Patents
Sitemap › H03 - Basic electronic circuitry › H03J - Tuning resonant circuits; Selecting resonant circuits › 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
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)
11/1980
11/04/1980US4232396 Television channel lock-out apparatus
11/04/1980US4232395 Multiband radio receiver with electronic preset tuning system
11/04/1980US4232393 Muting arrangement of a radio receiver with a phase-locked loop frequency synthesizer
11/04/1980US4231263 Manual and automatic control device for electronic equipment and others
11/04/1980CA1089097A1 Circuit for the conversion of a digital signal to a stochastic signal
10/1980
10/21/1980CA1088208A1 Digital-analog converter
10/15/1980EP0017196A1 Radio apparatus
10/14/1980US4228542 Digital tuning FM stereophonic receiver including phase locked loop synthesizer
10/07/1980US4227259 Circuit for use in remote control of a signal receiver
10/07/1980US4227257 Power supply circuit for an electronic tuning type receiver with a memory element
10/07/1980US4227217 Multiplexing arrangement for a television signal processing system
10/07/1980US4227186 Self-stabilizing analog to digital converter useful in phase locked loop tuning systems
10/07/1980US4226128 Friction device for use in car radios
09/1980
09/30/1980US4225971 Tuning apparatus for providing tuning indication
09/30/1980US4225968 Electronic tuning type receiver having a band display and numerical frequency display
09/30/1980US4225829 Local oscillator circuit having two phase locked loops having respective frequency dividers with a common division ratio
09/16/1980US4223406 Multi band radio receiver system with phase locked loop
09/16/1980US4223352 Control circuit
09/09/1980US4222120 Tuning position display system
09/09/1980US4221963 Light chopping disc for a pulse generator
09/03/1980EP0015136A1 Multiplexing arrangement for a television signal processing system
09/03/1980EP0014724A1 Automatic tuning control circuit with a control loop for a high frequency superheterodyne receiver
09/02/1980US4220922 Preset tuner
09/02/1980US4220849 Circuit arrangement for the control of a digitally settable load
08/1980
08/19/1980US4218773 Superheterodyne receiver of scanning type with indicator means to display received frequency and frequency being stored in memory
08/19/1980US4218657 Hangup corrector useful in locked loop tuning system
08/19/1980CA1084119A1 Digital frequency synthesizer receiver
08/12/1980US4217552 Receiver
08/05/1980US4216451 Variable capacitance device having a plurality of capacitance elements and a plurality of switching elements therefor formed on a single common substrate
07/1980
07/22/1980US4214217 Electronic tuning circuit having image trapping element
07/22/1980US4214212 Tuner device for a television receiver
07/15/1980CA1081874A1 Programmable frequency divider for a television receiver frequency synthesizer
07/15/1980CA1081873A1 Dual mode frequency synthesizer for a television tuning apparatus
07/15/1980CA1081860A1 Wiper contact for turret-type varactor controller
07/01/1980US4210828 Device for improving output waveform of manually controllable pulse generator for use in preset electronic tuning control device
06/1980
06/25/1980EP0012656A1 Automatic tuning apparatus for a resonator and its application within a synthesizer
06/24/1980US4209751 Channel selection apparatus
06/24/1980CA1080377A1 Dual band pushbutton tuner
06/11/1980EP0012044A1 Electronic touch switch and a channel selector comprising such a switch
06/11/1980EP0011647A1 Delay circuit
06/11/1980EP0011646A1 Electronically tuned radio receiver
06/10/1980US4207549 VHF Television tuner circuit with supression of undesired signals
06/10/1980US4207531 Tuning control system of radio receiver
06/10/1980US4207530 Electrically tunable inductor and method
06/10/1980US4207529 Radio receiver
06/10/1980US4207522 Programmable frequency scanning radio system
06/03/1980US4205557 Interlocking apparatus
05/1980
05/28/1980EP0011128A1 Digital phase comparing apparatus
