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)
01/1984
01/03/1984CA1159973A1 Pushbutton tuner
12/1983
12/20/1983US4422096 Television frequency synthesizer for nonstandard frequency carriers
12/06/1983US4419769 Digital tuning system for a varactor tuner employing feedback means for improved tuning accuracy
12/06/1983US4419768 Wideband tuner for VHF, CATV and UHF television signals
12/06/1983US4419639 Key assembly
12/06/1983CA1158373A1 Station selecting apparatus
12/06/1983CA1158372A1 Channel identification apparatus useful in a multiband sweep type turning system
11/1983
11/29/1983US4418428 Tuning system for a multi-band television receiver
11/29/1983US4418427 Tuning system for a multi-band television receiver
11/22/1983US4416164 Push-button type tuning apparatus
11/08/1983US4414687 Radio receiver
11/02/1983EP0092657A2 Circuit arrangement for tuning high-frequency receivers using a phase-locked loop (PLL) circuit
11/01/1983CA1156385A1 Channel identification apparatus useful in a sweep type tuning system
10/1983
10/26/1983EP0092055A1 Mobile broadcast receiver, such as a car radio or the like
10/25/1983US4411498 Zoom lens barrel
10/25/1983CA1155979A1 Frequency agile satellite receiver
10/25/1983CA1155926A1 Radio with audio graphic equalizer
10/13/1983WO1983003502A1 Up/down counter control circuit
10/12/1983EP0091169A2 Double-tuned resonant bandpass filter for channel selectors
10/11/1983US4409688 Processor controlled, scanning radio receiver including future code developing means
10/11/1983CA1155242A1 Digital frequency lock tuning system
10/04/1983US4408349 Receiver provided with a frequency synthesizer capable of storing fine tuning information
10/04/1983US4408348 Multiband tuning system for a television receiver
10/04/1983US4408347 High-frequency channel selector having fixed bandpass filters in the RF section
10/04/1983US4408346 Key assembly
09/1983
09/20/1983CA1154098A1 Search type tuning system with direct address channel selection apparatus
09/13/1983US4404686 Four band VHF varactor tuner to cover extended CATV band utilizing two switching diodes per resonant circuit
09/07/1983EP0087627A1 Potentiometer tuning unit arrangement
09/06/1983US4403346 AGC System for wide band tuner
09/06/1983US4403342 Zone switching system for a frequency synthesized transceiver
08/1983
08/30/1983US4402089 Television tuning system with electronic frequency adjustment apparatus
08/09/1983US4398303 Signal-seeking tuning system with automatic bandswitching for a television receiver
08/02/1983US4397037 Diplexer for television tuning systems
08/02/1983CA1151328A1 Aft arrangement for a phase locked loop tuning system
07/1983
07/26/1983USRE31327 Proportional digital control for radio frequency synthesizers
07/26/1983US4395777 Double superheterodyne receiver
07/26/1983CA1150773A1 Receiver having a search tuning circuit
07/19/1983US4394778 Tuning control apparatus of receiver
07/19/1983US4394776 Priority channel system for a synthesized transceiver
07/19/1983US4394627 Audiometer with photo sensitive, digitally tunable low distortion oscillator
07/05/1983US4392253 Phase locked loop circuit
06/1983
06/28/1983CA1149024A1 Receiver having a frequency synthesising circuit
06/07/1983US4387401 Carrier detector apparatus useful in a multiband sweep type tuning system
06/07/1983US4387400 Tuning system for a television receiver
05/1983
05/17/1983US4384365 Superheterodyne receiver frequency tracking circuit
05/17/1983CA1146633A1 Tuning and volume indicator
04/1983
04/26/1983CA1145490A1 Receiver with a channel swapping apparatus
04/12/1983CA1144669A1 Presettable tuning apparatus
04/06/1983EP0076009A1 Tuning circuit incorporating a frequency synthesizer circuit
04/06/1983EP0075591A1 Frequency synthesized transceiver
