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Optical device for forming holographic images Disclosed is a device for forming and observing dynamic and static three-dimensional holographic images. The device has a laser radiation source, a light guide and holographic optical elements lying on the surface of the light guide. The device further includes a spatial light modulator configured to form a digital hologram, and a device which combines a digital circuit for electronic control of the spatial light modulator and an interface unit. Elements of the device are arranged along the optical axis of the device on the direction from the radiation source to the holographic optical element at the output of the device such that the spatial light modulator is located on the light guide after the holographic optical element, which is configured to input radiation into the light guide, and before the holographic optical element configured to output radiation from the light guide. |
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Method of producing polymerised toner Present invention relates to a method of producing polymerised toner and more specifically to a method of producing polymerised toner wherein suspension polymerisation is carried out using calcium phosphate as an aqueous dispersion stabiliser and using a polymeric pigment stabiliser, having molecular weight in a given range. The present invention relates to a method of producing polymerised toner which includes steps of: preparing an aqueous dispersion medium containing calcium phosphate; preparing a mixture of monomers which includes a styrene-based pigment stabiliser, having weight-average molecular weight from 2000 to 200000, a charge regulator, a pigment and a resin binder monomer; dispersing the mixture of monomers in form droplets in the aqueous dispersion medium and performing suspension polymerisation of the mixture of monomers dispersed in form of droplets, and calcium phosphate is used in amount of 2-6 pts.wt per 100 pts.wt mixture of monomers. Also disclosed is polymerised toner produced using said method. |
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Toner is claimed, comprising toner particles each of which comprises binding resin, the colorant and wax, at that the binding resin contains resin (a), having complex polyester links in an amount of 50% or more by weight, and at that when the amount of endothermic heat of toner is subjected to analysis using a differential scanning calorimeter, (1) the temperature of the endothermic peak (Tp) derived from the binding resin is 50°C or higher to 80°C or below; (2) the total amount of the endothermic heat (ΔH) derived from the binding resin is from 30 J/g or more to 125 J/g or less, based on the weight of the binding resin; (3) when the amount of the endothermic heat derived from the binding resin from the temperature of initiation of the endothermic process to Tp, is presented as ΔHTp [J/g], ΔH and ΔHTp comply with the formula (1) below; and (4) when the amount of endothermic heat derived from the binding resin from the temperature of initiation of the endothermic process to the temperature is 3.0°C lower than Tp, is presented as ΔHTp-3 [J/g], ΔH and ΔHTp-3 comply with the formula (2) below 0.30≤ΔHTp/ΔH≤0.50 (1) 0.00≤ΔHTp-3/ΔH≤0.20 (2). |
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Polymerised toner and method for production thereof Present invention relates to polymerised toner and a method for production thereof. The polymerised toner contains toner particles which contain 20-90 wt % resin binder, as well as 1-20 wt % pigment, 0.1-20 wt % pigment stabiliser, 0.1-20 wt % charge regulating substance and 2-30 wt % wax. The resin binder contains a copolymer of (a) a styrene monomer and (b) one or more monomers selected from a group consisting of an acrylate monomer, a methacrylate monomer and a diene monomer, and/or a polymer of one or more compounds selected from a group consisting of a styrene monomer, acrylate monomer, methacrylate monomer, diene monomer, acidic olefin monomer and a basic olefin monomer. The pigment stabiliser contains a styrene-butadiene-styrene block copolymer, having weight-average molecular weight of 2000-200000. |
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Image capturing device including bayonet coupling section in lens barrel and accessory Invention relates to an image capturing device and an accessory which can be mounted on the image capturing device, and more specifically to an image capturing device having a first bayonet coupling section, designed for mounting the accessory, around the a lens barrel. The image capturing device comprises a first bayonet coupling section which is formed around a lens barrel; a first member configured to have a second bayonet coupling section formed thereon, said second bayonet coupling section being capable of being engaged with said first bayonet coupling section; a rotational operation member configured to rotate with respect to said first member, by being rotationally operated by a user; a second member configured to rotate synchronously with said rotational operation member when the user rotates said rotational operation member; a detection unit configured to detect rotation of said second member; a first lock member configured to restrict rotation of said first member with respect to said first bayonet coupling section when said first bayonet coupling section and said second bayonet coupling section are engaged with each other; and a second lock member configured to restrict rotation of said rotational operation member and said second member with respect to said first member in accordance with an operation for releasing rotation restriction of said first member. |
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Fast-acting x-ray-sensitive pad for digital mammography Application: for diagnostics of pathologies and malfunctions of mammary glands in women. Essence of an invention consists in the fact, that a device based on a multi-element X-ray-sensitive detector is connected to a matrix of polysilicon photodetectors. As an X-ray luminophore for the first time claimed is alumo-halo-oxide of lutetium and other rare-earth elements, activated by cerium with stochiometric formula (∑Ln)3(Al2-xGax)[AlO3,9(Br+1N-3)α]3 and a crystalline structure of mineral garnet. An X-ray sensitive element consists of a two-phase layer based on a polymer from radiation-stable polymethylmethacrylate with a light-reflecting X-ray transparent coating and a perforated plate based on a metal alloy kovar. |
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Cartridge for toner with locking mechanism Invention relates to a cartridge for toner with a locking mechanism. The claimed invention relates to a cartridge for toner with a locking mechanism which comprises a housing having an upper lid and intended for placement of the developer in it, at that the mechanism for locking and disengagement, intended for fixing the cartridge with toner in the image forming unit is mounted on the housing; the locking mechanism comprises a handle attached on the hinge to the upper lid, a tooth chisel fixedly connected to the handle, a locking lever which can perform the reciprocating motion, and a torsion spring serving for automatic return of the handle to its initial position; a tooth rack coming into engagement with the tooth chisel is mounted on the locking lever. In addition, the handle is brought into position approximate to the upper lid under the action of the torque force of the torsion spring, providing a locking state, at that the tooth chisel is in engagement with the tooth rack and pushes the locking lever out of the upper lid so as it can fix the cartridge for toner; and when the handle moves into position for disengagement by overcoming the torque force of the torsion spring due to the external force action, the tooth chisel and the tooth rack are driven in such a way that they retract the locking lever into the upper lid and release the cartridge for toner. Disengagement and fixation can be carried out only due to the pulling force of the human hand and return to its initial position by the torsion spring. |
