| Patents for H03L 1 - Stabilisation of generator output against variations of physical values, e.g. power supply (2,641) |
|---|
| 06/15/1999 | US5912592 Piezoelectric oscillator |
| 06/09/1999 | EP0921640A2 Voltage controlled oscillation circuit |
| 05/26/1999 | EP0917764A2 Oscillator frequency-drift compensation |
| 05/18/1999 | US5905412 Method of generating an oscillating clock signal |
| 05/14/1999 | WO1999023753A1 Crystal oscillator with agc and on-chip tuning |
| 05/14/1999 | WO1999016172A3 Temperature compensation in electronic devices |
| 05/06/1999 | EP0913945A2 Temperature compensating circuit for a crystal oscillator |
| 05/04/1999 | US5900784 Very low-gain voltage controlled oscillator |
| 04/28/1999 | EP0698313B1 Method for starting a radio transmitter and a radio transmitter |
| 04/27/1999 | US5898345 Oscillator circuit with first and second frequency control elements |
| 04/15/1999 | WO1999003194A9 Thermostatically controlled quartz generator |
| 04/07/1999 | CN1213468A Frequency synthesizer with temp. compensation and frequency multiplication function and method thereof |
| 04/06/1999 | US5892408 Method and system for calibrating a crystal oscillator |
| 04/01/1999 | WO1999016172A2 Temperature compensation in electronic devices |
| 03/31/1999 | CN1212520A Method and apparatus for producing temperature stable frequency at reduced cost |
| 03/30/1999 | US5889440 Adaptive frequency compensation technique |
| 03/30/1999 | US5889438 Phase-locked oscillation and control circuit with a wavelet filter |
| 03/17/1999 | CN1211354A Temperature compensation circuit for a crystal oscillator and method of providing same |
| 03/16/1999 | US5883550 Crystal oscillator with a temperature-compensating analog circuit |
| 03/10/1999 | EP0901231A2 Method and apparatus for producing a temperature stable frequency at reduced cost |
| 03/10/1999 | EP0901127A2 Temperature independent oscillator |
| 03/10/1999 | CN1210393A Temperature independent oscillator |
| 03/09/1999 | US5881374 Circuitry and method for detecting frequency deviation caused by aging of an oscillator |
| 03/09/1999 | US5881364 Radio pager having correcting circuit responsive to temperature variation |
| 03/09/1999 | US5880579 VCO supply voltage regulator for PLL |
| 03/04/1999 | WO1998056112A3 Oscillator frequency-drift compensation |
| 02/24/1999 | EP0897616A1 Frequency synthesizer with temperature compensation and frequency multiplication and method of providing the same |
| 02/23/1999 | US5875388 Crystal oscillator with automatic compensation for aging and temperature |
| 02/23/1999 | US5874864 Crystal oscillating device and method of adjusting said crystal oscillating device |
| 02/09/1999 | US5870345 For an integrated circuit device |
| 02/09/1999 | US5870004 Temperature compensated frequency generating circuit |
| 02/09/1999 | US5869909 Active ground compensation |
| 01/26/1999 | US5864749 Telecommunication terminal |
| 01/26/1999 | CA2113761C A current-controlled oscillator |
| 01/21/1999 | WO1999003195A1 Function generation circuit, crystal oscillation device, and method of adjusting the crystal oscillation device |
| 01/21/1999 | WO1999003194A2 Thermostatically controlled quartz generator |
| 01/19/1999 | US5861768 Resolver exciter having a simple power source unit |
| 01/12/1999 | US5859560 For biasing a load |
| 01/12/1999 | CA2126872C Temperature compensation of a crystal reference using direct synthesis |
| 01/07/1999 | WO1999000902A1 Communication device a frequency compensating synthesizer and method of providing same |
| 01/05/1999 | US5856766 Communication device with a frequency compensating synthesizer and method of providing same |
| 12/30/1998 | EP0886921A1 Temperature compensation circuit for a crystal oscillator and method of providing same |
| 12/30/1998 | EP0799496A4 Function-differentiated temperature compensated crystal oscillator and method of producing the same |
| 12/29/1998 | US5854578 Active circuit having a temperature stable bias |
| 12/23/1998 | EP0800724A4 Lamp oscillator for atomic frequency standards |
| 12/16/1998 | EP0884845A1 Automatic frequency control method and circuit |
| 12/16/1998 | CN1202038A Apparatus and method for adjusting temperature compensated quartz oscillator |
| 12/10/1998 | WO1998056112A2 Oscillator frequency-drift compensation |
| 12/10/1998 | WO1998056105A1 Approximate third-order function generator, temperature compensation quartz oscillation circuit made by using the same, and temperature compensation method |
| 12/08/1998 | US5848355 Frequency synthesizer correction using a temperature responsive divisor control |
| 12/01/1998 | US5844446 Oscillator based tamperproof precision timing circuit |
| 11/18/1998 | EP0878909A1 Apparatus and method for adjusting temperature compensated quarz oscillator |
| 11/18/1998 | CN1199287A Active ground compensation |
