Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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02/28/1995 | US5394117 Direct digital synthesizer-based injection locked oscillator |
02/28/1995 | US5394116 Fractional phase shift ring oscillator arrangement |
02/28/1995 | US5394115 Automatic sweep acquisition circuit for a phase-locked-loop |
02/28/1995 | US5394114 One nanosecond resolution programmable waveform generator |
02/28/1995 | US5394106 Apparatus and method for synthesis of signals with programmable periods |
02/28/1995 | US5394024 Circuit for eliminating off-chip to on-chip clock skew |
02/22/1995 | EP0419622B1 Frequency synthesisers with fractional division |
02/21/1995 | US5392171 Fully integrated programmable filters for disc drive subsystems |
02/21/1995 | US5391996 Techniques for generating two high frequency signals with a constant phase difference over a wide frequency band |
02/15/1995 | EP0639004A1 Digital time delay apparatus and method |
02/15/1995 | EP0626113A4 Self-compensating digital delay semiconductor device with selectable output delays and method therefor. |
02/15/1995 | CN1098838A Clock apparatus for a compressed video signal |
02/15/1995 | CN1098789A Automatic microwave tracking and position system |
02/14/1995 | US5390168 Radio frequency transmission circuit |
02/14/1995 | US5389899 Frequency synthesizer having quick frequency pull in and phase lock-in |
02/14/1995 | US5389898 Phase locked loop having plural selectable voltage controlled oscillators |
02/14/1995 | US5389897 Method of and apparatus for limiting the free running frequency in multiplying phase-locked loop circuits |
02/09/1995 | WO1995004405A1 Method and apparatus for charge pump with reduced charge injection |
02/09/1995 | WO1995004256A1 Capacitive displacement sensor |
02/08/1995 | EP0637882A1 Automatic frequency control arrangement |
02/08/1995 | EP0637877A1 Device for contactless transfer of signals and energy |
02/08/1995 | EP0637876A1 A phase locked loop and method of operation |
02/08/1995 | EP0637792A1 Phase control apparatus |
02/08/1995 | EP0626112A4 Compensated digital delay semiconductor device with selectable output taps and method therefor. |
02/07/1995 | US5388249 Data processing system generating clock signal from an input clock, phase locked to the input clock and used for clocking logic devices |
02/07/1995 | US5388127 Digital timing recovery circuit |
02/07/1995 | US5388103 Frequency stabilizer for use in phase-shift keying radio communications system |
02/07/1995 | US5387881 Atomic frequency standard |
02/07/1995 | CA2053748C Pll frequency synthesizer capable of changing an output frequency at a high speed |
02/02/1995 | WO1995003670A1 Apparatus and method for producing periodic synchronization references forming a synchronization signal |
02/01/1995 | EP0637138A1 A lock detect circuit |
02/01/1995 | EP0637137A2 Low-power, jitter-compensated phase locked loop and method therefor |
02/01/1995 | EP0390800B1 Integratable phase-locked loop |
01/31/1995 | US5386437 Phase-locked loop circuit |
01/26/1995 | DE4324527A1 Frequency conditioning arrangement for two frequency bands |
01/24/1995 | US5384551 Fast locking phase locked loop frequency synthesizer |
01/24/1995 | US5384550 Loop transient response estimator for improved acquisition performance |
01/24/1995 | US5384502 Phase locked loop circuitry with split loop filter |
01/19/1995 | WO1995002282A1 Harmonic frequency synthesizer with adjustable frequency offset |
01/18/1995 | EP0634834A1 Linear, voltage-controlled oscillator |
01/18/1995 | CN1027479C Temperature compensation of a crystal reference using direct digital synthesis |
01/18/1995 | CN1027470C Integrated poly-phase power meter |
01/17/1995 | US5382923 Charge-pump circuit for use in phase locked loop |
01/17/1995 | US5382922 Calibration systems and methods for setting PLL gain characteristics and center frequency |
01/17/1995 | US5382921 Automatic selection of an operating frequency in a low-gain broadband phase lock loop system |
01/17/1995 | CA2057013C Synthesized selective call receiver having variable characteristics |
01/10/1995 | US5381181 Clock recovery apparatus as for a compressed video signal |
01/10/1995 | US5381116 Method and apparatus for performing frequency tracking in an all digital phase lock loop |
01/10/1995 | CA2056739C Fault-tolerant wideband radar microwave signal generator |
