| Patents for H03L 1 - Stabilisation of generator output against variations of physical values, e.g. power supply (2,641) |
|---|
| 08/05/1993 | WO1993015555A1 Temperature compensation of a crystal reference using direct digital synthesis |
| 08/04/1993 | EP0497773A4 Low voltage vco temperature compensation |
| 07/20/1993 | USRE34317 Variable frequency oscillator |
| 06/17/1993 | DE4302529A1 Temp.-stabilised oscillator circuit with controlled heating element - detects change of impedance at output of VCO associated with temp.-sensitive measurement oscillator |
| 06/01/1993 | US5216389 Temperature compensation of a crystal reference using direct digital synthesis |
| 05/25/1993 | US5214668 Temperature detector and a temperature compensated oscillator using the temperature detector |
| 04/20/1993 | US5204975 Digitally-corrected temperature-compensated crystal oscillator having a correction-suspend control for communications service |
| 04/20/1993 | US5204972 Arrangement for compensating for temperature dependent performance characteristics of surface acoustic wave filter |
| 04/20/1993 | US5204640 Widely tunable oscillator stabilization using analog fiber optic delay line |
| 04/06/1993 | US5200714 Crystal oscillator with quartz vibrator having temperature detecting faculty, quartz vibrator for use therein, and method of measuring temperature using quartz vibrator |
| 03/18/1993 | WO1993005578A1 Frequency synthesizer |
| 03/10/1993 | EP0453508B1 Oscillator stabilized against variations in temperature for oscillating circuits |
| 02/24/1993 | EP0474729A4 Voltage control oscillator with automatic current control |
| 01/28/1993 | DE4124456A1 Temp. stable microwave cavity oscillator - is rated for mm wave range and has thermally coupled housing for retaining temp. compensation |
| 01/20/1993 | EP0523854A2 Voltage controlled oscillator |
| 01/19/1993 | US5180995 Temperature-compensated ring oscillator circuit formed on a semiconductor substrate |
| 12/29/1992 | US5175512 High speed, power supply independent CMOS voltage controlled ring oscillator with level shifting circuit |
| 12/15/1992 | US5172075 Self-calibrating temperature-compensated frequency source |
| 12/08/1992 | US5170136 Digital temperature compensation oscillator |
| 12/01/1992 | CA1311021C Method and circuit for the reduction of the temperature dependency of the oscillating parameter of an oscillator |
| 11/10/1992 | US5162758 Digital control type temperature-compensated crystal oscillator |
| 10/20/1992 | US5157278 Substrate voltage generator for semiconductor device |
| 10/06/1992 | US5153531 Arrangement for stabilizing oscillation frequency and phase of a high frequency oscillator |
| 09/30/1992 | EP0482020A4 Self-calibrating temperature-compensated frequency source |
| 09/29/1992 | US5151667 Temperature compensated oscillation circuit |
| 09/02/1992 | EP0501620A1 Wideband oscillator with bias compensation |
| 08/12/1992 | EP0497773A1 Low voltage vco temperature compensation |
| 07/23/1992 | WO1992012576A1 An oscillator unit with improved frequency stability |
| 07/01/1992 | CN1017293B Phase-control circuit |
| 06/30/1992 | US5126699 Digitally compensated modulation system for frequency synthesizers |
| 06/02/1992 | CA1302524C Controllable frequency, temperature compensated piezo- electric oscillatorof high spectral purity |
| 05/26/1992 | US5117206 Variable capacitance integrated circuit usable in temperature compensated oscillators |
| 05/26/1992 | US5117205 Electrically controllable oscillator circuit, and electrically controllable filter arrangement comprising said circuits |
| 05/12/1992 | US5113416 Digital radio frequency compensation |
| 04/29/1992 | EP0483090A1 Digital radio frequency compensation |
| 04/29/1992 | EP0482020A1 Self-calibrating temperature-compensated frequency source |
| 04/16/1992 | WO1992006538A1 Temperature-compensated crystal oscillator |
| 03/25/1992 | CN1016035B Voltage control oscillator with automatic current control |
| 03/18/1992 | EP0474729A1 Voltage control oscillator with automatic current control. |
| 03/17/1992 | US5097228 Wideband oscillator with bias compensation |
| 02/18/1992 | US5089794 Vibration absorbing case for an oscillator |
| 02/18/1992 | US5089793 Semiconductor device having an oscillatory circuit |
| 02/05/1992 | EP0469193A1 Temperature stabilized crystal oscillator |
| 01/15/1992 | EP0431067A4 Temperature stable oscillator |
| 01/14/1992 | US5081431 Digital temperature-compensated oscillator |
| 01/14/1992 | CA1294336C Temperature compensated piezoelectric oscillator |
| 12/10/1991 | US5072197 Ring oscillator circuit having improved frequency stability with respect to temperature, supply voltage, and semiconductor process variations |
| 12/10/1991 | US5072180 Temperature compensated method and apparatus for detecting the oscillation of a resonant circuit to determine distance or proximity |
