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7633414 Circuit and method for Manchester decoding with automatic leading phase discovery and data stream correction  
A method and circuit are shown for decoding a Manchester encoded data input signal, wherein preamble found, data input, and recovered clock signals are received and a phase of the data input signal...
7590087 Methods for wireless data transmission between a base station and one or more transponders  
A method and device for wireless data transmission between a base station and one or more transponders, in which electromagnetic carrier waves are emitted by the base station and symbols are...
7564936 Process and electronic decoding circuit for a diphase asynchronous frame whose length is not known in advance, corresponding application, computer programme and storage means  
A decoding process, by an electronic circuit of a diphase asynchronous frame carried by an encoded data signal and comprising L information bits followed by at least one stop bit. The process...
7541949 Receiving device and tire pressure monitoring system  
A receiving device is provided. A pulse width is measured, it is selected whether a determination process is performed for a pulse width having the length of one bit in accordance with the measured...
7526023 Programmable cross-talk cancellation in programmable logic device  
Circuitry is provided in a programmable logic device incorporating clock-data recovery circuitry on I/O channels to allow the use of otherwise unused noise-reduction circuits in the I/O channels,...
7489746 MIMO receiver using maximum likelihood detector in combination with QR decomposition  
A MIMO receiver is provided with a preprocessor for performing QR decomposition of a channel matrix H wherein the factored reduced matrix R is used in place of H and Q*y is used in place of the...
7450666 Ask demodulation device and wireless device using the same  
A delay section delays a detected signal by less than one bit time in the NRZ data. A subtraction section performs subtraction between a delayed signal and the detected signal, and outputs a...
7415072 Drive control for an electric drive with a secure electrical separation of power element and control element  
The invention relates to a drive control for an electric drive with a secure electrical separation of power element and control element. The aim of the invention is to reduce the number of...
7382845 Distribution of synchronization in an ethernet local area network environment  
Systems and methods are described for distribution of synchronization in a packet switched local area network environment. A method for extracting network synchronization timing from a data...
7376208 Reception method for packetized information with automatic repeat request  
A decoding method is carried out in a receiver configured to accept format information relating to sequences of input data, to use format information in the decoding of each input sequence, and to...
7359471 Data communication method and data communication device and semiconductor device  
The present invention provides a data communication method and a data communication device capable of performing high-speed data communication by using a parallel link and higher-speed data...
7359472 Method and apparatus for wireless data transmission  
A method and apparatus for wireless data transmission between a base station and one or more, in particular, passive and/or backscatter-based transponders, in which the base station modulates a...
7356077 Method and apparatus for testing network integrity  
Apparatuses and methods for testing the integrity of high speed optical fiber transmission networks are presented. Data from an optical network, for example, NRZ formatted data at forty gigabits...
7352771 Data collision detection device and method  
A data collision detection device that includes a means for de-modulating at least one carrier signal corresponding to a received modulated subcarrier signal from at least one data transmitter to...
7319722 Circuit for the decoding of biphase signals  
A decoding circuit and associated method are provided for decoding a biphase signal. The decoding circuit may include a precharging register to precharge a pair of states of the biphase signal,...
7289589 Maximum likelihood bit synchronizer and data detector  
A bit synchronizer ( 16 ) that includes a tapped delay line ( 38 ) connected to a plurality of timing hypothesis circuits. A control and adjudication circuit ( 50 ) is connected to the timing...
7260164 Efficient filtering of RxLOS signal in SerDes applications  
An efficient filter circuit and method for filtering a loss of receiver signal prevents false signals caused by glitches. The short glitches that happen at the positive edge of the clock signal may...
7215713 Method to minimize compatibility error in hierarchical modulation  
The present invention involves a method and system for transmitting two levels of data in a hierarchical transmission schema. A first modulated signal is generated based on first input. A second...
7206146 Biphase magnetic pattern detector using multiple matched filters for hard disk drive  
A hard disk drive (HDD) holds data using a biphase scheme. A plurality of matched filters are used to detect binary data represented by the biphase pattern without the need for synchronous sampling...
7151811 Electric circuit for decoding a two-phase asynchronous data signal and corresponding decoding method, device for controlling equipment  
This invention relates to an electronic circuit for decoding an asynchronous two-phase data signal. According to the invention, such an electronic circuit comprises means for generating a decoding...
7133482 Decoding method and Manchester decoder  
A method and a corresponding decoder for decoding a Manchester encoded binary data signal includes receiving the Manchester encoded binary data signal having a first sequence of central bit...
7050518 Data transmission method  
The invention relates to a method for the asynchronous serial data transmission between a transmitter and a receiver over a radio transmission link, whereby a synchronization data frame and a...
7042926 Low complexity multiuser detector  
A multi-user detector for use in a CDMA receiver system includes a channel tap interpolator to generate interpolated channel taps for users of interest. The interpolated channel taps occur at...
7042173 Controllable lighting system with a second communication protocol and appliances for this purpose  
The invention relates to an electronic ballast and to a controller which drives this ballast, in which two communication protocols are provided for the digital drive.
H002155 Downconvert and average identification of biphase coded signal carrier  
An improved apparatus and method for determining the carrier frequency in a biphase coded signal such as the course acquisition code signal in a global position sensing system. The described system...
6987824 Method and system for clock/data recovery for self-clocked high speed interconnects  
A method and system is provided for clock/data recovery for self-clocked high speed interconnects. A data signal is received and then equalized. The equalized data signal then provides the trigger...
