Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
06/1996
06/25/1996US5530726 Method and apparatus for switching of duplexed clock system
06/25/1996US5530723 Automatic frequency control arrangement
06/25/1996US5530487 Video signal clamping arrangement located downstream of a multiplexer
06/25/1996US5530406 Frequency synthesizer having a phase-locked loop structure for fast generation of radio-frequency channels
06/25/1996US5530389 Circuit arrangement for a clock generator
06/25/1996US5530383 Method and apparatus for a frequency detection circuit for use in a phase locked loop
06/20/1996WO1996019043A1 Phase-locked loop for signals having rectangular waveforms
06/20/1996WO1996019041A1 Cmos voltage-controlled oscillator having a wide frequency range
06/19/1996EP0717502A1 Frequency synthesiser for a broadband VHF-UHF receiver
06/19/1996EP0717491A2 High precision, low phase noise synthesizer with vector modulator
06/19/1996CN1125021A A phase lock loop with error measurement and correction in alternate periods
06/19/1996CN1125020A A phase lock loop with idle mode of operation during vertical blanking
06/19/1996CN1125019A A phase lock loop with error consistency detector
06/19/1996CN1125018A An oscillator with switched reactive elements
06/19/1996CN1124888A Oscillator free run frequency setting by data bus control
06/18/1996US5528638 Multiple phase shifted clocks generation using a minimal set of signals from a PLL
06/18/1996US5528240 Digital phase-locked loop utilizing a high order sigma-delta modulator
06/18/1996US5528199 Closed-loop frequency control of an oscillator circuit
06/18/1996US5528198 Clock signal extraction apparatus using VCO having plurality of selectable phase shifted outputs
06/18/1996US5528187 Clock synchronizing circuit
06/18/1996US5528183 Serial clock synchronization circuit
06/13/1996WO1996018245A1 Phase locked loop controlled frequency synthesizer for use in frequency hopping
06/13/1996WO1996018241A1 Digital data phase detector
06/13/1996CA2182297A1 Method and apparatus for implementing frequency hopping in a tdma system
06/12/1996EP0716511A1 Method and apparatus for a frequency detection circuit for use in a phase locked loop
06/12/1996EP0716501A1 Phase comparator of a digital signal and a clock signal, and corresponding phase locked loop
06/11/1996US5526527 Method and apparatus for frequency synthesization in digital cordless telephones
06/11/1996US5526380 First-order loop control configuration for a phase-rotator based clock synchronization circuit
06/11/1996US5525935 High-speed bit synchronizer with multi-stage control structure
06/11/1996US5525932 Lock indicator for phase locked loop circuit
06/06/1996WO1996017435A1 Steered frequency phase locked loop
06/05/1996EP0715412A1 Process and arrangement for the investigation of phase variations of a reference input signal of a phase locked loop
06/05/1996EP0715401A1 Frequency divider
06/05/1996DE19513795C1 Digital phase difference measuring circuit
06/04/1996US5523724 For generating a clock signal
06/04/1996US5523723 Low noise low voltage phase lock loop
05/1996
05/30/1996DE3938250C1 Linearfrequenzmodulierter Dauerstrich-Millimeterwellensensor Linear frequency modulated continuous wave millimeter wave sensor
05/30/1996DE19542987A1 Current type inverter circuit
05/29/1996EP0713627A1 Synchronizing arrangement and method
05/28/1996US5521948 Frequency synthesizer
05/28/1996US5521947 Phase detection reset in phase locked loops used for direct VCO modulation
05/28/1996US5521939 Timing reproduction device
05/28/1996US5521767 Optimized equalizer system for data recovery and timing extraction in partial response read channels
05/28/1996US5521557 Delay detection circuit and low-noise oscillation circuit using the same
05/28/1996US5521556 Frequency converter utilizing a feedback control loop
05/28/1996US5521532 Digital synthesizer controlled microwave frequency signal source
05/22/1996EP0558514B1 Precision phase shift system
05/22/1996CN1122972A Method for processing digital and analog input singals
05/21/1996US5519887 Switchable filter phase-locked loop frequency synthesizer device and method for achieving dual-mode cellular communications
