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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
6738420 Digital filter having an upsampler operational at a fractional clock rate May. 18, 2004
6738444 Apparatus and method of generating clock signal May. 18, 2004
6728303 Timing discriminator with merge protection Apr. 27, 2004
6724846 Simple, high performance, bit-sliced mesochronous synchronizer for a source synchronous link Apr. 20, 2004
6724847 Feed-forward symbol synchronizer and methods of operation therefor Apr. 20, 2004
6721277 Generic register interface for accessing registers located in different clock domains Apr. 13, 2004
6721377 Method and circuit configuration for resynchronizing a clock signal Apr. 13, 2004
6717997 Apparatus and method for current demand distribution in electronic systems Apr. 6, 2004
6718476 Method of synchronizing each local clock to a master clock in a data bus system Apr. 6, 2004
6714610 Method of transmitting clock signals, method of synchronizing clock generators or network elements, as well as a network element and a clock generator Mar. 30, 2004
6711151 Apparatus and method using paging for synchronizing to a communication network without joining the network Mar. 23, 2004
6711220 Bit position synchronizer Mar. 23, 2004
6707866 Clock generator, clock generating method, and signal receiver Mar. 16, 2004
6707867 Wireless local area network apparatus Mar. 16, 2004
6707902 Method of resynchronizing data transfer between two modems connected by a dedicated line Mar. 16, 2004
6704373 Timing recovery circuit and method in automatic equalizer Mar. 9, 2004
6700903 Upstream scrambler seeding system and method in a passive optical network Mar. 2, 2004
6700942 Parallel automatic synchronization system (PASS) Mar. 2, 2004
6700943 Digital bit synchronizer for low transition densities Mar. 2, 2004
6697417 System and method of estimating earliest arrival of CDMA forward and reverse link signals Feb. 24, 2004
6697632 Multi-media coordinated delivery system and method Feb. 24, 2004
6690756 Synchronization method and receiver comprising multiplication means, transform and comparison means Feb. 10, 2004
6683927 Digital data reproducing apparatus and method, digital data transmitting apparatus and method, and storage media therefor Jan. 27, 2004
6680988 Non-linear extraction circuit and clock extraction circuit Jan. 20, 2004
6678342 Absolute-phasing synchronization capturing circuit Jan. 13, 2004
6674821 Method and apparatus for reducing power consumption Jan. 6, 2004
6668292 System and method for initiating a serial data transfer between two clock domains Dec. 23, 2003
6665359 Digital data separator Dec. 16, 2003
6665360 Data transmitter with sequential serialization Dec. 16, 2003
6661859 Synchronizer for a source synchronized clock bus with multiple agents Dec. 9, 2003
6661860 Multiple arbiter jitter estimation system and related techniques Dec. 9, 2003
6657551 Downhole telemetry system having discrete multi-tone modulation and dynamic bandwidth allocation Dec. 2, 2003
6658073 Method and system for reducing jitter on constant rate data transfer between asynchronous systems Dec. 2, 2003
6658075 Synchronization lock detector and method Dec. 2, 2003
6654356 Distributed control system architecture based on synchronized clocks Nov. 25, 2003
6654432 Joint maximum likelihood frame and timing estimation for a digital receiver Nov. 25, 2003
6650660 Apparatus and method for synchronization of multiple data paths and recovery from lost synchronization Nov. 18, 2003
6650714 Spatial processing and timing estimation using a training sequence in a radio communications system Nov. 18, 2003
6647063 Information encoding method and apparatus, information decoding method and apparatus and recording medium Nov. 11, 2003
6647079 Surface acoustic wave-based clock and data recovery circuit Nov. 11, 2003
6643340 Carrier phase derived symbol timing Nov. 4, 2003
6639956 Data resynchronization circuit Oct. 28, 2003
6639957 Method and system for calibrating an oscillator circuit using a network based time reference Oct. 28, 2003
6640093 Broadcast receiver Oct. 28, 2003
6636572 High-speed digital timing and gain gradient circuit employing a parallel architecture Oct. 21, 2003
6636575 Cascading PLL units for achieving rapid synchronization between digital communications systems Oct. 21, 2003
6633201 System and method for determining frequency tolerance without a reference Oct. 14, 2003
6633582 Symmetrical codec selection in an asymmetrical codec environment Oct. 14, 2003
6633590 Method of synchronizing a reference clock of a ground station and a clock of a remote system Oct. 14, 2003
6633619 Data symbol counting device, synchronizing device and method Oct. 14, 2003

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