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)
05/1995
05/09/1995CA2048647C Fractional-division synthesizer for a voice/data communications system
05/04/1995WO1995012263A1 Standing sine wave clock bus for clock distribution systems
05/04/1995WO1995012253A1 Automatic frequency control apparatus
05/04/1995WO1995012243A1 Fractional-n frequency synthesis with residual error correction
05/03/1995EP0651517A1 Clock signal generation circuit having detective circuit detecting loss of reference clock
05/03/1995EP0651516A1 Clock synchronisation
05/03/1995EP0651312A2 Drive circuit
05/02/1995US5412353 Phase-locked loop frequency modulation circuit for input modulation signals having low-frequency content
05/02/1995US5412349 PLL clock generator integrated with microprocessor
05/02/1995CA2081694C Quadrature modulation circuit
04/1995
04/27/1995DE4336240A1 Circuit arrangement for a digital phase comparator
04/26/1995EP0650259A1 Clock signal generator circuit
04/25/1995US5410742 SAW electric part and frequency conversion circuit
04/25/1995US5410573 Digital phase-locked loop circuit
04/25/1995US5410572 Phase locked loop circuit
04/25/1995US5410571 PLL frequency synthesizer circuit
04/25/1995US5410570 Self synchronizing automatic correlator
04/25/1995US5410368 Carrier acquisition by applying substitute pilot to a synchronous demodulator during a start up interval
04/25/1995US5410277 Stabilized frequency synthesizer
04/25/1995US5410263 Delay line loop for on-chip clock synthesis with zero skew and 50% duty cycle
04/25/1995US5410195 Ripple-free phase detector using two sample-and-hold circuits
04/20/1995WO1995010880A1 Adaptive bandwidth controlled frequency synthesizer
04/20/1995DE4436187A1 Phase-locked control circuit, oscillator and signal processor
04/19/1995EP0648391A1 Synchronous tracking am receiver.
04/18/1995US5408202 Phase lock loop having a lock acquisition mode and method of operation therefor
04/18/1995US5408201 Frequency synthesizer using three subfrequency synthesizers for generating two different frequencies
04/18/1995US5408200 Intelligent phase detector
04/13/1995WO1995010154A1 Method and apparatus for frequency synthesization in digital cordless telephones
04/12/1995EP0647933A1 Dot clock generator for liquid crystal display device
04/11/1995US5406592 First order FLL/PLL system with low phase error
04/11/1995US5406591 Frequency synthesizer and frequency synthesizing method
04/11/1995US5406590 Method of and apparatus for correcting edge placement errors in multiplying phase locked loop circuits
04/11/1995US5406427 Clock generator for magnetic disk drive that switches between preamble and data portions
04/11/1995US5406231 Oscillator unit with improved frequency stability
04/11/1995US5406229 Phase locked loop frequency synthesizer with fast frequency switching
04/11/1995US5406228 Ring oscillator with frequency control loop
04/11/1995CA2087719C Frequency modulated synthesizer using low frequency offset mixed vco
04/11/1995CA2054350C Method for fast acquisition in a phase locked loop
04/11/1995CA2027721C Synchronized clock
04/06/1995WO1995009485A1 Method for controlling a phase-locked loop, and a phase-locked loop
04/06/1995DE4344867C1 Digital phase detector
04/05/1995EP0647033A1 Phase synchronization circuit having a short pull-in time and a low jitter
04/05/1995EP0647032A2 Charge pump circuit with symmetrical current output for phase-controlled loop system
04/05/1995EP0647031A1 Circuit for correcting phase-shift and amplitudes
04/05/1995EP0647027A1 Low voltage precision current switch
04/05/1995EP0647018A1 Digital phase comparator
04/05/1995EP0647017A1 Synchronization circuit using a high speed digital slip counter
04/05/1995EP0640261A4 Data transmission delaying circuit using time-multiplexed latch enable signals.
