Antenna for receiving and amplifying signals. RU patent 2513844.
 Detector for detecting objects with nonlinear elements / 2513712Invention relates to search devices and is designed for detecting objects based on reception of signals resulting from secondary re-radiation with change in the spectrum of the probing signal. The detector has first and second generators which emit probing signals at close frequencies f1 and f2, and a receiver with a receiving antenna which receives signals in a frequency range close to the frequencies f1 and f2. To eliminate nonlinear combination-type interference and interference associated with blocking effects, probing signal antennae further include ferrite valves. Between the receiver and the second probing signal generator, there is a compensator for the second probing signal at the input of the receiver, consisting of two directional couplers, a variable attenuator and a variable phase-changer. A decision on detection of an object with nonlinear elements is made if a combination-type component at frequency 2f1-f2 or 2f2-f1 is detected at the input of the receiver. In another mode, the decision is made if the receiver detects a signal at frequency f1, which is modulated with frequency F, wherein the probing signal at frequency f2 is modulated with frequency F. |
 Composite glonass/ gps+gsm-900/1800 system / 2509396Composite GLONASS/GPS+GSM - 900/1800 system, having a GLONASS/GPS system antenna with an amplifier, a passive antenna designed to receive and transmit data in GSM networks and two feeders, characterised by that it further includes a metal base covered by a radiotransparent cap; wherein said passive antenna is vertically mounted on the base, said passive antenna being a dielectric plate, on the top edge of one the surfaces of which are deposited two current-conducting rectangles which are oriented with their long sides parallel to the metal base, on the lower edge of the two current-conducting rectangles, oriented with their short sides parallel to the metal base, between the two rectangles, situated on the lower edge, there is a third current-conducting rectangle with a rounded vertex. An inverted L shaped element is attached to the vertex, wherein the GLONASS/GPS system antenna with the amplifier is mounted on the metal base in a plane perpendicular to the dielectric plate and symmetrical to its end part. |
 Antenna system for ultra-high speed mesh network base station / 2497244Antenna system for an ultra-high speed MESH network base station in the millimetre radio wavelength range, wherein the base station is fitted with a high-frequency transceiver in the millimetre range, from 60 to 100 GHz, connected to receiving and transmitting antenna fields through low-noise and high-power amplifiers, respectively, wherein switched supply circuits of the amplifiers are connected to a microprocessor control bus. |
 Antenna feed unit / 2497243Antenna feed unit (15) includes at least two elongated feed circuits (1, 2) placed next to each other. Each feed circuit is configured to transmit or receive electromagnetic radiation between itself and an antenna (34) along the longitudinal axis (3, 4) of the feed through a transmitting/receiving element (7). The feed circuits (1, 2) are held in a fixed arrangement relative each other by a first support and a second support (5, 6), spaced apart in the axial direction of the feed circuits. The transmitting/receiving elements (7, 8) continue from the first support (5) to the antenna, and the second support (6) is placed on the side of the first support (5) and at a certain distance from the antenna. The first support (5) has a smaller coefficient of thermal expansion in the transverse direction than the second support (6), which reduces translational movement of each transmitting/receiving element (7, 8) in the transverse direction, caused by change in temperature of the unit (15). |
 Antenna module / 2496119Antenna module consists of acoustic shields and hydroacoustic receivers, each having multiple cylindrical piezoceramic converters. The cylindrical converters form a continuous surface and completely cover the hydroacoustic shields in the direction of the normal to their surface. Converters included in a hydroacoustic receiver are strictly connected in series. |
 Conformal active phased antenna array / 2488924Conformal active phased antenna array has elementary weakly directional radiators, transceiving units and a primary feed, and is characterised by that the elementary radiators with transceiving units are mounted in the aircraft chassis in form of a conformal array which is merged with the primary feed into a single structure. |
 Device representing electric radio signal transmitter and/or receiver / 2488923Radiofrequency device controlling the means for feeding of at least one electric load and containing a radiofrequency unit representing a radiofrequency signal transmitter and/or receiver and connected to the feeding AC mains via the first wire. The radiofrequency unit contains a radiofrequency output and/or input, connected to the first terminal of the circuit via a HF connection; the radiofrequency device settings; the setting circuit is connected, via the second terminal, to the second wire and, via the third terminal,-to the electric ground (GND) of the radiofrequency unit and is equipped with a means for locking conductivity of radiofrequency signals via the first wire between the second terminal and the third terminal and alternating current (I-ACT) passing between the second terminal and the third terminal, flowing within the first wire and feeding the said electric load. |
