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)
06/1992
06/09/1992US5121010 Phase detector with deadzone window
06/09/1992US5120990 Apparatus for generating multiple phase clock signals and phase detector therefor
06/03/1992EP0487902A2 Delay line calibration circuits
06/03/1992EP0487548A1 Synthesized selective call receiver having variable characteristics.
06/03/1992CN1016930B Phase detector
06/03/1992CN1016929B Deflection synchronizing apparatus
06/02/1992US5119043 Auto-centered phase-locked loop
06/02/1992US5119037 High speed phase-lock loop device
06/02/1992US5118975 Digital clock buffer circuit providing controllable delay
06/02/1992CA1302523C Frequency synthesizer
05/1992
05/27/1992EP0486865A1 Higher order phase locked loop
05/27/1992EP0486839A2 Quasi-coherent MPSK demodulator
05/27/1992EP0486668A1 Anti-aliasing for frequency output sensors
05/26/1992US5117205 Electrically controllable oscillator circuit, and electrically controllable filter arrangement comprising said circuits
05/26/1992US5117204 Phase locked loop circuit
05/26/1992US5117135 Frequency and phase detection circuit in NRZ bit synchronous system
05/19/1992US5115208 Pll clock signal regenerator using a phase correlator
05/19/1992CA1301249C Integrated poly-phase power meter
05/13/1992CN1016660B Frequency synthesiszer with spur compensation
05/12/1992US5113152 Pll frequency synthesizer with circuit for changing loop filter time constant
05/07/1992DE4031939A1 Presetting phase-regulated VCO - reading-out corresp. adjusting values for several frequencies from memory for respective voltages
05/06/1992EP0484158A2 Radio transceiver having PLL synthesizer
05/06/1992EP0484097A1 Phase comparing circuitry having an unlock alarm generating circuit
05/06/1992EP0484059A2 Charge pump circuit
05/06/1992EP0465559A4 Frequency synthesizer with fm modulation
05/06/1992CN1060942A Synchronizing circuit
05/05/1992US5111486 Bit synchronizer
05/05/1992US5111208 Calibration of plural - channel system
05/05/1992US5111162 Digital frequency synthesizer having AFC and modulation applied to frequency divider
05/05/1992US5111161 Pll with lock detector for detecting a specified signal in a plurality of input signals
05/05/1992US5111160 Clock generation circuit for multistandard serial digital video with automatic format identification
05/05/1992US5111151 Digital phase locked loop system
05/05/1992US5111150 Precision phase shift system
05/05/1992US5111063 Integrated clock driver circuit
05/05/1992CA1300236C Frequency, phase and modulation control system which is especially useful in simulcast transmission systems
05/01/1992CA2054572A1 Phase comparing circuitry having an unlock alarm generating circuit
04/1992
04/30/1992WO1992007425A1 Voltage-controlled oscillating circuit and phase-locked loop
04/30/1992WO1992007316A1 Dynamically switchable multi-frequency clock generator
04/29/1992EP0482823A2 PLL frequency synthesizer capable of changing an output frequency at a high speed
04/28/1992US5109394 All digital phase locked loop
04/22/1992EP0481804A2 PLL frequency synthesizer
04/22/1992EP0481096A1 Method for determining the frequency amplification of a voltage-to-frequency converter
04/21/1992US5107228 Voltage controlled oscillator employing negative resistance
04/21/1992US5107227 Integratable phase-locked loop
04/21/1992US5107226 Atomic frequency standard using optical pumping for state preparation and magnetic state selection of atoms
04/21/1992US5107220 Frequency synthesizer
04/21/1992CA1299255C Frequency synthesizer having digital phase detector with optimal steering and level-type lock indication
04/16/1992WO1992004765A3 Frequency modulated synthesizer using low frequency offset mixed vco
04/15/1992EP0480681A1 Semiconductor integrated circuit
04/15/1992EP0480597A2 Phase lock loop
04/15/1992EP0480018A1 Fractional n/m synthesis
04/15/1992EP0480012A1 Multiaccumulator sigma-delta fractional-n synthesis.
