Patents
Patents for H03J 1 - Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general (3,665)
12/1990
12/27/1990EP0403744A2 RDS broadcast receiver with empirically growing memory contents in its program memories
12/25/1990US4980663 Automated adjustment of air-core coil inductance
12/05/1990EP0401015A2 Apparatus for controlling a television receiver
12/05/1990EP0400337A1 Remote control device for a television receiver
11/1990
11/29/1990DE4002616A1 Scanning channels for programming memory in VCR or TV - memorising channel frequency when synchronising circuit is detected, and de-tunes circuit if not
11/15/1990DE4012273A1 Fernsteuereinheit Remote control unit
11/07/1990EP0396103A2 Channel selecting apparatus
11/06/1990US4969209 Broadcast receiver capable of selecting stations based upon geographical location and program format
11/01/1990WO1990013176A1 Radio receiver with digital frequency selection
10/1990
10/25/1990DE3913278A1 Rundfunkempfaenger mit digitaler frequenzeingabe Rundfunkempfaenger with digital frequency input
10/23/1990US4965557 Interactive control of entertainment electronics apparatus
10/10/1990EP0391657A2 Tuner control apparatus having tune-by-label capability
10/10/1990EP0391656A2 Tuner control apparatus having tune-by-label capability and using alphabetical label storage
10/04/1990DE4009835A1 Car tape recorder or CD player - has removable unit contg. command data generator and command signal transmitter in response to actuating signal
10/03/1990EP0389493A1 Tvro receiver system with automatic bandwidth adjustment
10/03/1990CN1009890B Signal receiver
09/1990
09/26/1990EP0389012A1 Broadcast receiver for radio or television signals, including a memory for storing preset stations
09/26/1990EP0273046A4 Fast tuning control for a television system
09/25/1990US4959810 Universal remote control device
09/25/1990US4959720 Tuner control apparatus having tune-by-label capability
09/20/1990DE4006427A1 Display system with switched display function - has memory holding two=dimensional image data groups corresponding to respective functions
09/12/1990EP0386836A1 Method of processing a radio data signal and receiver for performing said method
09/12/1990EP0386835A1 Method of processing a radio data signal, and receiver for performing said method
09/05/1990CN1045203A Unitary capacitance trimmer
08/1990
08/29/1990EP0384326A1 Unitary capacitance trimmer
08/14/1990CA1272798A1 Control method for limiting watching distance in television
08/07/1990US4947456 Scanning radio receiver
06/1990
06/27/1990EP0375467A1 Control system
06/19/1990US4935619 Wireless remote-control system for electronic apparatus
06/13/1990EP0372430A2 Automatic antenna tuning
06/05/1990US4932072 Mobile station equipment for a mobile radio telephone system
05/1990
05/23/1990CN1042460A Satellite radio receiver
05/17/1990WO1990005410A1 Satellite radio receiver
05/16/1990CN1042283A Commercial message timer
05/09/1990EP0367348A1 Adjustable passive component
05/09/1990EP0367214A1 Satellite broadcast receiver
05/08/1990US4924300 Method of and device for tuning a resonant circuit coupled to a frequency discriminator
05/02/1990EP0366001A2 Commercial message timer
04/1990
04/24/1990US4919640 Auto tuning apparatus
04/19/1990DE3934314A1 Radio data signal receiver for automobile - performs channel pre selection and automatic switching to different frequency to provide same programme upon loss of signal
04/19/1990DE3934282A1 Radio data signal receiver for motor vehicle - initiates interruption mode by data contained in demodulated radio waves for traffic news
04/17/1990US4918531 Signal selection system
04/17/1990CA1267980A1 Television tuning system with provisions for quickly locating active cable channels
04/05/1990WO1990003696A1 Tvro receiver system with automatic bandwidth adjustment
04/03/1990US4914517 Tuner control apparatus having tune-by-label capability and using alphabetical label storage
03/1990
