Patents
Sitemap › H03 - Basic electronic circuitry › H03L - Automatic control, starting, synchronisation, or stabilisation of generators of electronic oscillations or pulses › H03L 7 - Automatic control of frequency or phase; Synchronisation
Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
11/1996
11/05/1996US5572168 Frequency synthesizer having dual phase locked loops
11/05/1996US5572167 Method and apparatus for a phase-locked loop circuit with holdover mode
11/05/1996US5572157 Digital phase-looked loop circuit
11/05/1996CA2104729C Quadrature modulation circuit for use in a radio transmitter
10/1996
10/31/1996WO1996026604A3 Device for deriving a clock signal from a synchronizing signal and a video recorder provided with the device
10/31/1996DE19515218A1 Oscillator arrangement tuning method
10/30/1996EP0740423A2 Digital phase-locked loop
10/30/1996EP0739568A1 A method and a device for converting a picture
10/30/1996EP0739563A1 Higher order digital phase loop filter
10/30/1996CN2239101Y Wide-band 0-360 degree phase shifter
10/30/1996CN1134269A Efficient ultrasonic fat-reducing slimming machine
10/29/1996US5570398 Method and apparatus for dynamic pole-zero reconfiguration for use with hard disc drive servos, electronic filters and other circuits
10/29/1996US5570395 Method and apparatus for the cancellation of interference in electrical systems
10/29/1996US5570200 Video disk player comprising a signal circuit for selecting one of a video data signal and a luminance signal as an out signal
10/29/1996US5570066 Method of programming a frequency synthesizer
10/29/1996US5570054 Method and apparatus for adaptive clock deskewing
10/29/1996US5570053 Method and apparatus for averaging clock skewing in clock distribution network
10/29/1996CA2073888C Signal delay apparatus employing a phase locked loop
10/24/1996WO1996033557A1 Method and circuit for synchronizing phase
10/24/1996WO1996033551A1 An apparatus and method for using negative fm feedback in high quality oscillator devices
10/24/1996WO1996028889A3 Digital phase-locked loop utilizing a high order sigma-delta modulator
10/23/1996EP0739089A2 Spread spectrum clock generator
10/23/1996EP0738438A1 Cascode switched charge pump circuit
10/23/1996EP0738437A1 A digitally controlled first order jitter attenuator using a digital frequency synthesizer
10/23/1996CN1134068A Delay detection circuit and low-noise oscillation circuit using same
10/22/1996US5568521 Phase lock indicator circuit for a high frequency recovery loop
10/22/1996US5568512 Communication system having transmitter frequency control
10/22/1996US5568201 Clock signal generating apparatus
10/22/1996US5568098 Frequency synthesizer for use in radio transmitter and receiver
10/22/1996US5568097 Ultra high availability clock chip
10/22/1996US5568096 Apparatus and method for using negative FM feedback in high quality oscillator devices
10/22/1996US5568078 Of a video signal receiving system
10/22/1996CA2071524C Parameter tolerant pll synthesizer
10/16/1996EP0738054A2 PLL circuit for use in a digital broadcast receiver
10/16/1996EP0737865A2 Digital phase difference measuring circuit
10/16/1996CN1133526A Single clamp multiplexer arrangement
10/15/1996US5566212 Phase-locked loop circuit for Manchester-data decoding
10/15/1996US5566204 Communications circuit
10/15/1996US5565928 Circuit for generating a scan at a multiple of a synchronizing signal
10/15/1996US5565817 Ring oscillator having accelerated charging and discharging of capacitors
10/15/1996US5565816 Clock distribution network
10/15/1996CA2174197A1 Pll circuit and method
10/10/1996WO1996031951A2 A loop filter of a phase-locked loop
10/10/1996WO1996031949A1 Variable delay circuit and timing signal generating circuit
10/09/1996CN1132962A Highly stable frequency generator
10/09/1996CN1132938A Layout method of integrated circuit
10/08/1996US5564099 Radio signal reception with a PLL frequency controlled for an IF signal depending on coexistence of a spurious signal with the radio signal
10/08/1996US5563921 Jitter detection apparatus using double-PLL structure
10/08/1996US5563554 Voltage controlled oscillator and phase-locked loop circuit
