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)
12/1993
12/21/1993US5272391 Synchronizing circuit
12/16/1993DE4243960A1 Frequency discriminator for different horizontal synchronising frequency values for monitor - supplies input signal to multiple discriminator stage having oscillators tuned to values for phase comparison
12/15/1993EP0574292A1 Process and device for phase and frequency locking of an oscillator
12/15/1993EP0353027B1 Programmable time advance
12/15/1993CN1079599A Method and apparatus for automatic loop control
12/15/1993CN1023175C Method and arrangement for frequency synthesis
12/14/1993US5271040 Phase detector circuit
12/14/1993US5270669 Local oscillating frequency synthesizer for use in a TDMA system
12/14/1993CA1325251C Frequency synthesizer
12/09/1993WO1993025023A1 Clock extraction circuit for fiber optical receivers
12/08/1993CN1079346A Atomic frequency standard
12/07/1993US5268935 Synchronous digital signal to asynchronous digital signal desynchronizer
12/07/1993US5268656 Programmable clock skew adjustment circuit
12/07/1993US5268655 Device and method for automatically adjusting a phase-locked loop
12/07/1993US5268654 Phase locked loop clock changeover apparatus in which the VCO is set to an initial value
12/07/1993US5268653 Digital phase-locked loop operating mode control method and device
12/07/1993US5268652 Circuit for detecting locking of a digital phase locked loop
12/01/1993EP0572161A2 AGC with non-linear gain for PLL circuits
12/01/1993EP0572135A2 State machine phase lock loop
12/01/1993EP0571853A2 Device and method for automatically adjusting a phase-locked loop
11/1993
11/30/1993US5267189 Rational fraction synthesizer
11/30/1993US5267182 Method to generate an output frequency
11/30/1993US5266908 Multiple clock signal generator apparatus
11/30/1993US5266907 Continuously tuneable frequency steerable frequency synthesizer having frequency lock for precision synthesis
11/30/1993US5266851 Phase detector
11/25/1993WO1993023937A1 Data transmission delaying circuit using time-multiplexed latch enable signals
11/24/1993EP0571148A1 AGC circuit with non-linear gain for use in PLL circuit
11/24/1993EP0570819A1 Method for controlling the parameters of A PLL
11/23/1993US5265081 For vehicles
11/23/1993CA1324652C Method and apparatus for jamming cable television channels
11/18/1993EP0569658A1 Signals generator having not-overlapping phases and high frequency
11/18/1993EP0569515A1 Phase-independent bandwidth control apparatus for a data transmission system receiver
11/18/1993DE4209843A1 Temp. compensated oscillator circuit - stores tuning element setting signal and corresponding temp. signal during calibration phase for subsequent provision of correction signal
11/16/1993US5263178 Procedure for arranging switch-type control in a radio telephone
11/16/1993CA2004236C Heterodyne stage having precise closed-loop control of the amplitude of the injection signal thereof
11/10/1993EP0569179A2 A method and apparatus for clock recovery
11/10/1993CN1078335A Microwave frequency division phase lock dielectric oscillator
11/09/1993US5260979 Circuit and method of switching between redundant clocks for a phase lock loop
11/09/1993US5260841 Clock extracting circuit
11/09/1993US5260812 Clock recovery circuit
11/09/1993US5260608 Phase-locked loop and resulting frequency multiplier
11/04/1993DE4214611A1 Digital signal processor using counter(s) and frequency divider(s) - connected in chain circuit, as shift resistor, forming clock flip-flop
11/03/1993EP0567990A1 Phase-locked loop circuit
11/02/1993US5259007 Phase locked loop frequency synthesizer
11/02/1993US5259004 Frame synchronization dependent type bit synchronization extraction circuit
11/02/1993US5258726 Voltage controlled oscillator with low operating supply voltage
11/02/1993US5258725 Phase lock loop with compensation for voltage or temperature changes in a phase comparator
11/02/1993US5258724 Frequency synthesizer
10/1993
10/27/1993EP0567380A1 Method and device for compensation of phase instabilities of a wave amplified by a microwave tube
10/27/1993EP0567033A2 Frequency synthesizer
10/27/1993EP0566640A1 Tuning means for resonance module.
