Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
09/1996
09/03/1996US5552750 Method and apparatus for determining an instantaneous phase difference between two signals
09/03/1996US5552748 Digitally-tuned oscillator including a self-calibrating RC oscillator circuit
09/03/1996US5552733 Precise and agile timing signal generator based on a retriggered oscillator
09/03/1996US5552727 Digital phase locked loop circuit
09/03/1996US5552726 High resolution digital phase locked loop with automatic recovery logic
08/1996
08/29/1996WO1996026604A2 Device for deriving a clock signal from a synchronizing signal and a video recorder provided with the device
08/28/1996EP0729251A2 Data reproducing method and data reproducing unit with sampling
08/28/1996EP0729231A2 Voltage-controlled delay unit for delay-locked loop devices
08/28/1996EP0728379A1 Microwave transmitter and communications system
08/28/1996CN1130000A Digital phase locked loop
08/28/1996CN1129864A Jitter suppression circuit
08/27/1996US5550879 Motor current signal processor including phase locked and delta modulated loops
08/27/1996US5550878 Phase comparator
08/27/1996US5550877 Method and apparatus for attenuating jitter in a digital transmission line
08/27/1996US5550515 Multiphase clock synthesizer having a plurality of phase shifted inputs to a plurality of phase comparators in a phase locked loop
08/27/1996US5550514 Method of aligning the phase of a stable local frequency oscillator
08/27/1996CA2060462C Apparatus and method for timing distribution over an asynchronous ring
08/24/1996CA2170122A1 Voltage-controlled delay unit for delay-locked loop devices
08/22/1996WO1996025796A1 Power dissipation control system for vlsi chips
08/22/1996WO1996025795A1 A fast sigma-delta modulator having a controlled clock generator
08/21/1996EP0727877A2 Fast frequency switching synthesizer
08/21/1996CN1129374A Nested digital phase lock loop
08/20/1996US5548829 PLL circuit having a low-pass passive filter coupled to a varactor diode
08/20/1996US5548679 Digital PLL system
08/20/1996US5548250 Low power phase lock loop clocking circuit for battery powered systems
08/20/1996US5548249 Clock generator and method for generating a clock
08/20/1996US5548235 Phase-locked loop and resulting frequency multiplier
08/20/1996CA2051121C Phase-locked circuit and frequency multiplier obtained
08/14/1996EP0726662A2 Receiver and transmitter-receiver
08/14/1996EP0726650A1 Balanced phase splitting circuit
08/14/1996EP0479932B1 Frequency synthesizer with an interface controller and buffer memory
08/14/1996CN1128918A Two-in-one transmitter and receiver
08/13/1996US5546434 Dual edge adjusting digital phase-locked loop having one-half reference clock jitter
08/13/1996US5546433 Digital phase lock loop having frequency offset cancellation circuitry
08/13/1996US5546432 For producing a clock signal
08/13/1996US5546056 Injection-locked oscillator having non-reciprocal four port network
08/13/1996US5546053 Phase locked loop having booster circuit for rapid lockup
08/13/1996US5546052 Phase locked loop circuit with phase/frequency detector which eliminates dead zones
08/13/1996US5546032 Clock signal regeneration method and apparatus
08/08/1996DE19602845A1 Semiconductor device generating internal operating factor corresp. to external factor
08/07/1996EP0725484A1 Process and arrangement for determining the phase difference between clock signals in communications equipment
08/07/1996CN1128460A Fast acting control system
08/06/1996US5544203 Fine resolution digital delay line with coarse and fine adjustment stages
08/06/1996US5544202 Synchronization apparatus
08/06/1996US5543754 Capacitor and resistor controlled oscillator timing lock loop for precision time constants
08/06/1996CA2093252C Low noise frequency synthesizer using half integer dividers and analog gain compensation
08/06/1996CA2001266C Digital phase aligner and method for its operation
08/01/1996WO1996023354A1 Wide frequency spectrum television tuner with single local oscillator
08/01/1996WO1996023231A1 Spectrum analyzer
