| Patents for H03J 3 - Continuous tuning (1,764) |
|---|
| 06/15/1988 | EP0270958A1 Circuit for determining the extreme value of a voltage |
| 06/07/1988 | US4749974 Double-tuned circuit |
| 05/31/1988 | CA1237480A1 Tracking image frequency trap |
| 05/03/1988 | US4742569 Tuning circuit for AM receiver |
| 05/03/1988 | US4742564 Tuning alignment data memory device for tuning circuits tunable to selectable frequencies |
| 04/26/1988 | US4740716 Monolithic high Q varactor circuit |
| 04/19/1988 | US4739517 Autodyne receiver |
| 04/05/1988 | US4736456 Tuning system for television sets |
| 03/22/1988 | US4733205 Electrical filter |
| 02/17/1988 | EP0255838A1 Signal processing system |
| 02/03/1988 | EP0255174A2 Radio receiver |
| 01/27/1988 | CN85101654B Ensuring tracking device for tuning frequency of superheterodyne receiver |
| 01/05/1988 | US4718117 TVRO receiver system with low-cost video-noise reduction filter |
| 11/19/1987 | EP0245896A2 Electrical filter |
| 11/04/1987 | EP0244020A2 Electrical filter |
| 11/03/1987 | US4704739 Receiving circuit for converting signals comprising at least two ferromagnetic resonators |
| 10/27/1987 | US4703292 Tuning circuit apparatus |
| 10/20/1987 | US4701732 Fast tuning RF network inductor |
| 10/14/1987 | EP0241086A1 Device having tuning circuits for preset frequencies |
| 09/30/1987 | EP0238604A1 Frequency alignment circuit and synthesiser therefor |
| 08/27/1987 | WO1987005169A1 Signal processing system |
| 08/19/1987 | CN87100877A Resonance circuit with variable parameters |
| 08/04/1987 | US4685150 Tuning of a resonant circuit in a communications receiver |
| 07/28/1987 | CA1224848A1 Self-calibrating signal strength detector |
| 07/15/1987 | EP0228433A1 Frequency dividing arrangements. |
| 06/23/1987 | US4675634 Variable-capacitance tuning circuit for high-frequency signals |
| 06/04/1987 | DE3641110A1 Tuning circuit |
| 05/20/1987 | CN86203081U Automatic electronic tuning system |
| 05/06/1987 | EP0220914A1 Balanced oscillator and heterodyne circuit incorporating same |
| 04/15/1987 | EP0217898A1 Tuning system for tv sets. |
| 04/14/1987 | US4658437 Tuning voltage tracking arrangement |
| 04/09/1987 | WO1987002202A1 Frequency alignment circuit and synthesiser therefor |
| 04/07/1987 | US4656415 Circuit for generating a reference voltage which is independent of temperature and supply voltage |
| 02/24/1987 | US4646360 Constant bandwidth RF filter with improved low frequency attenuation |
| 02/19/1987 | DE3528466A1 Frequency tuning circuit |
| 02/18/1987 | CN86104232A Signal receiver |
| 02/03/1987 | US4641101 Wideband, microwave regenerative divider with varactor tuning |
| 01/31/1987 | CN85102330A 接收机 Receiver |
| 01/17/1987 | CN85101664A 调谐振荡器 Tuned oscillator |
| 01/17/1987 | CN85101654A Tuning arrangement |
| 01/15/1987 | WO1987000365A1 Frequency dividing arrangements |
| 01/14/1987 | EP0208470A2 Signal receiver with tuning circuits |
| 12/16/1986 | US4630082 Semiconductor device with multi-electrode construction equivalent to variable capacitance diode |
| 12/09/1986 | US4628540 Tuning arrangement having a substantially constant frequency difference between an RF-circuit and an oscillator circuit |
| 10/28/1986 | US4620114 Signal strength detector |
| 10/23/1986 | WO1986006235A1 Tuning system for tv sets |
| 10/21/1986 | US4619002 Self-calibrating signal strength detector |
| 10/21/1986 | US4619001 Tuning systems on dielectric substrates |
| 10/21/1986 | US4619000 CATV converter having improved tuning circuits |
| 09/17/1986 | EP0194309A1 Catv converter having improved tuning circuits |
