Biphase level code, e.g. split phase code, manchester code and biphase space or mark code, e.g. double frequency code (H03M5/12)

odulation for encoded light transmission // 2575005
FIELD: electricity.SUBSTANCE: invention relates to the lighting control system, in particular containing multiple light sources based on use of the visible light (VL) and infrared (IR) communication for the light sources selection and improved control. The technical result is achieved in that sequences of the channel symbols for the light source control are determined from the sequences of the source symbols such, that there is no visible flicker effect in the encoded light emitted by the light sources. Each source symbol is converted in composite channel symbol containing at least one first channel symbol, that can be identical to the current source symbol, and at least one second channel symbol, that can be function of the current source symbol, and at least one next and/or previous source symbol.EFFECT: assurance of the light coding, ie encoded information inclusion in the light output of the light source, that does not result in visible flicker effect.18 cl, 21 dwg

ethod of detecting data to be transmitted in visible light using sensor of standard camera // 2557802
FIELD: electricity.SUBSTANCE: invention is referred to the sphere of lighting systems and optical receivers, and more specifically to the detection of data introduced into a light flux (output) of lighting systems. The invention suggests a system for the method detecting the first repeated sequence out of N symbols included into the first code, at that the first code is introduced into the light flux of the first light source of the lighting system, wherein the sequence contains at least N frames, and each frame out of at least N different frames is received with the total time of exposure containing one or more instants of the exposure, at that in each frame out of N different frames one or more instants of the exposure are in different time positions in regard to the first repeated sequence out of N symbols. The system contains a chamber to receive sequences of scene images through certain structures of an open/close state of the gate and a processing module to process the received sequence of images and to detect the repeated sequence out of N symbols.EFFECT: development of the system for detecting data introduced into the light flux with high-frequency invisible modulation using standard commercial cameras in mobile telephones or web-cameras.15 cl, 12 dwg

ethod of converting phase-shift keyed code to binary code // 2522978
FIELD: physics.SUBSTANCE: method includes steps of, in each cycle in the region of possible information drop, generating a time interval during which information recording is allowed in either a first pulse counter upon the onset of information drop and change thereof from a positive polarity to a negative polarity, or in a second counter if information drop changes from a negative polarity to a positive polarity, analysing the counter state at the end of the time interval and, if a logic one is recorded in the first counter and a logic zero is recorded in the second counter, generating a binary signal of positive polarity; if a logic zero is recorded in the first counter and a logic one is recorded in the second counter, generating a binary signal of negative polarity; if more than one information drop is recorded in any of the counters or there is no information drop, an information bit error signal is generated.EFFECT: increased reliability.10 dwg, 1 tbl

Channel code demodulation method and device // 2521299
FIELD: radio engineering, communication.SUBSTANCE: group of inventions relates to computer engineering and communication and can be used in local area networks and external storage devices. The device comprises a clocking unit, a clock pulse generating unit, an error detection unit and a channel code conversion unit.EFFECT: high reliability of reception.8 cl, 7 dwg

ethod of signal demodulation in manchester code // 2394368
FIELD: radio engineering.SUBSTANCE: method of signal demodulation in Manchester code consists in the fact that information signal is integrated, and four pulse sequences are formed. During the generation of pulses of the third and fourth sequences, there formed are levels of output binary signal, and then pulses providing integrator setting to zero are shaped.EFFECT: excluding interferences in signal at the integrator output at the beginning of the next information interval and interferences inside the device if there is no information signal.5 cl, 2 dwg

Binary-to-phase-keyed code converter // 2297096
FIELD: computer engineering; digital data transfer systems.SUBSTANCE: proposed binary-to-phase-keyed code converter that has NOR gate 15 and OR gates 11, 12 is also provided with newly introduced R-S flip-flop 1, counter 6, NAND gates 7-9, NOR gate 10, majority gate 13, and inverter 16.EFFECT: reduced data transfer time, simplified circuit arrangement of code converter.1 cl, 2 dwg