05/21/1996US5519500 Synchronization signal generating circuit
05/21/1996US5519444 Phase synchronizing loop apparatus for digital audio signals
05/21/1996CA2054247C Demodulation circuit for phase modulated signals
05/17/1996WO1996014690A1 Cascode switched charge pump circuit
05/15/1996EP0712210A1 Transmission circuit for data in asynchronous mode via a free receiving frequency coupled with the sending frequency
05/15/1996EP0712104A2 Multi-channel transponder with channel amplification at a common lower frequency
05/15/1996EP0375770B1 Fast locking phase-locked loop utilizing frequency estimation
05/15/1996CN1122545A A transmission circuit of a line encoded signal on a telephone line
05/14/1996US5517685 PLL circuit having a multiloop, and FM receiving method and apparatus able to utilize the same
05/14/1996US5517534 Phase locked loop with reduced phase noise
05/14/1996US5517532 Standing sine wave clock bus for clock distribution systems
05/14/1996US5517521 Method and apparatus for synchronization between real-time sampled audio applications operating full-duplex over a half-duplex radio link
05/14/1996US5517159 Frequency modulating system including feedback clamping circuit
05/14/1996US5517157 Evanescent-field interrogator for atomic frequency standards
05/14/1996US5517156 Digital phase shifter
05/14/1996US5517155 Phase locked loop having digitally controlled oscillator and pulse signal generator
05/14/1996US5517147 Multiple-phase clock signal generator for integrated circuits, comprising PLL, counter, and logic circuits
05/11/1996CA2160187A1 Method and apparatus for reduction of light intensity decay in optical pumping devices
05/09/1996WO1996013895A1 Frequency synthesizer having modulation deviation correction via presteering stimulus
05/08/1996EP0711041A1 Phase-locked circuit
05/08/1996EP0711040A1 Frequency generator wit a high stability
05/07/1996US5515403 Apparatus and method for clock alignment and switching
05/07/1996US5515364 Radio frequency telecommunications transceiver
05/07/1996US5515012 Very low noise, wide frequency range phase lock loop
05/07/1996US5515011 Pulsed magnetron circuit with phase locked loop
05/07/1996US5514990 Frequency multiplier circuit
05/07/1996US5514982 Low noise logic family
05/07/1996CA2037159C Phase-locked loop type frequency synthesizer having improved loop response
05/05/1996CA2161938A1 Highly stable frequency generator
05/02/1996DE19540198A1 Frequenzsynthesizer Frequency Synthesizers
05/01/1996EP0709967A1 Phase locked loop circuit and method
05/01/1996EP0709966A2 Phase detector with ternary output
05/01/1996EP0709959A1 Correction of a frequency offset
05/01/1996EP0709955A2 FM demodulator for reception of satellite broadcasting
05/01/1996CN1121755A Composite clock signal
05/01/1996CN1121753A Digital controlled xtal osc
05/01/1996CN1121657A Oscillator and frequency synthesizer and communication apparatus using the oscillator
04/1996
04/30/1996US5513225 Resistorless phase locked loop circuit employing direct current injection
04/30/1996US5512860 Clock recovery phase locked loop control using clock difference detection and forced low frequency startup
04/26/1996CA2161306A1 Frequency shift correction
04/25/1996WO1996012361A1 Symbol synchronizer using modified early/punctual/late gate technique
04/25/1996WO1996012348A1 A lock alarm circuit for a frequency synthesizer
04/24/1996CN1031679C 频率合成器 Frequency synthesizer
04/24/1996CN1031678C Circuit of stable temprature poulsen-ar converter with heating unit which can be controlled from outside
04/23/1996US5511101 Phase-locked loop synthesizer
04/23/1996US5511100 Method and apparatus for performing frequency detection
04/23/1996CA2040848C Pll frequency synthesizer
04/18/1996DE4443790C1 Phase synchronisation system for radio data signal receiver
04/18/1996DE19537342A1 Synchronisation circuit with external data signal and clock feed terminals
04/17/1996EP0707305A2 Display mode detector, pixel clock synchroniser and interpolator for ferroelectric liquid crystal display
04/17/1996CN1120762A Apparatus for clock recovery