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)
07/1998
07/14/1998US5781847 Microwave transmitter and communications system
07/14/1998US5781600 Frequency synthesizer
07/14/1998US5781065 For demodulating an input signal
07/14/1998US5781056 Variable delay circuit
07/14/1998US5781054 Digital phase correcting apparatus
07/14/1998US5781051 Power-up detector for low power systems
07/14/1998US5781048 Synchronous circuit capable of properly removing in-phase noise
07/14/1998US5781044 Delta-sigma fractional-N frequency synthesizer and frequency discriminator suitable for use therein
07/14/1998US5781038 High speed phase locked loop test method and means
07/14/1998US5781036 Phase detector
07/14/1998CA2077017C Synchronous digital signal to asynchronous digital signal desynchronizer
07/08/1998CN1187268A An apparatus and method for using negative FM feedback in high quality oscillator devices
07/07/1998US5778311 Intermittent operation receiver with variable pre-heat time for its phase-locked circuit
07/07/1998US5778032 Data reproducing method and data reproducing unit
07/07/1998US5777525 Oscillating apparatus having variably controlled vibration cancellation
07/07/1998US5777522 Electronic device for controlling a reactance value for a reactive element
07/07/1998US5777521 Parallel accumulator fractional-n frequency synthesizer
07/07/1998US5777520 Horizontal oscillation circuit capable of changing frequency
07/07/1998US5777501 Digital delay line for a reduced jitter digital delay lock loop
07/07/1998US5777499 Digital frequency control circuit phase control circuit and PLL circuit
07/07/1998US5777498 Data compensation/resynchronization circuit for phase lock loops
07/02/1998WO1998028851A1 Device for synchronising a digital receiver
07/02/1998WO1998028850A1 Method and arrangement for recovering timing from a digital signal
07/02/1998WO1998028849A1 A digital phase-locked loop and a method of controlling it, as well as a method and receiver circuit for desynchronization in a digital transmission system
07/02/1998WO1998028703A2 Symbol lock detector
07/02/1998WO1998028677A1 Bit synchronization for interrogator
07/02/1998CA2274718A1 Symbol lock detector
07/01/1998EP0851625A2 Receiver clock synchronisation circuit using a multi-phase dataclock
07/01/1998EP0851588A1 Charge pump circuit for the frequency control loop of a frequency synthesizer
07/01/1998EP0851586A1 Integrated circuit including an asymmetrizer
07/01/1998EP0850511A1 Transmission process in which a conversion oscillator signal is synthesised by means of a fractional n-phase-shift control loop
06/1998
06/30/1998US5774555 Switched capacitor bandpass filter for detecting pilot signal
06/30/1998US5774512 Higher order digital phase loop filter
06/30/1998US5774511 Processor clock circuit
06/30/1998US5774510 First-order loop control configuration for a phase-rotator based clock synchronization circuit
06/30/1998US5774509 Method for the reduction of phase noise introduced by the SDH network (Synchronous Digital Hierarchy Network) by pointer justification and integrated circuits for the implementation of the method
06/30/1998US5774403 PVT self aligning internal delay line and method of operation
06/30/1998US5774023 Adaptive phase locked loop system with charge pump having dual current output
06/30/1998US5774022 Digital clock recovery loop
06/30/1998US5774007 Clock distributing apparatus having V/I and I/V converters
06/30/1998US5774003 Flip-flop cell having clock skew protection
06/25/1998WO1998027681A2 Transmission system and recording system having a simplified symbol detector
06/25/1998DE19732142A1 Variable delay circuit
06/25/1998DE19708772A1 Signal frequency generation method
06/25/1998DE19653022A1 Frequency synthesiser with phase loop with phase detector
06/24/1998EP0849907A2 Phase measurement apparatus and method
06/24/1998EP0849882A2 Method for producing a control voltage for a voltage controlled oscillator in a phase locked loop
06/24/1998CN1185873A Frequency tracking for communication signals using M-ary orthogonal walsh modulation
06/23/1998US5771264 Digital delay lock loop for clock signal frequency multiplication
06/23/1998US5770978 Current type ring oscillator, and voltage-controlled oscillator having current type ring oscillator
06/23/1998US5770976 Local clock duty cycle independent phase detector and method of operation thereof