Device for two-level coded signal reception and synchronization // 2290755
FIELD: computer engineering; reception of differential two-level coded signal of sequential self-synchronizing code with conversion to two-digit digital signal and further noise-resistant execution of full synchronization function for this signal using input continuous timing pulse sequence.SUBSTANCE: device consists of detector-transducer (6), inputs (19,20) of first and second components of differential two-level coded signal, triggers (1-5), NAND elements (7,8), AND (21-24), OR (15-17), negative OR (11-13), XOR elements (9-10), asynchronous delay component (14), clocked delay components (27), clock input (18), and four outputs.EFFECT: increased noise immunity due to noise-resistant forming of output synchronized signal and outputs clock signals of bit synchronization, pause start and pause with obstructing filtration, synchronization of two-digit digital signal of two-level code 1B2B, as noise, with duration of signal changes not exceeding the threshold duration P*Tic for P≥2, where P - threshold number, Tic - duration of clock pulse period.1 dwg

Phase-keyed-code-to-binary-code converter // 2285334
FIELD: computer engineering; digital data transfer systems.SUBSTANCE: proposed converter has pulse generator, T flip-flop, D flip-flops, RS flip-flop, EXCLUSIVE OR gate, NAND gate, AND gate, counters, OR gates, input and output data buses, and output clock pulse bus.EFFECT: reduced data transfer time, simplified code conversion circuit arrangement.1 cl, 2 dwg

Code transformer // 2282306
FIELD: computer engineering, possible use in systems for transferring digital information.SUBSTANCE: code transformer contains counting trigger 1, transformation resolution bus 2, clock impulse bus 3, input 4 and output 5 informational buses, shift register 6, power bus 7, two AND-NOT elements 8, 9, OR element 10, element OR-NOT 11, inverter 12, majority element 13 and bus of output clock impulses 14, R-input of counting trigger 1 is connected to transformation resolution bus 2 and to second and first inputs of elements OR-NOT 11 and OR 10, respectively. Output of element OR-NOT 11 is connected to output informational bus 5, while second input is connected to direct output of counting trigger 1, clock input of which is connected to first input of element OR 10, to first input and output of majority element 13 and to bus of output clock impulses 14. Second input of majority element 13 is connected to clock impulse bus 3 and to C-input of shift register 6, D-input of which is connected to power bus 7, while R-input is connected to output of OR element. Outputs of first and third bytes of shift register 6 are connected to first input of first element OR-NOT 8 and to input of inverter 12, respectively. Second input of first element OR-NOT 8 is connected to informational bus 4, and output - to first input of second element OR-NOT 9, second input of which is connected to output of inverter 12. output of second element OR-NOT 9 is connected to third input of majority element 13.EFFECT: decreased time need for transferring information, simplification of circuit.1 dwg

Code transformer // 2282305
FIELD: computer engineering, possible use in systems for transferring digital information.SUBSTANCE: code transformer contains block for generation of code, code transformation block, communication line, code restoration block, code receipt block. Outputs of code generation block are connected to appropriate inputs of code transformation block, outputs of which through communication line are connected to appropriate inputs of code restoration block, outputs of which are connected to appropriate inputs of receipt block.EFFECT: increased resistance to interference.4 dwg

Code converter // 2274949
FIELD: computer engineering.SUBSTANCE: proposed device has D flip-flop, first and second counters, delay circuit, and inverter.EFFECT: enlarged functional capabilities.1 cl, 1 dwg

Code transformer // 2262191
FIELD: computer science.SUBSTANCE: device realizes transformation of input self-synchronization pulse series, not requiring additional forming of sign of start of information packet due to conversion of code with necessary change of level at the beginning of each bit interval, while logical zero with lesser length and one with greater length of bit range during this range take on high or low signal level. Code converter has device for forming pulses by front and cut 1, information input 2 and output 3, decimal divider-counter 4, counter 5, clock input 6 and output 7.EFFECT: broader functional capabilities.1 dwg

Code converter // 2260907
FIELD: computer engineering; digital data transfer systems.SUBSTANCE: proposed device designed to convert input self-synchronizing pulse train code into binary code with word gating signal has NOR gate, two counters, and R-input complementing flip-flop whose second-bit output is used as converter gating output.EFFECT: enlarged functional capabilities.1 cl, 2 dwg