04/05/1983US4379271 Input selection arrangement for applying different local oscillator signals to a prescaler of a phase-lock loop tuning system
03/1983
03/30/1983EP0075376A1 Method of management of the frequency control of a transmitter receiver and of the programmation of the programmable counter of his digital frequency synthesizer
03/22/1983US4377871 Transmit security system for a synthesized transceiver
03/15/1983US4377004 Setting circuit
03/09/1983EP0073420A2 Reception stage for radio and television receivers
03/08/1983CA1142661A1 Manual channel selecting device
03/08/1983CA1142660A1 Electronic tuning radio receiver
02/1983
02/23/1983EP0072698A2 Diplexer useful especially for television tuning systems
02/08/1983US4373208 Circuit arrangement for tuning into one of a number of radioelectric signals
02/08/1983US4372580 Automatic seatbelt system
01/1983
01/25/1983US4370629 Voltage controlled oscillator with reduced number of tuning potentiometers
01/19/1983EP0069979A2 Matching circuit for antennas
01/18/1983US4369417 Circuit for tunable radio-frequency circuits
01/18/1983US4369342 Mechanism for preventing the simultaneous locking for use in a push button device
01/11/1983US4368541 Multiplexing arrangement for a plurality of voltage controlled filters
01/11/1983US4368540 Phase locked loop tuning system including a prescaler conditioned to oscillate at an out-of-band frequency
01/11/1983US4368441 Key assembly
01/05/1983EP0068422A2 Equipment for the reproduction of alphanumerical data
01/04/1983US4367559 Arrangement for both channel swapping and favorite channel features
12/1982
12/21/1982US4365349 Radio receiver having phase locked loop and automatic frequency control loop for stably maintaining local oscillator frequency of voltage-controlled local oscillator
12/21/1982US4365348 Tuning voltage generating apparatus of voltage synthesizer type
12/14/1982US4364026 Digital-to-analog converter useful in a television receiver
12/07/1982US4363136 Station selecting apparatus
12/07/1982US4363135 Four band VHF varactor tuner
12/07/1982US4363134 Channel selection apparatus
12/07/1982CA1137236A1 Continuous tuning arrangement for a multiband television receiver
12/07/1982CA1137235A1 Continuous tuning arrangement for a multiband television receiver
12/07/1982CA1137234A1 Memory control circuit for a receiver
11/1982
11/30/1982US4361906 Channel selector having a plurality of tuning systems
11/24/1982EP0065013A1 Tuner
11/23/1982CA1136266A1 Television signal discrimination system in a television receiver
11/09/1982CA1135426A1 Channel selecting apparatus employing frequency synthesizer
11/09/1982CA1135310A1 Mechanism for preventing the simultaneous locking of adjacent push buttons in a push button switch device
11/09/1982CA1135309A1 Mechanism for preventing simultaneous locking of more than one push button in a device having a plurality of push button switches
11/02/1982US4357710 Radio apparatus
11/02/1982US4357527 Programmable divider
11/02/1982CA1134968A1 Limited position, non-volatile memory tuning system
10/1982
10/26/1982CA1134520A1 Tuning apparatus
10/19/1982US4355416 Circuit arrangement for the selection of a frequency of signals receivable in a receiving set
10/19/1982US4355415 Tuning mode arrangement useful for restricting channel selection to certain channels
10/19/1982US4355414 Automatic gain control system
10/19/1982US4355412 Preset station selecting device in a radio receiver
10/19/1982CA1134081A1 Frequency synthesizer
10/14/1982WO1982003477A1 Frequency synthesized transceiver
10/06/1982EP0061622A1 Push-button unit
09/1982
09/28/1982US4352206 Comparison arrangement for a digital tuning system
09/28/1982US4352205 Tuning system
09/28/1982US4352204 Entry apparatus of digital value in memory
09/28/1982US4352203 Station selecting device
09/28/1982US4351195 Pushbutton tuner
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