| Low-profile six-loop short-circuited slit antenna for microwave frequency range / 2483402 Microwave frequency antenna, having a cosecant-shaped beam pattern in the vertical plane, has a flat metal base. At the centre of the base there is a device socket for a radio-frequency connector, wherein the centre conductor of the back part of the connector is an elementary radiator tuned to the medium frequency of the operating range. The centre conductor is connected to an additional current-conducting flat circular screen lying over the base of the antenna. The screen is connected to the base of the antenna by symmetrically lying six metal short-circuitors. |
 Mobile antenna unit / 2482578Mobile antenna unit has a body-container which can be mounted on a vehicle, said body-container having instrument and assembly compartments; an elevating platform, on which is mounted a rotary support with an antenna and a drive system for changing its position in space, which is provided with a rotary drive, is pivotally mounted with possibility of turning in the vertical plane; the rotary support is configured to move beyond the assembly unit when the elevating platform turns in the vertical plane and has an intermediate platform which can be pivotally mounted on said elevating platform with possibility of assuming a horizontal position; a rotating platform, on which a rocking part with a mirror antenna is mounted with possibility of turning in the vertical plane, is mounted on the intermediate platform with possibility of turning in the horizontal plane. |
 Microwave input of antenna type / 2479896Device may be used to send a microwave signal to isolated electrodes under high voltage. The microwave input is made in the form of two antennas of coaxial type, with a rupture of the coaxial line along the external and the internal strand. A contact comprises two symmetrical parts of a half-wave coaxial throughput closely-coupled resonator cut along the symmetry plane perpendicular to the longitudinal axis, and between them, symmetrically relative to the resonator axis, there is a flat isolating dielectric disc installed. With the selected geometry a standing wave of TEM type is excited in the resonator. With account of the dielectric disc a half of wave length is laid on the resonator length. In accordance with the structure of the TEM-type standing wave field, in the plane of symmetry - location of the dielectric disc - a maximum of radial electric field is generated, as well as a minimum of an angular component of a magnetic field, and accordingly, a minimum of longitudinal microwave currents along the inner and outer strand of the coaxial line. |
 Plasma transceiver antenna / 2255394Radiating component of plasma antenna is plasma formation produced by plasma generator and disposed in one of plasma generator electrodes. Mentioned electrode is made in the form of waveguide section. Antenna is provided with its mode-of-operation control device that has decoupling units of which one is connected to cathode and other, to igniter electrode; it also has selector switch coupled via information line with decoupling unit. Information signal source is connected to selector switch and power supply is connected through decoupling unit to plasma generator electrodes. |
 Antenna for mobile radiophone / 2322734Proposed mobile radiophone antenna incorporating dipole and counterpoise, both disposed on one side of insulating strip and connected to feeder, each of them having first and second flat conductors, is provided in addition with third conductor made in the form of flat spiral and connected on one end to first conductor of dipole and expanded on loose end, as well as minimum two flat single-turn inductance coils disposed in parallel with one another either side of third dipole conductor and connected to first and second dipole conductors. Counterpoise also has at least two single-turn inductance coils disposed in parallel with one another and connected to first and second counterpoise conductors. Second conductors of dipole and counterpoise are disposed in central part of insulating strip and connected to feeder. It will be good practice to dispose third conductor of dipole within mobile radiophone case near sound-conducting means and counterpoise, between wiring board and radiophone storage battery in parallel with them. |
 Transition device from missile nose cone ceramic jacket to missile case / 2337435Transition device from missile nose cone ceramic jacket to missile case contains an adapter, connected to the jacket with an elastic compound, made from material, which is similar to the jacket material in linear expansion temperature coefficient in the given temperature range, annular fastening ledge. The device is additionally equipped with a course, made from viscoelastic material and located in the void, constituted by jacket surfaces, adjacent to the course, surface of adapter, support element and external delimiter of course movement. At that, support element and external delimiter of course movement are either made as a whole, or fixed to each other. Besides, they are a constituent part of adapter in the shape of ring with a bore in front butt end or in both butt ends. Supplementary course from viscoelastic material can be installed between rear butt end of the support element and the adapter. |