10/08/1996US5563553 Method and apparatus for a controlled oscillation that may be used in a phase locked loop
10/08/1996US5563552 System and method for calibrating damping factor of analog PLL
10/08/1996US5563531 Digital phase comparator
10/03/1996WO1996031031A1 High speed synchronous digital data bus system having unterminated data and clock buses
10/03/1996CA2213290A1 High speed synchronous digital data bus system having unterminated data and clock buses
10/02/1996EP0735693A1 A voltage controlled oscillator circuit
10/02/1996EP0735692A2 Data clock recovery circuit
10/02/1996EP0735691A2 Phase control circuit for exciting a resolver in digital control systems
10/02/1996EP0734616A1 A lock alarm circuit for a frequency synthesizer
10/02/1996DE19612716A1 Feedback control system e.g. for fluorescent lamp
10/01/1996US5561398 LC-tuned voltage controlled ring oscillator
10/01/1996US5561390 Clock signal generation circuit having detective circuit detecting loss of reference clock
10/01/1996CA2173086A1 Data clock recovery circuit
09/1996
09/26/1996WO1996029785A1 Variable loop gain frequency synthesizer
09/25/1996EP0734135A1 Method and apparatus for fast lock time
09/25/1996EP0734124A2 Filter network for phase-locked loop circuit
09/25/1996EP0733286A1 D/a for controlling an oscillator in a phase locked loop
09/25/1996CN1032889C Method and apparatus for automatic loop control
09/24/1996US5559842 Network-controlled reference frequency generator
09/24/1996US5559833 Transmission system comprising timing recovery
09/24/1996US5559477 Pulse generator having controlled delay to control duty cycle
09/24/1996US5559476 Voltage controlled oscillator including voltage controlled delay circuit with power supply noise isolation
09/24/1996US5559475 Frequency synthesizer for synthesizing signals of a variety of frequencies by cross modulation
09/24/1996US5559474 Frequency synthesizer with controllable loop filter
09/24/1996US5559473 Multi-range voltage controlled oscillator
09/23/1996CA2172334A1 Method and apparatus for fast lock time
09/19/1996WO1996028890A1 Direct digital synthesizer driven pll frequency synthesizer with clean-up pll
09/19/1996WO1996028889A2 Digital phase-locked loop utilizing a high order sigma-delta modulator
09/18/1996EP0732830A2 Circuit for clock signal extraction from a high speed data stream
09/18/1996EP0732811A1 Atomic frequency standard
09/18/1996EP0732781A1 Module comprising a controlled diode laser and electrooptical device using the same
09/17/1996US5557648 Phase lock loop circuit using a sample and hold switch circuit
09/17/1996US5557623 Accurate digital fault tolerant clock
09/17/1996US5557242 Method and apparatus for dielectric absorption compensation
09/17/1996US5557224 Apparatus and method for generating a phase-controlled clock signal
09/17/1996US5557196 Jitter analyzer
09/17/1996CA2066745C Multiple latched accumulator fractional n synthesis
09/12/1996WO1996027881A1 Device and method for reproducing data from disk, method for controlling rotation of disk, and reproduction clock generating device
09/11/1996EP0731579A2 Method and apparatus for controlling a digital phase lock loop within a cordless telephone
09/11/1996EP0731569A2 Radio frequency telecommunications transceiver
09/11/1996EP0731565A1 Fully integratable PLL with low jitter
09/11/1996EP0731564A2 Method and apparatus for calculating a divider in a digital phase lock loop
09/11/1996EP0731560A1 Wide frequency range VCO with low jitter
09/10/1996US5555278 Semiconductor circuit having phase lock function
09/10/1996US5555247 Frame synchronizing apparatus for quadrature modulation data communication radio receiver
09/06/1996WO1996021279A3 Frequency synthesizer
09/04/1996EP0729680A1 Source synchronized data transmission circuit
09/04/1996CN1130321A Synchronous scanning circuit
09/03/1996US5553104 Information recording/reproducing apparatus having a clock timing extraction circuit for extracting a clock signal from an input data signal
09/03/1996US5553100 Fully digital data separator and frequency multiplier
09/03/1996US5552785 Digital phase-locked loop utilizing a high order sigma-delta modulator
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