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8447003 |
Clock synchronization method for use in communication system for transmitting at least one of video data and audio data
A source device counts a clock CLKpixel for pixel data using a transmitting counter, adds a counted value Csource(t) of the transmitting counter at a timing of transmitting a video packet Pvideo to...
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8433020 |
High-speed serial data transceiver and related methods
A high-speed serial data transceiver includes multiple receivers and transmitters for receiving and transmitting multiple analog, serial data signals at multi-gigabit-per-second data rates. Each...
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8340239 |
Decoder and method for adaptively generating a clock window
A decoder and related method adaptively generate a clock window. A falling edge of a horizontal synchronization signal is detected, and the time difference between an actual frame code and a...
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8218704 |
Demodulation method and demodulator of pulse-edge shifted pulse
A variable delay circuit delays a carrier signal having a predetermined frequency, and outputs a modulated signal. A delay setting unit sets a delay period for the variable delay circuit according...
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8213437 |
Method of transmitting modulated signals multiplexed by frequency division multiplexing and physical quantity detector using this method
A transmitting method has steps of modulating carrier waves having frequencies set at ½N−n (n≦N; n is a positive integer) of a reference frequency with transmission signals to produce modu...
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8199867 |
Interference suppression in bit-serial data streams
Described is an apparatus for suppressing spurious spectral lines in a frame based bit-serial data stream, in which frames include payload data and frame markers. The apparatus includes means (16)...
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8139696 |
Baud rate detection
A method is provided of characterising a data stream of binary symbols, the method comprising sampling the stream at a predetermined rate sufficient to capture at least two samples per binary...
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8111797 |
Enhanced system and method for detecting the leading edge of a waveform
The present invention is an improved system and method for detecting the leading edge of a waveform. More specifically, the invention relates to detecting the leading edge of an ultra wideband...
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8085104 |
Oscillation circuit, driving circuit thereof, and driving method thereof
An oscillation circuit, a driving circuit thereof, and a driving method thereof are provided. The driving circuit generates a second enable signal according to an output signal of an oscillator and...
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8027423 |
Synchronizing apparatus, synchronizing method, synchronizing program and data reproduction apparatus
A synchronizing apparatus, which controls, by a PLL circuit, a sampling clock to be used to sample input data and synchronizes a phase of the sampling clock with a target phase that is desirable...
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8023602 |
Serial data communication apparatus and methods of using a single line
Serial data communication methods and apparatus using a single line are provided. The data communication methods may include: setting a rising edge of a serial pulse signal so that a cycle of the...
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8014474 |
Method and RFID reader for detecting a delimiter pattern in a signal stream
A method for detecting a delimiter pattern (SOF) in a signal stream containing a carrier or subcarrier modulated by the delimiter pattern comprises: specifying an expected delimiter occurrence time...
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7912165 |
Digital receiver synchronization
A method is disclosed, including identifying a preamble in a frame, where the preamble has a preamble length 1. M data items received in succession are stored. The m data items once divided into n...
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7870318 |
Asynchronous serial communication method and asynchronous serial communication device
An asynchronous serial communication method and the apparatus including a sender transmitting a one bit of serial data by firstly making a signal transition on the data line, secondly putting the...
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7817763 |
Processing method for providing, starting from signals acquired by a set of sensors, an aggregate signal and data acquisition system using such method
Embodiment for forming an aggregate signal from a plurality of starting signals, comprising: acquiring said starting signals through respective sensors of a homogeneous sensors group;converting...
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7778372 |
Data delivery system and method, and receiver and transmitter
Provided is a data delivery system including a transmitter which transmits data stream via a network, and a receiver which receives the data stream and stores it into a reception buffer thereof,...
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7756234 |
Method of and system for controlling frame synchronization for European Digital Audio Broadcasting
Disclosed are a method of and a system for controlling frame synchronization for European Digital Audio Broadcast (DAB), the method including the steps of generating a frame synchronization...
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7733947 |
Data transceiving method and data transceiving equipment
A special data including communication wire continuous dominant levels of a number of N more than the transceiving bit number of n of communication wire continuous dominant levels, set in a...
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7649968 |
Timing system and method for a wireless transceiver system
A timing system is disclosed for use in a wireless communication system that includes wireless transceiver and a digital baseband processing system. The timing system includes a primary clock...
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7646831 |
Method and a device for controlling data extraction from a data stream containing at lease one data packet
The present invention relates to a method and a device for data extraction from a data stream containing at least one data packet. First, comparing a bit stream derived from a received digital data...
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7634034 |
Payload boundary detection during multiband receiver synchronization
Detecting a boundary within a transmitted packet is disclosed. A first symbol of the transmitted packet is received in a band. A second symbol of the transmitted packet is received in the band. The...
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7630730 |
Apparatus and method for time control of the processing of a radio signal in a mobile station
The apparatus contains a counter that is synchronized to the reference time in the mobile station. The counter counts sampled chips of the radio signal to produce a count. The apparatus further...
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7599005 |
Method for synchronizing video signals
A method for synchronizing video signals is provided wherein a synchronization state signal is generated which is descriptive for the synchronization of an output of fields/frames with the...
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7590184 |
Blind preamble detection for an orthogonal frequency division multiplexed sample stream
A method for determining a presence of a preamble for an orthogonal frequency division multiplexed (OFDM) complex valued sample stream may include capturing a portion of the OFDM complex valued...
