| Patents for H03J 5 - Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner (3,151) |
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| 06/27/1989 | US4843588 Programmable radio frequency communications device capable of programming a similar device |
| 06/06/1989 | US4837852 Electronic tuning circuit for AM receiver which is easy to effect tracking adjustment |
| 05/10/1989 | EP0314873A1 Device for automatic application of tuning voltage to tunable components of the intermediate frequency amplifier for television receivers |
| 04/18/1989 | US4823099 Television tuner for three different frequency ranges |
| 04/05/1989 | EP0310222A2 Multiple-band mixer circuit |
| 03/28/1989 | US4817197 Mobile communication apparatus |
| 03/07/1989 | US4811362 Low power digital receiver |
| 02/14/1989 | CA1250023A1 Broadcast signal detected indication system |
| 02/09/1989 | WO1989001261A1 Frequency synthesisers |
| 02/09/1989 | DE3826150A1 Selbstprogrammierender empfaenger Self programming Ender empfaenger |
| 02/01/1989 | EP0301839A2 Low noise converter |
| 01/31/1989 | US4802238 Radio receiver |
| 01/25/1989 | EP0300173A2 Outdoor unit low noise converter for satellite broadcast reception use |
| 01/18/1989 | EP0299578A1 TV-RF input circuit |
| 12/29/1988 | WO1988010548A1 Low power digital receiver |
| 12/20/1988 | US4792989 Tuner circuits and voltage generators therefor |
| 12/07/1988 | EP0293464A1 Process for transmitting and/or evaluating on the receiver side information inside a radio signal. |
| 11/23/1988 | EP0292077A2 Low noise converter |
| 11/17/1988 | EP0291240A2 Semiconductor integrated circuit with reduced power consumption |
| 11/17/1988 | DE3742666A1 A receiver with a data memory for free input of names and of other data of transmitters which can be selected by means of keys, and their indication on a display |
| 11/08/1988 | US4783847 For a broadcast receiver |
| 10/27/1988 | DE3713235A1 Device for programming receivers |
| 10/25/1988 | US4780909 Signal receiver having automatic frequency characteristic adjusting capability |
| 10/20/1988 | DE3807724A1 Automatic transmitter programming |
| 10/18/1988 | CA1243357A1 Channel selection in a multichannel access radio communication system without occurrence of interference |
| 10/11/1988 | US4777657 Computer controlled broadband receiver |
| 10/04/1988 | US4776038 Automatic air/cable mode selection apparatus for a television tuner |
| 09/13/1988 | US4771332 Tuning apparatus for the VHF band of a television receiver |
| 08/31/1988 | CN87107472A High-speed changed r.f. network inductor |
| 08/30/1988 | US4768220 Channel selection in a multichannel access radio communication system without occurrence of interference |
| 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 |
| 08/09/1988 | US4763195 Television tuning system with provisions for quickly locating active cable channels |
| 08/09/1988 | US4763082 Selectable tuner preamplifier |
| 07/27/1988 | EP0275527A1 Method for the transmission and/or the use at the reception of additional information within a radio signal |
| 07/12/1988 | CA1239234A1 Tuning circuit for a multiband tuner |
| 07/06/1988 | EP0273046A1 Fast tuning control for a television system |
| 07/06/1988 | EP0273031A1 Characterized fast tuning control for a television system. |
| 07/05/1988 | US4756024 RF-input circuit arrangement for a television tuner |
| 06/30/1988 | WO1988004863A1 Fast tuning rf network inductor |
| 06/30/1988 | WO1988004862A1 Process for transmitting and/or evaluating on the receiver side information inside a radio signal |
| 06/23/1988 | DE3802192A1 FM receiver circuit |
| 06/21/1988 | CA1238433A1 Tuner for television receiver |
| 06/15/1988 | EP0271058A2 Device for programming receivers |
| 06/07/1988 | US4749974 Double-tuned circuit |
| 05/31/1988 | USRE32686 Digital frequency lock tuning system |
| 05/31/1988 | US4748684 Fast tuning control for a television system |