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Polymer washout solvent and use thereof for treating flexographic printing plate Invention relates to a polymer washout solvent and use thereof in treating a flexographic printing plate. The solvent contains 10-25 wt % hydrocarbon ester component, 50-75 wt % hydrocarbon ether component and 10-25 wt % hydrocarbon alcohol component. The solvent is used to treat a flexographic printing plate at the washing step. The solvent is less hazardous than existing solvents. |
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Antireflection optical device and method of making standard mould Device has a base and a plurality of convex and concave structural elements arranged on the surface of the base with spacing which is equal to or less than the wavelength of visible light. The structural elements form a plurality of tracks and form a structure of a quadrangular or quasi-quadrangular array. In one version, each structural element has the shape of an elliptical or truncated elliptical cone, the long axis of which is parallel to the track. In another version, the ratio ((2r/P1)×100) of the diameter 2r to the spacing P1 is 127% or higher, where P1 is the spacing between structural elements on the same track, and 2r is the diameter of the lower surface of the structural element in the direction of the track. The method is carried out by forming a resist layer on the peripheral surface of a columnar or cylindrical standard mould, forming latent images via interrupted irradiation of the resist layer with a laser beam while rotating the standard mould with relative displacement of the laser beam spot parallel to its central axis, forming a resist structure via development thereof and forming structural elements by etching using the resist structure as a mask. |
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Cartridge mounted with the ability to remove in the main housing of the image forming device, comprising a casing for placement the developer in it, at that the casing has a first sidewall and a second sidewall. These two walls face each other, the passive unit for reflection a driving force from the operating output unit provided in the main housing. The passive unit is mounted on the first sidewall and is made with the ability of rotation about the first axial line extending in the direction opposite to that in which the first sidewall and the second sidewall face each other, and the detected body mounted on the first sidewall and having the detected part, which is detected by the detecting unit provided in the main housing. The detected body is protruded outwards in the opposite direction with respect to the first sidewall by the driving force reflected by the passive unit and retracts inwards in the opposite direction with respect to the first sidewall. |
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Rotation limitation element, mechanical device and image forming device Group of inventions relates to a rotation limitation element, a mechanical device and an image forming device. The proposed group of inventions includes the rotation limitation element, the mechanical device and the image forming device. The rotation limitation element comprises a hole for a shaft to be installed, which is made so that its shape matches the shaft shape, the shaft is inserted in the hole with the certain angle specified in advance, as well as a variety of rotation limitation parts each of which is set in different positions around the hole for the shaft installation and serves for the limitation of the shaft rotation due to the engagement with an external part; the shape of the hole for the shaft installation matches the shape of the shaft inserted in it at different rotation angles so that to allow any of the varieties of the rotation limitation parts to be engaged with the external part, the said rotation limitation element is fitted with a hole to provide for a certain resilience of a blocking plate to prevent the destruction of the blocking plate when a certain value of the rotation force is applied to the rotation shaft. |
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Disclosed is an image capturing device. The device comprises an image forming lens, an image sensor and a plurality of microlenses. The device also includes an image processing module configured to form a reconstruction image in a predefined refocusing plane by performing refocusing over image data that were output from the image sensor, and determining if a subject is present on the reconstruction image. The recording module in the device records image data that were output from the image sensor and records information about a subject whose presence was determined using the image processing module, as auxiliary information in conjunction with image data. |
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Present invention relates to a developer supply container for feeding developer into a developer receiving device. Examples of a developer receiving device include an image forming apparatus such as a copy machine, a fax machine or a printer, an image forming unit detachably mounted in such an image forming apparatus. The disclosed group of inventions includes developer supply containers detachably mounted in a developer receiving device, which include a drive member, said developer supply container having: a container housing, having an inner space configured to hold the developer, and an opening configured to allow the discharge of toner into said container housing; a feeder located in said container housing and configured to feed the developer towards said opening through its rotation relative to said container housing; a drive transmission device engaged with the drive member and configured and positioned to transmit the rotary force from the drive member to said feeder; an adjustment part configured and positioned to adjust the installation angular position of said container housing such that said drive transmission device engages with the drive member when said developer supply container is mounted in said developer receiving device; a load application device configured and positioned to apply a load to said drive transmission device to rotate said container housing from the installation angular position to a developer feeding angular position in which the developer is fed into the developer receiving apparatus through said opening through the rotary force received by said drive transmission device; and an unloading device configured and positioned substantially to release the load applied to said drive transmission device using said load application device when said container housing is in the developer feeding angular position; a screw part provided in said connecting part and tightened with said container housing to enable said container housing to rotate together with said connecting part of the container housing in the loose direction and become loose by rotating said container housing, while rotation of said feeder is prevented by said connecting part in the same direction as the loose direction, and also become loose by rotating said container housing; a locking device configured and positioned to lock with said drive transmission device to rotate said container housing from the installation angular position to the developer feeding angular position in which the developer is fed into the developer receiving device through said opening through the rotary force received by said drive transmission device; and an unlocking device configured and positioned to unlock said drive transmission device when said container housing is in the developer feeding angular position. |
