| Patents for H03J 3 - Continuous tuning (1,764) |
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| 08/14/1991 | EP0441513A1 Helix resonator |
| 08/13/1991 | US5040239 Tuning circuit and receiver |
| 07/17/1991 | EP0437410A1 Device for doubling/halving the rate of a serial bitstream |
| 07/03/1991 | CN1052756A Tuning arrangement |
| 07/02/1991 | US5029240 Electronically tuneable fiber-optic receiver for narrow band microwave signal reception |
| 07/02/1991 | US5028894 Bandpass filter circuit arrangement |
| 06/26/1991 | EP0434653A1 A tuning arrangement |
| 06/12/1991 | CN1052233A 调谐器 Tuner |
| 06/05/1991 | EP0429914A2 Tuning circuit |
| 06/05/1991 | EP0429791A2 Resonator tuning device |
| 05/30/1991 | CA2030953A1 Arrangement for tuning a resonator |
| 05/28/1991 | US5020146 Lossy constant bandwidth tuned circuit |
| 05/02/1991 | WO1991006150A1 Tune detecting circuit |
| 05/02/1991 | EP0292546B1 Circuit for determining the extreme value of a voltage |
| 04/11/1991 | DE3932333A1 Oscillator circuit for HF tuner - has series connection of fixed and variable capacitor in parallel to variable oscillator capacity |
| 04/03/1991 | EP0420508A2 Logic controlled adjustment and compensation of signal levels and deviations in a radio telephone |
| 04/03/1991 | EP0420505A2 Method of tuning and compensating power levels in a radio telephone |
| 02/27/1991 | EP0414445A2 Direct digital frequency synthesizer |
| 02/26/1991 | US4996599 Television tuner oscillator with three point tracking |
| 02/26/1991 | CA2023323A1 Direct digital frequency synthesizer |
| 02/06/1991 | EP0217898B1 Tuning system for tv sets |
| 01/30/1991 | CN2070515U High-fidelity listen-distance adjustable device |
| 01/16/1991 | EP0228433B1 Frequency dividing arrangements |
| 01/15/1991 | US4985680 RF coil system in magnetic resonance imaging apparatus |
| 11/15/1990 | WO1990013943A1 A high-frequency bandpass filter |
| 11/14/1990 | CN1010452B 接收机 Receiver |
| 10/24/1990 | EP0393103A1 Antenna structure for providing a uniform field. |
| 10/03/1990 | CN1009890B Signal receiver |
| 09/05/1990 | CN1045203A Unitary capacitance trimmer |
| 08/29/1990 | EP0384326A1 Unitary capacitance trimmer |
| 07/17/1990 | CA1271812A1 Signal converter |
| 06/19/1990 | CA1270582A1 Tracking yig tuned filter-mixer |
| 05/16/1990 | CN1042182A Cucumber mosaic virus coat protein gene |
| 05/15/1990 | US4926147 Arrangement for tuning a balanced-to-ground resonator |
| 05/09/1990 | EP0367348A1 Adjustable passive component |
| 05/01/1990 | US4921465 Varactor tuned UHF RF signal input circuit |
| 01/30/1990 | US4897624 Electronic device |
| 01/09/1990 | US4893288 Audible antenna alignment apparatus |
| 01/03/1990 | EP0348680A2 Television tuner with a bandfilter circuit |
| 11/21/1989 | CA1263150A1 Bandswitched interstage coupling network including a high side coupled capacitor |
| 11/15/1989 | EP0341239A1 Antenna tuning apparatus for personal communications devices. |
| 10/26/1989 | DE3812782A1 Cavity resonator or coaxial resonator |
| 10/24/1989 | US4876739 TVRO receiver system with low-cost video-noise reduction filter |
| 10/18/1989 | EP0337190A1 Arrangement for tuning a balanced resonator circuit |
| 10/11/1989 | EP0336614A2 UHF RF signal input circuit |
| 10/11/1989 | EP0336613A2 Unitary tuning structure |
| 09/26/1989 | CA1261980A1 Signal processing system |
| 09/19/1989 | EP0310632A4 Cross-flow filtration device and method of making. |
| 09/05/1989 | US4864639 Self-test device and method having an amplifier converted into an oscillator |
| 08/29/1989 | US4862515 Frequency dividing arrangements |
| 08/01/1989 | CA1258142A1 Fast tuning rf network inductor |