10/27/1993EP0566586A1 An oscillator unit with improved frequency stability
10/27/1993CN1077831A Shifting the phase of a clock signal, in particular for clock recovery of a digital data signal
10/26/1993US5257409 Frequency synthesizer with programming feedback
10/26/1993US5257294 Phase-locked loop circuit and method
10/26/1993US5256995 Low helium permeability atomic frequency standard cell and method for forming same
10/26/1993US5256994 Programmable secondary clock generator
10/26/1993US5256989 Lock detection for a phase lock loop
10/26/1993US5256981 Digital error corrected fractional-N synthesizer and method
10/26/1993US5256980 Frequency synthesizer incorporating vernier phase adjuster
10/25/1993CA2094355A1 Method and device for compensating phase jitter in waves amplified by a microwave tube
10/21/1993DE4306754A1 Highly stable high frequency standard - varies hyperfine structure frequency with different light intensities causing regulation of laser light frequency
10/20/1993EP0566375A1 Controlled oscillator
10/20/1993EP0566358A1 Low noise frequency synthesizer using half integer dividers and analog gain compensation
10/20/1993EP0566274A1 Frequency synthesizer using phase-locked loop
10/19/1993US5254959 Frequency synthesizer having phase control loop with plural branches
10/19/1993US5254958 Phase-lock-loop circuit and method for compensating, data bias in the same
10/19/1993US5254955 Advanced phase locked loop circuit
10/14/1993WO1993020619A1 An oscillator unit for a base station in a digital cellular radio network
10/13/1993EP0565362A1 Frequency tuning with synthesizer
10/13/1993EP0565127A2 TDMA mobile unit frequency synthesizer having power saving mode during transmit and receive slots
10/13/1993EP0273031B1 Characterized fast tuning control for a television system
10/12/1993US5253279 Semiconductor integrated circuit having a built-in programmable divider
10/12/1993US5253179 Compensation for line frequency variation
10/12/1993US5252977 Digital pulse generator using digital slivers and analog vernier increments
10/12/1993US5252867 Self-compensating digital delay semiconductor device with selectable output delays and method therefor
10/06/1993EP0564377A1 Frequency locked loop
10/06/1993EP0563945A1 Phase locked loop
10/06/1993EP0563400A1 Frequency converter, multistage frequency converter, and frequency synthesizer using them
10/05/1993US5251238 Circuit arrangement and method for the regeneration and synchronization of a digital signal
10/05/1993US5250913 Variable pulse width phase detector
10/05/1993CA2003688C Digital automatic frequency control of pure sine waves
09/1993
09/30/1993WO1993019531A1 Atomic beam resonator, particularly a cesium beam resonator
09/29/1993EP0562794A1 Superheterodyne receiver
09/29/1993EP0546088A4 Frequency modulated synthesizer using low frequency offset mixed vco
09/29/1993CN1076815A An adaptive phase locked loop
09/28/1993US5249132 Digital pulse generator
09/28/1993US5248883 Ion traps of mono- or multi-planar geometry and planar ion trap devices
09/22/1993EP0561718A1 Phase and frequency comparator
09/22/1993EP0561526A2 Phase-locked loop with automatic phase offset calibration
09/22/1993EP0561456A1 Frequency synthesizer using a fast switching current mirror and device using such a synthesizer
09/22/1993EP0561261A1 Atomic frequency standard
09/22/1993EP0561253A1 Method and apparatus for automatic loop control
09/22/1993CN1076574A Data signal controlled oscillator for a video display
09/21/1993US5247469 Digital frequency synthesizer and method with vernier interpolation
09/21/1993US5247265 PLL frequency synthesizer capable of changing an output frequency at a high speed
09/21/1993US5247229 Adaptive scan control having horizontal scan locked clock system
09/21/1993US5247215 Frequency range detector
09/21/1993CA2063404C Voltage control oscillator with automatic current control
09/16/1993WO1993018587A1 Circuit, counter and frequency synthesizer with adjustable bias current
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