| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 02/27/2001 | US6194916 Phase comparator circuit for high speed signals in delay locked loop circuit |
| 02/22/2001 | WO2001013626A1 Method and apparatus for providing adaptive horizontal sync detection |
| 02/22/2001 | WO2001013520A1 Device and method for frequency distribution |
| 02/22/2001 | WO2001013517A2 Loading pump |
| 02/22/2001 | DE19939036A1 Frequency sweeping device for frequency synthesiser of spectrum analyser, has clock frequency of accumulator control by circuit programmed for desired variation with time |
| 02/22/2001 | DE19938513A1 Synchronisation device for high-speed analogue circuitry measures and adjusts time difference between internal clock of A=D converter and clock used to control sensor |
| 02/22/2001 | DE10036116A1 Selbstkalibrierende VCO-Korrekturschaltung und Betriebsverfahren Self-calibrating VCO correction circuit and method of operation |
| 02/21/2001 | EP1076936A1 Fully integrated all-cmos am receiver |
| 02/21/2001 | CN1062397C Lock alarm circuit for frequency synthesizer |
| 02/20/2001 | US6192220 Phase lock loop system with ultrafast lock times for half duplex time division multiple access wireless data applications |
| 02/20/2001 | US6192094 Digital phase-frequency detector |
| 02/20/2001 | US6192091 Circuit for reproducing a clock from a multilevel QAM signal |
| 02/20/2001 | US6191657 Frequency synthesizer with a phase-locked loop with multiple fractional division |
| 02/20/2001 | US6191627 Integrated circuit having adjustable delay units for clock signals |
| 02/20/2001 | CA2296861C Television receiver for tuning a signal including a pilot signal |
| 02/20/2001 | CA2296855C Receiving and demodulating a digital television signal |
| 02/20/2001 | CA2220417C Carrier regenerating circuit, multi-level quadrature amplitude demodulator, and method of detecting frequency deviation |
| 02/20/2001 | CA2050676C Dual modulus counter circuit |
| 02/15/2001 | WO2001011875A1 Method and apparatus for providing a clock signal with high frequency accuracy |
| 02/15/2001 | WO2001011784A1 Frequency synthesiser |
| 02/15/2001 | WO2001011783A1 Fractional- n frequency synthesiser |
| 02/15/2001 | WO2001011782A1 Stable phase locked loop having separated pole |
| 02/15/2001 | WO2001011781A1 Clock synchronization system and method |
| 02/15/2001 | WO2001011780A1 Cmos lock detect with double protection |
| 02/15/2001 | WO2001011779A2 Fast acquisition phase locked loop using a current dac |
| 02/15/2001 | WO2000043842A3 Atomic frequency standard |
| 02/15/2001 | WO2000028664A8 Fully integrated tuner architecture |
| 02/15/2001 | DE19937608A1 Frequenzsynthesizer Frequency Synthesizers |
| 02/15/2001 | DE19781634C2 Druckreduzierventil Pressure reducing valve |
| 02/15/2001 | CA2391735A1 Method and apparatus for providing a clock signal with high frequency accuracy |
| 02/14/2001 | EP1076435A1 A detector for detecting timing in a data flow |
| 02/14/2001 | EP1076424A1 Transmitter/receiver unit |
| 02/14/2001 | EP1076416A1 Phase-locked loop |
| 02/14/2001 | CN1284217A Sigma Delta modulator-controlled phase-locked-loop circuit and associated method |
| 02/14/2001 | CN1062096C 同步扫描电路 Synchronous scanning circuit |
| 02/13/2001 | US6188900 Mobile device assisted handoff system for code division multiple access and wideband code division multiple access networks |
| 02/13/2001 | US6188740 Fractional-N system frequency synthesizer and synthesizing method and field pickup unit using the method |
| 02/13/2001 | US6188739 Modified third order phase-locked loop |
| 02/13/2001 | US6188637 Semiconductor memory device allowing reduction in power consumption during standby |
| 02/13/2001 | US6188290 Method of initializing an oscillator circuit |
| 02/13/2001 | US6188289 Wide range voltage controlled oscillator employing two current units |
| 02/13/2001 | US6188288 Fully integrated digital frequency synthesizer |
| 02/13/2001 | US6188287 Method and apparatus for reducing phase noise in a voltage controlled oscillator circuit |
| 02/13/2001 | US6188286 Method and system for synchronizing multiple subsystems using one voltage-controlled oscillator |
| 02/13/2001 | US6188285 Phase-locked loop circuit and voltage-controlled oscillator capable of producing oscillations in a plurality of frequency ranges |
| 02/13/2001 | US6188268 Low side current sink circuit having improved output impedance to reduce effects of leakage current |
| 02/13/2001 | US6188262 Synchronous polyphase clock distribution system |
| 02/13/2001 | US6188261 Programmable delay generator and application circuits having said delay generator |
| 02/13/2001 | US6188258 Clock generating circuitry |
| 02/13/2001 | US6188255 Configurable clock generator |
| 02/13/2001 | US6188253 Analog clock module |
