| Patents for H03B 1 - Details (4,410) |
|---|
| 02/12/1998 | WO1998006169A1 Voltage to current converter for high frequency applications |
| 02/11/1998 | EP0823777A1 Voltage controlled oscillator and adjusting method thereof |
| 02/04/1998 | EP0821846A1 An apparatus and method for using negative fm feedback in high quality oscillator devices |
| 02/03/1998 | US5715528 Converting capacitance to inductance in a floating resonant |
| 02/03/1998 | US5715353 Sine-wave modulator and playback/recording modulator-demodulator for a high-fidelity video playback/recording system |
| 02/03/1998 | US5714915 Oscillator |
| 02/03/1998 | US5714914 High-power low-noise voltage-controlled oscillator |
| 02/03/1998 | CA2110756C Oscillation circuit |
| 01/28/1998 | EP0821470A1 Voltage-controlled oscillator circuit |
| 01/27/1998 | US5712601 Oscillation circuit |
| 01/27/1998 | US5712599 Oscillator having two cascaded gain stages with feedback operating near their unity gain frequency |
| 01/27/1998 | US5712596 Tunable crystal oscillator with harmonic output |
| 01/13/1998 | US5708397 High frequency circuit device with stripline having an adjustable attachment position for varactor diode terminal |
| 01/13/1998 | US5708394 Bridge-stabilized oscillator circuit and method |
| 01/08/1998 | WO1998000919A1 Bridge-stabilized oscillator circuit and method |
| 01/08/1998 | WO1998000904A1 Microwave oscillator |
| 01/08/1998 | CA2253586A1 Bridge-stabilized oscillator circuit and method |
| 01/02/1998 | DE19626214A1 Mikrowellenoszillator Microwave oscillator |
| 12/17/1997 | EP0812490A1 High-power low-noise voltage-controlled oscillator |
| 12/09/1997 | US5697095 For outputting a local oscillation signal to a mixer |
| 12/09/1997 | US5697068 System and method for providing a non-invasively tunable transceiver synthesizer |
| 12/09/1997 | CA2081004C Apparatus and method for reducing harmonic interference generated by a clock signal |
| 12/02/1997 | US5694092 Voltage-controlled oscillator including first and second varactors having differing rates of change in capacitance value |
| 11/26/1997 | EP0809350A1 Digitally controlled quartz oscillator and monolithic integrated oscillator circuit |
| 11/13/1997 | WO1997042703A1 Dithered clock circuit for reduced radio interference |
| 11/11/1997 | US5686868 Semiconductor integrated circuit having VCO coupled through capacitance and buffer circuits |
| 10/29/1997 | CN1163511A Balance integrated semiconductor device worked with parallel resonant circuit |
| 10/14/1997 | US5677650 Ring oscillator having a substantially sinusoidal signal |
| 10/09/1997 | WO1997037432A1 Portable radio comprising a connectable circuit |
| 08/26/1997 | US5661439 Method and apparatus for cancelling phase noise |
| 08/20/1997 | EP0695478B1 A phase lock loop with error consistency detector |
| 08/19/1997 | US5659587 Spread spectrum phase-locked loop clock generator with VCO driven by a symmetrical voltage ramp signal |
| 08/13/1997 | EP0789455A1 A tuning circuit for a radio receiver |
| 08/13/1997 | EP0695480B1 A phase lock loop with idle mode of operation during vertical blanking |
| 08/13/1997 | EP0695479B1 A phase lock loop with error measurement and correction in alternate periods |
| 08/06/1997 | EP0787382A1 A second generation low noise microwave voltage controlled oscillator |
| 08/05/1997 | US5654678 Level-controlled oscillation circuit having a continuously variable impedance control circuit |
| 08/05/1997 | US5654676 Shielded VCO module having trimmable capacitor plate external to shield |
| 07/29/1997 | US5652550 Method and apparatus for isolating an oscillator from external mechanical and thermal effects using aerogels |
| 07/23/1997 | EP0785616A1 A balanced integrated semiconductor device operating with a parallel resonator circuit |
| 07/23/1997 | EP0785591A2 Variable-frequency resonator, variable-frequency oscillator, and variable-frequency filter |
| 07/23/1997 | CN1155181A Phase-locked ring type device for demodulation to frequncy-modulated signal |
| 07/22/1997 | US5650755 Voltage controlled oscillator module assembly |
| 07/22/1997 | US5650754 Phase-loched loop circuits and voltage controlled oscillator circuits |
| 06/25/1997 | CN1152817A Pressure-controlled oscillator for upper/lower transverter of digital radio communication system |
| 06/18/1997 | EP0778994A2 Tunable crystal oscillator with harmonic output |
| 06/18/1997 | CN1152214A Tuner circuit having local oscillator circuit including coaxial resonator |
| 06/05/1997 | DE19641840A1 Treiberschaltung für Hochleistungs-Halbleiterbauteile mit MOS-Gatesteuerung Driving circuit for high-power semiconductor components with a MOS gated |
| 06/03/1997 | US5635878 Differential-type voltage-controlled oscillator with low-frequency stability compensation |
