| Patents for H03B 5 - Generation of oscillations using amplifier with regenerative feedback from output to input (11,466) |
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| 05/07/1991 | US5014021 Frequency linearization circuit for a microwave VCO in ridged waveguide |
| 04/30/1991 | US5012205 Balanced spurious free oscillator |
| 04/25/1991 | DE3934753A1 HF oscillator with dielectric tubular resonator - has oscillator circuit fitted deep inside dielectric tube |
| 04/23/1991 | US5010308 Crystal oscillator with offset and hysteresis |
| 04/23/1991 | US5010307 Oscillator having periodically pulsed crystal |
| 04/18/1991 | WO1991005403A1 Oscillator |
| 04/17/1991 | EP0151633B1 An interruptible voltage-controlled oscillator |
| 04/02/1991 | US5004989 Oscillator for controlling a mixer stage in a tuner |
| 04/02/1991 | US5004988 Quartz crystal oscillator with temperature-compensated frequency characteristics |
| 03/26/1991 | CA1282128C Voltage controlled oscillator with self-adjustment |
| 03/20/1991 | EP0417985A2 Amplitude stabilized inverting amplifier |
| 03/12/1991 | US4999589 Low phase noise voltage controlled oscillator |
| 03/12/1991 | CA1281387C Frequency temperature characteristics of crystal |
| 03/06/1991 | EP0415664A2 Millimeter wave, lumped element, VCO with ultrabroadband tuning |
| 03/05/1991 | US4998077 VCO having tapered or stepped microstrip resonator |
| 02/27/1991 | EP0414260A2 Frequency synthesizer for implementing generator of highly pure signals and circuit devices, such as VCO, PLL and SG, used therein |
| 02/26/1991 | US4996599 Television tuner oscillator with three point tracking |
| 02/26/1991 | US4996502 Ultrasonic atomizer circuit having plural oscillators |
| 02/26/1991 | US4996499 Amplitude stabilized oscillator amplifier |
| 02/19/1991 | US4994765 Stabilized gated oscillator utilizing a ceramic resonator |
| 02/19/1991 | US4994764 Single-pin oscillator |
| 02/19/1991 | US4994763 Universal voltage-controlled multivibrator |
| 02/13/1991 | EP0412435A2 Voltage-controlled variable oscillator, in particular for phase-lock loops |
| 02/13/1991 | EP0412426A2 Self-oscillating burst mode transmitter with integral number of periods |
| 02/13/1991 | EP0412421A2 Self-oscillating transmitter |
| 02/13/1991 | CN1011649B Low distortion oscillator |
| 02/05/1991 | US4990866 Voltage controlled microwave oscillator using a varactor as inductance |
| 02/05/1991 | US4990865 Transistor microwave oscillator having adjustable zone of potential instability |
| 01/30/1991 | EP0245337B1 Frequency doubling oscillator and mixer circuit |
| 01/29/1991 | US4988959 YIG tuned oscillator using composite feedback |
| 01/29/1991 | US4988957 Electronically-tuned thin-film resonator/filter controlled oscillator |
| 01/29/1991 | US4988900 Analog signal waveform generator |
| 01/22/1991 | US4987388 Crystal oscillator operated in parallel/series mode |
| 01/22/1991 | CA1279381C Dual mode crystal phase shift oscillator |
| 01/19/1991 | WO1991001590A1 Low voltage vco temperature compensation |
| 01/19/1991 | CA2064086A1 Low voltage vco temperature compensation |
| 01/16/1991 | EP0408135A1 Power generator for supplying a highfrequency high-voltage |
| 01/15/1991 | WO1991001591A1 Multiple bandwidth crystal controlled oscillator |
| 01/15/1991 | CA1279111C High frequency oscillator with discrete frequency determining elements |
| 01/09/1991 | EP0406917A1 Oscillator |
| 01/03/1991 | DE3920985A1 Battery-operated transmitter oscillator - has RC diode network at output smoothing supply fluctuations |
| 01/02/1991 | EP0231391B1 Dielectric-resonator-controlled oscillator with frequency multiplication |
| 01/01/1991 | US4982170 Signal processing apparatus |
| 01/01/1991 | US4982167 Zone reflection type microwave oscillator |
| 12/27/1990 | EP0404404A2 Crystal oscillator with broad tuning capability |
| 12/27/1990 | EP0404230A2 Phase locked loop |
| 12/27/1990 | EP0404080A2 An arrangement for supplying an oscillator signal to an external circuit and a prescaler |
| 12/27/1990 | EP0403733A1 Oscillator, particularly for an inductive proximity sensor or switch operating without contact |
| 12/25/1990 | US4980898 Self-oscillating burst mode transmitter with integral number of periods |