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Developing cartridge and electrophotographic image forming apparatus Present invention relates to a developing cartridge consisting of an electrophotographic light-sensitive drum and a developing roller (which processes a photosensitive drum), particularly to a developing cartridge in which an electrophotographic light-sensitive drum and a developing roller can be brought into contact with each other and are separated from each other. Disclosed process cartridge comprises an electrophotographic light-sensitive drum, a developing roller capable of moving between a contacting position, where said developing roller is in contact with said electrophotographic light-sensitive drum for developing an electrostatic latent image formed by said electrophotographic light-sensitive drum, and a detached position where said developing roller is detached from said electrophotographic light-sensitive drum, a frame which supports said electrophotographic light-sensitive drum and said developing roller, a force-sensitive detached area, which is movable between a protruding position, where said force-sensitive detached area protrudes from said frame, and a drawn position where said force-sensitive detached area is drawn from the protruding position towards the inside of said frame, and which receives a first external force for moving said developing roller from the contacting position to the detached position in the protruding position, a force-sensitive protruding area which receives a second external force for moving said force-sensitive detached area from the drawn position to the protruding position, and an amplifier mechanism for creating distance over which said force-sensitive detached area moves from the detached position to the protruding position, which is greater than the distance over which said force-sensitive protruding area is moved by the second external force. |
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Part transmitting rotation force Present invention relates to a part, transmitting rotation force, for an electrophotographic process cartridge, image formation electrophotographic device into which the process cartridge can be installed and replaced, and a block of an electrophotographic photosensitive drum. The proposed connection elements (150) engaged with the electrophotographic photosensitive drum (107) and rotated around the axis (L2) of the connection element by the rotation force taken up from the engaging part (180+182) of a basic unit comprise a driving shaft (180) and a part (182) applying the rotation force, with the latter part being provided on the driving shaft to rotate the photosensitive drum; the photosensitive drum can be removed from the basic unit in the removal direction, in essence, perpendicular to the axial direction (L3) of the driving shaft. The connection element comprises: a connection end part (150b) intended for coupling with the photosensitive drum and including a part (150h) transmitting the rotation force for the rotation force transmission to the photosensitive drum; a free end part (150a) including (ii - i) a rotation force taking up part (150e) engaged with the rotation force applying part to take up the rotation force from the engaging part of the basic unit, (ii - ii) a deepened part (150z) for the engagement with the free part of the driving shaft, the deepened part is in connection on the side of the rotation force taking up part being on the side of the connection end part in relation to the direction of the connection element axis and being inside the rotation force taking up part in relation to the direction perpendicular to the connection element axis, and a connection part (150c) coupling the connection end part and the free end part with each other, at that the rotation force taking up part is placed outside the connection part if seen in the direction of the connection element axis, and when the photosensitive drum with which the connection element is engaged is removed from the basic unit in the removal direction, the connection element can be turned so that the side of the rotation force taking up part of the connection element axis is placed up to the side of the rotation force transmitting part of the connection element axis in relation to the removal direction; the connection element can be disengaged from the engaging part of the basic unit by the above turning movement. |
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Installation to measure angular field and to monitor step size of test-object mira lines Installation comprises a collimator with a test-object, a monitored item and a measuring unit. The test-object is made as a cross hair and rigidly fixed in the focal plane of the collimator. The monitored item is made as television or thermal imaging one, its radiation detector is set in the focal plane of the lens of the monitored item. A flat mirror able of rotating around the vertical axis is installed between the collimator and the monitored item. The collimator output via the flat mirror is connected to the monitored item lens. The measuring unit comprises a panel for synchronisation and formation of line illumination pulse and two margin pulses, a double-beam oscillograph and a video monitor. The monitored item output is connected to the input of the first channel in the double-beam oscillograph and to the input of the panel for synchronisation and formation of line illumination pulse and two margin pulses, while the first output of the latter is connected to the video monitor input. The second output of the said panel is connected to the input of the second channel in the double-beam oscillograph. |
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Electrophotographic image forming apparatus, developing apparatus and socket element Invention relates to a developing apparatus used in an electrophotographic image forming apparatus and a socket element used in the electrophotographic image forming apparatus. The developing apparatus used with an electrophotographic image forming apparatus and movable in a direction substantially perpendicular to the axial direction of the drive shaft comprises a socket element for transmitting a turning force to a development roller, capable of occupying an angular position for transmitting a turning force, an angular position before engagement, which is occupied before the socket element engages with a part for applying a turning force and in which the socket element is displaced from the angular position for transmitting a turning force, and an angular position for disengagement which is occupied so that the socket element disengages with the drive shaft and in which the socket element is displaced from the angular position for transmitting a turning force in a direction opposite the angular position before engagement; in response to movement of the developing apparatus, the socket element moves from the angular position before engagement to the angular position for transmitting a turning force in order to be positioned opposite the drive shaft, and when the movable element further moves in the same direction, the socket element disengages with the drive shaft by moving from the angular position for transmitting a turning force to the angular position for disengagement. |
