| 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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| 04/20/1993 | US5204972 Arrangement for compensating for temperature dependent performance characteristics of surface acoustic wave filter |
| 04/20/1993 | US5204645 Circuit configuration for range switching in tuners |
| 04/15/1993 | WO1993007677A1 Filter assembly |
| 04/08/1993 | DE4132907A1 Filteranordnung Filter assembly |
| 04/06/1993 | CA1315901C Characterized fast tuning control for a television system |
| 03/25/1993 | DE4230347A1 Integrated circuit tuner for HF superheterodyne receiver - derives sampling signal for phase=locked=loop from common VHF-UHF amplifier output connection within IC |
| 03/09/1993 | US5193213 FM broadcast band subcarrier receiver |
| 03/03/1993 | EP0529183A2 Car radio |
| 03/02/1993 | US5191423 TV channel selecting device with a memory |
| 02/09/1993 | CA1313538C Low power digital receiver |
| 01/26/1993 | US5182646 Linkable scan lists for a television receiver |
| 01/19/1993 | CA1312945C Television on channel selecting apparatus |
| 01/12/1993 | US5179729 Tuner station selecting apparatus |
| 01/12/1993 | US5179726 Automatic tuning method and apparatus of double conversion tuner |
| 12/23/1992 | EP0519562A2 Phase-locked loop receiver |
| 12/23/1992 | EP0518876A1 Circuit arrangement for generating an inverse voltage for switching diodes |
| 12/16/1992 | EP0518086A2 Radio receiver |
| 12/16/1992 | EP0487548A4 Synthesized selective call receiver having variable characteristics |
| 11/19/1992 | EP0513477A2 Preset type radio receiver |
| 11/18/1992 | CN1066353A Polling for detection of power supply or other failures of digital circuit |
| 11/11/1992 | EP0512618A2 Television receiver including a search tuning circuit |
| 11/03/1992 | US5161023 Previous channel feature in a television receiver having multiple rf inputs |
| 10/29/1992 | DE4113708A1 Electronically switchable LC resonant circuit arrangement - has supplementary capacitor connected in parallel to existing LC circuit by diode and transistor switch |
| 10/21/1992 | EP0509175A2 Preset tuner |
| 10/20/1992 | CA1309197C Filter switching arrangement for a tuner |
| 10/20/1992 | CA1309144C Am/fm band selector |
| 09/29/1992 | US5152011 Broadcast receiver capable of automatic station identification and format-scanning based on an internal database updatable via data reception over the airwaves |
| 09/17/1992 | WO1992016049A1 Process for tuning a radio receiver by utilizing rds data |
| 09/09/1992 | EP0502500A1 Method for tuning of a radio receiver, using RDS-data |
| 09/01/1992 | US5144441 Quieting receiver during power interruption |
| 09/01/1992 | US5144440 Television receiver |
| 08/25/1992 | US5142369 First if filter with fixed second half-if trap for use in an fm radio in a television reciever |
| 08/25/1992 | US5142249 Current-controlled oscillator controlled by control voltage and stored data |
| 07/30/1992 | CA2049131A1 Alignment free colour television set with voltage synthesized electronic tuning system |
| 07/29/1992 | CN1017673B Am/fm frequency range selector |
| 07/22/1992 | CN1017582B Tuner |
| 06/23/1992 | US5124795 Tier selection control for a television set |
| 06/16/1992 | US5122878 Television tuner and circuitry for switching between two frequency ranges |
| 06/03/1992 | EP0487548A1 Synthesized selective call receiver having variable characteristics. |
| 05/19/1992 | US5115317 Tuning apparatus for a television receiver including selectively activated amplifier and local oscillator circuits |
| 04/29/1992 | EP0482400A1 Circuit arrangement for band switching of a tuner |
| 04/08/1992 | CN1060188A Previous channel feature in television receiver having multiple rf inputs |
| 04/08/1992 | CN1060187A Linkable scan lists for television receiver |
| 04/08/1992 | CN1060186A System for selection of rf input terminals and associated scan lists |
| 04/07/1992 | US5103314 Color-coded system for selection of rf input terminals and associated scan lists |
| 04/01/1992 | EP0477756A2 Linkable scan lists for a television receiver |
| 04/01/1992 | EP0477754A2 System for selection of RF input terminals and associated scan lists |
| 04/01/1992 | EP0477753A2 A previous channel feature in a television receiver having multiple RF inputs |
