| Patents for H03L 7 - Automatic control of frequency or phase; Synchronisation (37,643) |
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| 04/05/1994 | US5301196 Half-speed clock recovery and demultiplexer circuit |
| 04/05/1994 | CA2041867C Current averaging data separator |
| 04/05/1994 | CA2025164C Adaptive phase lock loop system |
| 04/05/1994 | CA1328301C Continuously adaptive phase locked loop synthesizer |
| 03/31/1994 | DE4232408A1 Frequency regulator for VCO - uses difference between oscillator signal and reference clock signal to control charging and discharging of capacitor |
| 03/31/1994 | DE4232139A1 Phase difference detector, esp. for PLL frequency synthesiser - generates follow-up signal for detected output signal to detect phase difference |
| 03/31/1994 | DE4232037A1 Circuit with two mutually synchronising VCO's - has two identical phase locked loops, each with oscillator phase discriminator, and loop filter. |
| 03/29/1994 | US5299237 Asymmetrical data tracking digital phase locked loop |
| 03/29/1994 | US5298999 Jitter detection circuit |
| 03/29/1994 | US5298870 Voltage controlled ring oscillator having differential amplifier stages |
| 03/29/1994 | US5298867 Phase-locked loop with controlled phase slippage |
| 03/29/1994 | US5297869 Apparatus and method for synchronizing a digital data clock in a receiver with a digital data clock in a transmitter |
| 03/29/1994 | CA1328126C Signal generator utilizing a combined phase locked and frequency locked loop |
| 03/24/1994 | DE4242807C1 Synchronising signal generator to external clock signal - allowing signal generator to take on timing ratio of external clock signal. |
| 03/23/1994 | EP0588656A2 Digital PLL circuit having signal edge position measurement |
| 03/23/1994 | EP0587760A1 Radio with fast lock phase-locked loop |
| 03/23/1994 | EP0587680A1 Method and apparatus for detecting a sequence of clock reference pulses |
| 03/23/1994 | CN1084325A Atomic frequency standard cell and method for forming same |
| 03/22/1994 | US5297181 Method and apparatus for providing a digital audio interface protocol |
| 03/22/1994 | US5297173 Phase/frequency comparator for timing recovering circuit |
| 03/22/1994 | US5297172 Method and apparatus for clock recovery for digitally implemented modem |
| 03/22/1994 | US5296820 Coherent demodulator preceded by non-coherent demodulator and automatic frequency control circuit |
| 03/17/1994 | WO1994006204A1 Compensated digital frequency synthesizer |
| 03/16/1994 | EP0586603A1 Digital-to-analog converter-preamplifier apparatus |
| 03/15/1994 | US5295164 Apparatus for providing a system clock locked to an external clock over a wide range of frequencies |
| 03/15/1994 | US5295079 Digital testing techniques for very high frequency phase-locked loops |
| 03/15/1994 | US5294895 Microwave oscillators and transmitters with frequency stabilization |
| 03/15/1994 | US5294894 Method of and apparatus for startup of a digital computer system clock |
| 03/15/1994 | US5294844 Sampling signal generation circuit |
| 03/09/1994 | EP0586236A2 Clock generators for magnetic disk drives |
| 03/09/1994 | EP0585806A2 Digital phase comparator and phase-locked loop |
| 03/08/1994 | US5293445 AGC with non-linear gain for PLL circuits |
| 03/08/1994 | US5293275 Data recovery system for information recording media |
| 03/08/1994 | CA2010265C Phase-locked loop apparatus |
| 03/03/1994 | DE4228834A1 Oscillating signal generating stage e.g. PLL balancing method - superimposing signal on oscillator control signal causing control signal value to correspond to neutral value |
| 03/02/1994 | EP0585090A2 Phase-locked loop system with compensation for data-transition-dependent variations in loop gain |
| 03/02/1994 | EP0585050A2 Multi-mode frequency synthesiser with reduced jitter |
| 03/01/1994 | US5291144 Phase-locked circuit capable of being quickly put in a phase-locked state |
| 03/01/1994 | US5291081 Apparatus for detection of non-modulated signal and frequency acquisition |
| 02/25/1994 | CA2104624A1 Frequency stabilized electronic ballast and fluorescent lamp system |
| 02/23/1994 | EP0583839A1 Multiphase output oscillator |
| 02/23/1994 | EP0583804A1 A phase locked loop circuit |
| 02/23/1994 | EP0583802A1 A signal generator suitable for use in a frequency synthesizer |
| 02/23/1994 | EP0583801A1 A phase locked loop circuit including a frequency detection function |
| 02/23/1994 | EP0583800A1 A voltage controlled oscillator |
| 02/23/1994 | EP0583586A1 Charge pump in a phase lock loop |
