Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
11/1994
11/30/1994EP0626113A1 Self-compensating digital delay semiconductor device with selectable output delays and method therefor
11/30/1994EP0626112A1 Compensated digital delay semiconductor device with selectable output taps and method therefor
11/30/1994CN1095871A Delay matching circuit
11/29/1994US5369498 Video disk player comprising a signal selection circuit for selecting one of a video data signal and a luminance signal as an output signal
11/29/1994US5369404 Combined angle demodulator and digitizer
11/29/1994US5369376 Programmable phase locked loop circuit and method of programming same
11/29/1994CA2124367A1 Fast tuned, injection locked, synthesized oscillator
11/24/1994WO1994027372A1 Method for starting a radio transmitter and a radio transmitter
11/23/1994EP0625837A2 Automatic false synchronization correction mechanism for biphase-modulated signal reception
11/23/1994EP0625826A1 Programmable frequency divider in a phase lock loop
11/23/1994EP0625292A1 Frequency synthesizer for quick returning
11/23/1994EP0309150B1 Data reproducing apparatus
11/23/1994CN1026745C Multiple accumulator fractional n synthesis with series recombination
11/22/1994US5367545 Asynchronous signal extracting circuit
11/22/1994US5367270 Voltage controlled oscillator operable over a large frequency range
11/22/1994US5367269 System for producing an oscillating jamming signal utilizing a phase-locked loop
11/22/1994US5367266 Frequency discriminator of horizontal synchronizing signal for multi-mode monitor
11/17/1994EP0624982A2 Clock apparatus for a compressed video signal
11/17/1994EP0624954A1 Arrangement for reducing the spurious spectral lines contained in a digital frequency synthesizer output signal
11/17/1994EP0624950A2 Delay matching circuit
11/17/1994EP0624288A1 Temperature compensation of a crystal reference using direct digital synthesis
11/15/1994US5365202 PLL frequency synthesizer using plural phase comparisons
11/15/1994US5365128 High-resolution synchronous delay line
11/15/1994US5365121 Charge pump with controlled ramp rate
11/13/1994CA2123178A1 Device for reducing the noise line amplitude in a digital frequency synthesizer output signal
11/10/1994WO1994026047A1 A multiple phase-lock-loop clock recovery circuit
11/10/1994WO1994026041A2 A phase lock loop with idle mode of operation during vertical blanking
11/10/1994WO1994026033A1 Numerically controlled oscillator and digital phase locked loop
11/10/1994WO1994026032A1 Digital controlled xtal osc
11/10/1994CA2159189A1 Digital controlled xtal osc
11/09/1994CN1026544C Noise reduction method and apparatus for phase-locked loops
11/08/1994US5363419 Dual phase-locked-loop having forced mid range fine control zero at handover
11/08/1994US5363112 Noise suppression processor for a carrier tracking loop
11/08/1994US5363066 Fast CMOS charge pump circuit
11/08/1994US5363065 Frequency synthesizer utilizing a fast switching current mirror circuit and apparatus comprising such a synthesizer
11/08/1994US5362990 Charge pump with a programmable pump current and system
11/02/1994EP0622905A2 Evanescent-field interrogator for atomic frequency standards
11/02/1994EP0622904A2 PLL circuit having a multiloop, and FM receiving method and apparatus able to utilize the same
11/02/1994EP0622775A1 Apparatus and method for clock generation for a display apparatus
11/02/1994EP0621994A1 Method and apparatus for providing a digital audio interface protocol
11/02/1994CN2181780Y Electromagnetic stove with automatic frequency tracking
11/02/1994CN1094549A A frequency synthesizer employing a continuously a daptive phase detector and method
11/01/1994US5361044 Phase locked loop frequency synthesizer
11/01/1994US5361036 Complex digital demodulator employing Chebychev-approximation derived synthetic sinusoid generation
10/1994
10/28/1994CA2120420A1 Evanescent-field interrogator for atomic frequency standards
10/27/1994WO1994024793A1 Composite clock signal
10/27/1994WO1994024792A1 Phase alignment methods and apparatus
