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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:

Patent Number Title Of Patent Date Issued
6088409 Receiving apparatus for reducing power consumption when the received signal is intermittently received Jul. 11, 2000
6088410 False-synchronization detection device for bit-synchronous circuit of . .pi/4-shift DQPSK demodulator Jul. 11, 2000
6088412 Elastic buffer to interface digital systems Jul. 11, 2000
6084930 Triggered clock signal generator Jul. 4, 2000
6081299 Methods and systems for encoding real time multimedia data Jun. 27, 2000
6081567 Method and apparatus for synchronizing a data communication system to a periodic digital impairment Jun. 27, 2000
6075393 Clock synchronous semiconductor device system and semiconductor devices used with the same Jun. 13, 2000
6075830 Method and apparatus for adapting an asynchronous bus to a synchronous circuit Jun. 13, 2000
6072846 Method and apparatus for distributing a clock signal to synchronous memory elements Jun. 6, 2000
6067332 Frequency searching method and digital audio broadcast receiver May. 23, 2000
6064701 Synchronization-based communication systems May. 16, 2000
6055585 System for operating a universal asynchronous receiver/transmitter (UART) at speeds higher than 115,200 bps while maintaining full software and hardware backward compatibility Apr. 25, 2000
6049614 Synchronized chaotic system and communication system using synchronized chaotic system Apr. 11, 2000
6047033 Apparatus and method for signal timing error detection Apr. 4, 2000
6044121 Method and apparatus for recovery of time skewed data on a parallel bus Mar. 28, 2000
RE36633 Synchronous residual time stamp for timing recovery in a broadband network Mar. 28, 2000
6034994 Method for controlling the point of time when bypass mode operation is begun, based on the format of PCM data Mar. 7, 2000
6028898 Signal regenerator Feb. 22, 2000
6029061 Power saving scheme for a digital wireless communications terminal Feb. 22, 2000
6026134 Phase locked loop (PLL) with linear parallel sampling phase detector Feb. 15, 2000
6023493 Method and apparatus for synchronizing a data communication system to a periodic digital impairment Feb. 8, 2000
6021167 Fast equalizer training and frame synchronization algorithms for discrete multi-tone (DMT) system Feb. 1, 2000
6016548 Apparatus for controlling duty ratio of power saving of CPU Jan. 18, 2000
6011820 Single frequency transmission network Jan. 4, 2000
6009131 Synchronizer Dec. 28, 1999
6005902 Providing timing to an external system Dec. 21, 1999
6002729 Method for frame synchronization Dec. 14, 1999
6002733 Universal asynchronous receiver and transmitter Dec. 14, 1999
5999580 Data signal timing correction device, filter device, and wireless portable communication terminal Dec. 7, 1999
5995535 Rapid time and frequency acquistion of spread spectrum waveforms via ambiguity transform Nov. 30, 1999
5995568 Method and apparatus for performing frame synchronization in an asymmetrical digital subscriber line (ADSL) system Nov. 30, 1999
5995569 Method for establishing synchronization and demodulator using the same Nov. 30, 1999
5987080 Method of synchronizing signals and a device herefor Nov. 16, 1999
5987081 Method and apparatus for a testable high frequency synchronizer Nov. 16, 1999
5982786 Circuits and methods for framing one or more data streams Nov. 9, 1999
5982826 Synchronous clock regeneration system for generating a clock waveform at a specified frequency Nov. 9, 1999
5982827 Means for virtual deskewing of high/intermediate/low DUT data Nov. 9, 1999
5983388 Forward error correction arrangement (FEC) for multipoint to single point communication systems Nov. 9, 1999
5973601 Method of radio transmission between a radio transmitter and radio receiver Oct. 26, 1999
5974102 Synchronizing circuit Oct. 26, 1999
5974103 Deterministic exchange of data between synchronised systems separated by a distance Oct. 26, 1999
5963564 Synchronizing the transmission of data via a two-way link Oct. 5, 1999
5963602 Synchronism detection and demodulating circuit Oct. 5, 1999
5960011 Viterbi decoder Sep. 28, 1999
5953069 Sync separator circuit Sep. 14, 1999
5953384 Automatic measurement of GPS cable delay time Sep. 14, 1999
5953385 Method and device for detecting the error on the frequency of a carrier Sep. 14, 1999
5953648 System and method for estimating clock error in a remote communication device Sep. 14, 1999
5946120 Wireless communication system with a hybrid optical and radio frequency signal Aug. 31, 1999
5946354 Hard disk drive read channel with half speed timing Aug. 31, 1999



 
 
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