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7576616 |
Phase controlling apparatus, frequency controlling apparatus, oscillating apparatus, phase controlling method, and frequency controlling method
A phase controlling apparatus is disclosed. The phase controlling apparatus controls phases of signals which are output from a plurality of signal sources corresponding to first phase information...
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7570659 |
Multi-lane receiver de-skewing
A technique for de-skewing a group of serial data signals respectively outputted from a group of data lanes includes simultaneously feeding a test signal to inputs of the group of data lanes and...
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7466723 |
Various methods and apparatuses for lane to lane deskewing
Various methods, apparatuses and systems are described in which a skew delay time between communication lanes is determined. A data transfer path is established which includes two or more...
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7298290 |
DSRC controller and a method therefor
In a DSRC communications controller equipped with a plurality of reception means for DSRC communications according to the invention, a reception reservation storage section 104 comprises means for...
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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 hypothesis...
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7197097 |
Apparatus and method for re-synchronization of transmitted serial signal of data frame and idle pattern
There is provided a data re-synchronization apparatus for suppressing occurrence of a jitter in a high-speed serial signal transmitted over a long distance to improve a reliability of...
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7197100 |
High-speed interconnection adapter having automated lane de-skew
An adapter that buffers received symbols and automatically determines and corrects for skew between lanes is disclosed. In one embodiment, the adapter is a part of a network that includes a first...
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7145960 |
Transmitter apparatus and communication system employing the same
A transmitter apparatus has a modulator for modulating a carrier wave to produce a modulated wave having communication data superimposed thereon and a transmitter for transmitting the modulated...
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7095353 |
Frequency to digital conversion
A technique of processing an input signal having an input signal phase is disclosed. The technique includes determining a number of transitions of the input signal within a period having a start...
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7092470 |
Data transfer method, block synchronizing signal detecting method, and reproducing apparatus
There is provided a method of detecting a block sync signal in which a sync signal and code sequence can be distinguished from each other to recognize the head of a block composed of a plurality of...
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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...
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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.
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7031396 |
Transmission and reception method with multiple remote controllers
A transmission and reception method permits simultaneous use of multiple remote controllers at the same frequency to a single receiver without mutual interference. A transmission period consists of...
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6944248 |
Data rate calibration for asynchronous serial communications
A method and apparatus for determining the appropriate timing interval for each bit or data symbol in serial data communications. A sending device transmits a predetermined bit sequence, such as a...
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6914952 |
Superframe alignment to a pre-existing ADSL data exchange
A digital subscriber line network allows a plurality of remote modems to communicate without interfering with the communication to the central office. Each symbol of a superframe is converted to a...
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6891881 |
Method of determining an end of a transmitted frame in a frame-based communications network
A method of determining an end of a transmitted frame at a receiver on a frame-based communications network. An end of frame format for the transmitted frame is provided having an end of frame...
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6771716 |
Method of communication with coherence checking and device for the implementation thereof
A method of communication between a master unit and a slave unit is of the type including the transmission of messages comprising a useful information word, as well as one or more service bits. The...
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6765972 |
Carrier synchronization type demodulator for PSK signal
A proximity IC card (PICC) which relates to and provides a carrier synchronization type demodulator, which is able to stably receive a PSK signal from a PICC and is enhanced in noise immunity, and...
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6728318 |
Error recovery of corrupted MPEG-4 bitstreams using fuzzy decoding of start codes and resync markers
A decoder for motion-picture-experts group (MPEG-4) video detects start codes at the beginning of video object planes (VOP) and resync markers at the start of each video packet (VP) in the VOP....
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6678321 |
Method and apparatus for transmitting and receiving a symbol over pots wiring using a multi-cycle waveform
A method of transmitting information over POTS wiring includes transmitting a first delimiter signal, in the form of a multi-cycle waveform having a frequency of approximately 7.5 MHz, over the...
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6618452 |
Burst carrier frequency synchronization and iterative frequency-domain frame synchronization for OFDM
Carrier frequency and frames are synchronized in bursty data transmissions over unknown channels that cause inter-symbol interference. The synchronization procedure comprises two stages. The first...
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6501810 |
Fast frame synchronization
A receiver for receiving synchronized digital transmissions organized in frames, each frame having a frame start, has a clock for generating pulses at time intervals with respect to a time...
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6396866 |
Symmetric chirp communications acquisition method and apparatus
A method of acquiring a communications signal is provided. The method includes the steps of storing a forward chirp sync segment (106) of an auto-correlating forward chirp sync (102) and storing a...
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6272194 |
Synchronous signal detecting circuit, method, and information storage medium
When a sync pattern in a frame of a bit stream is detected to synchronize a data processing apparatus with the bit stream, data patterns containing a pattern identical to the sync pattern are often...
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6249555 |
Low jitter digital extraction of data from serial bitstreams
A low jitter method for extracting clock or data from a serial digital bitstream generates from a digital decoder a window signal from the serial digital bitstream by sampling the serial digital...
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6157689 |
Automatic speed detection for asynchronous serial communications
The speed of asynchronous serial communications is detected by determining a duration of a data bit within an asynchronous data stream. The duration of the data bit is used to generate a clock...
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