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Class Information
Number: 375/354
Name: Pulse or digital communications > Synchronizers
Description: Subject matter for synchronizing the operation of the receiving and transmitting mechanisms.


Sub-classes under this class:

Class Number Class Name Patents
375/358 Feedback, receiver to transmitter 246
375/362 Frequency or phase control using synchronizing signal 549
375/356 Network synchronizing more than two stations 710
375/371 Phase displacement, slip or jitter correction 1,399
375/359 Self-synchronizing signal (self-clocking codes, etc.) 307
375/357 Synchronization failure prevention 376
375/355 Synchronizing the sampling time of digital data 1,028


Patents under this class:
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Patent Number Title Of Patent Date Issued
6219393 Semiconductor integrated circuit device Apr. 17, 2001
6208695 Method for reception of multicarrier signals and related apparatus Mar. 27, 2001
6208701 Synchronizing apparatus Mar. 27, 2001
6208702 High frequency clock signal distribution utilizing CMOS negative impedance terminations Mar. 27, 2001
6205191 Method and apparatus for synchronizing a control signal Mar. 20, 2001
6205192 Clock input control circuit Mar. 20, 2001
6205193 Systems and methods for fast terminal synchronization in a wireless communication system Mar. 20, 2001
6201845 Data processing apparatus adapted for data transfer between circuit units operating with different clock cycles Mar. 13, 2001
6198700 Method and apparatus for retiming test signals Mar. 6, 2001
6195328 Block adjustment of synchronizing signal for phase-coded signal tracking Feb. 27, 2001
6185247 Method of reducing synchronization rearrangements in synchronous transmission systems Feb. 6, 2001
6178186 Fractional decimator with linear interpolation and method thereof Jan. 23, 2001
6175603 System for managing signals in different clock domains and a programmable digital filter Jan. 16, 2001
6175605 Edge triggered delay line, a multiple adjustable delay line circuit, and an application of same Jan. 16, 2001
6172993 Frame synchronization method and apparatus for use in digital communication system utilizing OFDM method Jan. 9, 2001
6173004 Frequency hopping communication device Jan. 9, 2001
6173023 Synchronization equipment Jan. 9, 2001
6169492 Remote keyless entry user-transparent auto re-synchronization apparatus and method Jan. 2, 2001
6169772 Stretching setup and hold times in synchronous designs Jan. 2, 2001
6167101 Apparatus and method for correcting a phase of a synchronizing signal Dec. 26, 2000
6163550 State dependent synchronization circuit which synchronizes leading and trailing edges of asynchronous input pulses Dec. 19, 2000
6163582 Differentiator, rectifier, mixer, and low-pass filter circuit Dec. 19, 2000
6163583 Dynamic clocking apparatus and system for reducing power dissipation Dec. 19, 2000
6163584 Synchronization element for converting an asynchronous pulse signal into a synchronous pulse signal Dec. 19, 2000
6154498 Computer system with a semi-differential bus signaling scheme Nov. 28, 2000
6154508 Method and system for rapidly achieving synchronization between digital communications systems Nov. 28, 2000
6148049 Method for synchronization of a clock signal, which can be generated in a data receiving station, with a clock signal which is used in a data transmission station Nov. 14, 2000
6137847 Demodulating digital video broadcast signals Oct. 24, 2000
6137848 Method and system for joint timing recovery and channel estimation for DMT modems Oct. 24, 2000
6137849 System and method for communicating data over a high-speed bus Oct. 24, 2000
6137850 Digital bit synchronizer for low transition densities Oct. 24, 2000
6134280 Delayed decision feedback sequence estimator for determining optimal estimation region with small calculation quantity Oct. 17, 2000
6134283 Method and system for synchronizing time-division-duplexed transceivers Oct. 17, 2000
6134284 Circuit and method for receiving system clock signals Oct. 17, 2000
6128308 Apparatus and method for determining a presence of a stored data frame in a random access memory independent of read and write clock domains Oct. 3, 2000
6128356 CMOS circuit composed of CMOS circuit blocks arranged in bit-parallel data paths Oct. 3, 2000
6128357 Data receiver having variable rate symbol timing recovery with non-synchronized sampling Oct. 3, 2000
6125138 Base station transmitter-receiver Sep. 26, 2000
6122327 Radio receiver Sep. 19, 2000
6115437 Synchronizing circuit Sep. 5, 2000
6111924 Error-correction-code synchronization in a videoconferencing gateway Aug. 29, 2000
6111925 Clock synchronized delay scheme using edge-triggered delay lines and latches with one clock lock time Aug. 29, 2000
6104749 Message frame and flow control in a digital subscriber line telecommunications system Aug. 15, 2000
6104767 Method and apparatus for estimating a frequency offset Aug. 15, 2000
6101229 Data synchronization method and circuit using a timeout counter Aug. 8, 2000
6097735 Signal processing apparatus capable of processing received signals of different bit rates Aug. 1, 2000
6097775 Method and apparatus for synchronously transferring signals between clock domains Aug. 1, 2000
6094460 Data modulator and data modulating method Jul. 25, 2000
6092130 Method and apparatus for data padding input data and input significance information which are not synchronized Jul. 18, 2000
6088327 Method and circuit arrangement for improving carrier separation for the transmission of OFDM signals Jul. 11, 2000

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