Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
12/1992
12/01/1992CA1311020C Integratable phase-locked loop
11/1992
11/25/1992EP0515074A2 Frequency controlled oscillator for high frequency phase-locked loop
11/24/1992US5166644 Pll synthesizer circuit
11/24/1992US5166643 Remotely controlled C band signal generator
11/24/1992US5166642 Multiple accumulator fractional N synthesis with series recombination
11/24/1992US5166641 Phase-locked loop with automatic phase offset calibration
11/24/1992CA1310746C Phase locked loop with bandwidth ramp
11/19/1992EP0513791A2 Phase locked loop
11/17/1992US5165051 Modified fast frequency acquisition via adaptive least squares algorithm
11/17/1992US5164966 Nrz clock and data recovery system employing phase lock loop
11/17/1992US5164889 Gate multiplexed low noise charge pump
11/17/1992US5164685 Phase-locked loop with circuit for adjusting a phase comparator's output amplitude
11/17/1992US5164684 Phased-locked oscillation circuit system with measure against shut-off of input clock
11/11/1992EP0512624A1 Television receiver with automatic tuning control
11/11/1992EP0512621A2 Digital phase locked loop, and digital oscillator arranged to be used in the digital phase locked loop
11/10/1992US5163169 Frequency divider having the power supply connected to the gaas substrate
11/10/1992US5163160 Satellite transponder able to use same frequency scheme for transmitter and receiver local oscillator
11/10/1992US5163074 Dynamic frequency divider circuit with capacitor in loop to achieve fifty percent duty cycle output
11/10/1992US5162910 Synchronizing circuit
11/10/1992US5162762 Phase-lock loop with adaptive scaling element
11/10/1992US5162746 Digitally controlled crystal-based jitter attenuator
11/04/1992WO1992020144A1 Digital frequency synthesizer having afc and modulation applied to frequency divider
11/04/1992EP0511798A2 Clock generation circuit for multistandard serial digital video with automatic format identification
11/04/1992EP0511786A2 Apparatus and method for timing distribution over an asynchronous ring
11/03/1992US5161175 Circuit and method of detecting an invalid clock signal
11/03/1992US5160902 Voltage controlled oscillator with controlled capacitance ratio in positive feedback loop to broaden bandwidth
11/03/1992US5160900 Method to speed up the training of a shift oscillator in a frequency synthesizer
11/03/1992US5160894 Digital frequency synthesizer and method of frequency synthesis
10/1992
10/29/1992DE4113865A1 Microwave oscillator with VCO and phase discriminator - has members relating reference and output frequencies for frequency band dividing
10/28/1992EP0510836A2 Voltage-controlled oscillator system
10/27/1992US5159705 Frequency synthesizer circuit
10/27/1992US5159292 Adaptive phase locked loop
10/27/1992US5159291 Digitally controlled timing recovery loop with low intrinsic jitter and high jitter tolerance
10/27/1992US5159279 Apparatus and method for detecting out-of-lock condition in a phase lock loop
10/27/1992US5159205 Timing generator circuit including adjustable tapped delay line within phase lock loop to control timing of signals in the tapped delay line
10/21/1992EP0509706A2 Telephone communication system having an enhanced timing circuit
10/20/1992US5157355 Phase-locked loop device having stability over wide frequency range
10/20/1992US5157354 Phase-locked loop IC having ECL buffers
10/20/1992US5157342 Precision digital phase lock loop circuit
10/20/1992US5157341 Phase detector
10/20/1992US5157290 Phase detector
10/20/1992US5157277 Clock buffer with adjustable delay and fixed duty cycle output
10/20/1992CA1309169C Television synchronizing arrangement
10/15/1992DE4111920A1 Millimetre wavelength frequency division e.g. for vehicle sensing system - using auxiliary oscillator, N-harmonic mixer and frequency divider to produce N-divided frequency
10/14/1992EP0508767A2 Synchronizing clock generator
10/13/1992US5155466 Automatic frequency control system
10/13/1992US5155452 Linearized and delay compensated all CMOS VCO
10/13/1992US5155451 Circuit and method for dynamically generating a clock signal
10/09/1992WO1992017967A1 Multi-level symbol synchronizer