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Process cartridge, which is detachably mounted in the main unit of an electrophotographic image forming apparatus, includes an electrophotographic photosensitive drum; a development roller for developing an electrostatic lateral image formed on said electrophotographic photosensitive drum; a drum housing which supports the electrophotographic photosensitive drum; a development housing which supports the development roller, where the roller moves relative to the drum housing between a contact position, where the development roller is in contact with the electrophotographic photosensitive drum, and a separated position where the development drum lies at a distance from the electrophotographic photosensitive drum; a force-receiving element which is movable relative to the development housing for receiving an external force, wherein the force-receiving element can take a working position for moving the development housing from the contact position to a drawn position while receiving the external force, and a waiting position drawn from the working position; a forcing part for forcing the force-receiving element to move from the waiting position to the working position; and an interacting part for interacting with the force-receiving element to keep the force-receiving element in the waiting position relative to the force of the forcing part. |
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Invention relates to electro-optical instrument-making and is designed to deposit a photolithographic pattern on the working surface of hat orifices of an optical-mechanical unit in a scanning device for generating code signal for controlling solar orientation of spacecraft. The method and device for realising said method include steps of depositing a chromium coating on a substrate, having a given radius of curvature R, made of optical glass by vacuum deposition, depositing a positive photoresist layer by a drip method on the working surface of a revolving substrate placed in a centrifuge, drying and heat treatment until full polymerisation of the photoresist layer and contact exposure of the image from a photographic mask by superposition and fixation thereof with the working surface of the obtained workpiece and subsequent illumination of the photoresist layer with a UV radiation source. |
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Process cartridge and electrophotographic image forming device Present invention relates to a process cartridge and an electrophotographic image forming device in which the process cartridge is used. The process cartridge is proposed, mounted with the ability to remove in the main assembly of the electrophotographic image forming device, and the device comprises a first side positioning part of the main assembly, the second side positioning part of the main assembly, a first side guide of the main assembly, a second side guide of the main assembly, a first regulating part of the main assembly, the second regulating part of the main assembly, the forcing element for forced displacement of the process cartridge to the side positioning part of the main assembly due to the driving force, and the said process cartridge comprises: an electrophotographic photosensitive drum; processing means acting on the said electrophotographic photosensitive drum; a first side guided cartridge part, guided by the first side guide of the main assembly when the said process cartridge enters the main assembly along an axial direction of the said electrophotographic photosensitive drum; the second side guided part of the cartridge guided by the second side guide of the main assembly when the said process cartridge moves in the main assembly along the axial direction of the said electrophotographic photosensitive drum when it is installed in the main assembly; the first regulated part of the cartridge, provided on the front side with respect to the movement direction, for adjusting by the first side regulating part of the main assembly in its movement upwards when the said process cartridge moving in the main assembly, directing through the first side guide of the main assembly and the second side guide of the main assembly, is forcedly moved upwards by the driving force of the said forcing element; a second regulated part of the cartridge, provided on the front flank towards the direction of movement, for regulating by the first side regulating part of the main assembly as it moves upwardly when the said process cartridge, moving in the main assembly; directing through the first side guide of the main assembly and the second side guide of the main assembly, is forcedly moved upwards by the driving force of the said forcing element; the first side positioned part of the cartridge, positioned on the first side positioning part of the main assembly by the said driving force of the said forcing element after the said first regulated part of the cartridge, moving in the main assembly, and at that regulated in movement upwards by the said first side regulating part of the main assembly, passes the first side regulating part of the main assembly; and a second side positioned part of the cartridge, positioned on the second side positioning part of the main assembly by the said driving force of the said forcing element after the said second regulated part of the cartridge, moving in the main assembly, and the regulated in moving upwards by the said side regulating part, passes the second side regulating part of the main assembly, and the said process cartridge is mounted to the main assembly with the said first side part of the cartridge, positioned on the first side positioning part of the main assembly by the driving force of the said forcing element, and the second side part of the cartridge, positioned on the second side positioning part of the main assembly by the driving force of the said forcing element. |
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Toner supply container comprises a cylindrical container made with the ability to hold the toner in it, an opening formed on the circumferential peripheral part of the cylindrical container with the ability to discharge the toner in the cylindrical container, the toner supply means provided in the cylindrical container and made with the ability to supply toner to the said opening by rotating the toner supply means relative to the cylindrical container, a stepped gear provided on the end surface of the cylindrical container, at that the stepped gear comprises: a part of the gear wheel of large diameter and a part of the gear wheel of small diameter, having a diameter smaller than the diameter of the part of the gear wheel of large diameter and a coaxial gear wheel mounted coaxially to the axis of the toner supply means on the end surface of the cylindrical container with the ability to come into engagement with the part of the stepped wheel of small diameter, at that the coaxial wheel has a diameter greater than the diameter of the part of the stepped gear of large diameter. |
