| 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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| 03/26/1991 | US5003397 Television receiver including a tuning circuit which comprises a frequency synthesis circuit |
| 03/21/1991 | WO1991003873A1 Telemetry transmitter system |
| 03/21/1991 | DE4017418A1 Double tuner type radio receiver - has two oscillators selectively coupled to phase detector, filter, smoothing circuit and divider to form two PLL-circuits |
| 03/19/1991 | US5001775 AM/FM receiver with insertable memory card and display of frequencies and respective geographic regions |
| 03/14/1991 | DE3929363A1 Telemetriesendersystem Telemetry transmitter system |
| 03/13/1991 | CN2073194U Device for radio preselection of broadcast |
| 03/07/1991 | WO1991003102A1 Process for programme setting sequencing |
| 03/06/1991 | EP0415649A2 Compensated phase locked loop circuit |
| 03/05/1991 | US4998293 Multiple-band mixer circuit |
| 02/28/1991 | DE3928145A1 Car radio with stored setting variables - uses entered input code to access different sets of stored values |
| 02/28/1991 | DE3927837A1 Verfahren zur programmplatz-sortierung Procedures for program space-sorting |
| 02/26/1991 | US4996599 Television tuner oscillator with three point tracking |
| 02/06/1991 | EP0217898B1 Tuning system for tv sets |
| 02/03/1991 | WO1991002418A1 Synthesized selective call receiver having variable characteristics |
| 01/17/1991 | DE3922626A1 Input band filters circuit for TV receiver - has common inductance, acting as oscillation circuit inductance for filters |
| 01/16/1991 | EP0408066A2 Television tuner |
| 01/16/1991 | EP0228433B1 Frequency dividing arrangements |
| 01/09/1991 | EP0407263A1 Receiving system for TV signals which are retransmitted by satellites |
| 01/09/1991 | EP0406469A1 Digital control circuit for tuning systems |
| 01/09/1991 | CN1048470A Frequency synthesizer with interface controller and buffer memory |
| 01/08/1991 | CA1278887C Fast tuning control for a television system |
| 01/05/1991 | WO1991000646A1 Receiving system for satellite-transmitted television signals |
| 01/05/1991 | CA2035445A1 System for receiving tv signals transmitted by satellite |
| 01/01/1991 | US4982444 Television tuning apparatus capable as serving selectively as a UHF tuner and a VHF tuner |
| 12/30/1990 | WO1991000651A1 Frequency synthesizer with an interface controller and buffer memory |
| 12/27/1990 | EP0404596A2 Frequency setting method and apparatus for radio transmission apparatus |
| 12/27/1990 | EP0403492A1 Bandswitching a two-way radio having a pll. |
| 12/27/1990 | CA1278393C Television receiver |
| 12/12/1990 | EP0402273A1 Synthesizer receiver |
| 12/12/1990 | EP0401932A1 Receiver for terrestrial AM and satellite FM-TV broadcasting signals |
| 12/11/1990 | US4977613 Fine tuning frequency synthesizer with feedback loop for frequency control systems |
| 11/29/1990 | DE4002616A1 Scanning channels for programming memory in VCR or TV - memorising channel frequency when synchronising circuit is detected, and de-tunes circuit if not |
| 11/20/1990 | US4972509 Band switching circuit of a tuner |
| 11/15/1990 | DE4007572A1 Acoustic device for tuner |
| 11/13/1990 | US4970472 Compensated phase locked loop circuit |
| 11/07/1990 | EP0396103A2 Channel selecting apparatus |
| 11/06/1990 | US4969210 Two-way radio having a PLL |
| 11/06/1990 | US4968950 PLL frequency synthesizer output control circuit |
| 11/01/1990 | WO1990013176A1 Radio receiver with digital frequency selection |
| 10/31/1990 | EP0394358A1 Low voltage and low power frequency synthesizer |
| 10/31/1990 | EP0394257A1 Low power digital receiver. |
| 10/30/1990 | US4967275 TV receiver having a RF signal splitter that supplies more signal energy to a first tuning circuit than to the second substantially according to the picture display ratio of the first and second TV programs |
| 10/25/1990 | DE3913278A1 Rundfunkempfaenger mit digitaler frequenzeingabe Rundfunkempfaenger with digital frequency input |
| 10/16/1990 | US4963838 Frequency synthesizer |
| 10/10/1990 | EP0391656A2 Tuner control apparatus having tune-by-label capability and using alphabetical label storage |
| 10/03/1990 | CN1045903A Quieting receiver during power interruption |
| 10/03/1990 | CN1009890B Signal receiver |
| 09/26/1990 | EP0389183A1 Quieting receiver during power interruption |
| 09/26/1990 | EP0273046A4 Fast tuning control for a television system |