| 11/21/1991 | EP0457348A2 Oscillation circuit |
| 11/06/1991 | EP0455298A1 Electrically controllable oscillator circuit and electrically controllable filter arrangement comprising said circuit |
| 11/05/1991 | US5063360 Pulse repetition frequency pushing compensation circuit |
| 10/30/1991 | EP0453508A1 Oscillator stabilized against variations in temperature for oscillating circuits. |
| 10/29/1991 | US5061908 Emitter-coupled multivibrator circuit independent of temperature and supply voltage |
| 10/02/1991 | EP0449721A1 Thermostated piezoelectric resonator, which is insensitive to elimatic variations |
| 08/20/1991 | US5041800 Lower power oscillator with heated resonator (S), with dual mode or other temperature sensing, possibly with an insulative support structure disposed between the resonator (S) and a resonator enclosure |
| 08/20/1991 | US5041799 Temperature compensation circuit for a crystal oscillator |
| 08/13/1991 | US5039877 Low current substrate bias generator |
| 07/30/1991 | US5036295 Frequency synthesizer allowing rapid frequency switching |
| 07/30/1991 | CA1287130C Phase modulator apparatus for generating a burst phase-modulated wave |
| 06/18/1991 | US5025231 Temperature-controlled crystal oscillator circuit |
| 06/18/1991 | US5025228 Ultrastable oscillator functioning at atmospheric pressure and under vacuum |
| 06/12/1991 | EP0431887A2 Variable capacitance capacitor array |
| 06/12/1991 | EP0431067A1 Temperature stable oscillator |
| 05/29/1991 | EP0428672A1 Oscillator temperature compensating circuit using stored and calculated values |
| 04/30/1991 | US5012204 Phase control circuit for regulating a CD player drive |
| 04/05/1991 | CA2022070A1 Temperature compensated crystal oscillator (tcxo) with improved temperature compensation |
| 04/03/1991 | EP0420495A2 Shield case structure for an oscillator |
| 04/02/1991 | US5004988 Quartz crystal oscillator with temperature-compensated frequency characteristics |
| 04/02/1991 | US5004987 Temperature compensated crystal resonator found in a dual-mode oscillator |
| 03/12/1991 | CA1281387C Frequency temperature characteristics of crystal |
| 02/13/1991 | EP0412491A2 Frequency Synthesizer |
| 01/31/1991 | DE3924860A1 Sensor modulation signal generator - has first memory at data input bus of second memory, and control module of latter address bus |
| 01/23/1991 | EP0409329A2 Multivibrator circuit operating independently of temperature and supply voltage |
| 01/19/1991 | WO1991001590A1 Low voltage vco temperature compensation |
| 01/19/1991 | CA2064086A1 Low voltage vco temperature compensation |
| 01/15/1991 | US4985687 Low power temperature-controlled frequency-stabilized oscillator |
| 12/23/1990 | WO1990016113A1 Self-calibrating temperature-compensated frequency source |
| 12/23/1990 | CA2062737A1 Self-calibrating temperature-compensated frequency source |
| 12/18/1990 | US4978930 Low voltage VCO temperature compensation |
| 12/13/1990 | WO1990015483A1 Oscillator temperature compensating circuit using stored and calculated values |
| 12/12/1990 | EP0401919A1 Temperature controlled crystal oscillator circuit |
| 12/12/1990 | CN1047773A Voltage control oscillator with automatic current control |
| 12/05/1990 | EP0401136A1 Detection circuit and method for temperature-compensating of the oscillation of a resonating circuit |
| 12/03/1990 | WO1990015484A1 Voltage control oscillator with automatic current control |
| 11/06/1990 | US4968952 Voltage control oscillator with automatic current control |
| 10/30/1990 | US4967165 Crystal reference for use in oscillator circuit |
| 09/12/1990 | EP0386322A1 Circuit arrangement for the compensation of the frequency change with the temperature of a quarz oscillator |
| 08/21/1990 | US4951007 Temperature compensated crystal oscillator (TCXO) with improved temperature compensation |
| 08/14/1990 | US4949055 Crystal oscillator compensation circuit |
| 08/14/1990 | US4949054 Temperature stable oscillator |
| 07/26/1990 | WO1990008429A1 Oscillator stabilized against variations in temperature for oscillating circuits |
| 07/17/1990 | US4942372 Method and circuit for reduction of temperature dependency in an oscillator |
| 06/27/1990 | EP0374235A1 Phase-control circuit. |
| 05/02/1990 | EP0366373A2 Oscillator with transient frequency response compensation |
| 05/01/1990 | US4922212 Oscillator temperature compensating circuit using stored and calculated values |
| 05/01/1990 | US4921467 Local oscillators for radio receivers |
| 04/25/1990 | CA2001208A1 Oscillator with transient frequency response compensation |
| 04/17/1990 | US4918404 Phase locked loop with self-adjusting circuit for oscillator working point |
| 04/10/1990 | US4916413 Package for piezo-oscillator |
| 03/20/1990 | US4910473 Digitally temperature-compensated oscillator |