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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 550
375/356 Network synchronizing more than two stations 711
375/371 Phase displacement, slip or jitter correction 1,402
375/359 Self-synchronizing signal (self-clocking codes, etc.) 308
375/357 Synchronization failure prevention 377
375/355 Synchronizing the sampling time of digital data 1,030


Patents under this class:

Patent Number Title Of Patent Date Issued
7545790 Apparatus and method for acquisition of communication quality Jun. 9, 2009
7542534 Method and an apparatus to reduce electromagnetic interference Jun. 2, 2009
7542533 Apparatus and method for calibrating the frequency of a clock and data recovery circuit Jun. 2, 2009
7542532 Data transmission device and input/output interface circuit Jun. 2, 2009
7542506 Data receiver and equalizer adapter Jun. 2, 2009
7542486 Method of processing an incident pulsed UWB signal received by an independent data device of a wireless data communication system of the WPAN type, and corresponding independent data device Jun. 2, 2009
7541884 Methods and apparatus for crystal oscillator drift estimation and compensation Jun. 2, 2009
RE40716 CDMA receiver with parallel interference suppression and optimized synchronization Jun. 2, 2009
7539258 Audio data sync format detecting circuit May. 26, 2009
7539242 Semiconductor integrated circuit device and method of testing the same May. 26, 2009
7539241 Packet detector for a communication system May. 26, 2009
7535981 Clock generation circuit and method thereof May. 19, 2009
7535958 Hybrid wired and wireless chip-to-chip communications May. 19, 2009
7532695 Clock signal extraction device and method for extracting a clock signal from data signal May. 12, 2009
7532677 Apparatus, systems and methods for producing coherent symbols in a single frequency network May. 12, 2009
7529962 System for expanding a window of valid data May. 5, 2009
7529331 Wobble clock generator and driving method thereof May. 5, 2009
7529329 Circuit for adaptive sampling edge position control and a method therefor May. 5, 2009
7529325 Voice and data exchange over a packet based network with timing recovery May. 5, 2009
7529294 Testing of multiple asynchronous logic domains May. 5, 2009
7529275 Data transfer protocol for 6.25 GBPs Serializer/Deserializer (SERDES) May. 5, 2009
7526017 Transmitting device, receiving device, transmission system, and transmission method Apr. 28, 2009
7522685 Resynchronizing timing sync pulses in a synchronizing RF system Apr. 21, 2009
7522684 Signal transmission system Apr. 21, 2009
7522681 Method and device for synchronizing a radio transmitter with a radio receiver Apr. 21, 2009
7522514 Systems and methods for high rate OFDM communications Apr. 21, 2009
7519343 Receiver for receiving a data stream having first and second reference entries and method for operating the same Apr. 14, 2009
RE40695 Clock phase detecting circuit and clock regenerating circuit each arranged in receiving unit of multiplex radio equipment Apr. 7, 2009
7515670 Early-late synchronizer having reduced timing jitter Apr. 7, 2009
7515667 Method and apparatus for reducing synchronizer shadow Apr. 7, 2009
7515666 Method for dynamically changing the frequency of clock signals Apr. 7, 2009
7515665 GFSK/GMSK detector with enhanced performance in co-channel interference and AWGN channels Apr. 7, 2009
7515664 Method of recovering data in asynchronous applications Apr. 7, 2009
7515663 Method and apparatus for synchronising receivers Apr. 7, 2009
7515639 Asynchronous data transmitting apparatus Apr. 7, 2009
7515582 Synchronization method and apparatus for OFDM systems Apr. 7, 2009
7512385 GPS RF front end IC with programmable frequency synthesizer for use in wireless phones Mar. 31, 2009
7512201 Multi-channel synchronization architecture Mar. 31, 2009
7512200 Circuit to detect clock delay and method thereof Mar. 31, 2009
7512190 Data transmission apparatus using asynchronous dual-rail bus and method therefor Mar. 31, 2009
7508901 Apparatus and method for generating current reset mode pulse width modulation signals Mar. 24, 2009
7508900 Apparatus for improved resolution pulse width modulation module duty cycle, dead time and phase Mar. 24, 2009
7508899 Apparatus and method for generating multi-phase pulse width modulation (PWM) and sharing a common (master) duty cycle value among a plurality of PWM generators Mar. 24, 2009
7505542 Low jitter digital frequency synthesizer with frequency modulation capabilities Mar. 17, 2009
7505516 Ultra wide band (UWB) synchronisation search Mar. 17, 2009
7502436 Apparatus and method for generating push-pull pulse width modulation signals Mar. 10, 2009
7502433 Bimodal source synchronous interface Mar. 10, 2009
7499516 Methods and apparatus for interface buffer management and clock compensation in data transfers Mar. 3, 2009
7499514 Communication system, reception apparatus and method, recording medium and program Mar. 3, 2009
7499512 Clock transmission apparatus for network synchronization between systems using an even-second clock and an Unshielded Twisted Pair (UTP) Mar. 3, 2009



 
 
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