| 12/18/1990 | US4978930 Low voltage VCO temperature compensation |
| 12/18/1990 | CA1278050C Integrated microwave oscillator |
| 12/13/1990 | WO1990015477A1 Coil-less overtone crystal oscillator |
| 12/12/1990 | EP0401919A1 Temperature controlled crystal oscillator circuit |
| 12/12/1990 | CN1047773A Voltage control oscillator with automatic current control |
| 12/11/1990 | US4977380 Electronically tuned electro-acoustic power oscillator |
| 12/11/1990 | US4977379 Differential pair, push-push oscillator |
| 12/06/1990 | DE3918061A1 Oscillator with frequency determining crystal - has resonator coupled to first push-pull input of second amplifier, and resistor |
| 12/05/1990 | EP0401136A1 Detection circuit and method for temperature-compensating of the oscillation of a resonating circuit |
| 12/05/1990 | EP0400425A1 Oscillator circuit with differential output |
| 12/04/1990 | USRE33469 Monolithic microwave wide-band VCO |
| 12/04/1990 | CA1277375C Oscillator circuit |
| 12/03/1990 | WO1990015484A1 Voltage control oscillator with automatic current control |
| 11/27/1990 | WO1990014709A1 Electronically controlled oscillator |
| 11/27/1990 | US4973967 Radioaltimeter type of detector and a proximity fuse equipped with such a detector |
| 11/27/1990 | US4973922 Voltage controlled variable capacitor and oscillator using it |
| 11/27/1990 | US4973921 Millimeter wave, lumped element, VCO with ultrabroadband tuning |
| 11/27/1990 | US4973920 Controllable quadrature oscillator |
| 11/27/1990 | CA2057073A1 Electronically controlled oscillator |
| 11/22/1990 | EP0398331A2 Oscillator circuit incorporated in a semiconductor circuit |
| 11/20/1990 | US4972438 Self-oscillating transmitter |
| 11/07/1990 | EP0395782A1 Oscillator |
| 11/06/1990 | US4968959 Microwave frequency divider |
| 11/06/1990 | US4968953 Oscillation circuit for proximity switch |
| 11/06/1990 | US4968952 Voltage control oscillator with automatic current control |
| 10/31/1990 | DE3914359A1 Monolithically integrated HF VCO - consists of inverting amplifier stage, followed by non-inverting one, with latter feedback to former |
| 10/30/1990 | US4967166 Crystal oscillator and method for mounting the same |
| 10/30/1990 | US4967165 Crystal reference for use in oscillator circuit |
| 10/30/1990 | US4966649 Hermetic sealing of recess gives self-oscillating hollow chamber; amplification |
| 10/23/1990 | US4965535 Multiple speed oscillator |
| 10/18/1990 | WO1990012450A1 Oscillator |
| 10/03/1990 | CN1009889B Waveguide type fet oscillator |
| 09/26/1990 | EP0388890A2 Reactance control circuit with a DC amplifier for minimizing a variation of a reference reactance value |
| 09/25/1990 | US4959625 Wide bond balanced output frequency modulator using a video signal as a modulation signal |
| 09/25/1990 | US4959624 Coil-less overtone crystal oscillator |
| 09/19/1990 | EP0387746A1 High frequency transistor oscillator |
| 09/19/1990 | EP0387745A1 High frequency VCO |
| 09/19/1990 | CN1045496A Heterodyne stage having precise closed-loop control of amplitude of injection signal thereof |
| 09/12/1990 | EP0386498A1 Oscillator |
| 09/12/1990 | EP0386322A1 Circuit arrangement for the compensation of the frequency change with the temperature of a quarz oscillator |
| 09/11/1990 | US4956618 Start-up circuit for low power MOS crystal oscillator |
| 09/11/1990 | US4956617 Mechanical adjustment arrangement for dielectric resonator oscillator |
| 09/11/1990 | US4955553 Coiling reel |
| 09/05/1990 | CN1009521B Clock-signal regenerator comprising crystal oscillator incorporated in phase-locked loop |
| 09/04/1990 | US4954792 Multi-grid electron tube high frequency power oscillator |
| 08/21/1990 | US4951006 Antenna coupled millimeter wave oscillator |
| 08/14/1990 | US4949054 Temperature stable oscillator |
| 08/14/1990 | US4949053 Oscillator having feedback isolated from its output |
| 08/09/1990 | WO1990009061A1 Heterodyne stage having precise closed-loop control of the amplitude of the injection signal thereof |
| 08/08/1990 | EP0381270A2 A gated high stability LC stabilized oscillator |
| 08/07/1990 | US4947141 Oscillator network for radio receiver |