 Improved logging antennae based on nuclear magnetic resonance / 2337436Improvement is achieved by adding extra coils to a part of antenna, either surrounding ferrite material or lying on the surface of at least partially dielectric material. Additional coils or half-coils combined with radio frequency field of parallel antenna parts create radio frequency field component proportionally higher than radio frequency field component of unimproved coil parts. Additionally, total radio frequency field can be shaped in form of geological environment sample depending on improvement coil positioning. E.g., thus total radio frequency field can be obtained for orthogonal alignment against static magnetic field across major area of sample. |
 Hybrid optical-type antenna with dilated angles of areal scanning / 2352033Double guidance of beam is used in hybrid optical-type antenna (HOA): electronic and mechanical. Electronic scanning in the HOA is carried out by switching method with amplitude and phase change. Periodic travel of field of electronic scanning is reached by means of mechanical scanning. |
 Stripline antenna / 2355077Present invention can be used in drones. The stripline antenna has a plate made from dielectric material, on one side of which there are parallel strips of current conducting material. At the centre of the dielectric plate there is an opening. The stipline antenna also has a flat plate, metallised on one side, and a printed circuit board, rigidly joined to the non-metallised side of the flat plate. The dielectric plate is arch-shaped such that, the parallel strips of current conducting material lie on its outer surface, and its ends are rigidly joined to diametrally lying ends of the printed circuit board. Each strip of current conducting material is electrically connected to the electrical circuit on the printed circuit board. |
 Double-layer solid radiotransparent plate / 2363770Invention concerns radiotechnology, particularly materials radiotransparent in ultra high frequency band, and can be applied in protection of radiolocator receivers against exposure. Double-layer solid radiotransparent plate includes internal layer of glass-fiber plastic and external layer of highly durable dielectric. The plate used corundum ceramics reinforced with atoms of transition 3d - elements, particularly chrome, titanium, iron, as external dielectric. Reinforced corundum ceramics can be exposed to a beam of ultra high frequency radiation with frequency above transparency limit to generate inverted population of energy levels in corundum layer. |
 Clutch for attachment of intaking hydroacoustic systems at their calibration / 2365937Invention concerns hydroacoustics area, in particular, to measurement of parametres of transceiving aerials of hydroacoustic systems of vertical sondage. The clutch contains calibrated hydroacoustic aerial (1), exemplary hydroacoustic target (2), hydroacoustic radiator (3), gauge (4), three tightening pads (6) allocated on rotary device (5) forming a 120° angle and interfaced among themselves by means of bolts (14) and inserts (8, 9). Pinholes in the inserts are executed in such a manner that the pinholes are based in inserts (8) allocated from edge of pads (6), and are carving in inserts (9) allocated in an average part of pads (6). Each tightening pad (6) contains arrow (10) from a profile and auxiliary L-bar (11) jointed, with rotation possibility about the axis with above-mentioned inserts (8, 9) on which the marking lines combined with the lines on measured block (7) of plate (12) are available, which has moving and installation possibility on arrow (6). Based L-bar (13) is fixed on a plate. Each based L-bar is mounted with possibility of the limited turn on hinges (15) which axes of rotary device (5) are parallel. There are directing ledges (16) in interface places on tightening pads (6) in the bottom part. |
 Hydroacoustic antenna / 2376611Invention relates to a hydroacoustic antenna with an arbitrary shape. The antenna has hydroacoustic receivers, in the immediate vicinity of which compact sealed signal preprocessing units are mounted on the frame of the antenna outside the housing of the support. The output of each hydroacoustic receiver is connected to the free input of the nearest signal preprocessing unit, which amplifies, filters, carries out analogue-to-digital conversion, noiseless coding and digital compression of signals from the hydroacoustic receivers. Such an arrangement provides for minimum length of analogue lines, and enables uniform distribution of signal preprocessing units on a shape-generating frame. |
 Scanning hybrid antenna / 2392703Invention relates to a hybrid mirror scanning antenna for multi-mode space synthetic aperture radar and is designed for scanning a given zone. An active phased array antenna-radiator has an aperture with a flat centre perpendicular to the focal axis of a parabolic reflector and edges whose planes are inclined relative the focal axis. That way, in order to radiate the same power, the invention requires fewer transceiving modules (TM) and their design is simplified owing to fewer requirements for the amount of control of the power of the transceiving modules. Reduction of the number of transceiving modules leads to reduction of the weight of the hybrid mirror scanning antenna. The invention can be used in multi-mode space polirimetric synthetic aperture radar antennae (SRA). |
FIELD: radio engineering, communication.