| 07/25/1989 | US4851798 Unitary tuning structure |
| 07/11/1989 | US4847572 Electronic tuning circuit for AM receiver |
| 07/05/1989 | CN1004743B High-speed changed rf network inductor |
| 07/04/1989 | US4845445 Amplifier |
| 06/29/1989 | WO1989005858A1 Cucumber mosaic virus coat protein gene |
| 06/15/1989 | WO1989005530A1 Antenna structure for providing a uniform field |
| 06/13/1989 | US4839617 Bandpass filter circuit arrangement |
| 06/06/1989 | US4837852 Electronic tuning circuit for AM receiver which is easy to effect tracking adjustment |
| 05/31/1989 | EP0318119A2 Bandpass filter circuit arrangement |
| 05/31/1989 | EP0318118A2 Bandpass filter circuit arrangement |
| 05/30/1989 | US4835608 Image trap filter circuit |
| 05/23/1989 | US4833419 Non-inductive radio apparatus |
| 05/16/1989 | US4831661 RF tuning circuit |
| 05/10/1989 | EP0314873A1 Device for automatic application of tuning voltage to tunable components of the intermediate frequency amplifier for television receivers |
| 05/02/1989 | US4827227 Step transition time reduction for filtered oscillators |
| 04/12/1989 | EP0310632A1 Cross-flow filtration device and method of making. |
| 03/30/1989 | DE3730303A1 Tunable helical circuit |
| 03/30/1989 | DE3730302A1 Tunable helical band-pass filter for the radio-frequency region |
| 03/28/1989 | US4817200 Tracking YIG tuned filter-mixer |
| 03/28/1989 | US4817196 Apparatus for tuning the antenna of a miniature personal communications device |
| 03/28/1989 | US4817193 AM transmitter having single tuning means for oscllator, carrier isolator and antenna |
| 02/14/1989 | US4805189 Signal processing system |
| 01/31/1989 | US4802238 Radio receiver |
| 01/24/1989 | US4800434 Power source for electronic tuning tuner |
| 12/27/1988 | US4794650 Electronic tuning receiver |
| 12/21/1988 | EP0295299A1 Electronically tuneable fiber-optic receiver for narrow band microwave signal reception. |
| 12/21/1988 | CN87103908A Dynamic antenna tuning system and method |
| 12/06/1988 | CA1246256A1 Tuning circuit apparatus |
| 12/06/1988 | CA1246151A1 Autodyne receiver |
| 11/30/1988 | EP0292546A1 Circuit for determining the extreme value of a voltage. |
| 11/17/1988 | EP0290928A1 Radiofrequency tuning inductor |
| 11/17/1988 | EP0290825A2 Video recorder with a dynamically tunable tuner |
| 11/15/1988 | US4785253 Integrated electric filter with adjustable RC parameters |
| 10/25/1988 | US4780909 Signal receiver having automatic frequency characteristic adjusting capability |
| 10/18/1988 | CA1243354A1 Signal strength detector |
| 10/06/1988 | WO1988007398A1 Cross-flow filtration device and method of making |
| 09/13/1988 | US4771332 Tuning apparatus for the VHF band of a television receiver |
| 08/31/1988 | EP0280389A2 Tranking YIG tuned filter-mixer |
| 08/31/1988 | CN87107472A High-speed changed r.f. network inductor |
| 08/17/1988 | CN88100554A Combined if-trap and parallel resonant circuit for television tuner |
| 08/10/1988 | EP0277693A2 Circuit arrangement for a mixer in a HF tuner |
| 08/10/1988 | EP0277692A2 Combined IF absorption and parallel circuit for a TV tuner |
| 07/26/1988 | US4760535 Control circuit for tuning a high-frequency input circuit |
| 07/26/1988 | US4760325 High frequency coil arrangement |
| 07/14/1988 | WO1988005234A1 Electronically tuneable fiber-optic receiver for narrow band microwave signal reception |
| 07/14/1988 | WO1988005213A1 Antenna tuning apparatus for personal communications devices |
| 07/12/1988 | CA1239233A1 Tuning voltage tracking arrangement |
| 06/30/1988 | WO1988004863A1 Fast tuning rf network inductor |
| 06/16/1988 | WO1988004478A1 System for determining the maximum value of a physical dimension |