03/29/1990DE3833164A1 Audio-abstimmsystem zum empfangen und abstimmen von adio-zwischentraegersignalen in einem tvro-system Audio-tuning to receive and vote of adio-zwischentraegersignalen in a TVRO system
03/29/1990DE3831994A1 Antenna system
03/27/1990US4912404 Instrument for tuning and testing radio frequency circuits
03/22/1990DE3830921A1 Arrangement for adapting a receiving device to various channel spacings
03/21/1990EP0359476A2 Synthesizer radio receiver
02/1990
02/28/1990EP0355742A2 A commander apparatus
02/20/1990US4903328 Automatic frequency sweeping method for controlling a frequency synthesizing type autotuner
02/14/1990EP0354523A2 Remote control for an electronic apparatus with switching power supply
02/14/1990EP0354313A2 Device for the transmission of tuning data in receiver apparatus
01/1990
01/31/1990EP0352764A2 High-frequency receiver with a device for indicating transmitter programmes
01/30/1990US4897727 Television tuning system allowing rapid response to user initiated commands
01/30/1990US4897718 Rapid access remote control system
01/30/1990US4897624 Electronic device
01/09/1990US4893100 External manual rotatable drive useable to tune a VCR
12/1989
12/27/1989EP0347686A1 Rotating transmitter for digital pulses, and method of using it
12/19/1989US4888815 Scanning radio receiver
12/13/1989CN2049439U Multifunction frequency tuner
12/13/1989CN1038002A Wireless remote-control system for electronic apparatus
11/1989
11/30/1989DE3817621A1 Remote control system with a battery-fed or accumulator-fed remote control unit
11/16/1989WO1989011181A1 Method and system for signal detection
11/14/1989US4881273 RDS system radio
11/08/1989EP0340343A1 Wireless remote control system of electronic sets
11/02/1989EP0339329A2 Radio receiver with a decoder
10/1989
10/24/1989US4876736 Method and apparatus for determining channel reception of a receiver
10/18/1989EP0337609A2 Radio data system receivers
10/11/1989EP0336650A2 Self-programming scanning radio receiver
10/11/1989EP0336613A2 Unitary tuning structure
10/05/1989DE3153411C2 Multi-station receiver with muting circuit
09/1989
09/20/1989EP0333551A1 Radio apparatus with a transmission channel searching system
09/20/1989EP0333194A2 Radio data system receiver
09/19/1989US4868892 Tuning system with provisions for calculating the local oscillator frequency from an aft characteristic
09/12/1989US4866434 Multi-brand universal remote control
09/05/1989US4864639 Self-test device and method having an amplifier converted into an oscillator
08/1989
08/31/1989DE3901094A1 Motor vehicle broadcast receiver
08/23/1989EP0328773A2 Remotely controlled transmitter with a bar code reader
08/22/1989US4860380 Autoprogramming tuner apparatus
08/15/1989US4858159 Frequency-tuneable filter calibration
08/15/1989US4858006 Method and apparatus for establishing a servicing mode of an electronic apparatus
08/09/1989EP0326747A2 Radio data system receiver
08/09/1989EP0326746A2 Radio data system receiver
08/08/1989US4856082 Reception sensitivity control system in a sweeping receiver
07/1989
07/25/1989US4851798 Unitary tuning structure
07/06/1989DE3742654A1 Method for tuning an RF modulator
06/1989
06/29/1989DE3832454A1 Control method for an RDS receiver
06/22/1989DE3249779C2 RF receiver having a programme scanning device
06/21/1989EP0320598A2 Tuning method for a HF modulator
06/20/1989US4841368 Television customer control functions restorer
06/14/1989EP0319778A2 Data-receiving apparatus
06/01/1989DE3739272A1 Transport device for a part guided along a straight section
05/1989
05/30/1989US4835614 Control method for limiting watching distance in television
05/30/1989US4835498 Tunable microwave filtering device with dielectric resonator, and applications
05/23/1989US4833728 Automatic station searcher
05/23/1989US4833727 Remote-controlled receiver arrangement using a modulated carrier
05/18/1989DE3827204A1 Method and device for programming receivers for picture and sound broadcast transmissions
05/10/1989EP0314995A2 RDS receiver
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