| Patents for H03B 5 - Generation of oscillations using amplifier with regenerative feedback from output to input (11,466) |
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| 08/07/1990 | US4947138 Microwave oscillator devices |
| 07/26/1990 | WO1990008429A1 Oscillator stabilized against variations in temperature for oscillating circuits |
| 07/25/1990 | EP0378729A1 Oscillator circuit |
| 07/24/1990 | US4943961 Memory retention system for volatile memory devices |
| 07/17/1990 | US4942372 Method and circuit for reduction of temperature dependency in an oscillator |
| 07/17/1990 | CA1271812A1 Signal converter |
| 07/11/1990 | EP0377388A1 Analogue signal waveform generator |
| 07/04/1990 | EP0376388A1 Integrated circuit device comprising a frequency divider |
| 07/03/1990 | US4939481 Low phase noise voltage controlled oscillator |
| 06/27/1990 | EP0375034A2 Oscillator for supplying a mixer stage in a tuner |
| 06/21/1990 | DE3842859A1 Low-noise radio-frequency oscillator, the operating characteristic of which is scarcely affected by the load |
| 06/19/1990 | US4935909 Piezoelectric signaling device |
| 06/06/1990 | EP0371549A1 Controllable quadrature oscillator |
| 06/06/1990 | EP0371489A2 Oscillation circuit for proximity switch |
| 06/05/1990 | US4932073 Transmitter having PLL circuit |
| 05/30/1990 | EP0370576A2 Oscillator |
| 05/22/1990 | US4928314 Heterodyne stage having precise closed-loop control of the amplitude of the injection signal thereof |
| 05/17/1990 | WO1990005408A1 Diode circuit flicker-noise reduction |
| 05/15/1990 | US4926143 Oscillator using H-shaped single crystal silicon vibrator |
| 05/15/1990 | US4926142 Oscillator having a dielectric resonator, and electronic frequency tuning using a varactor, in particular in the 22 GHz range |
| 05/09/1990 | EP0366762A1 An improved oscillator |
| 05/08/1990 | US4924195 Crystal oscillator with broad tuning capability |
| 05/08/1990 | US4924132 Temperature sensitive quartz oscillator crystal with temperature coefficient controlled in manufacture |
| 05/08/1990 | CA1268827A1 Tuned oscillator |
| 05/01/1990 | US4922211 Microwave oscillator in which the dielectric resonator is hermetically sealed |
| 05/01/1990 | US4922210 Feedback-coupled high-frequency power oscillator |
| 04/24/1990 | US4920398 Semiconductor MIS integrated circuit device |
| 04/17/1990 | US4918408 Oscillation circuit |
| 04/17/1990 | CA1267941A1 Wide range electronic oscillator |
| 04/10/1990 | US4916412 Voltage-controlled oscillator using a phase control loop for establishing an accurate idling frequency and temperature stabilized control sensitivity |
| 04/04/1990 | EP0361611A1 Active circuit for high and ultra high frequencies |
| 04/04/1990 | EP0361295A1 Microwave frequency divider |
| 04/03/1990 | US4914406 Voltage controlled oscillator free from free-run oscillating frequency adjustment |
| 04/03/1990 | US4914401 Implementation and control of filters |
| 03/27/1990 | US4912435 Low-voltage oscillator with separate startup mode |
| 03/27/1990 | CA1267197A1 Very high frequency oscillator with gyromagnetic resonators |
| 03/21/1990 | CN1040718A Miniature crystal oscillator |
| 03/20/1990 | CA1266895A1 Voltage controlled oscillator |
| 03/14/1990 | EP0358299A2 Oscillator with reduced harmonics |
| 03/14/1990 | EP0357996A1 Frequency modulator utilizing frequency synthesizer |
| 03/13/1990 | US4908583 Zero phase startup for a tank type voltage controlled oscillator |
| 03/08/1990 | WO1990002444A1 Temperature stable oscillator |
| 03/07/1990 | EP0357121A1 High-frequency power oscillator |
| 03/06/1990 | US4906948 Oscillator with piezoelectric resonator |
| 03/06/1990 | US4906946 Microwave oscillator having series and parallel feedback |
| 02/27/1990 | US4904964 Voltage control oscillator with modulation compensation |
| 02/27/1990 | US4904962 Gated high stability LC stabilized oscillator |
| 02/13/1990 | US4901037 Oscillator with amplitude stabilizing circuit |
