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)
08/1985
08/13/1985US4535459 Signal detection apparatus
08/13/1985US4535306 Phase-locked loop detecting circuit
08/07/1985EP0150560A2 Low noise signal generator
08/06/1985US4534044 Diskette read data recovery system
08/06/1985US4534036 Phase tracking loop impairment monitor for modems
08/06/1985US4533881 Rapid starting variable frequency oscillator with minimum startup perturbations
08/06/1985US4533880 Tuning circuit with frequency synthesizer using d/a converter
08/06/1985US4533879 Integrated circuit kit with a phase-locked loop for color television receivers
08/06/1985US4533873 R.F. Phase shift control system
07/1985
07/30/1985US4532640 Phase tracking loop for digital modem
07/24/1985EP0149087A2 Circuit for time compression or expansion of a video signal
07/23/1985US4531102 Digital phase lock loop system
07/18/1985WO1985003176A1 Multiple frequency digital phase locked loop
07/17/1985EP0148525A2 Digital phase locked loop (DPLL)
07/10/1985EP0147897A2 Phase-locked loop capable of generating a plurality of stable frequency signals
07/10/1985EP0147869A2 Electronic circuit capable of keeping a frequency stable during presence of a burst
07/10/1985EP0094956B1 A method of bringing an oscillator into phase with an incoming signal and an apparatus for carrying out the method
07/09/1985US4528523 Fast tuned phase locked loop frequency control system
07/09/1985US4528521 Precision control frequency synthesizer having an unstable, variable frequency input signal
07/09/1985CA1190288A1 Device for recovery of clock frequency in digital transmission
07/03/1985EP0147307A2 Frequency synthesizer with functional division having a low phase jitter, and use of this synthesizer
07/03/1985EP0146860A2 Wide-band frequency discriminator
07/02/1985US4527277 Timing extraction circuit
07/02/1985US4527127 Frequency acquisition circuit for phase locked loop
07/02/1985CA1189915A1 Swallow counter for a frequency synthesizer
06/1985
06/26/1985EP0146216A1 Improvements relating to phase detecting apparatus for use in synchronising systems
06/25/1985US4525686 Phase-locked loop circuit with variable bandwidth filter
06/25/1985US4525685 Disciplined oscillator system with frequency control and accumulated time control
06/25/1985CA1189577A1 Data tracking clock recovery system using digitally controlled oscillator
06/20/1985WO1985002731A1 Phase regulation circuit
06/18/1985US4524448 Variable delay unit for data synchronizer using phase-sensitive counter to vary the delay
06/18/1985US4524333 Phase-locked loop using integrated switched filter
06/12/1985EP0144158A1 Integrated circuit timing apparatus
06/11/1985US4523322 Interface device for modems
06/11/1985US4523157 PLL out-of-capture range detection and lock acquisition circuit
06/11/1985US4523150 Phase comparator using two capacitors alternately charged via constant current sources
06/04/1985US4521918 Battery saving frequency synthesizer arrangement
06/04/1985US4521745 Interactive non-hierarchical adaptively synchronized oscillator network and phase locked loop oscillator for use therein
05/1985
05/28/1985US4520493 Adaptive recursive frequency offset tracking system
05/28/1985US4520394 Horizontal scanning frequency multiplying circuit
05/28/1985US4520327 Oscillator having manual and automatic frequency control
05/28/1985US4520319 Electronic phase detector having an output which is proportional to the phase difference between two data signals
05/23/1985WO1985002275A1 Synthesized clock microcomputer with power saving
05/22/1985EP0142440A2 Generating device for a frequency being a fraction of a reference frequency
05/21/1985US4519086 MOS Phase lock loop synchronization circuit
05/21/1985US4518998 Method and apparatus for producing a time advanced output pulse train from an input pulse train
05/21/1985US4518929 Frequency synthesizer having overtone crystal oscillator
05/21/1985US4518865 Misoperation prevention circuit
05/15/1985EP0141452A2 Circuit arrangement for a receiver with two phase-locked loops
05/14/1985US4517529 Digital phase/frequency control circuit