06/23/1998US5770975 Phase-locked loop circuit having a high-speed forcible pulling-in function
06/17/1998EP0848513A2 Circuit for recovery of a common clock treating multiple data signals
06/16/1998US5768326 For use in a digital broadcasting receiver
06/16/1998US5768323 In a telecommunications device
06/16/1998US5768321 Automatic frequency control unit which detects a frame pattern in a phase modulation signal
06/16/1998US5767791 Low-power circuit and method for providing rapid frequency lock in a wireless communications device
06/16/1998US5767747 Electronic low power clock circuit and method
06/16/1998US5767746 Method and apparatus for adjusting phase-lock-loop parameters
06/16/1998US5767745 Solid resonator based oscillator having a phase control circuit
06/16/1998US5767736 Charge pump having high switching speed and low switching noise
06/16/1998US5767715 Method and apparatus for generating timing pulses accurately skewed relative to clock
06/16/1998US5767714 PLL circuit and digital signal reproducing apparatus
06/16/1998US5767713 Phase locked loop having integration gain reduction
06/16/1998CA2083372C Digital frequency synthesizer having afc and modulation applied to frequency divider
06/11/1998WO1998025368A1 A method and a circuit for generating a central clock signal
06/11/1998WO1998025367A1 A method and a circuit for generating a system clock signal
06/11/1998WO1998025353A2 Arrangement in a communication system
06/11/1998WO1998025348A1 Method and apparatus for generating waveforms using adiabatic circuitry
06/11/1998WO1998013939A3 Control of a voltage controlled oscillator
06/10/1998EP0847143A1 Programmable frequency synthesizer having low phase noise sensitivity
06/10/1998EP0847142A1 Phase locked loop
06/10/1998EP0847139A2 Delay difference adjustment circuit and phase adjuster
06/10/1998CN1184381A Secondary local oscillator circuit for use in radio communication system
06/09/1998US5765099 Distribution of radio-frequency signals through low bandwidth infrastructures
06/09/1998US5764714 Latching inputs and enabling outputs on bidirectional pins with a phase locked loop (PLL) lock detect circuit
06/09/1998US5764712 Phase locked loop circuit having automatic range setting logic
06/09/1998US5764711 Phase-locked loop frequency synthesizer
06/09/1998US5764709 Jitter attenuator
06/09/1998US5764598 Delay time measurement apparatus for delay circuit
06/09/1998US5764300 Control system having reduced response time
06/09/1998US5764111 Voltage controlled ring oscillator frequency multiplier
06/09/1998US5764108 Apparatus for reducing power consumption of device controlled by counter and noise due to counter reload
06/09/1998US5764092 Delay clock generator for generating a plurality of delay clocks delaying the basic clock
06/09/1998CA2063837C Clock generation circuit for multistandard serial digital video with automatic format identification
06/04/1998WO1998024210A1 Carrier phase synchronization by reverse playback
06/04/1998WO1998024185A1 Synchronisation unit for a component group
06/04/1998WO1998024038A1 Method and system for simulating and making a phase lock loop circuit
06/04/1998DE19649408A1 Analog-to-digital conversion circuit
06/04/1998CA2272658A1 Synchronization means of an assembly
06/04/1998CA2272560A1 Carrier phase synchronization by reverse playback
06/03/1998EP0845899A2 Video display apparatus having phase-locked loop used for synchronizing a horizontal scan frequency with a synchronizing input signal frequency
06/03/1998EP0845735A1 Delay compensation/resynchronization circuit for phase lock loops
06/03/1998CN1183676A PLL circuit and its automatic adjusting circuit
06/02/1998US5761617 PLL synthesizer radio paging receiver capable of reducing an average power consumption
06/02/1998US5761434 Digital audio system including a software controlled phase lock loop for synchronizing audio sources to a common clock source
06/02/1998US5761258 Phase locked loop (pill) circuit
06/02/1998US5761255 Edge-synchronized clock recovery unit
06/02/1998US5760657 Method and apparatus employing a process dependent impedance that compensates for manufacturing variations in a voltage controlled oscillator
06/02/1998US5760653 Phase-locked loop for clock recovery
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