| 11/17/1998 | US5839059 Method for starting a radio transmitter, and a radio transmitter using a start-up estimated control voltage needed for locking onto selected output frequency |
| 11/11/1998 | EP0877494A2 Active ground compensation for power line communication |
| 11/03/1998 | US5831485 In a low cost digital signal measuring apparatus |
| 10/20/1998 | US5825238 Circuit for filtering a power supply for noise sensitive devices |
| 10/15/1998 | WO1998045950A1 Afc-digital tuning through mutual digital synthesis |
| 10/15/1998 | DE19814179A1 Logical advancing or delaying circuit for regulating frequency divider output signal |
| 10/07/1998 | EP0566586B1 An oscillator unit with improved frequency stability |
| 09/29/1998 | US5815043 Frequency controlled ring oscillator having by passable stages |
| 09/09/1998 | EP0863616A1 Phase locked loop |
| 09/08/1998 | US5805028 Temperature-compensating piezo-oscillator |
| 09/01/1998 | US5801596 Temperature compensation type quartz oscillator |
| 09/01/1998 | US5801594 Quartz oscillator device and its adjusting method |
| 08/27/1998 | WO1998037635A1 Temperature insensitive silicon oscillator and precision voltage reference formed therefrom |
| 08/27/1998 | CA2282604A1 Temperature insensitive silicon oscillator and precision voltage reference formed therefrom |
| 08/25/1998 | US5798667 Method and apparatus for regulation of power dissipation |
| 08/18/1998 | US5796313 Low power programmable ring oscillator |
| 08/06/1998 | WO1998034349A1 Circuitry and method for detecting frequency deviation caused by aging of an oscillator |
| 08/06/1998 | WO1998034123A1 Method and system for calibrating a crystal oscillator |
| 07/28/1998 | US5786735 Phase and magnitude compensated tuning for suppression of vibration induced phase noise of crystal oscillator with varying vibration frequencies |
| 07/21/1998 | US5783973 Temperature insensitive silicon oscillator and precision voltage reference formed therefrom |
| 07/16/1998 | WO1998031104A1 Pll oscillator and method for manufacturing the same |
| 07/14/1998 | US5781075 Temperature sensing apparatus |
| 07/14/1998 | US5781073 Temperature compensation method for an output frequency drift of an oscillator |
| 07/07/1998 | US5777525 Oscillating apparatus having variably controlled vibration cancellation |
| 07/07/1998 | US5777524 Temperature compensation circuit for a crystal oscillator and associated circuitry |
| 06/30/1998 | US5774800 Radio communication apparatus with reference frequency control based on stored characteristic control data |
| 06/30/1998 | US5774023 Adaptive phase locked loop system with charge pump having dual current output |
| 06/25/1998 | WO1998027652A1 Temperature compensation circuit for a crystal oscillator and method of providing same |
| 06/25/1998 | WO1998027651A1 Temperature compensation circuit for a crystal oscillator |
| 06/09/1998 | US5764110 Voltage controlled ring oscillator stabilized against supply voltage fluctuations |
| 06/02/1998 | US5760657 Method and apparatus employing a process dependent impedance that compensates for manufacturing variations in a voltage controlled oscillator |
| 06/02/1998 | US5760656 Temperature compensation circuit for a crystal oscillator and associated circuitry |
| 05/26/1998 | US5757244 Digital control type oscillation circuit of portable telephone, crystal resonator oscillation frequency calculating method, and outputfrequency correcting method |
| 05/13/1998 | CN1181525A High thermal gain oven |
| 05/12/1998 | US5751196 Circuit arrangement for compensating frequency deviations of a voltage-controlled oscillator, using a second oscillator |
| 05/12/1998 | US5751194 Phase-locked loop having charge pump controlled according to temperature and frequency |
| 05/05/1998 | US5748044 Dual VCO phase-locked loop |
| 04/15/1998 | EP0835553A1 Automatic local oscillator frequency stabilization process in radio receivers employing a wide-band tunable local dielectric-resonator oscillator and associated device |
| 04/14/1998 | US5740525 Method and apparatus for temperature compensation of a reference oscillator in a communication device |
| 04/09/1998 | WO1998015053A1 An oscillator based tamperproof precision timing circuit |
| 04/08/1998 | EP0834994A1 Circuit arrangement comprising an oscillator |
| 03/24/1998 | US5731742 External component programming for crystal oscillator temperature compensation |
| 03/18/1998 | EP0829142A1 Telecommunication terminal |
| 03/17/1998 | US5729181 High thermal gain oven with reduced probability of temperature gradient formation for the operation of a thermally stable oscillator |
| 03/11/1998 | CN1175817A Controllable-frequency oscillator |
| 03/04/1998 | CN1175130A Phase-Locking oscillation circuit |
| 03/03/1998 | US5724009 Crystal oscillator having input/output pins selectively used for analog or digital signals |