| 05/03/1988 | US4742564 Tuning alignment data memory device for tuning circuits tunable to selectable frequencies |
| 04/21/1988 | DE3634246A1 Tuning system, particularly for video generators and television receivers |
| 04/14/1988 | DE3633383A1 Television tuner |
| 04/12/1988 | US4737993 Cable broadcast TV receiver with automatic channel search responsive to mode change |
| 04/05/1988 | US4736457 Circuit arrangement for a tuner for changing over two frequency bands |
| 04/05/1988 | US4736456 Tuning system for television sets |
| 03/30/1988 | EP0261221A1 Frequency synthesiser. |
| 03/29/1988 | US4734657 RF modem with oscillator switching circuit |
| 03/16/1988 | EP0259970A2 Radio receivers |
| 03/15/1988 | US4731877 Tunable lowpass-highpass switching filter |
| 03/10/1988 | WO1988001814A1 Broadcast signal detected indication system |
| 03/01/1988 | CA1233576A1 Multiband local oscillator |
| 02/18/1988 | DE3627768A1 Device for selecting certain receiving channels in a receiving device of entertainment electronics which can be tuned to receiving channels |
| 02/17/1988 | EP0255927A2 Switchable tuner-preamplifier |
| 02/03/1988 | EP0255174A2 Radio receiver |
| 02/02/1988 | US4723306 Wide-band transmitter for short electromagnetic waves |
| 01/26/1988 | CA1232091A1 Frequency synthesised multichannel radio apparatus |
| 01/20/1988 | EP0253680A2 Angle modulated signal receiving apparatus |
| 01/20/1988 | EP0252943A1 Variable capacitance circuit. |
| 12/17/1987 | WO1987007795A1 Fast tuning control for a television system |
| 12/17/1987 | WO1987007794A1 Characterized fast tuning control for a television system |
| 12/15/1987 | US4713631 Varactor tuning circuit having plural selectable bias voltages |
| 12/08/1987 | US4712241 Broadcast signal detected indication system |
| 12/01/1987 | US4710974 Circuit arrangement for a tuner for changing over several frequency ranges |
| 12/01/1987 | US4710973 Varactor diode tuner with band switched coils and lines |
| 12/01/1987 | US4710971 Channel selecting device for CATV terminal unit |
| 12/01/1987 | US4710737 Band switching circuit tuner |
| 10/27/1987 | US4703520 Radio transceiver having an adaptive reference oscillator |
| 10/20/1987 | US4701732 Fast tuning RF network inductor |
| 10/14/1987 | EP0241086A1 Device having tuning circuits for preset frequencies |
| 10/08/1987 | WO1987006076A1 Frequency synthesiser |
| 09/01/1987 | US4691378 Tuner for television receiver |
| 08/25/1987 | US4689825 Receiver stage for radio or television receiver |
| 08/18/1987 | US4688261 Frequency synthesized multichannel radio apparatus |
| 07/16/1987 | WO1987004304A1 Variable capacitance circuit |
| 07/15/1987 | EP0228433A1 Frequency dividing arrangements. |
| 07/14/1987 | US4680555 Wide frequency range, switched band-oscillator |
| 06/23/1987 | US4675634 Variable-capacitance tuning circuit for high-frequency signals |
| 05/19/1987 | US4667243 Television receiver for direct broadcast satellite signals |
| 05/14/1987 | DE3538921A1 Television tuner |
| 05/12/1987 | CA1221779A1 Channel selector |
| 05/12/1987 | CA1221741A1 Receiver systems for eliminating self-quieting spurious responses |
| 04/29/1987 | EP0219703A1 Improved television receiver |
| 04/28/1987 | US4661995 Multi-superheterodyne receiver |
| 04/15/1987 | EP0217898A1 Tuning system for tv sets. |
| 04/07/1987 | US4656604 Control circuit with recovery protection |
| 04/01/1987 | EP0216403A1 Variable capacitance diode tracking selection method and set of tracking-selected variable capacitance diodes |
| 03/31/1987 | US4654884 Radio receiver with switching circuit for elimination of intermodulation interference |
| 02/18/1987 | CN86104232A Signal receiver |
| 02/03/1987 | US4641367 Receiver for FM signals with transmitter status code storage |
| 01/28/1987 | EP0209640A2 Circuit for bandswitching a voltage controlled oscillator |
| 01/27/1987 | CA1217236A1 Diode mixer with bias control and its use |