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)
10/1995
10/10/1995US5457430 Method and apparatus for reduction of light intensity decay in optical pumping devices
10/10/1995US5457429 Ring oscillator circuit for VCO
10/10/1995US5457428 Method and apparatus for the reduction of time interval error in a phase locked loop circuit
10/05/1995DE3690492C2 Phase comparator lock detect circuit and synthesiser
10/04/1995EP0675542A2 Semiconductor device having digital and analog circuits
10/04/1995EP0675423A1 Apparatus and method for generating a clock in a microprocessor
10/04/1995EP0674817A1 Low power electronic circuit comprising a resonant system and a function circuitry
10/03/1995US5455840 Method of compensating a phase of a system clock in an information processing system, apparatus employing the same and system clock generator
10/03/1995US5455541 Frequency synthesizer having a frequency generator with N multipliers
10/03/1995US5455540 Modified bang-bang phase detector with ternary output
10/03/1995CA2034127C Current-pulse integrating
09/1995
09/28/1995WO1995022855A3 Apparatus and methods for improving timing recovery of a system clock
09/28/1995DE4409937A1 Generating phase coherent sinusoidal half waves
09/27/1995EP0674392A1 Phase locked loop
09/27/1995CN1109229A Asynchronous digital threshold detector for a digital data storage channel
09/26/1995US5453714 Binary FM demodulator with self-adjusting resonant operating frequency according to demodulated binary output signal duty cycle
09/26/1995US5453680 Charge pump circuit and method
09/20/1995EP0673121A2 Phase lock detector
09/20/1995EP0673120A1 Phase locked loop comprising an additional frequency discrimination
09/20/1995EP0539403B1 Fractional-n synthesizer having modulation spur compensation
09/19/1995US5452331 Symbol lock detection implemented with nonoverlapping integration intervals
09/19/1995US5452326 Digital PLL circuit with low power consumption
09/19/1995US5452325 Averaging zero phase start for phase locked loops
09/19/1995US5452324 Packet data recovery system
09/19/1995US5451912 Methods and apparatus for a programmable frequency generator that requires no dedicated programming pins
09/19/1995US5451911 Timing generator
09/19/1995US5451910 Frequency synthesizer with comb spectrum mixer and fractional comb frequency offset
09/19/1995US5451894 Digital full range rotating phase shifter
09/13/1995EP0671848A1 Automatic digital frequency control circuit
09/13/1995EP0671829A2 Clock regeneration circuit
09/13/1995EP0671828A1 Method and apparatus for improving the apparent accuracy of a data receiver clock circuit
09/13/1995EP0671079A1 An oscillator unit for a base station in a digital cellular radio network
09/13/1995EP0526573B1 Clock recovery circuit without jitter peaking
09/13/1995EP0483260B1 Phase detector
09/12/1995US5450617 Method and apparatus for closed loop frequency control in a two-way communication system
09/12/1995US5450452 Digital loop filter and digital PLL circuit using the same
09/12/1995US5450447 In a radio communication receiver
09/12/1995US5450227 Optically injection-locked self-oscillating dual-gate MESFET mixer
09/12/1995US5450137 Signal processing apparatus
09/06/1995EP0670635A2 Phase-locked loop oscillator, and moving-average circuit, and division-ratio equalization circuit suitable for use in the same
09/06/1995EP0670629A1 Phase locked loop
09/06/1995CN1108018A D/A for controlling an oscillator in a phase locked loop
09/05/1995US5448763 Apparatus and method for operating a phase locked loop frequency synthesizer responsive to radio frequency channel spacing
09/05/1995US5448598 Analog PLL clock recovery circuit and a LAN transceiver employing the same
09/05/1995US5448204 Frequency correlated precision current reference
09/05/1995US5448193 Integrated circuit
09/05/1995US5448191 Frequency synthesizer using noninteger division and phase selection
08/1995
08/31/1995WO1995023370A1 Method to control a computer having an adjustable clock generator and a microprocessor system