10/08/1992DE3814577A1 Analoger frequenz/phasen-detektor und verwendung desselben in einer phasenverriegelungsschleife Analog frequency / phase detector and using the same in a phase locked loop
10/07/1992EP0507686A1 Automatic arrangement for phase locking the output signal of a circuit
10/07/1992EP0507511A2 Digital signed phase-to-frequency converter for very high frequency phase locked loops
10/07/1992EP0480012A4 Multiaccumulator sigma-delta fractional-n synthesis
10/07/1992EP0277204B1 Microwave diode oscillator
10/06/1992US5153824 High stability clock synchronized on an external synchronization signal
10/06/1992US5153534 High frequency VCO circuit
10/06/1992US5153530 Phase locked loop system having an oscillator providing a phase adjustable output under control of a charge pump circuit
10/06/1992US5153526 Numerical control type oscillator apparatus
10/06/1992US5153468 Method and a circuit for reducing microphony
10/06/1992CA2064964A1 Automatic feedback phase control in a circuit
10/06/1992CA1308448C Method of and circuit arrangement for recovering a bit clock from a received digital communication signal
09/1992
09/30/1992EP0506501A1 Phase-comparator with wide dynamic range
09/29/1992US5152005 High resolution frequency synthesis
09/29/1992US5151665 Phase-lock-loop system with variable bandwidth and charge pump parameters
09/29/1992US5151624 Multiplier circuit
09/29/1992CA1308177C Fast frequency settling signal generator utilizing a frequency locked-loop
09/22/1992US5150386 Clock multiplier/jitter attenuator
09/22/1992US5150080 Frequency agile switched resonator oscillator with noise degeneration
09/22/1992US5150078 Low noise fine frequency step synthesizer
09/22/1992US5149964 Microwave interaction module, in particular for an atomic or molecular beam resonator
09/17/1992DE4108129A1 Phase regulation system for variable frequency - uses adder combining phase regulation and frequency regulation signals
09/16/1992EP0503416A1 Phase locked loop demodulator
09/15/1992US5148437 Laser pumped atomic frequency standard with high frequency stability
09/15/1992US5148334 Phase synchronization circuit
09/15/1992US5148276 Synchronous signal generator for the muse signal
09/15/1992US5148123 Negative feedback control loop acquisition aid
09/15/1992US5148122 Atomic beam frequency standard having RF chain with higher frequency oscillator
09/10/1992DE4106850A1 Synchronisation device for free-running phase regulation circuit - has phase angle corrected for transmission path delay
09/09/1992EP0502739A2 NRZ clock and data recovery system employing phase lock loop
09/09/1992EP0502732A1 Pulse generator
09/09/1992EP0502631A2 Sampling phase detector
09/09/1992EP0501991A1 Frequency synthesizer
09/09/1992CA2062342A1 Phase loop demodulator
09/08/1992US5146189 Oscillator circuit with volatge controlled frequency
09/08/1992US5146187 Synthesizer loop filter for scanning receivers
09/08/1992US5146186 Programmable-step, high-resolution frequency synthesizer which substantially eliminates spurious frequencies without adversely affecting phase noise
09/08/1992US5146185 Frequency standard
09/08/1992US5146184 Atomic clock system with improved servo system
09/08/1992US5146183 Phase lock loop for sector servo system
09/08/1992US5146121 Signal delay apparatus employing a phase locked loop
09/08/1992CA2061909A1 Nrz clock and data recovery system employing phase lock loop
09/08/1992CA1307327C Digital phase locked loop
09/08/1992CA1307326C Low noise device for quickly locking the frequency and phase of a signal onto a given signal
09/03/1992DE4105566A1 HF oscillator with output frequency converted to IF - generates reference frequency of sampling synthesiser by division of pure fixed frequency
09/01/1992US5144261 Optically injection locked resonant tunnel diode oscillator
09/01/1992US5144260 Method and apparatus for perturbation cancellation of a phase locked oscillator
09/01/1992US5144254 Dual synthesizer including programmable counters which are controlled by means of calculated input controls
09/01/1992US5144156 Phase synchronizing circuit with feedback to control charge pump
08/1992
08/26/1992EP0500516A2 Broad band frequency synthesizer for quick frequency retuning
08/26/1992EP0500473A1 Phase/frequency comparator for a clock recovery circuit