Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643)
12/1998
12/23/1998WO1998058451A2 Digital communication device
12/23/1998EP0885499A2 Transmission system and recording system having a simplified symbol detector
12/23/1998EP0885487A1 Process and device for generating a plurality of derived clock signals
12/23/1998EP0840955A4 Microcontroller with firmware selectable oscillator trimming
12/23/1998EP0800724A4 Lamp oscillator for atomic frequency standards
12/23/1998CN1203003A Frequency drift correction in subscriber terminals
12/23/1998CN1202763A Delay circuit device
12/22/1998US5852386 Apparatus and method for microwave field strength stabilization in cell type atomic clocks
12/22/1998US5852380 Phase adjusting circuit, system including the same and phase adjusting method
12/17/1998WO1998057470A1 Clock regeneration circuit
12/17/1998WO1998057420A1 Apparatus and method for controlling spectrum of a signal
12/17/1998DE19825986A1 Clock circuit with synchronisation between internal and external clock signals
12/16/1998EP0884846A1 Delay circuit with calibration method
12/16/1998EP0883947A1 Digital phase lock loop and system for digital clock recovery
12/16/1998EP0883927A1 Method and apparatus for determining the change in frequency of a reference signal
12/16/1998CN1202042A Multiband PPL frequency synthesizer with loop condition controlled
12/16/1998CN1201984A Playback clock extracting apparatus
12/16/1998CN1201927A Clock generating circuit
12/15/1998US5850595 Arrangement for reducing interference in tuned circuits in integrated circuits
12/15/1998US5850422 Apparatus and method for recovering a clock signal which is embedded in an incoming data stream
12/15/1998US5850164 FM demodulation and frequency tuning for a phase-locked loop
12/15/1998US5850163 Active inductor oscillator with wide frequency range
12/15/1998CA2057831C Synchronizing circuit
12/10/1998WO1998056117A1 Voice-channel frequency synchronization
12/10/1998WO1998056114A1 Apparatus and method for microwave field strength stabilization in cell type atomic clocks
12/10/1998WO1998056113A1 Digital delay lock loop
12/10/1998WO1998055923A2 A hardware design for majority voting, and testing and maintenance of majority voting
12/10/1998CA2292636A1 Voice-channel frequency synchronization
12/09/1998EP0842578A4 Transition aligned video synchronization system
12/09/1998CN1201307A Radio equipment for time-division multi-address system and regulation circuit for output electric-level of synthesizer
12/08/1998US5848047 Playback apparatus and playback method
12/08/1998US5847618 Atomic maser with cylindrical sapphire storage bulb
12/08/1998US5847617 Programmable logic device
12/08/1998US5847615 Frequency synthesizer operating according to the principle of fractional frequency synthesis
12/08/1998US5847614 Frequency synthesizer
12/08/1998US5847612 Interference-free broadband television tuner
12/08/1998US5847611 Fractional divided frequency synthesizer with phase error compensating circuit
12/08/1998US5847585 Method and apparatus for developing a close frequency tolerance output signal from an input signal of lesser frequency tolerance
12/08/1998US5847582 Apparatus and method for producing symmetric capture range in two-quadrant phase detector PLLs using nonsymmetric pulse waves
12/08/1998US5847559 Spectrum Analyzer
12/08/1998CA2089480C Oscillator with bias and buffer circuits formed in a die mounted with distributed elements on ceramic substrate
12/03/1998WO1998054857A1 Method and apparatus for splicing complete transport streams from multiple sources
12/03/1998WO1998054844A1 Centralized channel selection in a distributed rf antenna system
12/03/1998WO1998054584A2 Two port handheld vector network analyzer with frequency monitor mode
12/03/1998WO1998039846A3 Delay-locked loop with binary-coupled capacitor
12/03/1998DE19822777A1 Digital clock generator for microprocessors
12/03/1998DE19722966A1 Electronic integrated circuit for decoding digital audio data
12/03/1998CA2238741A1 Apparatus and tuning method for a voltage controlled oscillator
12/02/1998EP0881775A1 A clock generator
12/02/1998EP0881774A2 Phase locked loop using a Schmitt trigger block