| 02/07/1990 | CN1006751B High frequency head of sluice type oscillating circuit radio and tv |
| 02/01/1990 | DE3825238A1 Voltage-controlled oscillator |
| 01/31/1990 | EP0352695A2 Quartz crystal oscillator with temperature-compensated frequency characteristics |
| 01/30/1990 | US4897621 Oscillator using a piezo-electric device |
| 01/30/1990 | US4897619 High-frequency generator |
| 01/24/1990 | EP0351691A2 High-frequency power oscillator with feedback |
| 01/23/1990 | US4896122 Multiple bandwidth crystal controlled oscillator |
| 01/17/1990 | EP0351153A2 Frequency modulator |
| 01/17/1990 | CN2051417U Temp. compensation voltage control (frequency modulation) crystal oscillator |
| 01/02/1990 | US4891610 UHF-feedback oscillator |
| 12/27/1989 | EP0347993A2 Microwave oscillator devices |
| 12/26/1989 | US4890073 High frequency generator for use with loads subject to great impedance variations |
| 12/20/1989 | CN1038162A Vibrating type transducer and manufacturing process thereof |
| 12/19/1989 | US4888567 Voltage-controlled crystal oscillator with variable phase feedback |
| 12/14/1989 | WO1989012351A1 A fully integrated, adjustable oscillator for use with a crystal |
| 12/12/1989 | US4887053 High frequency VLSI oscillator |
| 12/12/1989 | US4887052 Tuned oscillator utilizing thin film ferromagnetic resonator |
| 11/30/1989 | WO1989011756A1 Automatically self-calibrating oscillators in heterodyned radio receivers |
| 11/30/1989 | DE3903262A1 Receiving system for a satellite broadcasting system |
| 11/29/1989 | CN1037611A Memory retention system for volatile memory devices |
| 11/28/1989 | US4884043 High-frequency generator |
| 11/23/1989 | DE3908243A1 Frequency modulator with PLL stabilisation |
| 11/21/1989 | US4882550 Oscillator/amplifier connecting structure |
| 11/16/1989 | WO1989011180A1 An improved oscillator |
| 11/14/1989 | US4881042 Automatically tunable phase locked loop FM detection system |
| 11/07/1989 | US4879530 Monolithically integratable phase shifter VCO |
| 11/02/1989 | EP0339925A2 Voltage controlled oscillator free from free-run oscillating frequency adjustment |
| 11/01/1989 | CN2047079U 振荡器 Oscillators |
| 10/18/1989 | EP0337371A2 Microwave oscillator |
| 10/10/1989 | US4873499 Fast rise pulse oscillator |
| 10/10/1989 | US4873498 Reflection oscillators employing series resonant crystals' |
| 10/10/1989 | US4873497 Wide band voltage controlled R-C oscillator for use with MMIC technology |
| 10/10/1989 | US4873496 Tuned oscillator |
| 10/10/1989 | US4873495 Ultrahigh-frequency oscillator having a dielectric resonator stable with respect to mechanical vibrations |
| 10/10/1989 | US4872765 Dual mode quartz thermometric sensing device |
| 10/04/1989 | EP0335727A2 Signal processing apparatus |
| 10/04/1989 | EP0335493A2 Oscillator |
| 10/03/1989 | US4871984 Surface acoustic wave oscillator |
| 10/03/1989 | US4871983 Electronically tuned dielectric resonator stabilized oscillator |
| 09/26/1989 | US4870383 Oscillator circuit |
| 09/26/1989 | US4870313 Piezoelectric resonators for overtone oscillations |
| 09/26/1989 | CA1261411A1 Low noise oscillator |
| 09/26/1989 | CA1261013A1 Wide frequency range, switched-band oscillator |
| 09/19/1989 | US4868526 Frequency-doubling oscillator, tuned by varactors |
| 09/06/1989 | EP0330983A2 Voltage-controlled oscillator with a line resonator |
| 09/05/1989 | US4864636 Crystal controlled transmitter |
| 09/05/1989 | US4864256 Oscillator with reduced harmonics |
| 08/30/1989 | EP0329988A2 High frequency power generator |
| 08/29/1989 | US4862114 Crystal oscillators using negative voltage gain, single pole response amplifiers |
| 08/29/1989 | US4862113 Sinusoidal oscillator with instant start-up |
| 08/29/1989 | US4862111 Microwave oscillator having a dielectric resonator, in particular for the 22 GHz range |
| 08/29/1989 | US4862110 Oscillator, in particular a surface acoustic wave oscillator, frequency controlled by controlling its temperature |