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)
12/2009
12/10/2009WO2009147583A1 Atomic frequency acquisition device based on self-mixing interference
12/10/2009WO2009147474A2 Methods of calibrating a clock using multiple clock periods with a single counter and related devices and methods
12/10/2009US20090305658 Method Of Operating Radio Receiver Implemented In A Single CMOS Integrated Circuit
12/10/2009US20090304135 Synchronous clock generation apparatus and synchronous clock generation method
12/10/2009US20090304134 Device and method of synchronizing signals
12/10/2009US20090304129 Oscillating apparatus, receiving apparatus, and oscillation control method
12/10/2009US20090302958 Digitally controlled oscillator and phase locked loop circuit using the digitally controlled oscillator
12/10/2009US20090302956 Atomic Oscillator
12/10/2009US20090302951 Dithering a digitally-controlled oscillator output in a phase-locked loop
12/10/2009US20090302910 Delay time measuring method, delay time adjusting method, and variable delay circuit
12/10/2009US20090302909 Semiconductor device having delay locked loop and method for driving the same
12/10/2009US20090302908 Oscillator and a tuning method of a loop bandwidth of a phase-locked-loop
12/10/2009US20090302907 Circuit arrangement for producing a defined output signal
12/10/2009US20090302906 Method and apparatus for on-chip phase error measurement to determine jitter in phase-locked loops
12/10/2009US20090302905 Method and apparatus for on-chip phase error measurement to determine jitter in phase-locked loops
12/10/2009US20090302904 Phase Frequency Detector Circuit for Implementing Low PLL Phase Noise and Low Phase Error
12/10/2009US20090302903 Driving apparatus, liquid crystal display having the same and driving method thereof
12/10/2009US20090302902 Power up signal generation circuit and method for generating power up signal
12/10/2009US20090302901 Command decoder and command signal generating circuit
12/10/2009DE102008026987A1 Phase-locked loop, has phase detector delivering sequence of signals, which is proportionally associated with momentary phase difference and momentary distance of respective edges and whose periodicity is identical to frequency difference
12/09/2009EP2131500A2 Atomic beam tube with counter propagating optical or atomic beams
12/09/2009EP2131499A1 Digital accumulator with configurable resolution and Sigma-Delta modulator comprising it
12/09/2009EP2131498A1 Oscillating apparatus, receiving apparatus, and oscillation control method
12/09/2009EP2130300A1 Method for generating a clock frequency
12/09/2009CN101599764A Numerical controlled oscillator
12/09/2009CN101599763A Timing error detection device and method thereof
12/09/2009CN101599762A Work period correction circuit with wide frequency range
12/09/2009CN101599761A A temperature-compensated circuit and method thereof
12/09/2009CN101599755A Communication systems, clock generation circuits thereof, and method for generating clock signal
12/09/2009CN101599034A System and method for confirming clock loss
12/09/2009CN100568918C PLL control circuit and control method therefor
12/09/2009CN100568735C Frequency divider
12/09/2009CN100568688C Small power single-phase / three phase low distortion frequency conversion power source
12/08/2009US7631176 Resistor/capacitor based identification detection
12/08/2009US7630468 Dual-PLL signaling for maintaining synchronization in a communications system
12/08/2009US7629858 Time delay oscillator for integrated circuits
12/08/2009US7629854 Switch-capacitor loop filter for phase lock loops
12/08/2009US7629822 Delay locked loop in semiconductor memory device and method for generating divided clock therein
12/08/2009US7629821 Semiconductor memory device
12/08/2009US7629820 Delay circuit
12/08/2009US7629819 Seamless coarse and fine delay structure for high performance DLL
12/08/2009US7629818 Method for checking the integrity of a clock tree
12/03/2009WO2009146344A1 Method and apparatus for reducing spurs in a fractional-n synthesizer
12/03/2009WO2009111374A3 Synthesized local oscillator and method of operation thereof
12/03/2009US20090296869 Communication systems, clock generation circuits thereof, and method for generating clock signal
12/03/2009US20090295781 Display apparatus
12/03/2009US20090295490 Dds circuit and electronic device having the same
12/03/2009US20090295489 Pll circuit