12/02/1998EP0881773A1 Frequency difference detector for use with an NRZ signal
12/02/1998EP0881772A1 Frequency dividing device comprising a predivider followed by a programmable counter and corresponding frequency synthesizer
12/02/1998EP0881639A2 Automatic equalization system
12/02/1998EP0881499A2 Semiconductor integrated circuit including phase locked loop circuit and jitter detector
12/02/1998CN1200603A Automatic equalization system
12/02/1998CN1200602A Phase locked loop circuit and reproducing apparatus
12/02/1998CN1200601A Clamp-like movement delayed circuit with output signal repeat cycle different from input signal
12/02/1998CN1200599A Plesiochronous digital hierarchy low speed signal switching system digital phase-locked loop
12/02/1998CN1200504A Device for generating clock signal
12/01/1998US5845109 Operation unit and method for controlling processing speed of the same
12/01/1998US5844954 Fine resolution digital delay line with coarse and fine adjustment stages
12/01/1998US5844622 Digital video horizontal synchronization pulse detector and processor
12/01/1998US5844436 Method of recovering a sampling clock in a framed data communications format with reduced phase jitter and wander
12/01/1998US5844388 Drive systems for a brushless motor employing predefined driving profiles stored in a nonvolatile memory
11/1998
11/26/1998WO1998053554A2 Receiver having a phase-locked loop
11/25/1998EP0880089A2 Method and apparatus for generating a clock signal
11/25/1998CN1200207A Phase-locked loop
11/24/1998US5842137 Subscriber unit for wireless digital telephone system
11/24/1998US5841823 Method and apparatus for extracting a clock signal from a received signal
11/24/1998US5841712 Dual comparator circuit and method for selecting between normal and redundant decode logic in a semiconductor memory device
11/24/1998US5841522 Phase detector
11/24/1998US5841482 Transition aligned video synchronization system
11/24/1998US5841481 Method of accessing rows in a memory array
11/24/1998US5841324 Charge-based frequency locked loop and method
11/24/1998US5841323 Converter device
11/24/1998US5841322 Phase detector using carrier suppression and oscillator using the phase detector
11/24/1998US5841303 Digital phase-locked loop circuit
11/24/1998CA2099382C Data transmission system receiver having phase-independent bandwidth control
11/19/1998WO1998052284A2 Phase detector arrangement
11/19/1998WO1998037656A3 Delay locked loop circuitry for clock delay adjustment
11/19/1998DE19820658A1 Plesiochronous digital hierarchy low-velocity DPLL
11/19/1998CA2290619A1 Phase detector arrangement
11/18/1998EP0878912A2 Lock detector circuit for a phase locked loop
11/18/1998EP0878911A2 Clock extraction circuit
11/18/1998EP0878910A2 Skew-reduction circuit
11/18/1998EP0878908A2 Semiconductor device using complementary clock and signal input state detection circuit used for the same
11/18/1998EP0878074A1 A method for reducing transients in a clock signal generating system
11/18/1998EP0772913B1 Fractional-n frequency synthesizer with a delta-sigma frequency discriminator
11/18/1998CN1199223A Digital signal reproducing circuit
11/17/1998US5839059 Method for starting a radio transmitter, and a radio transmitter using a start-up estimated control voltage needed for locking onto selected output frequency
11/17/1998US5838749 Method and apparatus for extracting an embedded clock from a digital data signal
11/17/1998US5838207 Voltage controlled oscillator with partial load-pull tuning
11/17/1998US5838206 Active hydrogen maser atomic frequency standard
11/17/1998US5838205 Variable-speed phase-locked loop system with on-the-fly switching and method therefor
11/17/1998US5838204 Phase locked loop with multiple, programmable, operating frequencies, and an efficient phase locked loop layout method
11/17/1998US5838203 Method and apparatus for generating waveforms using adiabatic circuitry
11/17/1998US5838202 Error suppressing circuit and method therefor for a phase locked loop
11/17/1998US5838183 Clock signal generator having voltage level converting circuit
11/17/1998US5838180 Low-voltage frequency synthesizer
11/17/1998US5838178 Phase-locked loop and resulting frequency multiplier