01/10/1995 | CA2038585C Signal detecting circuit for detecting a signal specified in a designated frequency |
01/05/1995 | WO1995001047A2 A method and a device for converting a picture |
01/05/1995 | DE4319344A1 Method for measuring a phase difference |
01/04/1995 | EP0632378A2 Multiple frequency output clock generator system |
01/04/1995 | EP0631701A1 Atomic beam resonator, particularly a cesium beam resonator |
01/03/1995 | US5379325 Clock generating apparatus, data transmitting/receiving apparatus and data transmitting/receiving method |
01/03/1995 | US5379003 VCO and buffer having noise filter on power supply line |
01/03/1995 | US5379002 Frequency synthesizer using intermittently controlled phase locked loop |
01/03/1995 | US5379000 Atomic clock employing ion trap of mono- or multi-planar geometry |
01/03/1995 | CA2124746A1 Multiple frequency output clock generator system |
12/28/1994 | EP0631407A2 Method and device for phase-exact commutation of homogeneous pulses with different phase relation |
12/28/1994 | EP0631387A1 Automatic frequency control using split-band signal strength measurements |
12/28/1994 | EP0536301B1 Method and apparatus for storing a digital signal for use in a synchronous delay line |
12/27/1994 | US5376974 Phase-locked looped synchronous video detector circuit |
12/27/1994 | US5376891 Phase-sensitive rectifier arrangement with integration effect |
12/27/1994 | US5376848 Delay matching circuit |
12/27/1994 | US5376834 Initialization circuit for automatically establishing an output to zero or desired reference potential |
12/22/1994 | WO1994029964A1 Process for enhancing the noise immunity of a phase-locked loop and device for applying same. |
12/22/1994 | WO1994026041A3 A phase lock loop with idle mode of operation during vertical blanking |
12/22/1994 | DE4011572A1 Frequency synthesis circuit |
12/21/1994 | EP0630129A2 Method for generating a synchronised clock signal with a circuit for an adjustable oscillator |
12/21/1994 | EP0629991A1 Synchronisation apparatus working over a wide range of frequencies |
12/21/1994 | EP0629321A1 Circuit, counter and frequency synthesizer with adjustable bias current |
12/20/1994 | US5375148 VCO bias generator in a phase lock loop |
12/20/1994 | US5374905 Phase locked loop motor control circuit for tuning cavity resonator |
12/20/1994 | US5374904 Phase-locked-loop circuit having adjustable reference clock signal frequency and filter capacitance compensation |
12/20/1994 | US5374903 Generation of wideband linear frequency modulation signals |
12/20/1994 | US5374902 For providing an output signal |
12/20/1994 | US5374901 Semiconductor device |
12/20/1994 | US5374900 Phase window test circuit |
12/20/1994 | US5374860 Multi-tap digital delay line |
12/15/1994 | DE4319066A1 Circuit arrangement for a controllable oscillator |
12/13/1994 | US5373537 Method and apparatus for the synchronization of a clock means of a telecommunication switching system |
12/13/1994 | US5373261 Direct optical injection locked fet oscillator |
12/13/1994 | US5373259 Voltage controlled oscillator with dissimilar varactor diodes |
12/13/1994 | US5373258 Method and apparatus for slaving the frequency and phase of an oscillator to a reference signal |
12/13/1994 | US5373257 Phase synchronization circuit having a loop filter including two voltage/current converters |
12/13/1994 | US5373256 PLL frequency synthesizer having a main loop and a secondary loop |
12/13/1994 | US5373255 Low-power, jitter-compensated phase locked loop and method therefor |
12/13/1994 | US5373254 Method and apparatus for controlling phase of a system clock signal for switching the system clock signal |
12/08/1994 | WO1994028433A1 Gps synchronized frequency/time source |
12/07/1994 | EP0627820A2 A charge pump with a programmable pump current and system |
12/07/1994 | EP0627137A1 Digitally controlled phase shifter |
12/06/1994 | US5371480 Step controlled signal generator |
12/06/1994 | US5371425 Digital damping method and apparatus for phase-locked loops |
12/06/1994 | US5371417 Multiple frequency output clock generator system |
12/06/1994 | US5371416 Circuit and method of synchronizing clock signals |
12/06/1994 | CA2059273C Phase detector |
12/06/1994 | CA2043054C Phase-lock loop device operable at a high speed |
11/30/1994 | EP0626762A1 Fast tuned, injection locked, synthesised oscillator |
11/30/1994 | EP0626761A1 Arrangement for synchronising two clocked apparatuses |