| 02/13/2001 | US6188252 Horizontal oscillation circuit capable of changing frequency |
| 02/08/2001 | WO2001010029A1 Phase shifting arrangement |
| 02/08/2001 | WO2001010028A1 Pll noise smoothing using dual-modulus interleaving |
| 02/08/2001 | WO2001010025A1 Method and apparatus for multiple band voltage controlled oscillator with noise immunity |
| 02/08/2001 | WO2001009974A1 Subminiature microwave cavity |
| 02/08/2001 | DE19935905A1 Electric filter has condenser and control unit that varies charge energy magnitude during charging period; magnitude of change is determined by higher order charge delays of capacitor |
| 02/08/2001 | DE10018190A1 Method of interruption-free switching between two precision oscillator clock-pulse generators for computer systems, involves tracking both clock-signals in order to establish exact time at which phase coincidence of the signals occurs |
| 02/08/2001 | DE10015187A1 Phase-shift resistant frequency variable clock-pulse generator for semiconductor devices, has external clock output circuit for generating an external clock-signal from the divided clock-signal |
| 02/07/2001 | EP1075107A1 A bidirectional synchronous interface with single time base |
| 02/07/2001 | EP1075086A1 Controlled charge pump circuit and phase locked loop circuit using the charge pump circuit |
| 02/07/2001 | EP1075083A1 Local oscillator |
| 02/06/2001 | US6185510 PLL jitter measuring method and integrated circuit therewith |
| 02/06/2001 | US6185411 Apparatus and method for enabling elements of a phase locked loop |
| 02/06/2001 | US6185255 System and Method for exciting advanced television signals |
| 02/06/2001 | US6185172 Rotation control apparatus, reproduction apparatus to which rotation control apparatus is applied, and rotation control method |
| 02/06/2001 | US6184754 Voltage-controlled oscillator circuit and voltage-controlled oscillating method |
| 02/06/2001 | US6184753 Clock delay circuitry producing clock delays less than the shortest delay element |
| 02/06/2001 | US6184746 PLL power supply filter (with pump) having a wide voltage range and immunity to oxide overstress |
| 02/06/2001 | US6184734 Digital phase locked loop |
| 02/06/2001 | US6184733 Clock synchronizing circuit |
| 02/06/2001 | US6184732 Setting the common mode level of a differential charge pump output |
| 02/01/2001 | WO2001008312A1 Compensation circuit for low phase offset for phase-locked loops |
| 02/01/2001 | WO2001008311A1 Clock signal generator |
| 02/01/2001 | DE19934723A1 Steuerbare Stromquellenschaltung und hiermit ausgestatteter Phasenregelkreis Controllable current source circuit and hereby equipped phase-locked loop |
| 01/31/2001 | EP1073204A1 Arrangement for synchronizing a reference event of an analog signal to a clock signal |
| 01/31/2001 | EP1073194A2 Spread spectrum clock generator and associated method |
| 01/31/2001 | CN1282465A Multi-divide frequency division |
| 01/31/2001 | CN1282463A Method and apparatus for compliance to multiple frequency plans |
| 01/31/2001 | CN1282460A Tunable energy efficient PLL clock circuit |
| 01/31/2001 | CN1282189A Radio transmitter |
| 01/30/2001 | US6182236 Circuit and method employing feedback for driving a clocking signal to compensate for load-induced skew |
| 01/30/2001 | US6181923 Automatic frequency control circuit and method of automatic frequency control |
| 01/30/2001 | US6181758 Phase-locked loop with small phase error |
| 01/30/2001 | US6181757 Retiming method and means |
| 01/30/2001 | US6181756 Phase locked loop based on a charge pump |
| 01/30/2001 | US6181215 Quartz oscillator circuit having synchronously switched frequency adjusting capacitors |
| 01/30/2001 | US6181213 Phase-locked loop having a multi-phase voltage controlled oscillator |
| 01/30/2001 | US6181212 Phase locked loop for generating two disparate, variable frequency signals |
| 01/30/2001 | US6181211 Automatic tuning of a VCO in a PLL |
| 01/30/2001 | US6181210 Low offset and low glitch energy charge pump for PLL-based timing recovery systems |
| 01/30/2001 | US6181209 All-digital frequency following system |
| 01/30/2001 | US6181187 Circuit for auto-centering control loop bias currents |
| 01/30/2001 | US6181184 Variable delay circuit and semiconductor intergrated circuit device |
| 01/30/2001 | US6181182 Circuit and method for a high gain, low input capacitance clock buffer |
| 01/30/2001 | US6181175 Clock generator and synchronizing method |
| 01/30/2001 | US6181174 Semiconductor integrated circuit device |
| 01/30/2001 | CA2076039C Process and device for beat recovery |
| 01/25/2001 | WO2001006696A1 Apparatus and method for servo-controlled self-centering phase detector |
| 01/25/2001 | WO2001006658A1 Electronic circuit, especially for a mobile radiotelephone device |