| 02/17/1994 | WO1994003971A1 Microwave oscillator with improved phase noise characteristic |
| 02/16/1994 | EP0375717B1 A controlled oscillator |
| 02/16/1994 | CN1082267A Pll circuitry |
| 02/15/1994 | US5287073 Phase locked loop using pilot signal for lock detection |
| 02/15/1994 | US5287025 Timing control circuit |
| 02/15/1994 | US5286941 High frequency heating generator having an improved matching network between a tetrode amplifier and a resonant circuit |
| 02/15/1994 | CA2049346C Fast-switching frequency synthesizer |
| 02/15/1994 | CA1327069C Receiver for bandspread signals, particularly gps receiver |
| 02/15/1994 | CA1327064C Phase-locked loop circuit |
| 02/09/1994 | EP0582390A1 Dual mode phase-locked loop |
| 02/09/1994 | EP0252943B1 Variable capacitance circuit |
| 02/08/1994 | USRE34540 Frequency modulated radio frequency broadcast network employing a synchronous frequency modulated booster system |
| 02/08/1994 | US5285483 Phase synchronization circuit |
| 02/08/1994 | US5285374 Apparatus for generating digital signal synchronized with phase of power supply |
| 02/08/1994 | US5285120 For providing two output signals derived from a common input signal |
| 02/08/1994 | US5285114 Phase lock loop charge pump with symmetrical charge and discharge currents |
| 02/03/1994 | WO1994002994A1 A method and a device for generating a clock signal in a multiplexing system |
| 02/01/1994 | CA2009468C Frequency control apparatus and method for a digital radio receiver |
| 02/01/1994 | CA1326713C Computer system clock generator |
| 01/26/1994 | EP0580209A1 Low-Gain, range programmable temperature compensated voltage controlled oscillator |
| 01/26/1994 | EP0579978A1 Frequency synthesizer |
| 01/26/1994 | EP0579778A1 Multi-level symbol synchronizer |
| 01/25/1994 | US5281930 Frequency modulator |
| 01/25/1994 | US5281927 Integrated phase lock loop |
| 01/25/1994 | US5281926 Method for controlling an oscillator signal |
| 01/25/1994 | US5281874 Compensated digital delay semiconductor device with selectable output taps and method therefor |
| 01/25/1994 | US5281863 Phase-locked loop frequency-multiplying phase-matching circuit with a square-wave output |
| 01/19/1994 | EP0579259A1 Atomic frequency standard cell and method for forming same |
| 01/19/1994 | CN1081034A Clock extraction circuit for fiber optical receivers |
| 01/19/1994 | CN1081032A 频率合成器 Frequency synthesizer |
| 01/18/1994 | US5280539 Synchronous circuit for serial input signal |
| 01/18/1994 | CA2098966A1 Atomic frequency standard cell and method for forming same |
| 01/12/1994 | EP0316340B1 Data input circuit with digital phase locked loop |
| 01/11/1994 | US5278874 Phase lock loop frequency correction circuit |
| 01/11/1994 | US5278522 High frequency voltage controlled oscillator |
| 01/11/1994 | US5278521 Power saving frequency synthesizer with fast pull-in feature |
| 01/11/1994 | US5278520 Phase lock detection in a phase lock loop |
| 01/06/1994 | WO1994000919A1 Synchronous tracking am receiver |
| 01/05/1994 | EP0577518A1 Synchronisation device for a machine and an ink jet printer of the machine and an ink jet printer using this device |
| 01/04/1994 | USRE34499 Frequency modulated radio frequency broadcast network employing a synchronous frequency modulated booster system |
| 01/04/1994 | US5276716 Bi-phase decoder phase-lock loop in CMOS |
| 01/04/1994 | US5276661 Master clock generator for a parallel variable speed constant frequency power system |
| 01/04/1994 | US5276408 PLL frequency synthesizer capable of changing an output frequency at a high speed |
| 01/04/1994 | US5276356 High speed output circuit having current driving capability which is independent of temperature and power supply voltage |
| 12/29/1993 | EP0576381A1 Method and device for the servo-control of a magnetic field |
| 12/29/1993 | EP0576168A1 Digital phase locked loop |
| 12/29/1993 | EP0575713A1 A phase lock loop |
| 12/29/1993 | EP0575691A2 Compact phase recovery scheme using digital circuits |
| 12/29/1993 | CN1023368C Phase detector |
| 12/21/1993 | US5272730 Digital phase-locked loop filter |
| 12/21/1993 | US5272534 Television receiver with automatic tuning control |
| 12/21/1993 | US5272453 Method and apparatus for switching between gain curves of a voltage controlled oscillator |
| 12/21/1993 | US5272452 PLL frequency synthesizer with variable bandwidth loop filter |
| 12/21/1993 | US5272451 Clock reproducing circuit for eliminating an unnecessary spectrum |