05/09/1985WO1985002076A1 Integrated circuit timing apparatus
05/08/1985EP0140567A2 Apparatus for controlling the frequency of a voltage controlled oscillator
05/08/1985EP0140042A2 Digital phase lock loop circuit
05/07/1985US4516084 Frequency synthesizer using an arithmetic frequency synthesizer and plural phase locked loops
05/07/1985US4516083 Fast lock PLL having out of lock detector control of loop filter and divider
05/07/1985CA1186755A1 Voltage controlled oscillator
05/07/1985CA1186752A1 Digital phase-locked loop
05/02/1985EP0139126A2 Phase-locked loops and electrical networks incorporating them
04/1985
04/30/1985US4514706 Second or higher order PLL with increased low and medium frequency gain
04/30/1985US4514705 Low-noise digitally tunable phase-locked loop frequency generator
04/24/1985EP0138346A2 Variable oscillator
04/24/1985EP0138276A2 Controlled oscillator circuit
04/24/1985EP0138008A2 Method and arrangemet for the tuning and the control of the frequency of a signal generator
04/23/1985US4513448 Low power radio synthesizer with harmonic identification feature
04/23/1985US4513447 Simplified frequency scheme for coherent transponders
04/23/1985US4513429 In a communications system
04/23/1985US4513427 Data and clock recovery system for data communication controller
04/23/1985US4513255 Phase locked crystal oscillator implemented with digital logic elements
04/16/1985US4511859 Apparatus for generating a common output signal as a function of any of a plurality of diverse input signals
04/16/1985US4511858 Frequency prepositioning for an indirect frequency synthesizer
04/09/1985US4510463 Automatic gain controlled frequency discriminator for use in a phase locked loop
04/09/1985US4510462 Circuit to minimize local clock frequency disturbances when phase locking to a reference clock circuit
04/09/1985US4510461 Phase lock loop having switchable filters and oscillators
04/02/1985CA1184979A1 Phase comparator
03/1985
03/20/1985EP0134374A1 Phase-locked clock
03/19/1985US4506233 Bandwidth control circuit for a phase locked loop
03/19/1985US4506232 Substrates for protease assay
03/19/1985CA1184260A1 Fractional-division frequency synthesizer for digital angle-modulation
03/12/1985US4504800 Wide band frequency phase locked loop frequency synthesizer
03/12/1985US4504799 Digital frequency/phase locked loop
03/06/1985EP0133799A2 Tuning system on dielectric substrates
03/05/1985US4503453 Digital method and device for correcting the phase error of a sampled signal as applicable to the correction of television signals
03/05/1985US4503403 Optical injection locking of solid-state oscillators by frequency-multiplexed injection-locked, laser diodes
03/05/1985US4503401 Wideband phase locked loop tracking oscillator for radio altimeter
03/05/1985US4503400 Circuit to minimize local clock frequency disturbances when phase locking to a reference clock circuit
02/1985
02/28/1985WO1985000941A1 An interruptible voltage-controlled oscillator
02/28/1985WO1985000940A1 Closed loop power factor control for silicon controlled rectifier drilling rigs
02/19/1985US4500853 Oscillator phase lock system
02/19/1985US4500851 Plural phase lock loop signal regeneration circuit
02/19/1985US4499760 Device and process for high-precision measurement of the phase relationship and phase displacement, respectively, of two pulse trains
02/19/1985CA1182874A1 Synchronisation of electrical oscillators
02/12/1985US4499434 PLL Phase error alarm related to associated receiver
02/12/1985US4499433 Autolock for resonators for frequency standards
02/05/1985US4498103 Slow genlock circuit
02/05/1985US4498059 Circuit to minimize local clock frequency disturbances when phase locking to a reference clock circuit
01/1985
01/29/1985US4496951 Hyperbolic navigation receiver
01/29/1985US4496912 Phase locked loop with oscillator blocking for improved acquisition time
01/23/1985EP0132196A1 Frequency synthesizer for a television receiver
01/22/1985US4495478 Cavity resonator for atomic frequency standard
01/22/1985US4495475 Residual mode phase locked loop
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