Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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01/07/1998 | CN1169622A Frequency synthesizing device |
01/06/1998 | US5706485 Method and apparatus for synchronizing clock signals in a multiple die circuit including a stop clock feature |
01/06/1998 | US5706035 Display control apparatus |
01/06/1998 | US5705956 Neural network based PLL |
01/06/1998 | US5705955 For conserving power resources in a transmission circuit |
01/06/1998 | US5705947 Clock generator |
01/06/1998 | US5705896 Control electronic ballast system using feedback |
01/02/1998 | DE19708650A1 Standard frequency generator for radio communications transceiver |
12/31/1997 | WO1997050187A1 Satellite receiver |
12/31/1997 | CN2271780Y Phase locking loop device capable of lapping audio-visual equipment |
12/31/1997 | CN2271779Y Synchronous transmission control device bottle-making machine |
12/31/1997 | CN1169216A Wide frequency spectrum TV tuner with single local oscillator |
12/30/1997 | US5703540 Voltage-controlled crystal oscillator with extended range |
12/30/1997 | US5703539 Apparatus and method for controlling the loop bandwidth of a phase locked loop |
12/30/1997 | US5703538 Radar exciter local oscillator phase lock acquisition control circuit |
12/30/1997 | US5703537 Phase-locked loop clock circuit for generation of audio sampling clock signals from video reference signals |
12/30/1997 | US5703514 Digital frequency divider phase shifter |
12/30/1997 | US5703511 Charge pump circuit, PLL circuit with charge pump circuit, and semiconductor integrated circuit with charge pump circuit |
12/30/1997 | US5703480 Method and arrangement for determining the phase difference between clock signals in a communication equipment |
12/23/1997 | US5701602 For controlling frequency of an input signal |
12/23/1997 | US5701598 Scanning receiver with direct digital frequency synthesis and digital signal processing |
12/23/1997 | CA2065853C Asynchronous signal extracting circuit |
12/23/1997 | CA2052589C Rate conversion apparatus |
12/17/1997 | EP0813303A1 Voltage-controlled oscillator and non-contact IC card including voltage-controlled oscillator |
12/17/1997 | EP0777942A4 Method of programming a frequency synthesizer and a radio having a frequency synthesizer |
12/17/1997 | CN1168028A Voltage-controllor and non-contact IC card including voltage-controlled oscillator |
12/17/1997 | CN1168027A Timing recovery system for digital signal processor |
12/16/1997 | US5699392 Method and system for the recovery of an encoder clock from an MPEG-2 transport stream |
12/16/1997 | US5699387 Phase offset cancellation technique for reducing low frequency jitters |
12/16/1997 | US5699054 For receiving an activation signal |
12/16/1997 | US5699020 Phase latched differential charge pump circuit and method |
12/11/1997 | WO1997047089A1 Phase locked loop circuit |
12/10/1997 | EP0812066A1 High-frequency device |
12/09/1997 | US5697082 Self-calibrating frequency standard system |
12/09/1997 | US5697068 System and method for providing a non-invasively tunable transceiver synthesizer |
12/09/1997 | US5696793 Phase difference detection circuit for extended partial-response class-4 signaling system |
12/09/1997 | US5696468 Method and apparatus for autocalibrating the center frequency of a voltage controlled oscillator of a phase locked loop |
12/09/1997 | US5696462 Serial clock synchronization circuit |
12/04/1997 | WO1997045959A1 Microcontroller having a minimal number of external components |
12/04/1997 | DE19703986A1 Signal shaper for input signal wave form reshaping |
12/04/1997 | DE19630397C1 Count difference provision system for digital transmission system |
12/03/1997 | EP0810736A1 PLL frequency synthesizer |
12/03/1997 | EP0809886A1 A fast sigma-delta modulator having a controlled clock generator |
12/03/1997 | CN1166736A Synchronous modulation method and apparatus for in-line regeneration of WDM soliton signal, and optical telecommunications system using the method |
12/02/1997 | US5694441 Phase synchronizing apparatus, decoder and semiconductor integrated circuit device |
12/02/1997 | US5694440 Data synchronizer lock detector and method of operation thereof |
12/02/1997 | US5694089 Fast frequency switching synthesizer |
