Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 375/373
Name: Pulse or digital communications > Synchronizers > Phase displacement, slip or jitter correction > Phase locking
Description: Subject matter wherein the receiver clock and received data are brought into frequency and phase alignment or coherence.










Sub-classes under this class:

Class Number Class Name Patents
375/376 Phase locked loop 3,064
375/374 With charge pump or up and down counters 383
375/375 With frequency detector and phase detector 844


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
5737371 Realignment of data stream from an optical disk Apr. 7, 1998
5737374 Delay locked loop for use in a GPS signal receiver Apr. 7, 1998
5731723 Half symbol delay calibration for phase window centering Mar. 24, 1998
5732109 Phase detector Mar. 24, 1998
5715281 Zero intermediate frequency receiver Feb. 3, 1998
5712580 Linear phase detector for half-speed quadrature clocking architecture Jan. 27, 1998
5712883 Clock signal distribution system Jan. 27, 1998
5712884 Data receiving method and circuit of digital communication system Jan. 27, 1998
5701334 Path length delay compensation in an open-loop system Dec. 23, 1997
5692023 Phase locked loop including distributed phase correction pulses for reducing output ripple Nov. 25, 1997
5687202 Programmable phase shift clock generator Nov. 11, 1997
5684805 Microwave multiphase detector Nov. 4, 1997
5684842 Digital transmission system comprising a receiver which includes a carrier recovery circuit Nov. 4, 1997
5677935 Sync detecting method and sync detecting circuit Oct. 14, 1997
5652773 Digital phase-locked loop for data separation Jul. 29, 1997
5651035 Apparatus for reducing jitter of a spectrum spread clock signal and method therefor Jul. 22, 1997
5646967 Multi-phase triangular wave synthesizer for phase-to-frequency converter Jul. 8, 1997
5640398 State machine architecture for concurrent processing of multiplexed data streams Jun. 17, 1997
5638410 Method and system for aligning the phase of high speed clocks in telecommunications systems Jun. 10, 1997
5636249 Method of and apparatus for phase synchronization with an RDS signal Jun. 3, 1997
5619154 Numerical voltage controlled oscillator Apr. 8, 1997
5610953 Asynchronous low latency data recovery apparatus and method Mar. 11, 1997
5606581 Method and apparatus for the cancellation of interference in electrical systems Feb. 25, 1997
5602882 Digital jitter attenuator using selection of multi-phase clocks and auto-centering elastic buffer Feb. 11, 1997
5602884 Digital phase locked loop Feb. 11, 1997
5598446 Clock extraction of a clock signal using rising and falling edges of a received transmission signal Jan. 28, 1997
5592515 Fully digital data separator and frequency multiplier Jan. 7, 1997
5592519 Dual frequency clock recovery using common multitap line Jan. 7, 1997
5577078 Edge detector Nov. 19, 1996
5577079 Phase comparing circuit and PLL circuit Nov. 19, 1996
5577080 Digital phase-locked loop circuit with filter coefficient generator Nov. 19, 1996
5570395 Method and apparatus for the cancellation of interference in electrical systems Oct. 29, 1996
5570396 Transmission system comprising receiver with improved timing means Oct. 29, 1996
5568521 Phase lock indicator circuit for a high frequency recovery loop Oct. 22, 1996
5566215 Method and device for restoring a clock signal punctuating the transmission of received signals Oct. 15, 1996
5561692 Clock phase shifting method and apparatus Oct. 1, 1996
5559801 Programmable packet sampling for network management Sep. 24, 1996
5555261 Interface device between a network and an exchange for assembling fixed-length cell and transmitting the same Sep. 10, 1996
5555278 Semiconductor circuit having phase lock function Sep. 10, 1996
5553100 Fully digital data separator and frequency multiplier Sep. 3, 1996
5553104 Information recording/reproducing apparatus having a clock timing extraction circuit for extracting a clock signal from an input data signal Sep. 3, 1996
5550877 Method and apparatus for attenuating jitter in a digital transmission line Aug. 27, 1996
5550878 Phase comparator Aug. 27, 1996
5539786 Digital circuit for generating a clock signal Jul. 23, 1996
5537442 Instantaneous phase detecting circuit and clock recovery signal generating circuit incorporated in differential demodulator Jul. 16, 1996
5537448 Switchable PLL circuit with constant amplification gradient Jul. 16, 1996
5533072 Digital phase alignment and integrated multichannel transceiver employing same Jul. 2, 1996
5528580 Add-drop control apparatus Jun. 18, 1996
5526361 Bit demultiplexor for demultiplexing a serial data stream Jun. 11, 1996
5524126 Symbol timing recovery using fir data interpolators Jun. 4, 1996

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next










 
 
  Recently Added Patents
Portable massage apparatus
System and method for managing a loyalty program via an association network infrastructure
Artificial engine sound control unit, approaching vehicle audible system, and electric vehicle having them
Light fixture
Content reproduction apparatus and content processing method therefor
Proximity sensor arrangement in a mobile device
Wristwatch
  Randomly Featured Patents
Moisture detector
Portable receiver
Electric field concentration minimization for MEMS
Ceramic honeycomb filter
Ink-jet head maintenance device, ink-jet recording device and ink-jet head maintenance method
Touch controller with read-out line
Gas check with system for improved loading and retention in bore of muzzleloading firearms
Energy efficient multi-phase dual voltage electric motor
Method of producing discharge display device
Method of stabilizing organic substrates against the action of light