10/27/1994WO1994024769A1 A phase lock loop with error measurement and correction in alternate periods
10/27/1994WO1994024768A1 A phase lock loop with error consistency detector
10/27/1994WO1994024767A1 An oscillator with switched reactive elements
10/27/1994WO1994024766A1 A phase lock loop with an r-c oscillator
10/27/1994DE4412419A1 Phase-locked circuit and integrated circuit device
10/27/1994CA2159190A1 Composite clock signal
10/26/1994EP0621697A1 Process for promoting activation of a phase locked loop and corresponding loop
10/26/1994EP0621689A1 Voltage controlled oscillator
10/25/1994US5359635 Programmable frequency divider in a phase lock loop
10/25/1994US5359631 Timing recovery circuit for synchronous waveform sampling
10/25/1994US5359300 Phase locked loop (PLL) having a power supply circuit
10/25/1994US5359299 High speed and low drift charge pump circuit
10/25/1994US5359298 VCO having voltage-to-current converter and PLL using same
10/25/1994US5359297 VCO power-up circuit for PLL and method thereof
10/19/1994EP0620662A1 Processing, serializing and synchronizing device
10/19/1994EP0620651A2 Method and apparatus for standby recovery in a phase locked loop
10/19/1994EP0374235B1 Phase-control circuit
10/19/1994CN1093842A Signal controlled phase shifter
10/18/1994US5357545 Synchronizing signal detecting circuit
10/18/1994US5357447 Rate conversion apparatus
10/18/1994US5357221 Regulation of modulator I and Q signal phasing
10/18/1994US5357220 Emitter-coupled oscillator with differential switching control
10/18/1994US5357217 Signals generator having non-overlapping phases and high frequency
10/18/1994US5357216 Current sourcing and sinking circuit for driving a VCO charge pump
10/18/1994US5357215 Method of setting phase locked loops by comparing output signals in a phase detector
10/12/1994EP0619653A1 Digital phase-locked loop
10/12/1994EP0619540A1 Circuit and method of synchronizing clock signals
10/12/1994EP0619052A1 Shifting phase of a clock signal, in particular for clock recovery of a digital data signal
10/11/1994US5355393 Digital oscillator for carrier frequency synchronization
10/11/1994US5355171 Digital oscillator and color subcarrier demodulation circuit having the digital oscillator
10/11/1994US5355098 Phase-locked loop with memory storing control data controlling the oscillation frequency
10/11/1994US5355097 Potentiometric oscillator with reset and test input
10/11/1994US5355037 High performance digital phase locked loop
10/05/1994EP0618682A2 Frequency synthesizer
10/04/1994US5353311 Radio transmitter
10/04/1994CA2006380C Timing signal recovery circuit for a data transmission system
09/1994
09/29/1994WO1994022224A1 Frequency synthesizer
09/28/1994CN1092919A Circuit of stable temprature poulsen-ar converter with heating unit which can be controlled from outside
09/27/1994US5351275 Digital serial loop filter for high speed control systems
09/27/1994US5351015 Time based data separator zone change sequence
09/27/1994US5351014 Voltage control oscillator which suppresses phase noise caused by internal noise of the oscillator
09/27/1994US5351000 Method of cancelling offset errors in phase detectors
09/22/1994DE4143348C2 Digital pulse generator for digital synthesis
09/21/1994EP0382826B1 High speed multi-channel phase detector
09/21/1994CN1092576A Carrier phse lock detecting apparatus used in psk-modulated signal receiver for satellite communication system
09/20/1994US5349613 Digital phase locked loop, and digital oscillator arranged to be used in the digital phase locked loop
09/20/1994US5349544 Programmable system synchronizer
09/20/1994US5349311 Current starved inverter voltage controlled oscillator
09/20/1994US5349310 Digitally controlled fractional frequency synthesizer
09/20/1994US5349309 Second order phase locked loop
09/15/1994WO1994021048A1 Method of generating a clock signal by means of a phase-locked loop and a phase-locked loop
09/15/1994WO1994021047A1 Method of generating a clock signal by means of a phase-locked loop and a phase-locked loop
09/15/1994WO1994020888A3 Radio frequency telecommunications transceiver