12/02/1997 | US5694088 Phase locked loop with improved phase-frequency detection |
12/02/1997 | US5694087 Anti-latching mechanism for phase lock loops |
12/02/1997 | US5694086 Precision, analog CMOS one-shot and phase locked loop including the same |
12/02/1997 | US5694068 Digital phase-locked loop (PLL) having multilevel phase comparators |
12/02/1997 | US5694062 Self-timed phase detector and method |
12/02/1997 | US5694036 Direction sensor and distortion reduction control circuitry |
11/27/1997 | WO1997044930A1 Frequency generating circuit |
11/27/1997 | WO1997044904A1 Microcontroller with firmware selectable oscillator trimming |
11/27/1997 | WO1997044893A1 Method and apparatus for controlling a phase lock loop |
11/26/1997 | EP0809363A2 Control circuit for PLL synthesizer apparatus |
11/26/1997 | CN1166119A Frequency generator of radio communication system |
11/26/1997 | CN1166093A Method and apparatus for temperature compensation of reference oscillator in communication device |
11/26/1997 | CN1166091A Phase locked loop circuit |
11/26/1997 | CN1036561C Automatic frequency control appts. |
11/25/1997 | US5692165 Memory controller with low skew control signal |
11/25/1997 | US5692023 Phase locked loop including distributed phase correction pulses for reducing output ripple |
11/25/1997 | US5691669 Dual adjust current controlled phase locked loop |
11/25/1997 | US5691660 Clock synchronization scheme for fractional multiplication systems |
11/20/1997 | WO1997043740A1 Radio frequency data communications device |
11/20/1997 | DE19619408A1 Frequency synthesiser circuit e.g. for radio receiver |
11/19/1997 | EP0808030A2 A radio frequency noise reduction arrangement |
11/19/1997 | CN1165438A Frequency converter for outputting stable frequency |
11/18/1997 | US5689536 Clock supply apparatus indicating and transmitting preciseness of generated clock signal |
11/18/1997 | US5689533 Refined timing recovery circuit |
11/18/1997 | US5689309 Control circuit for mixing two video signals |
11/18/1997 | CA2150818C Automatic frequency control apparatus |
11/13/1997 | WO1997042710A1 Multiple input frequency locked loop |
11/13/1997 | DE19617635A1 Phase-locked loop with differential loop filter |
11/12/1997 | EP0806837A2 Semiconductor integrated circuit operable as a phase-locked loop |
11/12/1997 | EP0806082A1 Wide frequency spectrum television tuner with single local oscillator |
11/12/1997 | EP0587680B1 Method and apparatus for detecting a sequence of clock reference pulses |
11/11/1997 | US5687203 Digital phase locked loop circuit |
11/11/1997 | US5687202 Programmable phase shift clock generator |
11/11/1997 | US5687201 Phase-locked-loop with linear combination of charge pump and current controlled oscillator |
11/11/1997 | US5686903 Trainable RF transceiver |
11/11/1997 | US5686868 Semiconductor integrated circuit having VCO coupled through capacitance and buffer circuits |
11/11/1997 | US5686867 Regulated supply for voltage controlled oscillator |
11/11/1997 | US5686866 Phase locked loop providing fast tuning for large frequency changes |
11/11/1997 | US5686865 Phase synchronous circuit |
11/11/1997 | US5686864 Method and apparatus for controlling a voltage controlled oscillator tuning range in a frequency synthesizer |
11/11/1997 | US5686862 FM demodulator integrated on semiconductor chip without discrete circuit components |
11/11/1997 | US5686849 Circuit for clock signal extraction from a high speed data stream |
11/06/1997 | WO1997041665A1 D.t.r.m. data timing recovery module |
11/06/1997 | WO1997041551A1 Apparatus for reproducing a digital information signal from a record carrier |
11/06/1997 | DE19653134A1 PLL circuit for improving phase synchronisation time |
11/06/1997 | CA2252920A1 D.t.r.m. data timing recovery module |
11/05/1997 | EP0805570A1 Digital phase locked loop for clock recovery |
11/05/1997 | EP0805560A2 Digital PLL circuit and initial setting method |
11/05/1997 | EP0805553A1 Voltage-controlled oscillator and phase lock circuit incorporating this oscillator |
11/05/1997 | EP0805438A2 Servo circuit, digital PLL circuit and optical disk device |
11/05/1997 | EP0804740A1 Handheld vector network analyzer |
11/05/1997 | CN1036368C Synchronized horizontal scanning at horizontal frequency multiples |
11/04/1997 | US5684844 Phase-locking method and a loop applying the method |