04/14/1992US5105273 Video intermediate frequency signal processing circuit
04/14/1992US5105192 Method and apparatus for detecting a sampling-period sync signal from an output signal of a digital-to-analog converter
04/14/1992US5105169 Current controlled oscillator including conversion of control voltage to regular and thresholded control currents
04/14/1992US5105168 Vector locked loop
04/14/1992US5105160 Phase comparator using digital and analogue phase detectors
04/14/1992US5105108 Delay circuit with phase locked loop control
04/08/1992EP0479599A2 Method and apparatus for controlling switches
04/08/1992EP0479305A2 Rate conversion apparatus
04/08/1992EP0479237A1 Phase-locked oscillation circuit system with measure against shut-off of input clock
04/08/1992EP0479142A2 Synchronizing circuit
04/07/1992US5103192 Phase-difference detecting circuit and method of reducing power consumption in a pll system
04/07/1992US5103191 Circuit configuration for phase locking
04/07/1992US5103123 Phase detector having all NPN transistors
04/07/1992CA1298626C Digital phase-locked device and method
04/02/1992WO1992005633A1 Precision phase shift system
04/02/1992WO1992000558A3 Apparatus for generating multiple phase clock signals and phase detector and recovery apparatus therefor
04/01/1992EP0477916A2 Clock generating apparatus, data transmitting/receiving apparatus and data transmitting/receiving method
03/1992
03/31/1992US5101418 Digital time-multiplexed quadrature frequency upconverter
03/31/1992US5101203 Digital data regeneration and deserialization circuits
03/31/1992US5101117 Variable delay line phase-locked loop circuit synchronization system
03/31/1992CA1298381C Piezoelectric phase locked loop circuit
03/25/1992EP0477077A1 Synchronizing the sampling of signals with an external event
03/25/1992EP0476605A2 Phase lock loop circuit comprising a subsidiary loop filter
03/25/1992EP0476585A2 Reference delay generator and electronic device using the same
03/25/1992EP0476581A1 Apparatus for generating digital signal synchronized with phase of power supply
03/25/1992CN1016036B Servo device for rapidly, and with low noise locking the frequency and phase of a signal to that of an imposed signal
03/25/1992CN1016035B Voltage control oscillator with automatic current control
03/25/1992CN1016034B Frequency control apparatus and method for digital radio receiver
03/24/1992US5099501 Arrangement for switching a clock to a clock having the same frequency but a lagging clock phase
03/24/1992US5099213 Phase-locked oscillator with phase lock detection circuit
03/18/1992EP0475509A1 Radio apparatus with an oscillator and a phase locked loop
03/18/1992EP0475468A2 Phase comparator for a digital phase locked loop
03/18/1992EP0475262A1 A voltage-controlled oscillator
03/18/1992EP0474729A1 Voltage control oscillator with automatic current control.
03/18/1992EP0474653A1 Multiplier circuit
03/17/1992US5097489 Method for incorporating window strobe in a data synchronizer
03/17/1992US5097230 Phase locked loop that includes D. C. modulation
03/17/1992US5097219 Pll for controlling frequency deviation of a variable frequency oscillator
03/11/1992EP0474616A2 Dual modulus counter circuit
03/11/1992EP0474534A1 Adjustable time-constant circuit and its use for an adjustable delay circuit
03/11/1992EP0473816A1 Process and device for voltage-frequency conversion
03/11/1992CN1015852B Frequency-changing stage having precise closed-loop control of amplitude of injection signal thereof
03/10/1992US5095289 Adjustable crystal controlled oscillator
03/10/1992US5095288 Phase-locked loop having a variable bandwidth
03/10/1992US5095287 Phase locked loop having a charge pump with reset
03/10/1992US5095263 Anti-aliasing for frequency output sensors
03/10/1992CA1297171C Digital phase lock loop
03/03/1992US5093632 Latched accumulator fractional n synthesis with residual error reduction
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