05/27/1980US4205353 Combination device having a magnetic recording and reproducing unit and an electronic tuning type receiver
05/27/1980US4205272 Phase-locked loop circuit for use in synthesizer tuner and synthesizer tuner incorporating same
05/27/1980US4205271 Control device of electronic preset type tuner for multi-band radio receiver
05/27/1980US4205270 Station selection indicating device
05/27/1980CA1078462A1 Multiple-band digital frequency synthesizer receiver
05/20/1980US4204179 Mechanism for changing inductance of a push-button tuner
05/20/1980US4204173 Tuning circuit with provisions for reducing pulse width jitter
05/20/1980US4204169 Muting circuit in an electronic tuning type receiver
05/20/1980US4204166 Very high frequency tuner
05/13/1980CA1077629A1 Channel-selecting, presettable, rotary type tuning device
05/06/1980US4201969 Variable resistor and switch assembly
05/06/1980US4201944 Receiver having a measurement instrument which is used as a tuning scale
05/06/1980US4201943 Tuning circuit for a high frequency heterodyne receiver with tuning controlled by direct voltage
04/1980
04/29/1980US4200850 Combination VHF and UHF tuner arrangement
04/29/1980US4200841 Preset tuning apparatus using floating gate type field effect device
04/22/1980CA1076261A1 Method of and apparatus for converting a plural-bit digital signal to a pulse width modulated signal
04/22/1980CA1076212A1 Multiple-band digital frequency synthesizer receiver
04/16/1980EP0009618A1 Circuit and method for controlling a channel display in a superheterodyne receiver
04/16/1980EP0009617A1 Circuit for controlling a receiving frequency and a channel display in a superheterodyne receiver
04/15/1980US4198604 Heterodyne phase lock system
04/15/1980CA1075838A1 Channel selection apparatus
04/15/1980CA1075780A1 Cb coupler
04/08/1980US4197503 Circuit arrangement for generating tuning voltage
04/01/1980US4196395 Preset state indicating unit in an electronic tuning type receiver
04/01/1980CA1074930A1 Vhf, uhf and superband tuner with automatic switching
04/01/1980CA1074929A1 Channel selecting apparatus with reversible counter
03/1980
03/25/1980US4195314 Tuning circuit for high frequency receiving apparatus with residual sideband modulation, especially for television receivers
03/25/1980US4194403 Push-button operated device for storing a plurality of positions of a movable member
03/25/1980CA1074469A1 Uhf tuner with individual channel step selection
03/18/1980US4194159 Electronic tuning system
03/11/1980CA1073531A1 Tunable scanning radio receiver
03/04/1980US4191924 Channel selection apparatus
03/04/1980US4191058 Low profile pushbutton tuner with improved carriage moving mechanism
02/1980
02/26/1980US4189949 Pushbutton tuner
02/26/1980CA1072692A1 Digital tuning system for a varactor tuner employing feedback means for improved tuning accuracy
02/20/1980EP0007943A1 Television system scheduler
02/19/1980US4189678 Combination VHF-UHF tuner for use in a television receiver
02/19/1980CA1072230A1 Method of and apparatus for tuning an aft-controlled channel selecting apparatus to a desired frequency
02/19/1980CA1072229A1 Method of and apparatus for tuning an aft-controlled electronic tuner to a desired frequency
02/12/1980US4187729 Pushbutton tuner
02/06/1980EP0007914A1 Manually operated tuning means
02/05/1980US4187469 Limited channel television receiver with organized memory
02/05/1980US4187464 Scanning receiver
02/05/1980US4186612 Tuner driving mechanism permitting play in location of input member
01/1980
01/29/1980US4186360 Digital channel selecting apparatus
01/29/1980CA1070869A1 Mechanical channel selector device
01/22/1980US4185240 Channel selector system
01/22/1980US4184446 Remote control apparatus for presetting a tuning device to desired stations
01/22/1980US4184379 Tuning apparatus
01/22/1980CA1070443A1 Tuner pinion gear guide
01/15/1980US4184125 Analog tuning voltage circuit with analog signal multiplexing
01/15/1980US4184121 Wide window tuning system
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