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Process cartridge and image forming device Present invention relates to a process cartridge and an electrophotographic image forming device, which is also used. A process cartridge (7) mountable detachably to the main assembly of the electrophotographic image forming device, at that the main assembly comprises a first element (66) of drive transmission and a second main element (53) of drive transmission, comprises a drum unit (26), comprising an electrophotographic drum (1); a developing unit (4) comprising a developing roller (25) and movably connected to the drum unit, movable relative to the drum unit between the contact position and the spaced position; a connecting element (16) of the drum, provided on one axial end of the drum for engaging with the first element (66) of drive transmission, when the said process cartridge is mounted along the axial direction of the drum; a connecting element (20) of the shaft, provided on one axial end of the developing roller (25) with an inclination allowable between the axis of the second element (53) of drive transmission and the axis of the developing roller (25), at that the connecting element (20) of the shaft comprises a part (23) of engaging for engagement with the second element (53) of drive transmitting when the process cartridge is mounted; the part (23) of engaging is movable in the direction crossing the axial direction of the developing roller; and when the process cartridge enters the main assembly with the developing unit placed in the spaced position, the axis part (23) of engaging is inclined from the axis of the developing roller in the direction of crossing. |
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Image capturing device and control method thereof Invention relates to computer engineering and specifically an image capturing device. The image capturing device has an image capturing means, a photographic preparation means for adjusting the predetermined photographic setting of photographing using the image capturing means, a photographic processing means for improving photographing using the image capturing means based on the photographic setting, a detection processing means, a control means for controlling the photographic preparation means. The method realises control of said device. |
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Optical-electronic photodetector (versions) Photodetector includes an optical system having at least two objective lenses and a photosensitive device on its focal surface, said device being in form of groups of digital photosensitive matrices corresponding to the number of objective lenses. Matrices of each group are arranged in a row with intervals. In the first version, the intervals do not exceed the product of the number of effective pixels and the pixel size of one matrix on its axis of symmetry, directed along the row, multiplied by the number of groups minus one. Groups of matrices are arranged in parallel rows. Matrices of one group are offset relative to the matrices of another group along the direction of their row by a value which is not greater than the maximum interval between matrices in a row. In the second version, matrices of each group are arranged in a row with intervals along the axis on which like axes of symmetry of the matrices lie. Axes of rows of matrices of different groups are arranged in parallel planes, the projections of optical axes of the objective lenses on which form an angle in radians with each other, where said angle is not greater than the fraction from dividing the distance between neighbouring matrices in a row by the product of the number of objective lenses and the focal distance thereof. |
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Process cartridge and image forming device Present invention relates to a process cartridge and an electrophotographic image forming device in which it is used. The claimed group of inventions comprises an electrophotographic image forming device comprising a process cartridge. At that the process cartridge mounted with the ability to remove in the main assembly of the electrophotographic image forming device comprises a driving element (53) comprising (i) a photosensitive drum (1); (ii) a developing roller (25) made with the ability of a) developing an electrostatic latent image formed on the said photosensitive drum, and b) rotation about its axis; (iii) coupling element (20) provided on one axial end of the developing roller, and comprising: (iii-i) a driven part (21) provided on one axial end of the developing roller, and (iii-ii) an intermediate part (22) made with the ability of a) engagement with the driven part, and b) moving relative to the driven part in the direction (H) intersecting the axis of the developing roller while being engaged with the driven part; (iii-iii) a driving part (23) made with the ability of (a) perception of the driving force for rotating the developing roller, b) engaging the intermediate part, (c) displacement relative to the intermediate part in the direction (I) intersecting the axis of the developing roller, and which is different from the direction of displacement of the intermediate part, while remaining in engagement with the intermediate part, (iv) a holding part (11C, 18, 19, 11f) made with the ability to hold the axis of the driving part in a position inclined from the axis of the developing roller in the direction intersecting the axis of the developing roller for performing the engagement of the driving part with the driving element, when inserting the cartridge into the main assembly of the electrophotographic image forming device when the developing roller is in contact with the photosensitive drum. |
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Developing cartridge, process cartridge and electrophotographic image forming device Group of inventions relates to the field of printing equipment, and in particular, to a cartridge and an electrophotographic device. The process cartridge comprises a drum connecting element, the developing connecting element and a contacting element. At that the process cartridge comprises a photosensitive drum, a connecting part of the drum, provided near the axial end of the photosensitive drum, a developing roller made with the ability to rotate around its axis, a developing connecting part provided near one axial end of the said developing roller. At that the developing connecting part comprises a driving part, an intermediate part, a leading part. Also, the device comprises a retaining part, a pressing part, an abutting part configured and positioned to abut the retaining part. The retaining part comprises a contacting part configured and positioned so as the movement of the retaining part as a result of the movement of the process cartridge is regulated when the said leading part is not mounted in engagement with the developing connecting element. An electrophotographic device comprises a removable process and a developing cartridges interacting with the device assemblies by means of connecting and the contacting elements. |
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Process cartridge and image forming device Invention relates to a process cartridge and an electrophotographic image forming device, which is also used. The essence of the claimed invention consists in that the device comprises a photosensitive drum; a developing roller configured and located to develop the electrostatic latent image formed on the said photosensitive drum and with the ability to rotate about its axis; a connecting element (20) provided adjacent to one axial end of the said developing roller, the said connecting element comprises a part of receiving the driving force, configured and located for receiving the driving force for rotating the said developing roller and with the ability to move relative to the said developing roller in the direction intersecting the axis of the said developing roller; and a retaining part configured and located to retain with the ability of rotation of the said part of receiving the driving force. |