04/04/1995US5404362 Very low jitter clock recovery from serial audio data
04/04/1995US5404250 Magnetic disk storage apparatus with phase sync circuit having controllable response characteristic
03/1995
03/29/1995EP0645892A1 Frequency-locked loop
03/29/1995EP0645891A1 Frequency tuning for a phase locked loop
03/29/1995EP0645888A1 Digital delay line
03/29/1995EP0645882A1 Demodulation of FM carrier
03/29/1995EP0645881A1 Demodulation of FM audio carrier
03/29/1995EP0297719B1 Device for synchronizing the output pulses of a circuit with an input clock
03/29/1995CN1100859A Direct phase digitizing apparatus and method
03/29/1995CN1100849A Method and apparatus for stand by recovery in a phase locked loop
03/28/1995US5402453 Apparatus and method for reliably clocking a signal with arbitrary phase
03/28/1995US5402425 Phase locking circuit for jitter reduction in a digital multiplex system
03/28/1995US5402085 Process and device for compensation of phase instabilities of the wave amplified by a microwave tube
03/28/1995US5402019 Phase startable clock device
03/23/1995WO1995008221A1 Digital to analog conversion using nonuniform sample rates
03/23/1995WO1995008220A1 Analog to digital conversion using nonuniform sample rates
03/23/1995DE4433714A1 Device and method for station selection
03/22/1995EP0644659A2 Information recording/reproducing apparatus for recording or reproducing data, and clock generating circuit incorporated therein
03/22/1995EP0644658A2 PLL Frequency synthesizer circuit
03/22/1995EP0644657A1 Phase-locked oscillator circuit
03/22/1995EP0644654A1 Digital integrator and first order filter
03/22/1995EP0643890A1 Clock extraction circuit for fiber optical receivers
03/21/1995US5400372 Phase-locked loop having charge pump driven with preserved energy for instant channel switching
03/21/1995US5400370 All digital high speed algorithmic data recovery method and apparatus using locally generated compensated broad band time rulers and data edge position averaging
03/21/1995US5400364 Decision-directed digital phase locked loop
03/21/1995US5399995 CMOS circuit providing 90 degree phase delay
03/21/1995US5399985 Digital PLL circuit
03/21/1995CA2050901C Frequency synthesizer with an interface controller and buffer memory
03/21/1995CA1334857C Fractional division frequency synthesizer
03/15/1995EP0643540A2 Automatic phase control apparatus
03/15/1995EP0643495A1 Modem with optimum gain echo canceller adaptation
03/14/1995US5398270 Data coincidence detecting circuit
03/14/1995US5398263 Autonomous pulse train timing controls for time-mark alignment
03/14/1995US5398007 Low-power baud rate generator including two oscillators
03/14/1995US5398006 Method and apparatus for automatic loop control
03/09/1995WO1995006990A1 Direct digital frequency synthesizer
03/09/1995DE4431172A1 Oszillatorschaltung und PLL-IC für einen Sendeempfänger Oscillator circuit and PLL IC for a transceiver
03/09/1995DE4328252A1 Device for the wireless transmission of digital data, particularly audio data, with the aid of infrared light on headphones
03/08/1995EP0642227A1 Charge-pump phase-lock loop circuit
03/07/1995US5396523 Shifting the phase of a clock signal, in particular for clock recovery of a digital data signal
03/07/1995US5396522 Method and apparatus for clock synchronization with information received by a radio receiver
03/07/1995US5396109 Bit clock regenerating circuit and data regenerating method
03/02/1995WO1995006359A1 Pll system
03/02/1995WO1995006358A1 Method and apparatus for attenuating jitter in a digital transmission line
03/02/1995WO1995001047A3 A method and a device for converting a picture
03/01/1995EP0641083A1 Frequency synthesizer
03/01/1995EP0641082A2 PLL frequency synthesizer and PLL frequency synthesizing method capable of obtaining high-speed lock-up and highly-reliable oscillation
03/01/1995EP0641081A1 Digital filter for a PLL
03/01/1995EP0641078A1 Ring oscillator circuit for VCO
03/01/1995EP0640261A1 Data transmission delaying circuit using time-multiplexed latch enable signals
03/01/1995CN1027780C Poulsen-arc converter of microwave frequency division phase-locked dielectric
02/1995
02/28/1995US5394444 Lock detect circuit for detecting a lock condition in a phase locked loop and method therefor
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