| 03/31/1992 | US5101508 Radio receiver |
| 03/25/1992 | EP0476826A2 A method of selecting receiving frequency for RDS receiver |
| 03/18/1992 | EP0293454B1 Fast tuning rf network inductor |
| 03/12/1992 | DE4028572A1 Electronically switched resonance circuit with extra capacitor - has switching diode energised by diode polarised in control line for control voltage flow |
| 03/11/1992 | EP0403492A4 Bandswitching a two-way radio having a pll |
| 02/19/1992 | CN1058873A First if filter with fixed second half-if trap for use in fm radio in television ceceiver |
| 02/19/1992 | CN1058870A Radio reception by synthesizing only center frequency information |
| 02/18/1992 | CA1296064C Two-way radio having a phased locked loop |
| 02/12/1992 | EP0470502A2 First if filter with fixed second half-if trap for use in an FM radio in a television receiver |
| 02/12/1992 | EP0470484A2 Information radio reception in a television receiver by synthesizing only center frequency |
| 02/11/1992 | US5087977 Channel selecting apparatus automatically detecting different modes of television signals |
| 01/08/1992 | CN1057749A Station selector |
| 01/02/1992 | EP0463632A2 Station selector |
| 12/31/1991 | US5077833 Synthesizer receiver |
| 12/27/1991 | EP0462718A2 Broadcast receiver system |
| 12/20/1991 | CA2043046A1 Broadcast receiver capable of automatic station identification and format-scanning based on an internal database updatable via data reception over the airwaves |
| 11/27/1991 | EP0457934A1 Circuit arrangement for band switching in tuners |
| 11/27/1991 | EP0457932A1 Circuit arrangement for band switching in tuners |
| 11/26/1991 | US5068918 Receiver for terrestrial am and satellite fm-tv broadcasting signals |
| 11/26/1991 | CA1292515C Radio with digitally controlled audio processor |
| 11/12/1991 | US5065121 Switchable resonator device |
| 10/30/1991 | CN1055846A Circuit arrangement for generating cut-off voltage for suitching diodes |
| 10/22/1991 | US5059979 Digital control circuit for tuning systems with a pulse density modulation digital to analog converter |
| 10/15/1991 | US5058204 Synthesized selective call receiver having variable characteristics |
| 10/02/1991 | EP0448729A1 Tune detecting circuit |
| 09/11/1991 | EP0394257A4 Low power digital receiver |
| 09/11/1991 | EP0261221B1 Frequency synthesiser |
| 09/05/1991 | WO1991013493A1 Circuit arrangement for generating an inverse voltage for switching diodes |
| 09/04/1991 | EP0444237A1 Turning method for a radio transmitter and/or receiver apparatus |
| 08/21/1991 | CN1013628B Frequency synthesizer with interface controller and buffering memory |
| 08/07/1991 | EP0440405A1 Channel selecting circuit |
| 08/06/1991 | US5038404 Low phase noise agile up converter |
| 07/24/1991 | EP0437731A1 TV receiver apparatus with a transmitter scanning device and a memory for storing individual items of TV transmitter information |
| 07/24/1991 | CN2081606U Multi-broadcasting station fast switching device for radio |
| 07/23/1991 | US5034819 Channel selecting apparatus and method used in a television receiving apparatus and capable of memorizing channel data |
| 07/17/1991 | EP0436861A1 Mixer |
| 06/25/1991 | US5027430 Outdoor unit low noise converter for satellite broadcast reception use |
| 06/12/1991 | EP0431694A1 FM receiver for radio data signals |
| 06/12/1991 | CN1052233A 调谐器 Tuner |
| 06/11/1991 | US5023938 Station selecting device in tuner for automatic selection according to input information |
| 06/05/1991 | EP0430493A2 Signal processor |
| 06/05/1991 | EP0429914A2 Tuning circuit |
| 05/07/1991 | US5014349 Television tuner for common use in BS/UV |
| 05/02/1991 | WO1991006150A1 Tune detecting circuit |
| 04/30/1991 | CA1283709C Low noise converter |
| 04/23/1991 | US5010585 Digital data and analog radio frequency transmitter |
| 04/23/1991 | US5010400 Television tuner for receiving multiple band television signals |
| 04/10/1991 | EP0421708A2 Frequency converting device |
| 04/10/1991 | EP0394358A4 Low voltage and low power frequency synthesizer |
| 04/10/1991 | CN1050653A Am/fm frequency range selector |
| 04/02/1991 | CA1282466C Variable capacitance circuit |
| 03/26/1991 | US5003620 Tuner circuit and receiving band change-over circuit with a push-pull amplifier |