08/30/1995EP0669732A2 A method and apparatus for deriving a phase difference and a digital filter circuit
08/30/1995EP0669722A2 PLL circuit having shortened locking time
08/30/1995EP0669721A2 Oscillator, synthesizer tuner circuit and AM synchronous detect circuit employing the oscillator
08/29/1995US5446867 Microprocessor PLL clock circuit with selectable delayed feedback
08/29/1995US5446767 Frequency synthesizer
08/29/1995US5446417 Controlled oscillator
08/29/1995US5446416 Time acquisition system with dual-loop for independent frequency phase lock
08/29/1995US5446411 Frequency tuning for a phase locked loop FM demodulator
08/24/1995WO1995022855A2 Apparatus and methods for improving timing recovery of a system clock
08/23/1995CN1107236A Evanescent-field interrogator for atomic frequency standards
08/22/1995US5444744 Phase locked loop for synchronizing with carrier wave
08/22/1995US5444420 Numerically controlled phase lock loop synthesizer/modulator and method
08/17/1995WO1995022206A1 Delay-locked loop
08/17/1995WO1995022196A1 Continuous phase modulation device using a frequency synthesizer with a phase-locked loop
08/17/1995WO1995022064A1 A phase detector with minimized phase detection error
08/17/1995DE19505308A1 Impulse generating device for digitally controlled PLL
08/16/1995EP0667061A1 Pll system
08/15/1995US5442612 Digital signal reproduction devices, integrated circuits for use therewith, and digital signal reproduction methods
08/15/1995US5442326 Atomic time standard with piezoelectric stabilization of diode laser light source
08/15/1995US5442325 Voltage-controlled oscillator and system with reduced sensitivity to power supply variation
08/15/1995US5442324 Digital-controlled oscillator
08/15/1995US5442315 Bit stream rate asynchronous digital phase-locked loop
08/09/1995EP0474671B1 Dual state phase detector having frequency steering capability
08/08/1995US5440313 GPS synchronized frequency/time source
08/08/1995US5440274 Phase detector circuit and PLL circuit equipped therewith
08/08/1995US5440266 Demodulating apparatus having quick pull-in synchronization facility at instantaneous disconnection of input signal
08/03/1995DE19502111A1 TDMA transceiver with PLL
08/02/1995EP0665652A1 Injection-locked oscillator
08/02/1995EP0665651A2 Phased locked loop synthesizer using a digital rate multiplier reference circuit
08/02/1995EP0665650A1 Low voltage high speed phase frequency detector
08/02/1995EP0665638A1 Voltage controlled oscillator with low operating supply voltage
08/01/1995US5438703 Radio with reduced frequency pull
08/01/1995US5438601 Reference clock frequency divider
08/01/1995US5438300 Digital frequency multiplier utilizing digital controlled oscillator
08/01/1995US5438299 Phase-locked loop circuit
08/01/1995US5438285 Phase/frequency comparator
07/1995
07/27/1995WO1995020269A1 Adjustable frequency synthesizer
07/27/1995DE4427972C1 Clock recovery from serial data stream by integrable phasing circuit
07/26/1995EP0664618A1 Local oscillation frequency synthesizer
07/26/1995EP0664617A2 PLL synthesizer
07/26/1995EP0664616A2 Phase-lock loop initialized by a calibrated oscillator-control value
07/25/1995US5436938 Phase error detector for a phase locked loop
07/25/1995US5436937 Multi-mode digital phase lock loop
07/25/1995US5436821 Low-power charge pump circuit and low-power booster method
07/25/1995US5436628 Programmable frequency timing generator with phase adjust
07/25/1995US5436598 Phase lock loop circuit for signals periodically inverting in phase
07/25/1995US5436597 Pro-capture circuit for phase locked loop circuits
07/25/1995US5436596 PLL with stable phase discriminator
07/25/1995CA2014376C Ultrasonic power supply
07/20/1995WO1995019676A1 Higher order digital phase loop filter
07/19/1995EP0663776A2 Method for communicating block coded digital data with associated synchronization/control data
07/19/1995EP0663744A1 Signal processing device having PLL circuits
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