SUBSTANCE: invention relates to antenna engineering, particularly to design of microstrip antenna devices, and can be used in satellite navigation systems, particularly GPS-GLONASS, in communication and information transmission systems and as an antenna array element. The antenna consists of a disc radiator, an annular halver, a low-noise amplifier, an antenna housing and a protective dome/cap, wherein the antenna housing is common for the disc radiator, the annular halver and the low-noise amplifier, with a compartment for the low-noise amplifier, wherein in the compartment for the low-noise amplifier on the inner side of the cover of the housing, there is an absorber for attenuating waveguide modes in the compartment for the low-noise amplifier, and the top part of the housing has a depression in which a spring-loaded silver-plated spacer is placed on the entire periphery of the top part of the housing, which provides reliable electrical contact on the entire periphery of the annular halver.
EFFECT: reception and amplification of signals with maximum antenna sensitivity.
3 cl, 2 dwg
The invention relates to the antenna technology and, in particular, to the design of microstrip antenna devices. Antenna for receiving and amplifying signals can be used as satellite navigation systems, in particular GPS - GLONASS and in communication systems, information transfer, and also as an element of antenna array.
As the prototype has been chosen useful model "Microstrip foster active antenna" (patent # 34806 of the Russian Federation). The essence of the utility model consists in using two points for connection of the disk radiator. For this part of microstrip foster active antenna entered the ring divisor of two, which connects the disk radiator in two points with a phase shift of 90 degrees. Connection points of the disk radiator determined to ensure prokrustovo polarization and optimal coordination in a wide band of frequencies. The broad pattern microstrip foster active antenna, low noise figure and high gain low noise amplifier allows to carry out the reception of signals from satellites in the hemisphere, particularly navigation, and reliable operation of any receiver - solvers, in particular for systems GPS - GLONASS.
The lack of the above utility model consists in the appearance of guided-wave types, which has a negative effect on the functioning of the low-noise amplifier antenna.
The technical result of the claimed invention is the provision of reception and amplification of signals with the highest sensitivity antenna.
To achieve these technical results in antenna for receiving and amplifying signals, consisting of the disk radiator, ring divisor of two, low-noise amplifier, housing antenna and protective fairing-cap, body antenna made one for the disk radiator, ring divisor of two low-noise amplifier, with a compartment for low-noise amplifier, to ensure receive and amplify signals with the highest sensitivity aerials, in the Bay of low-noise amplifier on the inner side of the cover is placed absorber, to weaken waveguide types of waves in the Bay of low-noise amplifier, and the upper part of the body is deepening in which you installed the spring silver plated strip around the perimeter of the upper part of the body, which provides a reliable electrical contact around the perimeter of the ring divisor of two.
The hallmark of the prototype is that the antenna the antenna housing to complete for the disk radiator, ring divisor of two and low-noise amplifier, with a compartment for low-noise amplifier in the Bay of low-noise amplifier on the inside of the lid is fixed absorber, and the upper part of the body is deepening in which you installed the spring silver plated strip around the perimeter of the upper part of the body.
Figure 1 shows the appearance of the antenna.
Figure 2 shows the sections of the antenna.
Antenna for receiving and amplifying signals, consists of the disk radiator 1, ring-divisor of two 2, low-noise amplifier 3, case 4, protective fairing-cap 9.
Case 4 antenna is made of aluminum alloy and is out of the Bay 5 for low-noise amplifier 3, covers 6 corps, the clamping ring 7, and case 4 is made of aluminum alloy, locking seal 8, made in the form of rubber rings, absorber 10.