12/03/2009US20090295488 Self-calibrated wide range LC tank voltage-controlled oscillator (VCO) system with expanded frequency tuning range and method for providing same
12/03/2009US20090295442 Apparatus and method for multi-phase clock generation
12/03/2009US20090295441 Apparatus and method for multi-phase clock generation
12/03/2009US20090295440 Systems and Methods for Cancelling Phase-Locked Loop Supply Noise
12/03/2009US20090295439 Phase Lock Loop (PLL) with Gain Control
12/03/2009US20090295438 Optimum Timing of Write and Read Clock Paths
12/03/2009DE102008026289A1 Phased locked loop for stabilization of frequency of voltage controlled oscillator, has filter coupled with voltage level via capacitors, where direct current voltage difference at capacitors is maintained to be constant by amplifier
12/03/2009DE102005015764B4 Taktsignalgeneratorschaltung, elektronisches Gerät, Smartcard, Taktsignalerzeugungsverfahren und Steuerverfahren Clock signal generator circuit, electronic device, smart card, clock signal generating method and control method
12/02/2009EP2128987A1 Oscillation frequency control circuit
12/02/2009EP2127186A2 Fast powering-up of data communication system
12/02/2009EP2127081A1 Clock mode determination in a memory system
12/02/2009CN101594147A Phase-locked loop circuit
12/02/2009CN101594146A Phase-locked loop circuit
12/02/2009CN101594145A Self-biased phase-locked loop
12/02/2009CN101594144A Phase-locked loop
12/02/2009CN101594143A Communication systems and clock generation circuits thereof with reference source switching
12/02/2009CN101594142A Phase lock loop (pll) with gain control
12/02/2009CN101594141A Frequency locking device
12/02/2009CN101594130A Slope frequency detection mode based pulse wireless low jitter transmission method
12/02/2009CN101594128A Synchronizing pulse synthesizing method and synchronizing pulse synthesizer for combined navigation processor
12/02/2009CN101592843A Dual-magnetic light trap system
12/02/2009CN100566173C Spread spectrum clock generator capable of frequency modulation with high accuracy
12/02/2009CN100566172C Wireless synchronization method and device of electronic article surveillance system
12/02/2009CN100566171C Delay locked loop and its control method
12/02/2009CN100566170C Differential current mode phase/frequency detector circuit
12/02/2009CN100566161C Frequency synthesizer and method for producing output signal with predetermined period
12/02/2009CN100566132C An oscillator circuit with tuneable signal delay means
12/01/2009USRE41031 Frequency control system that stabilizes an output through both a counter and voltage-controlled oscillator via sampling a generated clock into four states
12/01/2009US7627790 Apparatus for jitter testing an IC
12/01/2009US7627773 Logic circuit and semiconductor integrated circuit
12/01/2009US7627066 Apparatus for data recovery in a synchronous chip-to-chip system
12/01/2009US7627032 Digital pulse width modulator
12/01/2009US7626469 Electronic circuit
12/01/2009US7626464 Multi-frequency signal source
12/01/2009US7626463 Automatic frequency compensation for pulse width modulated RF level control
12/01/2009US7626462 Fractional-N based digital AFC system with a translational PLL transmitter
12/01/2009US7626449 Apparatus and method for tuning center frequency of a filter
12/01/2009US7626432 DLL circuit
11/2009
11/26/2009WO2009143318A2 Radio frequency receiver, wireless communication unit and method of operation
11/26/2009WO2009142857A1 A circuit for and method of receving video data
11/26/2009WO2009142664A1 Clock generation using a fractional phase detector
11/26/2009US20090289730 Digital phase detector and phase-locked loop
11/26/2009US20090289728 Atomic frequency standard based on phase detection
11/26/2009US20090289726 Self-Biased Phase Locked Loop
11/26/2009US20090289725 Self-Biased Phase Locked Loop
11/26/2009US20090289724 Frequency synthesizer and method for controlling same
11/26/2009US20090289723 Pll oscillation circuit, polar transmitting circuit, and communication device
11/26/2009US20090289677 Device
11/26/2009US20090289676 DLL circuit
11/26/2009US20090289675 Differential transmitter and auto-adjustment method of data strobe thereof
11/26/2009US20090289674 Phase-locked loop
11/26/2009US20090289673 Voltage controlled oscillators and phase-frequency locked loop circuit using the same
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