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Process cartridge and image forming device Invention relates to means for image formation. The process cartridge comprises a drum unit comprising an electrophotographic drum; a developing unit comprising a developing roller and movably connected to the drum unit, movable relative to the drum unit between the contact position and the spaced position; a drum connecting element provided on one axial end of the drum for engagement with the first drive transmission element when the said process cartridge is mounted along the axial direction of the drum; a shaft connecting element provided on one axial end of the developing roller with an inclination allowable between the axis of the second drive transmission element and the axis of the developing roller, at that the shaft connecting element comprises an engaging part for engagement with the second drive transmission element when the process cartridge is mounted; an engaging part is movable in a direction crossing the axial direction of the developing roller; and when the process cartridge enters the main assembly with the developing unit located in the spaced position, the axis of the engaging part is inclined from the axis of the developing roller in the direction of crossing. |
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Developing cartridge, process cartridge and electrophotographic image forming device Process cartridge (7) intended for entry into the main unit in the longitudinal direction (E) of the cartridge (7) for pressing in the direction (F), intersecting the longitudinal direction (E) for the purpose of positioning the cartridge (7), at that the cartridge (7) comprises a connecting element (48) of the shaft, placed on one axial end of the developing roller (25) for transmitting driving force from the main unit comprising an engagement part (48c), at that the distance (D) between the axis (48c5) of the engagement part (48c) and the axis (25y) of the developing roller (25) is less at the time when the cartridge (7) is positioned in the area of the main unit positioning (81-83) than the time when the engagement part (48c) is positioned by the holding part (27f). |
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Polyurethane composition and its application for obtaining holographic media Claimed invention relates to polyurethane composition for obtaining holographic media. Claimed composition includes: A) polyisocyanate component; B) isocyanate-reactionable component, which includes, at least, 50 wt % calculated per the total mixtute of B) polyetherpolyols B1) with number average molecular weights higher than 1000 g/mol, which have refraction index nD 20<1.55 and contain one or several oxyalkyl links of formulae (I)-(III): -CH2-CH2-O- (I), -CH2-CH(R)-O- (II), -CH2-CH2-CH2O- (III), with R being alkyl or aryl residue, which can be substituted or broken with heteroatoms; C) compounds, which have refraction index nD 20>1.55 and contain groups, under action of actinic radiation reacting with ethylene-unsaturated compounds with polymerisation (radiation-solidified groups), and do not contain NCO-groups themselves; D) radical stabilisers; E) photoinitiators; F) catalysts if necessary; G) auxiliary substances and additives if necessary. Also described are: method of obtaining media for recording visual holograms, medium for recording visual holograms, application of such medium and method of hologram recording. |
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Invention relates to generation of electron or photon pattern on substrate, application of fluoropolymer to this end, to method of pattern generation and to electron or photon device thus made. Proposed method comprises: formation of film of said electron or photon material on said substrate and application of said fluoropolymer for protection of said electron or photon material in pattern generation. |
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Sheet of volume hologram for embedding, paper for forgery prevention and map Invention relates to a sheet of volume hologram for embedding, as well as paper and map for forgery prevention, comprising such sheet. The sheet of volume hologram for embedding comprising: a layer of a volume hologram; and a substrate located on only one side surface of the volume hologram layer by using an adhesive agent. Resistance to delamination of the volume hologram layer and the substrate is 25 g.wt./25 mm or more. Paper for forgery prevention comprises the said sheet of volume hologram. The map is a volume hologram sheet located between two sheets. |
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Image forming apparatus is configured to switch target temperature of an image heating means from waiting mode target temperature in a waiting mode, where a clamping means and the image heating means are separated, to a first target temperature or second target temperature which is lower than the waiting mode temperature and the first target temperature. The image forming apparatus controls a contacting/separating means such that the time from inputting an image forming signal to when the clamping means in waiting mode comes into contact with the image heating means and forms a clamp is shorter when the target temperature of the image heating means is the second target temperature than when the target temperature of the image heating means is the first target temperature. |
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Photopolymer composition and use thereof to produce holographic media Present invention relates to a photopolymer composition for producing holographic media, which contains three-dimensionally cross-linked organic polymers (A) or precursors thereof as a matrix, and compounds (B), which contain groups which, when exposed to actinic radiation, react with unsaturated compounds with ethylene fragments to form polymers (radiation-curable groups), and which are dissolved in said matrix or are located therein in a distributed state, as well as a component (C) which is at least one photoinitiator, wherein density of the polymeric cross-linking of the organic polymer, expressed through average molecular weight MS of two segments connected by polymer bridges, is a value ranging from 2685 g/mol to 55000 g/mol. The invention also describes a medium which is suitable for recording visual holograms, use of said medium and a method for exposure thereof. |
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Claimed invention relates to polyurethane composition for manufacturing holographic media, which includes component of recording monomer a), which contains as recording monomers calculated per the entire composition of, at least, 10 wt % of one or several unsaturated urethanes a) from group of formula (I) and (III) compounds, as well as polymer compounds or respective matrix precursors, formed from isocyanate component b), reactionable with respect to isocyanates of component c), as well as from one or several photoinitiators d) as matrix for recording monomers, where R independently on each other in each case represents radiation-solidified group, and X independently on each other in each case represents single bond between groups R and C=O or linear, branched or cyclic, containing, if necessary, heteroatom, and/or, if necessary, functionally substituted hydrocarbon residue with from 2 to 40 carbon atoms. Also described is method of producing media for recording visual programmes, application of thus obtained media and method of hologram recording. |
