| Patents for H03J 1 - Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general (3,665) |
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| 06/23/1994 | DE4243622A1 Radio receiver with memory holding reception frequencies |
| 06/21/1994 | US5323240 Television receiver that automatically keeps track of favorite channels to facilitate tuning |
| 06/16/1994 | DE4241215A1 Supplying current to HF receiver from prim. or sec. cell battery - controlling PLL frequency processing circuit using control signal provided by squelch circuit |
| 06/15/1994 | EP0601743A1 Tuning of a radio receiver |
| 06/15/1994 | EP0601554A1 Television receiver with a device for automatic channel programming |
| 06/15/1994 | EP0601374A1 Receiving apparatus with automatic tuning adjustment at fabrication and search stop by means of a microcomputer |
| 06/15/1994 | CN1025095C Stability detection method and apparatus for tuning system |
| 06/14/1994 | US5321850 Diversity radio receiver automatic frequency control |
| 06/09/1994 | DE4341116A1 System und Verfahren zur automatischen Einstellung von Rundfunkkanälen System and method for automatic adjustment of broadcast channels |
| 06/01/1994 | EP0293464B1 Process for transmitting and/or evaluating on the receiver side information inside a radio signal |
| 06/01/1994 | DE4239759A1 Switching to receivable alternative frequency of RDS receiver - switching reception frequency from instantaneous one to that of another station, when changeover condition exists |
| 05/25/1994 | CN1024736C Band indicative segmented tuning bar display |
| 05/17/1994 | US5313659 Method of automatically tuning a radio |
| 05/11/1994 | EP0596440A1 Station selecting apparatus for digital modulation signal use |
| 05/11/1994 | EP0596086A1 Channel recognition process |
| 05/04/1994 | EP0595314A1 Tuning method for a radio receiver |
| 05/03/1994 | US5309429 Transmitter-receiver |
| 04/20/1994 | EP0592975A2 Voltage synthesis tuning method for television signal receivers with direct channel call |
| 04/20/1994 | EP0303715B1 Receiver |
| 04/14/1994 | WO1994008407A1 Process for tuning a radio receiver using rds data |
| 04/13/1994 | CN1085365A A communications system |
| 04/12/1994 | US5303400 Radio frequency receiver including dual receivers for increasing scanning speed |
| 04/12/1994 | US5303398 Stability detection method and apparatus for a tuning system |
| 04/12/1994 | US5303063 VCR control of a cable converter unit |
| 04/07/1994 | DE4233282A1 Verfahren zur Abstimmung eines Rundfunkempfängers unter Verwendung der RDS-Information A method of tuning a broadcast receiver using the RDS information |
| 04/07/1994 | DE4233210A1 Car radio receiver with RDS decoder - decodes data in transmitted information signal w.r.t. frequency and location of transmitter |
| 04/05/1994 | US5301358 Automatic antenna tuning method and apparatus |
| 04/05/1994 | US5300935 Antenna controlling apparatus and method thereof |
| 03/31/1994 | DE4232545A1 Operating or display element illumination device for car radio - controls different colour light sources by microcomputer to provide required colour and intensity |
| 03/29/1994 | US5299011 Method of and apparatus for channel scanning |
| 03/24/1994 | DE4331543A1 IR remote controlling for TV and audio equipment - storing remote control signals according to formats in relevant IR signal receiver |
| 03/23/1994 | EP0588121A1 RDS-broadcast receiver with a means for clickless change-over to alternative frequencies |
| 03/23/1994 | EP0587886A1 A method for tuning an rf bandpass filter. |
| 03/17/1994 | WO1994006208A1 Television tuning apparatus |
| 03/16/1994 | CN1083996A Negative feedback control circuit having a common line for input and output signals |
| 03/09/1994 | EP0585693A2 A communications system |
| 03/03/1994 | WO1994005081A1 Tuning apparatus and a method |
| 03/02/1994 | EP0585169A1 Method for using remote control signals, remote control unit and related functional units and installation |
| 03/02/1994 | EP0584839A1 Method for the use at the reception end of additional information within a radio signal |
| 02/24/1994 | DE4227680A1 FM receiver with RDS evaluator - has control determining difference between two frequencies, and matching times for various frequency differences |
| 02/23/1994 | EP0583846A1 Receiver for receiving high-frequency signals |
| 02/23/1994 | CN1082798A Apparatus and method for controlling television receiver |
| 02/23/1994 | CN1082786A Method and circuit for selecting tuning of a radio receiver |
| 02/16/1994 | EP0583027A1 Circuit for determining the field strength of FM transmitters |
| 02/09/1994 | EP0581929A1 Method of inputting alphanumeric data |
| 02/08/1994 | US5285284 Television receiver with a dual tuner system |
| 02/03/1994 | DE4225052A1 Remote control unit for domestic entertainment electronic appts., e.g. TV - has push-buttons for entering programme details which can be called up and transmitted or varied |
| 01/26/1994 | EP0580366A2 Channel selecting apparatus |
| 01/26/1994 | EP0579955A1 Transmitting and receiving system |