The top cover 4 antenna is made in the form of the drive on which you install the o-ring divider 2 and disk emitter 1. Diameter of a disk larger than the diameter of the disk radiator 1 on technological value mounting a protective fairing-cap 9. The plate of the disk radiator 1 and ring the divisor of two 2 made of foil reinforced PTFE fat. The disk radiator 1 powered in two points through the ring-divider 2 for two, while ensuring that the work of the disk radiator 1 in a wide frequency band with circular polarization. To the bottom plate ring divisor of two 2 soldered plug RF connector 14, which connects to the socket 15, located within the recessed area in the top of the case antenna 4.
Protective fairing-cap 9 made of PTFE, tight to fixing the seal 8 and serves to protect from extreme temperatures from -50 degrees to +200 OC, to rain, fog, dust, solar radiation. Clamping ring 7, locking seal 8 and the top cover 4 have six equal holes 11, which are joined by means of fastening elements, in the form of hollow rivets, combining the details of the antenna.
The lower part of the housing 4 has a rectangular Bay 5, designed for the installation of low-noise amplifier 3 (see figure 2). Low noise amplifier 3 made on microstrip substrate material polikor on the thin-film hybrid technology and is a four stage transistor amplifier with low noise figure. The first stage of low-noise amplifier is made on field-effect transistor, which provides a specified noise factor and the required level of protection from induced power neighbouring sources of power signals. Between the first and second stages included microstrip filter, providing together with the radiator 1 and ring divider two 2 need the selectivity. Second, third and fourth cascades of low-noise amplifier 3 made bipolar transistors and provide the necessary boost. The gain low noise amplifier 3 sufficient to offset the excess losses for a long cable. The power of low-noise amplifier 3 (+5 Volts) is served by a coaxial cable from the remote receiver. On the same cable is transmitted signal from the output of low-noise amplifier 3 remote receiver. The substrate of low-noise amplifier 3 lies closely to pin 17 sockets 15, and they are connected by a jumper setting. Thus, because of the minimal length of the entire high-frequency tract loses signal, and increases the sensitivity of the antenna. On the compartment 5 for low-noise amplifier 3 from the external side there connector 12 to transmit a signal to a remote receiver-transmitter and receiver 13 to fill the body with an inert gas and sealing.
In the Bay 5 for low-noise amplifier 3 on the inside of the housing cover 6 4 secured absorber plate 10, made of material ferroportin, with the purpose of absorption of electromagnetic energy waveguide types of waves in the Bay 5 for low-noise amplifier 3. Cover 6 corps is also a cover 4 Bay 5 for low-noise amplifier 3.
Bay 5 for low-noise amplifier 3 sealed soldering, which cover 6 compartment 5 vpaivaetsja on the perimeter of the hull 4 and filled with argon pressure of 0,2 atmosphere through a tube 13. RF sealed connectors, i.e. plug RF connector 14 and socket 15 also sealed soldering.
Along the perimeter of the upper housing 4 in deepening enshrined spring strip 16, ensure uniform electric contact around the perimeter, and to ensure the efficiency and durability of the antenna spring strip 16 coated with silver. In cross section the spring strip 16 has a l-shaped form.
The essence of the invention lies in the fact that the antenna receives signals from satellites in the hemisphere. The received signals with disk radiator 1 goes on the ring divisor of two 2, then through coaxial transition arrive in low noise amplifier 3, where the amplification of these signals, and the absorber 10 provides the absorption of electromagnetic energy waveguide types of waves in the Bay 5 for low-noise amplifier 3. Output low-noise amplifier 3 through connector 12 adopted and reinforced signals by cable to the remote receiver and the remote receiver transmits power to the low-noise amplifier 3 antenna +5 watts.
Thus, thanks to the technical solutions antenna for receiving and amplifying signals reliably provides reception of signals from satellites in the hemisphere.
1. Antenna for receiving and amplifying signals, consisting of the disk radiator, ring divisor of two, low-noise amplifier, enclosures, protective fairing-cap, characterized in that case the antenna is made as a single for the disk radiator, ring divisor of two low-noise amplifier, with a compartment for low-noise amplifier.
2. Antenna for receiving and amplifying signals according to claim 1, characterized in that compartment for low-noise amplifier on the inner side of the cover is placed absorber, to weaken waveguide types of waves in the Bay of low-noise amplifier.
3. Antenna for receiving and amplifying signals according to claim 1, wherein the upper part of the body is deepening in which you installed the spring silver plated strip around the perimeter of the upper part of the body, creating a uniform electric contact around the perimeter of the ring divisor of two.