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Method to manufacture microoptic raster Method to manufacture a microoptic raster in a plate from a porous optical material consists in serial formation of areas with varied optical properties by means of local laser exposure into the plane of area formation, combined with the plane of focusing of the laser beam. The plate from the porous optical material is preliminarily exposed to impregnation in a liquid, the dipole moment of molecule of which is arranged within the limits from 0.2 to 2.5 D, local laser exposure is carried out with density of capacity not exceeding 2.1·107 W/cm2, during the time of at least 300 seconds. Then the plate with the microoptic raster is exposed to thermal treatment in a furnace, besides, the plate is heated from room temperature to temperature not exceeding 250°C. At the temperature of 250°C the plate is maintained for at least 30 minutes, further heating is carried out to temperature of 860-880°C with soaking of at least 10-20 minutes, afterwards the plate is cooled to room temperature. |
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Polyurethane prepolymer-based compositions based for production of holographic media Claimed invention relates to polyurethane composition for production of holographic media. Composition contains: (A) polyisocyanate component, which contains at least one polyurethane prepolymer with terminal NCO-groups exclusively on base of oligomeric or polymeric dysfunctional compounds, reaction-able with respect to isocyanates, with average molecular weights from 200 to 10000 g/mole, in which NCO-groups are bound with primary residues, (B) polymers, reaction-able with respect to isocyanates, (C) compounds, which contain groups, which when exposed to actinic irradiation react with ethylene-unsaturated compounds with polymerisation (radiation - solidified groups), and themselves do not contain NCO-groups, (D) stabilisers of radicals and (E) photoinitiators, with compounds, applied in component C), having refractive index nD 20>1.55. Also described are: method of producing medium of recording of visual holograms, application of such medium and method of hologram recording. |
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Method of electronic device fabrication Invention relates to semiconductor technology. Proposed method comprises removal of photoresist from at least one surface of conducting layer with the help of the mix of chemical including first material of self-optimising monolayer and chemical to remove said photoresist. Thus self-optimising monolayer is deposited on at least one surface of said conducting ply. Semiconductor material is deposited on self-optimising monolayer applied on conducting layer without ozone cleaning of conducting layer. |
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Reinforced sealing of dosing blade assembly and printer cartridge with such sealing Present invention generally relates to an image forming device, and more particularly, to a reinforced sealing of the dosing blade assembly and a cartridge for printer comprising such sealing. The claimed group of inventions comprises the reinforced sealing of the dosing blade assembly, as well as the cartridge for printer, which uses the above mentioned sealing of the assembly. The reinforced sealing of the dosing blade assembly comprises a main strip of flexible polymer film having the thickness, a surface of the predetermined area limited by parallel edges, and a folding zone extending along the length of the main strip between one pair of parallel edges and located between the other pair of parallel edges at a distance from them. The sealing also comprises an additional strip of flexible polymer film. The additional strip is applied to the main strip with a shift along one side of the folding zone on the main strip, so that the main strip has laminar and nonlaminar parts located near it, extending along the opposite sides of the folding zone, at that thickness of the laminar part is greater than thickness of the nonlaminar part. The sealing has a connection means in the form of the adhesive layer on the nonlaminar part of the main strip. The sealing is used in the cartridge of the printer. |
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Method of obtaining a radiographic image of fast processes in an inhomogeneous test object involves radiography of regions of the test object with different optical thicknesses in corresponding different energy ranges, wherein the method involves spatial-time tomography of the test object, facilitated by at least three beams with independent spatial coordinates which converge at the centre of the location of the test object. |
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Multifunctional imaging device Invention relates to an imaging device which enables to obtain dental X-ray images. The device includes a matrix sensor with an array of photodiodes for obtaining an image and one detector photodiode. A control unit for controlling the sensor periodically reads the detector photodiode and causes the sensor to switch to one of two modes: standby mode and imaging mode. The detector photodiode is capable of outputting a periodic output signal to the control unit, particularly during exposure and when imaging with the photodiodes. The periodic output signal has a value which is representative for the instantaneous value of the obtained energy. The control unit uses that periodic output signal to analyse energy obtained during the imaging process. |
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Method of making unsteady projection screen based on micro particles and device to this end Device comprises airflow generator (AFG), combine laminar airflow generator (CAFG), micro particles generator (MPG) with its outlet connected with inlet of channel for transfer of micro particles (MPTC), increased pressure chamber (IPC), airflow attenuator (AFA) and airflow stabiliser (AFS). IPC is composed of closed vessel with one side abutting the inlet surface of CAFG that makes a perforated diaphragm (PD) Airflow is transferred into IPC from AFG via AFS. Inner volume of IPC communicates via AFA with MPG inlet MPTC extends along PD to central inlet surface of CAFG. PD is symmetric about the centre of MPTC. PD (6) outputs two identical uniform airflows symmetric about MPTC (4) to be passed through air channels of appropriate sides of CAFG (3) symmetric about its central part. |
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System of heat control for electronic display Invention relates to cooling systems, and, in particular, to cooling systems for electronic displays. In a cooling unit for an electronic image unit and a display unit that comprises it, in some versions of realisation they use ambient gas for cooling of power supply modules and/or the image unit (sometimes back lighting). In other versions they use a closed circuit of circulating gas, which passes along the front surface of the image unit and via a heat exchanger. The open circuit passes via the heat exchanger and extracts heat from the circulating gas. Atmospheric air may be used as ambient gas. For cooling of the rear section of the image unit or back lighting with the help of ambient gas they may use a non-obligatory additional channel. In some versions of realisation they also use heat-conducting plates and ribs to distribute heat and to exclude hot points in the display. |
