Patents
Patents for H03J 1 - Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general (3,665)
03/1980
03/25/1980CA1074469A1 Uhf tuner with individual channel step selection
03/18/1980US4193686 Counting circuit for determining the incoming frequency or received channel in a high-frequency superhet receiver
03/11/1980CA1073568A1 Adjustable brilliance gas display system
03/04/1980CA1073130A1 Ac line multiplexing for a multi-digit display system
02/1980
02/05/1980US4186612 Tuner driving mechanism permitting play in location of input member
01/1980
01/29/1980CA1070869A1 Mechanical channel selector device
01/22/1980US4184447 Tuning apparatus
01/22/1980US4184446 Remote control apparatus for presetting a tuning device to desired stations
01/22/1980CA1070443A1 Tuner pinion gear guide
01/01/1980US4181916 Liquid crystal channel number display responsive to ambient light level
01/01/1980US4181915 LED Channel number display responsive to ambient light level
12/1979
12/18/1979US4179733 Computer for control of communication signals
12/11/1979US4178547 Remote microphone with approved channel selector
12/11/1979CA1067760A1 Television channel indicator
12/04/1979US4177428 Circuit arrangement for amplifying oscillator oscillations and converting same to rectangular signals
12/04/1979CA1067630A1 Character display device
11/1979
11/20/1979US4175259 Construction of preset plate for VHF tuner
11/20/1979CA1066781A1 Universal automotive electronic radio
10/1979
10/30/1979US4172390 Lever for memory fine tuning arrangements for turret type television tuner
10/09/1979CA1064130A1 Monitoring system for voltage tunable receivers and converters utilizing an analog function generator
09/1979
09/11/1979US4167703 Tuning apparatus with band-selection means
09/11/1979US4167702 Tuning apparatus
08/1979
08/22/1979EP0003634A1 Method of aligning a radio receiver and means for indicating the alignment of a radio receiver
08/21/1979US4165500 Tuning indicating device having a two-dimensional display of two values
08/21/1979CA1061024A1 Channel indicating system
08/21/1979CA1060956A1 Yig tuned mixer
08/14/1979US4164711 Tuning system including a memory for storing tuning information with user controls arranged to facilitate its programming
08/14/1979CA1060559A1 Monitoring system for voltage tunable receivers and converters utilizing voltage comparison techniques
08/07/1979USRE30062 Elongated strip type indicator arrangement for UHF television tuner
08/07/1979US4163943 Radio receiver employing premixing and digital display
07/1979
07/31/1979US4163203 Tuning apparatus for selecting preset broadcast frequencies
07/24/1979USRE30054 Control device
06/1979
06/26/1979CA1057434A1 Fine tuning assembly for preset tuner
06/05/1979US4157504 VHF Television tuner with easy/flexible access
05/1979
05/29/1979US4156850 Display system for facilitating the setup of a tuning system
05/22/1979US4156193 Crystalless scanning radio receiver and transmitter
05/22/1979CA1055173A1 Radio frequency tuner
05/22/1979CA1055158A1 Magnetic recording apparatus
05/08/1979CA1054271A1 Television tuning system with precision substrate switch assembly
05/08/1979CA1054270A1 Abrupt junction varactor diode television tuner
05/01/1979US4152682 Fine tuning mechanism in a tuner
05/01/1979CA1053813A1 Detent uhf tuner with preset memory
04/1979
04/24/1979US4151559 Electronic television tuner interface circuit
04/17/1979US4150347 Dual band pushbutton electronic tuning system
03/1979
03/13/1979CA1050657A1 Multi-level television receiver channel indicia display
03/06/1979CA1050180A1 Compact speed reduction mechanism for a uhf indicator dial
02/1979
02/20/1979CA1049166A1 Detent uhf tuner with preset memory
02/06/1979US4138653 Solid state tuner control
02/06/1979US4138647 Memory type tuning system for storing information for a limited number of preferred tuning positions
