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)
03/1990
03/06/1990US4906941 Digital phase locked loop circuit
03/06/1990US4906875 Digital integtrating mixer
02/1990
02/28/1990EP0356042A1 Method and apparatus for synchronising clock signals
02/28/1990EP0355919A1 Device for synchronizing on digital data packets, and playback device comprising the same
02/28/1990EP0355466A2 Integrated circuit with clock generator circuit
02/28/1990CN1040119A Frequency synthesizer with spur compensation
02/27/1990US4904958 Enhanced phase detector
02/27/1990US4904957 Servo device for rapidly, and with low noise, locking the frequency and phase of signal to that of an imposed signal
02/27/1990US4904956 Linear digital frequency sweep synthesizer
02/27/1990US4904955 Circuit for generating two closely adjacent frequencies
02/27/1990CA1266316A1 Digital circuit for correcting phase shift of digital signal
02/22/1990WO1990001834A1 Phase-locked loop circuit
02/20/1990US4903283 Phase determining circuit to generate a phase control signal, and method for generating said signal
02/20/1990US4902986 Phased locked loop to provide precise frequency and phase tracking of two signals
02/20/1990CA1266099A1 Optical pumping cesium resonator and laser diode detection
02/20/1990CA1266098A1 Phase detecting circuit
02/14/1990EP0354233A1 Frequency synthesisers
02/13/1990US4901036 Frequency synthesizer with an interface controller and buffer memory
02/13/1990US4901035 Phase-locked loop control for reading data off storage media
02/13/1990US4901033 Frequency synthesizer with dynamically programmable frequency range of selected loop bandwith
02/13/1990US4901027 Signal generator
02/13/1990US4901026 Phase detector circuit having latched output characteristic
02/08/1990WO1990001235A1 High speed multi-channel phase detector
02/07/1990EP0353807A1 Phase detection circuit for stepwise measurement of a phase relation
02/07/1990EP0353616A1 Method for clock synchronization on a disturbed reference clock
02/07/1990EP0353399A2 Digitally adjustable frequency-dividing arrangement, especially for frequency synthesizers
02/06/1990US4899117 High accuracy frequency standard and clock system
02/06/1990US4899071 Active delay line circuit
02/01/1990DE3825664A1 Phase-locked loop with automatic compensation for nonlinearities
01/1990
01/31/1990EP0353027A2 Programmable time advance
01/31/1990CN1039329A Analog macro embedded in digital gate array
01/30/1990US4897560 Semiconductor integrated circuit with reduced power consumption
01/24/1990EP0351915A1 Starting-up the timing in a device for deriving a clock signal
01/24/1990EP0351780A2 Cesium oscillator
01/24/1990CN1039162A Phase-control circuit
01/24/1990CN1039161A Noise negative-feedback method
01/23/1990US4896337 Adjustable frequency signal generator system with incremental control
01/23/1990CA1264828A1 Phase-control loop
01/23/1990CA1264827A1 Frequency synthesizer
01/17/1990EP0351072A2 Digital phase-locked device and method
01/11/1990WO1990000329A1 Syncrhonizing-signal selection circuit and pll circuit using said selection circuit
01/10/1990EP0349966A2 Synchronisation method for a clock generator, especially a clock generator of a digital telephone exchange
01/10/1990CN1038736A Method of and circuit arrangement for recovering bit clock from received digital communication signal
01/09/1990US4893319 Clock regeneration circuit employing digital phase locked loop
01/09/1990US4893317 Digital signals and frequency correction in a digital wireless system
01/09/1990US4893271 Synthesized clock microcomputer with power saving
01/09/1990US4893094 Frequency synthesizer with control of start-up battery saving operations
01/09/1990US4893087 Low voltage and low power frequency synthesizer
01/09/1990US4893030 Biasing circuit for generating precise currents in an integrated circuit
01/04/1990DE3822293A1 Digital phase locked loop
