Patents
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)
09/1982
09/21/1982CA1132274A1 Tuning apparatus
09/21/1982CA1132273A1 Channel programing apparatus for a signal receiver
09/21/1982CA1132272A1 Channel selector
09/14/1982US4348911 Pushbutton
09/14/1982CA1131721A1 Hangup corrector useful in locked loop tuning system
09/08/1982EP0059268A1 Tuner for television receivers
09/07/1982US4348771 Digital tuning system for a radio receiver
09/07/1982US4348770 Manual channel selection apparatus
09/07/1982CA1131373A1 Surface-acoustic-wave filter for channel selection system of television receiver
09/01/1982EP0011646B1 Electronically tuned radio receiver
08/1982
08/31/1982US4347628 Rotary tuning mechanism
08/31/1982CA1130937A1 Electronic tuning circuit having image trapping element
08/24/1982CA1130399A1 Digital phase comparing apparatus
08/17/1982US4344688 Interchangeable lens assembly
08/10/1982US4344186 Tuning circuit
08/10/1982CA1129569A1 Low profile pushbutton radio tuner
08/03/1982CA1129126A1 Tuning system including a memory for storing tuning information with user controls arranged to facilitate its programming
07/1982
07/27/1982US4341769 2,6-Diaminonebularines, their production and use
07/20/1982CA1128220A1 Combination vhf and uhf tuner arrangement
07/13/1982US4339827 Automatic tuning circuit arrangement with switched impedances
07/13/1982US4339826 Radio receiver having phase locked loop frequency synthesizer
07/06/1982CA1127331A1 Tuner driving mechanism permitting play in location of input member
07/06/1982CA1127330A1 Tuner with aft
06/1982
06/29/1982US4337486 Synchronizing signal discriminator for use in channel selection apparatus of television receiver
06/29/1982US4337382 Mechanism for preventing the simultaneous locking of push buttons in a push-button switch device
06/15/1982US4335404 Video signal mixer apparatus and method
06/08/1982US4334323 Self tracking tuner
06/08/1982US4334318 Broadcast receiver tuning circuit
06/08/1982CA1125445A1 Channel change indication circuit
06/08/1982CA1125444A1 Tuning apparatus
06/08/1982CA1125443A1 Wide window tuning system
06/01/1982CA1124902A1 Memory control circuit
06/01/1982CA1124901A1 Channel selecting apparatus for use with signal receiver and signal recorder
05/1982
05/27/1982WO1982001796A1 Tuner
05/26/1982EP0052289A2 Voltage follower amplifier
05/25/1982US4331038 Push-button type tuner apparatus
05/25/1982CA1124420A1 Display system for facilitating the setup of a tuning system
05/18/1982US4330867 Channel selection data memory device
05/04/1982US4328531 Thick film multilayer substrate
05/04/1982US4328517 Channel selection apparatus for television receiver
05/04/1982CA1123128A1 Tuning apparatus
04/1982
04/28/1982EP0050392A1 Automatic frequency control system
04/28/1982EP0050202A1 Push button unit
04/28/1982EP0050201A1 Push button unit
04/27/1982CA1122659A1 Multi band radio receiver system with phase locked loop
04/20/1982US4326295 Television tuner circuit
04/20/1982US4326220 Television receiver
04/13/1982CA1121924A1 Low profile pushbutton tuner
04/13/1982CA1121923A1 Method and apparatus for deriving a slope factor
04/13/1982CA1121866A1 Electrically tunable inductor and method
03/1982
03/30/1982US4322856 Double superheterodyne tuner for receiving television aural signals
03/30/1982US4322644 Circuit arrangement for controlling the operating functions of a broadcast receiver
03/16/1982US4320530 Channel selecting apparatus employing frequency synthesizer
03/16/1982US4320255 Radio with audio controls and associated displays
03/10/1982EP0046835A2 Multichannel radiotelecommunication apparatus for the operating modes "two-way speech communication" and/or "alternating duplex communication"
03/02/1982US4318130 Microprocessor control system for television receivers
03/02/1982US4317381 Pushbutton tuner
02/1982
02/23/1982US4317227 Multi-mode automatic channel frequency synthesis system
02/23/1982US4317226 Circuit arrangement for tuning into one of a number of radioelectric signals
02/23/1982US4317225 Channel identification apparatus useful in a sweep type tuning system
02/09/1982US4315332 Electronic timepiece radio
02/02/1982US4314375 Television tuning system
02/02/1982CA1117673A1 Tuning apparatus
02/02/1982CA1117672A1 Remote control apparatus for presetting a tuning device to desired stations
01/1982
01/26/1982US4313214 Electronic tuning radio receiver
01/26/1982US4313213 Computer controlled television receiver with display
01/26/1982US4313212 Electrical circuit arrangements, for example for use with communications receivers
01/20/1982EP0044237A1 Device for controlling the operating point of an electronic circuit with many variable elements, especially for a television receiver
01/12/1982US4310924 Channel programming apparatus for a signal receiver
01/12/1982US4310923 Two-way transceiver including frequency synthesizer
01/05/1982US4309579 Ganged push-button switch
01/05/1982US4308757 Clutch device, particularly for the manual tuning control in a car radio
12/1981
12/30/1981EP0042728A1 Tuning control apparatus of receiver having electronic tuner
12/22/1981US4307467 Continuous tuning arrangement for a multiband television receiver
12/15/1981US4306310 Superheterodyne receiver frequency tracking circuit
12/15/1981US4306309 Memory control circuit for a television receiver
12/15/1981US4306294 Combined electronic calculator and electronically tuning radio receiver
12/08/1981US4305158 Television tuner
12/08/1981US4305157 Tuning circuit using a phase-locked loop
12/08/1981US4305156 Rotary switch type television tuner
11/1981
11/17/1981US4301540 Electronic tuning type receiver with digital to analog converter
11/17/1981CA1112724A1 Apparatus for receiving signals in plural frequency bands
11/10/1981US4300109 Turret type television tuner having an elastic and a rigid support disc
11/10/1981US4299132 Device for disabling the control of disengagement for the tuning knob, particularly for a keyboard car radio
11/04/1981EP0039275A1 Combined synthesis and demodulation device for a receiver of frequency-modulated waves, and receiver comprising it
11/03/1981US4298989 Tuning apparatus
11/03/1981US4298988 Digital channel selection and fine tuning system
11/03/1981US4298851 Presettable tuning apparatus
10/1981
10/28/1981EP0038580A1 Radio apparatus with a programmable memory for controlling transmitting and receiving channels
10/28/1981EP0038501A2 Push-button block
10/27/1981CA1111581A1 Tuning system equalized with the slope factor of the tuning curve
10/27/1981CA1111580A1 Memory-saving all channel digital tuning system
10/27/1981CA1111501A1 Radio receiver with frequency selection and muting
10/21/1981EP0038161A1 2,6-Diaminonebularines, their production and use
10/20/1981US4296407 Digital frequency synthesizer with frequency divider programmable in response to stored digital control signal
10/20/1981US4296391 Surface-acoustic-wave filter for channel selection system of television receiver
10/20/1981CA1111107A1 Entry apparatus of digital value in memory
10/13/1981US4295165 Television signal discrimination system in a television receiver
10/06/1981CA1110372A1 Tuning apparatus
10/06/1981CA1110356A1 Mesfet device surface-wave-device channel selector
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