02/06/1979CA1048179A1 Adaptable tuner assembly
01/1979
01/16/1979US4135158 Universal automotive electronic radio
12/1978
12/19/1978CA1044829A1 Channel indicator device
12/12/1978US4129842 U-shaped microstrip resonant circuit
12/12/1978CA1044387A1 Channel indicating apparatus
12/05/1978US4128821 Turret type television tuner
11/1978
11/21/1978US4126051 Channel selector
11/14/1978US4125028 Rotatable link coupling mechanism for radio tuning shafts
10/1978
10/31/1978US4123781 Television tuner with fine tuning means
10/31/1978US4123724 Communication equipment
10/31/1978US4123714 FM Receiver with liquid crystal signal indicator
10/31/1978US4123713 Memory type tuning system with provisions to facilitate setup
10/31/1978CA1041635A1 Device for presetting a television program and the like
10/17/1978CA1040766A1 Tuner with digitally coded indicia
10/17/1978CA1040715A1 Dial scale and station indicator
10/10/1978US4118991 Tuning display mechanism for multiband pushbutton tunable receiver
09/1978
09/26/1978USRE29786 Combined 82-position UHF and VHF television tuner with memory fine tuning
09/19/1978US4114459 Detent UHF tuner with memory type independent fine tuning
09/12/1978US4114101 Digital frequency display device
09/12/1978US4114098 Mechanical channel selector device
09/05/1978US4112376 Radio channel display and method of display
09/05/1978CA1038043A1 Remote power control apparatus
08/1978
08/29/1978US4110695 Tuning circuit for high frequency receivers
08/15/1978US4107615 Receiver including an automatic tuning correction suppression circuit coupled to the tuning member
06/1978
06/27/1978US4097828 Tuning unit with bandswitch for high frequency receivers
06/27/1978US4097810 Phase locked loop tuning system with a preset channel memory
06/20/1978US4096411 Gas discharge tube and means for maintaining an invisible gas discharge therein
06/06/1978US4093930 Radio tuning arrangement
06/06/1978US4093922 Microcomputer processing approach for a non-volatile TV station memory tuning system
06/06/1978US4093921 Microcomputer processing approach for a non-volatile TV station memory tuning system
05/1978
05/30/1978US4092594 Crystalless scanning radio receiver controlled by processing means
05/30/1978US4091513 Accurate UHF television tuning system and method of fabricating same
05/02/1978US4087793 Digital electronic control and switching arrangement
02/1978
02/21/1978US4075568 Electrical control device
12/1977
12/27/1977US4065727 Variable frequency oscillator having programmable digital frequency display
12/13/1977US4063178 Memory tuning system with different speeds in program and operate modes
12/13/1977US4062243 Tuner pinion gear guide
12/06/1977US4061980 Radio receiver with plural converters and frequency control
11/1977
11/29/1977US4060051 Indicator simulating a seven-segment readout device
11/15/1977US4058756 Bidirectional channel skipping tuner drive system with single pole programming switch
11/01/1977US4056796 Detented UHF television tuner with independent inductive fine tuning
11/01/1977US4056795 Wiper contact for turret-type varactor controller
11/01/1977US4056794 Channel selection mechanism for an electronic tuner
10/1977
10/18/1977US4054853 UHF television tuner with electrical fine tuning
10/11/1977US4052956 Channel indicator
10/04/1977US4052675 Uhf tuner arrangement
09/1977
09/20/1977US4048949 Planetary turret indicator
09/13/1977US4048597 Planar printed circuit board arrangement useful in the uhf portion of a television tuner
09/13/1977US4048562 Monitoring system for voltage tunable receivers and converters utilizing voltage comparison techniques
09/06/1977US4047112 Channel selector employing variable capacitance elements for tuning
08/1977
08/23/1977US4043206 Channel selecting shaft mounting arrangement for UHF tuners
1 ... 26 27 28 29 30 31 32 33 34 35 36 37