| 09/05/1990 | EP0385181A1 Tuner station selecting apparatus |
| 09/04/1990 | US4955076 Low noise converter |
| 08/07/1990 | US4947454 Radio with digitally controlled audio processor |
| 07/18/1990 | EP0378231A2 Frequency synthesizer |
| 05/31/1990 | DE3938946A1 Automatic sound system selector for television - has FM detector and inverter selecting signals and setting resonance frequency |
| 05/30/1990 | EP0370797A2 Radio receiver |
| 05/23/1990 | DE3938303A1 Audio IF filter circuit for TV receiver - has tuner outputs coupled to one side of audio sawtooth filter input terminals |
| 04/19/1990 | DE3934314A1 Radio data signal receiver for automobile - performs channel pre selection and automatic switching to different frequency to provide same programme upon loss of signal |
| 04/17/1990 | CA1267980A1 Television tuning system with provisions for quickly locating active cable channels |
| 04/05/1990 | CA2000167A1 Tuner-demodulator device |
| 04/03/1990 | US4914517 Tuner control apparatus having tune-by-label capability and using alphabetical label storage |
| 03/27/1990 | US4912520 Mixer circuit for use in a tuner of a television set or the like |
| 03/21/1990 | EP0359476A2 Synthesizer radio receiver |
| 03/20/1990 | US4910752 Low power digital receiver |
| 03/06/1990 | US4907292 Television tuner |
| 02/27/1990 | US4905306 Filter switching arrangement for a tuner |
| 02/27/1990 | US4905305 Method and apparatus for controlling the frequency of operation and at least one further variable operating parameter of a radio communications device |
| 02/13/1990 | US4901036 Frequency synthesizer with an interface controller and buffer memory |
| 01/31/1990 | EP0352853A1 Television receiver including a tuning circuit which comprises a frequency synthesis circuit |
| 01/31/1990 | EP0352446A2 Arrangement for programme selection with receiver apparatus of entertainment electronics |
| 01/30/1990 | US4897560 Semiconductor integrated circuit with reduced power consumption |
| 01/09/1990 | US4893087 Low voltage and low power frequency synthesizer |
| 01/03/1990 | EP0348698A2 Television tuner input circuit |
| 01/03/1990 | EP0348697A2 Television tuner |
| 01/03/1990 | EP0348680A2 Television tuner with a bandfilter circuit |
| 01/02/1990 | US4891708 Voltage superposing circuit for an electronic tuner |
| 12/20/1989 | EP0346495A1 Television tuner |
| 12/19/1989 | US4888819 Television on channel selecting apparatus with sequential selection of auxiliary signal source |
| 12/06/1989 | EP0344853A1 TV receiver |
| 11/30/1989 | DE3903262A1 Receiving system for a satellite broadcasting system |
| 11/21/1989 | CA1263150A1 Bandswitched interstage coupling network including a high side coupled capacitor |
| 11/15/1989 | EP0144394B1 A receiver system for eliminating self-quieting spurious responses |
| 11/14/1989 | US4881272 Multi-band FM receiver for receiving FM broadcasting signals and TV broadcasting sound signals |
| 11/07/1989 | EP0273031A4 Characterized fast tuning control for a television system. |
| 10/25/1989 | EP0252943A4 Variable capacitance circuit. |
| 10/05/1989 | DE3808917A1 Receiving device for frequencies in the television range |
| 10/05/1989 | DE3153411C2 Multi-station receiver with muting circuit |
| 09/26/1989 | US4870699 Method and apparatus for controlling the frequency of operation and at least one further variable operating parameter of a radio communications device |
| 09/26/1989 | US4870492 Television receiver having automatically programmable skip channel list |
| 09/07/1989 | DE3905860A1 Spannungsueberlagerungsschaltung fuer einen elektronischen kanalwaehler oder tuner Voltage superposition circuit for an electronic tuner or kanalwaehler |
| 08/31/1989 | DE3901094A1 Motor vehicle broadcast receiver |
| 08/29/1989 | US4862515 Frequency dividing arrangements |
| 08/29/1989 | US4862109 Processor controlled phase locked loop multi-band frequency synthesizer |
| 08/24/1989 | WO1989007865A1 Bandswitching a two-way radio having a pll |
| 08/22/1989 | US4860380 Autoprogramming tuner apparatus |
| 08/01/1989 | CA1258142A1 Fast tuning rf network inductor |
| 07/25/1989 | US4851796 TV-RF input circuit |
| 07/13/1989 | WO1989006456A1 Low voltage and low power frequency synthesizer |
| 07/05/1989 | CN1004743B High-speed changed rf network inductor |
| 06/29/1989 | WO1989006072A1 Television tuner |
| 06/27/1989 | US4843636 Television receiver having an automatic radiofrequency resonant circuit adjustment circuit |