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Method of making holographic images of drawing Disclosed is a method of making holographic images of a drawing. The method involves converting the image of the drawing into digital raster; recording information on amplitude and phase characterising each raster point as an extended or point radiator; calculating the parameters of the recording radiation beam, for which elements of the digital raster of the image of the drawing are converted to digital raster of the future hologram; calculating the diffraction pattern at each point of the future hologram formed from the whole set of radiators; calculating the interference pattern resulting from interaction of the design diffraction pattern with the design wave front from a virtual reference point or extended radiation source, identical to the inverted real wave front of the source which will be used when forming the holographic image of the drawing. The obtained result is used as a modulation signal for the radiation beam used to form the diffraction structure of the hologram on a carrier, and a hologram is formed. The carrier is scanned line-by-line with a radiation beam which is modulated on intensity, at its diameter and intensity distribution inside the recording spot. |
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Polyurethane composition and use thereof to produce holographic media Present invention relates to a polyurethane composition for producing holographic media. Said composition contains: A) a polyisocyanate component; B) an isocynate reactive component, which contains hydroxy functional multi-block copolymers B1) of the type Y(Xi-H)n with i=1-10 and n= 2-8 and number-average molecular weight greater than 1000 g/mol, wherein segments Xi are respectively built from alkylene oxide links of formula (I): -CH2-CH(R)-O- formula (I), wherein R is hydrogen, an alkyl or aryl residue, which can be substituted or interrupted with a heteroatom (e.g. ether oxygen), Y is the base of the starter unit and the fraction of segments Xi relative the total amount of segments Xi and Y is at least 50 wt %; C) compounds having a refraction index nD 20>1.55 and contain groups which react under the action of actinic radiation with ethylenically unsaturated compounds with polymerisation (radiation-cured groups) and do not contain NCO- groups themselves; D) radical stabilisers; E) photoinitiators; F) optionally catalysts; G) optionally auxiliary substances and additives. The invention also describes a method of producing media for recording visual holograms, media for recording visual holograms, use of such a medium and a method of recording holograms. |
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Device includes a laser source of coherent radiation, a unit for generating a signal beam, a corner deflector, a Fourier-transforming optical element, a reference beam generating unit, a mechanical positioning system, a device for electronic control of the laser source, deflectors and an amplitude-phase optical element and the mechanical positioning system. |
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Electrophotographic light-sensitive drum unit and method of removing connecting element Group of inventions includes units of an electrophotographic light-sensitive drum, comprising: a cylinder, having a light-sensitive layer on its external periphery; and a drum flange mounted at one end of said cylinder, wherein said drum flange includes a plurality of protrusions provided inside said drum flange and protruding radially inwards from the drum flange, with a gap diametrically between said protrusions, wherein each protrusion has a recess for light deformation of said protrusions, and a method of removing a connecting element, intended for removing a connecting element from the drum flange mounted on the electrophotographic light-sensitive drum to transfer a rotational force to the drum flange in order to rotate the electrophotographic light-sensitive drum, wherein the method includes a tilting step where the connecting element is tilted relative to the rotational axis of the drum flange. The connecting element includes a rear end part held in the drum flange, having a spherical part and a pin which passes through said spherical part, and a free end part having a rotational force receiving part; a step for forced displacement of the pin, where the pin is pushed from one end to the other, wherein said one end and the other end of the pin protrude out of the spherical part in a state in which the connecting element is tilted on said tilting step, wherein the drum flange has a preventing part for preventing disengagement of the spherical part with the drum flange, and an external part provided outside the preventing part in the direction of the rotational axis of the flange; a step for advancing the pin where part of the pin, further protrusion of which at the end is provided through said forced displacement step, is forced to advance on said external part; and a step for removing the connecting element, where the connecting element is removed from the drum flange by applying a force to the free end part of the connecting element in the direction towards the fulcrum and which is part of the advancement of the pin on the external part. |
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Optical system magnifies an image formed by an image modulator and projects said image on a screen. The optical system includes an optical lens system consisting of at least one lens with a positive optical power, having a single optical axis and which forms almost parallel beams coming from the image modulator, an aperture diaphragm situated near the back focal plane of the optical lens system, a catadioptric optical system consisting of a concave mirror and at least one lens, having a single optical axis and which forms an intermediate image in front of the concave mirror. The following relationships are satisfied: 0.1 ≤ | f 2 ' / f 1 ' | ≤ 1000, 4≤βM/βL≤25, Θ1>20°, where f 1 ' is the focal distance of the optical lens system; f 2 ' is the focal distance of the catadioptric system; βM is magnification of the concave mirror; βL is magnification of the system comprising all lenses; Θ1 is the smallest angle of incidence of the beam on the screen. |
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Device for photoresist coating by centrifuging Photoresist coating device has a protective housing with a cover, a substrate holder, nuts and a centrifuge shaft. The protective housing is mounted on the centrifuge shaft. The substrate holder is mounted on the centrifuge shaft and is fastened by nuts. The substrate holder has a base, a cover, stop pins and filling holes. On the inner surfaces of the base and the cover of the holder there are through grooves with a stepped side surface for fitting substrates. Stop pins are placed on the peripheral parts of the substrate holder. The cover of the holder has feed holes. |
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Present invention is an exposure device for exposing a photo-aligned film disposed on a substrate. The exposure device includes a light source and a photomask and exposes the photo-aligned film through the photomask, while scanning the light source or the substrate. When the direction in which the light source or substrate is scanned is selected as the scanning direction, and the direction which is orthogonal to the scanning direction is selected as the vertical direction, the photomask includes a first region and a second region which borders the first region in the vertical direction. The first region includes a plurality of first transparent parts inside a second light-protective part. The plurality of first transparent parts is arranged in the vertical direction. The second region includes a plurality of second transparent parts inside the second light-protective part. The plurality of second transparent parts is less than the plurality of first transparent parts. The plurality of second transparent parts is arranged in the vertical direction and is discretely dispersed in the scanning direction. |
Another patent 2513035.