| Patents for H03J 1 - Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general (3,665) |
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| 04/07/1992 | US5103314 Color-coded system for selection of rf input terminals and associated scan lists |
| 04/07/1992 | US5103313 Band indicative segmented tuning bar display |
| 04/01/1992 | EP0478002A2 Wireless remote control system of electronic sets |
| 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 | US5101509 Rf filter alignment using digital processor clock |
| 03/31/1992 | CA1298421C Unitary tuning structure |
| 03/18/1992 | EP0475705A2 RF filter alignment using digital processor clock |
| 03/18/1992 | EP0475509A1 Radio apparatus with an oscillator and a phase locked loop |
| 03/17/1992 | US5097260 Operation control circuit with secret code comparing means for remote control keypad |
| 03/15/1992 | CA2048100A1 Rf filter alignment using digital processor clock |
| 03/04/1992 | EP0473120A2 Double super-heterodyne tuner |
| 02/11/1992 | US5087977 Channel selecting apparatus automatically detecting different modes of television signals |
| 02/05/1992 | EP0469898A2 Transmitter with dual conversion |
| 01/22/1992 | EP0467108A2 Television receiving apparatus with a programming device provided with a sweep |
| 01/08/1992 | EP0464853A2 Radio receiving system |
| 01/07/1992 | CA2046378A1 Radio receiving system |
| 12/31/1991 | US5077783 Method of simplifying the tuning of a radio telephone |
| 12/27/1991 | EP0462718A2 Broadcast receiver system |
| 12/26/1991 | WO1991020133A1 Automatic antenna tuning system and method |
| 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 |
| 12/17/1991 | US5073975 Stop on station circuit including center channel detector |
| 12/17/1991 | CA1293299C Reconfigurable remote control transmitter |
| 12/11/1991 | EP0460520A1 Programming device for video recorder using a videotext program schedule page |
| 11/26/1991 | US5068734 Apparatus for controlling a television receiver |
| 11/14/1991 | DE4033407C1 Electronic control for audio appts. in motor vehicles - comprises push buttons for setting levels and generating confirmation audio signal |
| 11/13/1991 | EP0455821A1 Receiver |
| 11/12/1991 | US5065423 Paging system with registration mode |
| 11/06/1991 | EP0455046A2 High speed automatic frequency tuning method |
| 10/30/1991 | EP0453937A2 Channel selection method and system thereof for receiving a video signal in multi TV broadcasting system |
| 10/16/1991 | EP0451990A2 Frequency selecting method in RDS receiver |
| 10/16/1991 | EP0451872A2 Remote control system |
| 10/15/1991 | US5058138 Modular receiver for signals having multiple channels and multiple formats |
| 10/09/1991 | EP0450268A2 A radio station presetting method for radio receivers |
| 09/25/1991 | CN1054866A Stability detection method and apparatus for tuning system |
| 09/24/1991 | CA1289652C Method and apparatus for establishing a servicing mode of an electronic apparatus |
| 09/12/1991 | DE4006933A1 Universal decoder for program-accompanying data - is of modular type usable in VHF and TV receivers for wide range evaluation |
| 09/12/1991 | DE4006930A1 Communication signal reception system - has VHF or TV receiver including audio cassette part with incorporated or added decoder |
| 09/10/1991 | US5048119 Broadcast receiver for radio or television signals with storage and interchange of preset stations |
| 09/10/1991 | CA1288860C Television tuning system with provisions for tuning rf signals with scrambled video information |
| 09/03/1991 | US5045947 Television receiver having memory control for tune-by-label feature |
| 08/21/1991 | EP0441851A1 Satellite radio receiver |
| 08/14/1991 | EP0441513A1 Helix resonator |
| 08/13/1991 | US5039956 Frequency synthesizer for frequency agile modem |
| 08/06/1991 | US5038405 Tunable antenna apparatus and method for use with superheterodyne receivers |
| 08/06/1991 | US5038401 Transmitter for remote control with operation switches having changeably displayed forms |
| 07/31/1991 | EP0438694A1 Method and device for the storage of programmes in a television receiver |
| 07/24/1991 | EP0438185A2 Improved teletext receiver |
| 07/24/1991 | EP0437731A1 TV receiver apparatus with a transmitter scanning device and a memory for storing individual items of TV transmitter information |
| 07/23/1991 | US5034820 Channel display circuit for distinguishing the existence or nonexistence of the signal at a satellite-broadcast receiver |
| 07/23/1991 | US5034819 Channel selecting apparatus and method used in a television receiving apparatus and capable of memorizing channel data |