6977966 Bidirectional optical communications having quick data recovery without first establishing timing and phase lock  
A method of transmitting and rapidly recovering a burst of data without first having to establish a timing or phase lock. The signals are transmitted as modified Manchester coded signals having...
6968002 Method and apparatus for time aligning data modulators using frequency domain analysis of detected output  
Method and apparatus for time aligning first and second signals. The second signal is modulated by the first signal to provide a third signal. Frequency components of the third signal are then...
6901127 Method and apparatus for data recovery  
A method and apparatus for recovering data by a digital audio interface, where the data may be transmitted over a single transmission path in accordance with the AES3-1992 standard, begins by...
6891475 Low-power passive transponder  
The invention concerns a radio-frequency transponder ( 12 ) for contact-free identification with a reader ( 10 ), comprising: an antenna ( 24 ), an analog circuit ( 25 ) including a capacitor ( 32...
6885716 Encoding and decoding system  
A decoder that receives a Manchester encoded signal including a start of frame sequence followed by coded data values followed by an end of frame sequence. The decoder also includes a detector that...
6799030 Method and apparatus for low power operation of an RF wireless modem  
The present invention provides for a method and apparatus for extending battery life in a radio frequency (“RF”) wireless modem by automatically commanding the RF modem into a low power,...
6782300 Circuits and methods for extracting a clock from a biphase encoded bit stream and systems using the same  
A method of extracting a clock from a biphase encoded bit stream includes the step of detecting a stream of samples each having a sample size measured between consecutive bit phase transitions. A...
6768433 Method and system for decoding biphase-mark encoded data  
A method and system for decoding a biphase-mark input stream is disclosed. Aspects of the present invention include receiving an external biphase-mark input stream by a receiver module; recovering...
6757341 Digital audio interface signal demodulating device  
In a digital audio interface signal demodulating apparatus (DDAp) that adds a preamble (PA) and additional information (V, U, C, P) to a digital audio signal (Sda) and demodulates into a digital...
6687286 Programmable transmitter circuit for coupling to an ethernet or fast ethernet  
A single, 10/100 twisted-pair driver for Ethernet and Fast Ethernet applications designed in a 0.25 μm, 3.3V, digital CMOS process is described. The combined driver sources either 10 Mbaud...
6628212 State-driven over-sampling manchester decoder  
A method and apparatus for a state-driven decoder for decoding a Manchester encoded signal. The decoder comprises an input sampling stage, an over-sampling clock, and a digital logic state machine....
6597752 Method for detecting a dotting sequence for manchester encoded data in a deep fading environment  
A method for a cellular telephone receiver to detect the presence of a dotting sequence for a Manchester encoded cellular signal in a deep fading environment, wherein the presence of a single edge...
6587291 Asynchronously sampling wide bi-phase codes  
Sampling data with wide bi-phase code symbols includes sampling a wide bi-phase code symbol in the data a number (N) of times to produce samples of data, selecting a subset of the samples,...
6567487 Method for the sampling of biphase coded digital signals  
The invention relates to a method for the sampling of biphase coded digital signals by reception means which have at least one signal input having switchable signal edge sensitivity or at least two...
6487263 Decoding of a biphase modulated bitstream and relative self-synchronizing frequency divider with noninteger ratio  
A digital circuit generates a phase synchronization signal for a digital input signal coded according to a biphase modulation. The phase synchronization signal is derived from a clock signal having...
6487264 RF modem apparatus  
An RF modem used with a host device for transmitting information to, and receiving information from, other host devices. Prior to a transmission, the information is Manchester encoded and...
6452990 Synchronous detection of wide bi-phase coded servo information for disk drive  
A magnetic disk drive data storage disk defines recording tracks divided into data sectors by narrow servo spokes. A data sector lying between servo spokes is recorded with user data encoded in...
6449315 Serial line synchronization method and apparatus  
Apparatus, and an accompanying method, for transmitting a frame synchronization signal and a data signal simultaneously through a serial transmission medium ( 170 ). Specifically within a data...
6388717 Digital television transmitting system having data and clock recovering circuit  
A digital television transmitting system is presented having a recovery circuit for recovering non-return to zero (NRZ) data pulses and transport clock pulses from a biphase-mark serial data pulse...
6298103 Flexible clock and data recovery module for a DWDM optical communication system with multiple clock rates  
A Clock timing and Data Recovery (CDR) circuit for reconstructing a clock signal from a high speed data signal that contains no clock signal, such as data in a Non-Return-to-Zero format, and is...
6263035 System and method for adjusting a phase angle of a recovered data clock signal from a received data signal  
A system for adjusting a phase angle of a recovered data clock signal from a received data signal includes a plurality of counters and a phase state machine. Each counter within the plurality of...
6256359 RDS signal detection device  
Received signals are digitized by a comparator, and sampled by regenerated clock signals synchronized to a carrier. Biphase symbol data are demodulated based on the sampling data. A biphase decoder...
6249558 Method for transmitting digital data impulses  
Before digital data impulses are transmitted from a transmitter to a receiver that includes a data acquisition signal generator, at least one synchronizing impulse (syn1, . . . ) is transmitted for...
6233293 Current-controlled carrier tracking filter for improved spurious signal suppression  
Spurious energy suppression for a data communication system is achieved without using a large order noise suppression filter, by means of a post-mixer tracking filter that contains a...
Matches 1 - 50 out of 138 1 2 3 >