| 01/26/1994 | CN1081300A Transmitting and receiving system |
| 01/25/1994 | US5282028 System for displaying information |
| 01/20/1994 | WO1994014241A1 Remote control device having key function reassignment mode |
| 01/20/1994 | WO1994001969A1 Universal remote control with function synthesis |
| 01/18/1994 | US5280640 High speed automatic frequency tuning method |
| 01/18/1994 | US5280639 Double super-heterodyne tuner |
| 01/18/1994 | US5280638 RF filter self-alignment for multiband radio receiver |
| 01/13/1994 | DE4315346A1 Automatic programming of remotely controlled radio receiver station memory - using free-space or waveguide optical link from transmitter supplied with command sequences from expandable data bank |
| 01/12/1994 | EP0578007A1 Circuit arrangement for the recognition and suppression of adjacent channel interferece |
| 01/11/1994 | US5278655 Automatic channel matching system and method thereof |
| 01/05/1994 | EP0470963B1 Radio receiver with digital frequency selection |
| 01/05/1994 | DE4321821A1 Receiver tuning reception frequencies - has receiver tuner in first direction from first frequency up to first limit. |
| 01/05/1994 | DE4221617A1 Radio receiver apparatus tuning method - makes traffic message channel information audible or visible when transmitted value is detected to be equal to required value. |
| 12/21/1993 | US5272534 Television receiver with automatic tuning control |
| 12/16/1993 | DE4318867A1 Audio equipment incorporating RDS receiver - includes muting circuit for suppression of noise emission during intervals of reception interference of mobile antenna |
| 12/02/1993 | DE4317313A1 Television receiver remote control unit - has buttons and knob with rotary encoder for setting audio volume, channel selection, screen position etc. |
| 11/30/1993 | CA1324815C Display for radio receiver having station format selection capability |
| 11/25/1993 | WO1993023963A1 Method and circuit for selecting tuning of a radio receiver |
| 11/25/1993 | WO1993023953A1 Channel recognition process |
| 11/25/1993 | CA2112809A1 Method and circuit for selecting tuning of a radio receiver |
| 11/23/1993 | CA1324655C Channel display circuit for distinguishing the existence or nonexistence of the signal at a sattelite-broadcast receiver |
| 11/18/1993 | DE4215730A1 Cellular time division radio system - carries out automatic synchronisation of radio transmitters using received data telegrams |
| 10/26/1993 | US5257416 Method for dynamically changing channel priority for scan in a receiver |
| 10/20/1993 | EP0213577B1 Apparatus providing data backup upon power failure in a micro-computer controlled television receiver |
| 10/19/1993 | US5255313 Universal remote control system |
| 10/19/1993 | US5255162 Lighting device for a grille of a car stereo |
| 10/14/1993 | WO1993020616A1 A method for tuning an rf bandpass filter |
| 10/13/1993 | CN1077324A "methods and apparatus for communicating program data sienals via a remote control unit" |
| 10/12/1993 | US5253068 Gun shaped remote control unit for a television |
| 10/07/1993 | DE4210961A1 Integrated circuit with phase comparison section - has second section generating frequency search stop according to IF count principle |
| 10/05/1993 | US5251035 Satellite broadcasting tuner |
| 09/29/1993 | EP0562794A1 Superheterodyne receiver |
| 09/22/1993 | CN1076578A Method for reducing hrc mode reception time in cable television |
| 09/21/1993 | US5247703 Transceiver with off hook scanning |
| 09/21/1993 | US5247580 Voice-operated remote control system |
| 09/15/1993 | EP0560475A1 Method and apparatus for selecting optimum receiving frequency in a multichannel receiver |
| 09/08/1993 | EP0559344A2 Television tuner |
| 09/07/1993 | US5243430 Remote control apparatus and method for omnidirectional signal transmission |
| 09/02/1993 | WO1993017496A1 Method of inputting alphanumeric data |
| 09/01/1993 | CN1075840A VCR control of a cable converter unit |
| 09/01/1993 | CN1075839A Improved process for the production of mesophase pitch |
| 09/01/1993 | CN1075838A Automatic detection of kind of cable converter unit coupled to a VCR |
| 08/26/1993 | DE4230912A1 Verfahren zur eingabe von alphanumerischen informationen Method for the input of alphanumeric information |
| 08/25/1993 | CN1075584A VCR control of a cable converter unit |
| 08/19/1993 | DE4302015A1 Programmable remote operational unit for home entertainment appts. - gives distinctively coloured signals denoting learning mode and storage or loss of received IR signal |
| 08/17/1993 | US5237443 Fine adjustment tuning apparatus for TV and a method of storing tuning data |
| 08/17/1993 | US5237327 Wireless, hand-held |
| 08/12/1993 | DE4203494A1 Programmable extra circuit for radios, TV receivers etc. - actuates key control in dependence on time, date, and transmitter selection. |
| 08/10/1993 | US5235425 Automatic tuning method and device thereof |
| 08/10/1993 | US5235328 Remote command apparatus |
| 08/05/1993 | WO1993015488A1 Pre-programmed universal remote control method and apparatus with learning capability |