| 07/10/1991 | CN1052980A Segmented bar display for programmable tuner |
| 07/09/1991 | US5031046 Remote control device for a television set |
| 07/09/1991 | US5031045 CATV terminal device having a program booking timer function |
| 07/04/1991 | DE4029716A1 Voice operated remote control system - evaluates priority of speech command in conjunction with accuracy of matching |
| 07/04/1991 | DE4029702A1 Command decoding in voice control system - using decoder to receive speech commands and assemblying command data for transmission |
| 07/03/1991 | EP0435370A2 Remote control television system using supplementary unit for simplified personalized control |
| 07/03/1991 | CN1052760A Band indicative segmented tuning bar display |
| 06/29/1991 | CA2028201A1 Automated adjustment of air-core coil inductance |
| 06/26/1991 | EP0433844A1 Segmented bar display for a programmable tuner |
| 06/26/1991 | EP0433837A2 Band indicative segmented tuning bar display |
| 06/26/1991 | EP0433596A2 Method and apparatus for suppressing undesired automatic transmitter change-over |
| 06/19/1991 | EP0432736A1 Programme storage method in television receivers |
| 06/13/1991 | WO1991008618A1 Receiver |
| 06/11/1991 | US5023938 Station selecting device in tuner for automatic selection according to input information |
| 06/11/1991 | US5023932 Radio communication system comprising a portable unit carrying out a battery saving operation related to a scanning operation of a fixed unit |
| 05/29/1991 | EP0429000A2 RDS broadcast receiver with a device for country-specific interpretation of RDS data |
| 05/29/1991 | EP0428866A2 Method and apparatus for suppressing transmitter change-over in RDS receivers due to local disturbances |
| 05/28/1991 | US5020142 Automatic scanning tuner |
| 05/28/1991 | US5020140 Three digit channel entry system |
| 05/28/1991 | US5020139 Three digit channel entry by use of an extended keypress |
| 05/16/1991 | WO1991007064A1 Scanning receiver with manual override of frequency scanning routine |
| 05/07/1991 | US5014348 Self-programming scanning radio receiver |
| 04/25/1991 | DE4033839A1 Channel indicator for TV and radio receiver - has switching pattern, selecting receivable station and optically displaying on screen |
| 04/23/1991 | CA1283454C Rapid access remote control system |
| 04/16/1991 | US5008955 Receivers with microcomputer controlled tuning |
| 04/03/1991 | EP0420507A2 A method of tuning and compensating the received signal strength indicator in a radio telephone |
| 04/03/1991 | EP0420506A2 Method of simplifying the adjustment of a radio telephone |
| 04/02/1991 | US5005084 Remote control television system using supplementary unit for simplified personalized control |
| 03/26/1991 | US5003396 Black and white monitoring system for use in a remote controller |
| 03/20/1991 | EP0417807A2 Remote control unit |
| 03/20/1991 | EP0417735A2 Improved television receiver |
| 03/19/1991 | US5001775 AM/FM receiver with insertable memory card and display of frequencies and respective geographic regions |
| 03/14/1991 | DE4021482A1 Display and operational command control - has numerous service keys near display for number of audio signal units of different functions |
| 03/07/1991 | WO1991003102A1 Process for programme setting sequencing |
| 03/06/1991 | EP0415610A2 Radio receiver |
| 03/05/1991 | US4998292 Programming method and/or equipment for audio or video appliances |
| 03/05/1991 | US4998217 Sweep generator linearization system and method |
| 02/28/1991 | DE3928176A1 Programming audio or video appts. - starting transmitter search at starting position of frequency range available for reception |
| 02/28/1991 | DE3927837A1 Verfahren zur programmplatz-sortierung Procedures for program space-sorting |
| 02/27/1991 | EP0413838A1 Television receiver with positional remote control |
| 02/06/1991 | EP0411422A2 Improved television receiver |
| 02/06/1991 | EP0217898B1 Tuning system for tv sets |
| 01/29/1991 | US4989263 Radio receiver with automatic mode changeover circuit |
| 01/22/1991 | US4987605 Radio receiver incorporating automatic means for setting broadcast standard |
| 01/17/1991 | DE3922041A1 Remote control using microprocessor - with memory cells retaining various programs for remote control of several, different electronic appts. |
| 01/16/1991 | EP0407791A1 Television set |
| 01/08/1991 | CA1278887C Fast tuning control for a television system |
| 01/03/1991 | DE4014373A1 Liquid crystal display for car cassette radio - has change from dark to white characters dependent upon ambient lighting intensity |