01/02/1990US4891825 Fully synchronized programmable counter with a near 50% duty cycle output signal
01/02/1990US4891824 Muting control circuit
01/02/1990US4891608 #6 Control circuit for horizontal oscillator
12/1989
12/28/1989WO1989012931A1 Fast locking phase-locked loop utilizing frequency estimation
12/28/1989WO1989012930A1 Phase synchronous oscillator
12/27/1989EP0347737A2 Synchronisation method for a clock generator, especially of a clock generator of a digital telephone exchange
12/26/1989US4890305 Dual-tracking phase-locked loop
12/26/1989US4890072 Phase locked loop having a fast lock current reduction and clamping circuit
12/26/1989US4890071 Signal generator utilizing a combined phase locked and frequency locked loop
12/21/1989DE3820583A1 High-frequency generator
12/20/1989EP0347085A2 Integrated circuit
12/20/1989EP0346682A1 Circuit arrangement for the adjustment of the phase of a signal
12/20/1989EP0346664A1 Phase-controlling loop
12/20/1989EP0346623A2 A circuit for high-efficiency tuning video frequencies
12/20/1989CN1038171A Distant tracking method for continuously finding moving object
12/19/1989US4888565 Apparatus for generating ultrasonic signals
12/19/1989US4888564 Phase-locked loop circuit
12/18/1989WO1989012932A1 Phase-control circuit
12/14/1989WO1989012362A1 Frequency synthesizer with spur compensation
12/13/1989EP0346153A2 Digital phase locked loop circuit
12/13/1989EP0345940A2 A frequency signal synthesiser
12/13/1989EP0345564A2 Method and device for the recuperation of a bit clock from a digital telecommunication signal
12/12/1989US4887050 Frequency control apparatus and method for a digital radio receiver
12/12/1989US4887042 High speed multi-channel phase detector
12/12/1989CA1263900A1 Subscriber unit for wireless digital telephone system
12/07/1989DE3818089A1 Circuit arrangement for the phase synchronisation of clock pulses
12/06/1989EP0344509A2 Frequency synthesizer with spur compensation
12/06/1989EP0344495A2 Phase detector
12/05/1989US4885554 Phase-offset signal generator
12/05/1989US4885553 Continuously adaptive phase locked loop synthesizer
12/05/1989US4885552 Oscillator phase control loop having plural switched current sources
11/1989
11/30/1989WO1989011756A1 Automatically self-calibrating oscillators in heterodyned radio receivers
11/29/1989EP0187842B1 Loran c cycle slip reduction technique
11/29/1989EP0173699B1 Precision control frequency synthesizer having an unstable, variable frequency input signal
11/28/1989US4884042 Dual port voltage controlled emitter coupled multivibrator
11/28/1989CA1263454A1 Phase discriminator and data standardizer
11/23/1989EP0342740A2 Circuit arrangement for the synchronisation of a frequency controlled oscillator
11/23/1989EP0342736A1 Phase-locked-loop cicuit and bit-detection arrangement comprising such a phase-locked-loop circuit
11/23/1989EP0342626A2 Voltage controlled oscillator circuit
11/21/1989US4882549 Center offset microwave frequency synthesizer
11/21/1989US4882546 Demodulation clock generator circuit
11/16/1989DE3914693A1 Zweinorm-generator zur frequenzumsetzung, insbesondere fuer ein gemaschtes fernsehnetz Two standard generator for frequency conversion, especially for a gemaschtes television network
11/15/1989EP0341834A2 Phase locked loop with bandwidth ramp
11/14/1989US4881272 Multi-band FM receiver for receiving FM broadcasting signals and TV broadcasting sound signals
11/14/1989US4881240 AM equalizer circuit for digital systems
11/14/1989US4881162 Frequency control system
11/14/1989US4881048 Oscillator frequency locking and prepositioning circuit
11/14/1989US4881042 Automatically tunable phase locked loop FM detection system
11/08/1989EP0340870A2 Digital frequency synthesizer and digital modulator using same
11/08/1989EP0340846A1 Frequency demodulation circuit
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