07/1996
07/30/1996US5542083 Information processor and information processing system utilizing clock signal
07/30/1996US5541965 Carrier frequency synchronization device using two different B/W filters
07/30/1996US5541959 Method and apparatus for the cancellation of interference in electrical systems
07/30/1996US5541929 TDMA mobile unit frequency synthesizer having power saving mode during transmit and receive slots
07/30/1996US5541596 Serial/parallel converter circuit with uncertainty removing function
07/30/1996US5541556 Clock recovery circuit for serial digital video
07/24/1996EP0723340A1 Delay detection circuit and low-noise oscillation circuit using the same
07/24/1996EP0722631A1 Method and apparatus for attenuating jitter in a digital transmission line
07/24/1996EP0480012B1 Multiaccumulator sigma-delta fractional-n synthesis
07/24/1996CN1127447A A method and circuit for controlling digital processing piiase-locked loop for network synchronization
07/24/1996CN1127445A Fast acting control system
07/23/1996US5539784 Refined timing recovery circuit
07/23/1996US5539761 Resonant tunneling oscillators
07/23/1996US5539357 Phase locked loop
07/23/1996US5539346 Frequency synthesizer having DDS in place of VCO
07/23/1996US5539345 Phase detector apparatus
07/23/1996US5539344 Phase-locked circuit and interated circuit device
07/23/1996US5539328 Termination for high frequency clock distribution path
07/18/1996WO1996021973A1 A phase error processor circuit with a comparator input swapping technique
07/18/1996WO1996021926A1 A harmonic and frequency-locked loop pitch tracker and sound separation system
07/17/1996EP0722215A1 PLL-FM demodulator
07/17/1996EP0721698A1 Method for controlling a phase-locked loop, and a phase-locked loop
07/16/1996US5537449 Clock synchronizing circuitry having a fast tuning circuit
07/16/1996US5537448 Switchable PLL circuit with constant amplification gradient
07/16/1996US5537069 Apparatus and method for selecting a tap range in a digital delay line
07/11/1996WO1996021279A2 Frequency synthesizer
07/11/1996DE19548040A1 Bidirectional time divider multiplex transmitter
07/10/1996EP0721262A2 Method and system for phase synchronisation with a radio data (RDS) signal
07/10/1996CN1126395A Digital controlled oscillator
07/10/1996CN1126394A 改进的锁相环路 Improved phase locked loop
07/10/1996CN1126331A Refined timing recovery circuit
07/09/1996US5535432 Dual-mode satellite/cellular phone with a frequency synthesizer
07/09/1996US5535067 Frequency controlled reference clock generator
07/09/1996US5534943 Frequency modulation system having control of a carrier frequency
07/09/1996US5534939 Digital video clock generation system
07/09/1996US5534823 Phase locked loop (PLL) circuit having variable loop filter for shortened locking time
07/09/1996US5534822 Parallel phase-locked loop oscillator circuits with average frequency calculation of input stage loop
07/09/1996US5534821 Charge pump circuits for PLL frequency synthesizer
07/09/1996CA2050771C Phase-locked loop frequency tracking device including a direct digital synthesizer
07/04/1996WO1996020535A1 Lamp oscillator for atomic frequency standards
07/04/1996WO1996010254A3 Improved timing recovery for synchronous partial response recording
07/03/1996EP0720299A1 Closed-loop frequency control of an oscillator circuit
07/03/1996EP0719478A1 Digital to analog conversion using nonuniform sample rates
07/03/1996EP0719477A1 Analog to digital conversion using nonuniform sample rates
07/02/1996US5533059 Carrier phase lock detecting apparatus used in PSK-modulated signal receiver for satellite communication system
07/02/1996US5532636 Source-switched charge pump circuit
07/02/1996CA2079422C Phase-locked circuit capable of being quickly put in a phase-locked state
06/1996
06/27/1996WO1996019735A1 Handheld vector network analyzer
06/26/1996EP0718979A2 Oscillator
06/26/1996EP0718978A1 Differential charge pump
06/26/1996EP0718963A1 Method and apparatus for broadband frequency modulation of a phase-locked frequency synthesizer