| 05/29/1997 | WO1997019512A1 Dielectric resonator |
| 05/27/1997 | US5634207 Frequency converter capable of reducing noise components in local oscillation signals |
| 05/22/1997 | DE19647383A1 Voltage-controlled oscillator |
| 05/20/1997 | US5631609 Piezoelectric oscillator, voltage-controlled oscillator and production method thereof |
| 05/15/1997 | DE19542419A1 High frequency surgical generator for tissue differentiation |
| 05/15/1997 | DE19542417A1 High frequency generator for high frequency surgery |
| 05/13/1997 | US5629652 Band-switchable, low-noise voltage controlled oscillator (VCO) for use with low-q resonator elements |
| 05/07/1997 | EP0772289A1 Device of the phase locked loop type for demodulating a frequency modulated signal |
| 04/29/1997 | CA2071817C High-frequency voltage controlled oscillator |
| 04/24/1997 | DE19630404A1 Spannungsgesteuerter Oszillator für Aufwärts-/Abwärtswandler in digitalen Funkkommunikationssystemen A voltage controlled oscillator for up / down converters in digital radio communication systems |
| 04/23/1997 | CN1148280A Micro-wave resonator circuit and the application for lower frequency-changer |
| 04/16/1997 | CN1147729A Procedure for resonant circuit tuning by changing feed voltage of capacitance diode |
| 04/09/1997 | EP0767531A1 A microwave oscillation circuit and a down converter using the same |
| 04/09/1997 | EP0766833A1 Electronic viewing aid |
| 04/02/1997 | EP0766375A1 Voltage controlled oscillator |
| 04/01/1997 | US5617104 High Tc superconducting tunable ferroelectric transmitting system |
| 03/25/1997 | US5614870 For generating an oscillatory signal that is locked to synchronizing signal |
| 03/13/1997 | DE19532905A1 Variable frequency electronic HF oscillator |
| 03/12/1997 | EP0761038A1 Variable-frequency oscillator circuit |
| 03/12/1997 | EP0760954A1 Phase noise detector |
| 03/11/1997 | US5610560 Oscillator with switched reactive elements |
| 03/04/1997 | CA2067047C Oscillating circuit |
| 02/27/1997 | WO1997002652A3 Tunable crystal oscillator with harmonic output |
| 02/26/1997 | EP0759657A1 Method for the tuning of a resonant circuit by changing the voltage supply of a capacitance diode |
| 02/25/1997 | US5606737 Oscillator mixer and a multiplier mixer for outputting a baseband signal based upon an input and output signal |
| 02/25/1997 | US5606294 Automatic gain control circuit and method |
| 02/06/1997 | WO1997004529A1 Method and apparatus for reduction of transmitter-chain noise in portable duplex transceivers |
| 02/04/1997 | US5600279 VCO having adjustment for fluctuations in relation between control voltage and output frequency |
| 01/23/1997 | WO1997002652A2 Tunable crystal oscillator with harmonic output |
| 01/22/1997 | EP0755112A1 Tunable voltage-controlled oscillator |
| 01/22/1997 | CN1140957A Sine-wave modulator and play-back/recording modulator-demodulator for high-fidelity video play-back-recording system |
| 01/22/1997 | CN1140928A 电压控制振荡器 A voltage controlled oscillator |
| 01/07/1997 | US5592129 High resolution, large multiplication factor digitally-controlled frequency multiplier |
| 12/31/1996 | US5589804 Oscillator with impedance buffer for increased pullability |
| 12/31/1996 | US5589789 Bus driver circuit for high-speed data transmission |
| 12/24/1996 | US5587690 Ring resonator oscillator usable in frequency synthesizers and communication apparatus |
| 12/04/1996 | EP0746092A1 Oscillator |
| 12/03/1996 | US5581584 PLL circuit |
| 12/03/1996 | US5581216 Low jitter voltage controlled oscillator (VCO) circuit |
| 11/27/1996 | EP0744831A2 Wireless unit for a time division multiple access system |
| 11/20/1996 | EP0743746A2 Digitally synchronized sweep signal source |
| 11/19/1996 | US5576713 Compensation circuit for improving modulation characteristic, and modulator and radar equipment using the same |
| 11/19/1996 | US5576667 Voltage control type oscillator |
| 11/19/1996 | CA2054403C Mounting arrangement for a high frequency oscillator |
| 11/13/1996 | CN1135680A Piezoelectric oscillator and voltage-control oscillator, and manufacturing process thereof |
| 11/12/1996 | US5574407 Phase lock loop with error consistency detector |
| 11/12/1996 | US5574406 Phase lock loop with error measurement and correction in alternate periods |
| 11/06/1996 | CN1135137A Circuit device including RF converter, Tuner and IF amplifier |
| 10/24/1996 | WO1996033551A1 An apparatus and method for using negative fm feedback in high quality oscillator devices |
| 10/23/1996 | CN1134068A Delay detection circuit and low-noise oscillation circuit using same |
| 10/22/1996 | US5568096 Apparatus and method for using negative FM feedback in high quality oscillator devices |