Code converter // 2259010
FIELD: computer science.SUBSTANCE: device has RS triggers 1-3,8, XOR element 4, OR-NOT element 9, inverter 10, front and cut pulse generator 11, counters 12,13, front pulse generator 14, AND element 15, OR element 16, information 5 and clock 17 inputs, information 6, clock 7 and strobe 18 outputs.EFFECT: broader functional capabilities, higher efficiency.2 dwg

Code converter // 2259009
FIELD: computer science.SUBSTANCE: device has RS trigger 1, clock input 2 and output 3, register 4, counter 5, pulse generator 6, OR element 7, information inputs group 8, starting set input 9, launch input 10.EFFECT: broader functional capabilities, higher efficiency.1 dwg

Converter of bi-pulse code to binary code // 2258305
FIELD: computer science.SUBSTANCE: device has information input 1, connected to input of pulse generator 2 and information input of D-trigger 3, clock input of which is connected to trigger 4 output, and output - to information output 5 of device, counter 6 and delay element 7. as trigger 4 RS-trigger is used, and as pulse generator 2 - pulse generator by front, output of which is connected to R-inputs of RS-trigger 4 and counter 6, clock input of which is connected to clock input 8 of device, and output of second digit - to S-input of RS-trigger 4, output of which is connected to input of delay element 7, output of which is connected to clock output 9 of device.EFFECT: broader functional capabilities.1 dwg

Code converter // 2258304
FIELD: computer science.SUBSTANCE: device has T-triggers 1,3,9,10, register 5, XOR element 6, OR-Not element 7, counter 8, front pulse generator 11, RS trigger 12, clock input 2, a group of information inputs 13, launch inputs 14, information output 4.EFFECT: broader functional capabilities.2 dwg

Code transformer // 2253944
FIELD: computer science.SUBSTANCE: device has multiplexer, RS-trigger, control block, made in cut-clocked m-bit counter and decoder.EFFECT: broader functional capabilities.2 cl, 10 dwg

Binary-to-width-keyed code converter // 2250562
FIELD: computer engineering.SUBSTANCE: proposed device that can be used for digital information transfer systems has two flip-flops made in the form of complementary flip-flops, NAND gate, register, two OR gates, counter, and RS flip-flop.EFFECT: enlarged functional capabilities.1 cl, 10 dwg

Code transformer // 2249911
FIELD: medical engineering.SUBSTANCE: device has pulse shaper manufactured on RS-trigger frontally switched into unit state, and counter clocked with pulse edge, D-trigger and counter.EFFECT: wide range of functional applications.2 cl, 9 dwg

Device and method for calculation of soft solution values, sent to input of channel decoder in data transfer system // 2248678
FIELD: communications.SUBSTANCE: demodulation device for 64-based quadrature amplitude modulation for receipt of input signal, which contains k-numbered quadrature signal and k-numbered common-mode signal, which contains first and second soft solution generators, which are made with possible generation of soft solution values on basis of given equations.EFFECT: higher efficiency.3 cl, 6 dwg

A method of coding digital signals // 2215369
The invention relates to communication technology, in particular to the field of encoding digital signals, and can be used in systems transmitting signals for various purposes

The pickup device discrete information // 2206957
The invention relates to communication technology and can be used in the development of equipment for the transmission of digital information, represented dupinterval BI, FM and FM channel codes

Converter photomanipulating code in binary code // 2163418
The invention relates to computer technology and can be used in systems for the transmission of digital information

Combined universal way of correcting single errors in the transmission of information iimpulse code manchester ii // 2163400
The invention relates to the field of processing, storage and transmission of digital data with the possibility of detecting and correcting errors

Converter binary code in code photomanipulating // 2159988
The invention relates to computer technology and can be used in control systems

Decoder // 2088044
The invention relates to communication technology and can be used in data transmission systems and other digital information

The data transmission method // 2087072
The invention relates to computer technology and can be used in digital communication systems, for example, in local area networks

ethod of encoding and decoding information // 2059339
The invention relates to computer technology, in particular, to techniques for encoding and decoding information

Device for transmitting and receiving binary signals // 2001520
The invention relates to a device for signal transmission on the communication line (modem) and can be used in devices for transmission of digital signals, in particular for encoding the relative pulse signal
 
2551063.
Up!