| 07/30/1986 | EP0188526A1 Self-calibrating signal strength detector |
| 07/22/1986 | US4602379 Dual indicator circuit for tuning and stereo signals |
| 07/15/1986 | US4601062 Tracking image frequency trap |
| 06/17/1986 | CA1206281A1 Tuner/converter for television signals by cable |
| 05/20/1986 | US4590611 Tuner for communications equipment |
| 04/22/1986 | US4584544 Bandswitched interstage coupling network including a high side coupled capacitor |
| 04/08/1986 | US4581594 Drive circuit for YIG tuned devices |
| 03/27/1986 | WO1986001956A1 Catv converter having improved tuning circuits |
| 03/25/1986 | US4578820 Received signal strength indicator |
| 02/19/1986 | EP0171529A2 Tunable resonance circuit for a PLL-FM demodulator |
| 01/30/1986 | WO1986000769A1 Self-calibrating signal strength detector |
| 12/18/1985 | EP0164685A2 Signal converter |
| 11/27/1985 | EP0162266A1 Circuit generating a reference voltage independent of temperature or supply voltage |
| 11/26/1985 | US4555808 Tuner apparatus |
| 11/26/1985 | US4555671 Circuit for driving a signal meter for a receiver |
| 11/06/1985 | EP0160331A1 Tuning arrangement |
| 08/20/1985 | US4536724 Voltage-controlled oscillator having three or more varactor diodes |
| 07/10/1985 | EP0147518A2 Aligning method for a multistage selective amplifier and circuit arrangement for carrying it out |
| 07/09/1985 | US4528698 Tuning system for RF receiver |
| 04/24/1985 | EP0138438A2 Filter circuit tunable to microwave frequency, and implementation of the same |
| 03/06/1985 | EP0133799A2 Tuning system on dielectric substrates |
| 02/05/1985 | US4498064 Pushbutton tuner with staggered tuning coils |
| 01/01/1985 | US4491974 Receiver having a light emitting display as frequency and tuning indicator |
| 12/27/1984 | CA1180139A Tuner apparatus |
| 11/27/1984 | US4485382 In a remote control system |
| 11/20/1984 | CA1178384A1 Self tracking tuner |
| 11/14/1984 | EP0125085A1 Variable inductor mechanism |
| 11/06/1984 | US4480489 Crank mechanism in a pushbutton tuner |
| 10/30/1984 | CA1177182A1 Television tuning system with electronic frequency adjustment apparatus |
| 10/09/1984 | US4476583 Electronic tracking for tuners |
| 09/26/1984 | EP0119561A2 Method of tuning the resonant circuits of a radio receiver |
| 08/22/1984 | EP0116350A1 Tunig unit for communication apparatus |
| 08/21/1984 | CA1173176A1 Tuner apparatus |
| 08/16/1984 | WO1984003184A1 Tuning unit for communication system |
| 08/14/1984 | US4466126 Tuner apparatus |
| 08/07/1984 | US4464793 Resonance selection circuit for series connection in a radio receiver circuit |
| 08/07/1984 | US4463619 Crank mechansim in a pushbutton tuner |
| 07/17/1984 | US4461038 Television tuner circuit |
| 07/17/1984 | US4460879 Variable tuning device |
| 07/04/1984 | EP0042853B1 Tunable receiver front end |
| 06/07/1984 | WO1984002236A1 Tuning unit for apparatus in the field of communications |
| 05/30/1984 | EP0109661A1 Tuner for a communication apparatus |
| 05/30/1984 | EP0109430A1 Meter drive circuit |
| 05/22/1984 | US4450588 Tuning system for a high frequency receiver utilizing a controllable inductor |
| 05/15/1984 | CA1167577A1 Multiplexing arrangement for a plurality of voltage controlled filters |
| 05/02/1984 | EP0033337B1 Digital loop synchronization circuit |
| 04/10/1984 | US4442549 Meter drive circuit |
| 04/10/1984 | US4442548 Television receiver tuning circuit tunable over a wide frequency range |
| 02/07/1984 | US4430630 Tuning circuit |
| 12/13/1983 | US4420731 Controlled voltage yttrium iron garnet (YIG) resonator apparatus |