| Patents for H03J 3 - Continuous tuning (1,764) |
|---|
| 12/08/1983 | WO1983004354A1 Meter drive circuit |
| 11/22/1983 | US4417215 Tuned analog network |
| 09/06/1983 | US4403347 Antenna tuning circuit for AM radio receiver |
| 08/30/1983 | US4402089 Television tuning system with electronic frequency adjustment apparatus |
| 08/23/1983 | CA1152660A1 Electronic tuning antenna system |
| 08/16/1983 | US4399559 Voltage controlled tuner with voltage variable frequency selective arrangements controlled in response to a control voltage generated independently of the tuning voltage |
| 07/26/1983 | US4395714 Antenna array system usable for AM/FM receiver |
| 05/17/1983 | US4384365 Superheterodyne receiver frequency tracking circuit |
| 04/26/1983 | US4381566 Electronic tuning antenna system |
| 03/09/1983 | EP0073707A1 Receiver with a frequency display device |
| 03/01/1983 | US4375626 Precision linear tuning circuit |
| 01/18/1983 | US4369446 Antenna input circuit |
| 01/18/1983 | US4369417 Circuit for tunable radio-frequency circuits |
| 01/11/1983 | US4368541 Multiplexing arrangement for a plurality of voltage controlled filters |
| 12/07/1982 | CA1137236A1 Continuous tuning arrangement for a multiband television receiver |
| 11/30/1982 | US4361909 Pre-tuner tracking traps responsive to a tuning voltage |
| 11/24/1982 | EP0065013A1 Tuner |
| 11/16/1982 | US4359701 Construction of tuning circuit in tuner |
| 10/19/1982 | US4355422 Tunable radio receiver with detuning prevention due to power supply variations |
| 10/13/1982 | EP0062590A1 Radio receiver with indicator of the reception of a transmission |
| 09/29/1982 | EP0060844A1 Radio manual tuning circuit |
| 09/22/1982 | EP0060384A1 Circuit for coupling an aerial to the R.F. input circuit of a car radio |
| 09/08/1982 | EP0059268A1 Tuner for television receivers |
| 08/31/1982 | CA1130937A1 Electronic tuning circuit having image trapping element |
| 08/24/1982 | CA1130484A1 Impedance matched tuning device having image trapping circuit |
| 08/24/1982 | CA1130483A1 Compact electronic tuning device |
| 07/27/1982 | CA1128670A1 Semiconductor device having a mos-capacitor |
| 07/13/1982 | US4339827 Automatic tuning circuit arrangement with switched impedances |
| 06/29/1982 | CA1126833A1 Digital loop synchronization circuit |
| 06/22/1982 | US4336534 Control generator for use in broadcast receiver including improved signal level indicator |
| 06/08/1982 | US4334323 Self tracking tuner |
| 05/27/1982 | WO1982001796A1 Tuner |
| 05/18/1982 | CA1123918A1 Frequency counting apparatus |
| 04/15/1982 | WO1982001291A1 Radio manual tuning circuit |
| 04/13/1982 | CA1121866A1 Electrically tunable inductor and method |
| 03/16/1982 | US4320529 Frequency counting apparatus |
| 03/09/1982 | US4319209 Fine tuning coil having steel wire forming coil portion |
| 01/20/1982 | EP0044237A1 Device for controlling the operating point of an electronic circuit with many variable elements, especially for a television receiver |
| 01/08/1982 | EP0033337A4 Digital loop synchronization circuit. |
| 12/15/1981 | US4306310 Superheterodyne receiver frequency tracking circuit |
| 12/15/1981 | US4306304 Digital loop synchronization circuit |
| 12/15/1981 | US4306205 High frequency apparatus |
| 12/08/1981 | CA1114022A1 Radio receiver alignment indicator |
| 11/17/1981 | CA1112724A1 Apparatus for receiving signals in plural frequency bands |
| 10/27/1981 | US4297654 Crystal oscillator including a MOS-capacitor |
| 08/12/1981 | EP0033337A1 Digital loop synchronization circuit. |
| 07/09/1981 | WO1981001916A1 Input coupling device for a receiver |
| 06/09/1981 | US4272743 Method for tuning a filter circuit |
| 05/19/1981 | US4268915 Universal automotive electronic radio with display for tuning or time information |
| 05/12/1981 | US4267599 Antenna tuning system |
| 05/12/1981 | CA1101141A1 Planar printed circuit board arrangement useful in the uhf portion of a television tuner |
| 05/05/1981 | US4266295 Continuous tuning control particularly adapted for use in variable frequency receivers and generators |
| 04/21/1981 | US4263619 Double trapping of adjacent channel sound |
| 03/31/1981 | US4259745 Tuning indicator circuit |
| 03/03/1981 | US4254505 Normalization method and apparatus used when quantitatively measuring the reception quality of a received frequency-modulated ultrashort-wave signal |
| 03/03/1981 | US4254390 Compact electronic tuning device |
| 02/19/1981 | WO1981000498A1 Digital loop synchronization circuit |
| 02/03/1981 | US4249255 Continuous tuning arrangement for a multiband television receiver |
| 01/27/1981 | US4247953 Tunable high-frequency input circuit |
| 01/27/1981 | US4247950 Display for frequency received by radio receiver |
| 01/27/1981 | US4247949 Signal strength detecting circuit |
| 01/13/1981 | US4245186 Tuning voltage interface circuit for electronic tuners |
| 01/07/1981 | EP0021762A1 Electronic tuning antenna system |
| 12/30/1980 | CA1092668A1 High frequency wide band resonant circuit |
| 11/18/1980 | US4234961 Receiver comprising a tuning member and an automatic tuning correction suppression circuit |
| 11/11/1980 | US4233505 Light receiving circuit having fast response time and a stable output waveform |
| 11/04/1980 | US4232398 Radio receiver alignment indicator |
| 10/21/1980 | US4229698 Tuning indicator |
| 09/30/1980 | US4225823 Front end circuits of FM receivers |
| 09/23/1980 | US4224691 Tuning indicator system for FM radio receiver |
| 08/26/1980 | US4219778 Signal processing circuit for an FM signal receiver |
| 08/05/1980 | US4216451 Variable capacitance device having a plurality of capacitance elements and a plurality of switching elements therefor formed on a single common substrate |
| 07/29/1980 | US4215312 Radio receiver |
| 07/22/1980 | US4214252 Semiconductor device having a MOS-capacitor |
| 07/22/1980 | US4214218 Impedance matched tuning device having image trapping circuit |
| 07/22/1980 | US4214217 Electronic tuning circuit having image trapping element |
| 07/15/1980 | US4213106 Tuning apparatus and method of producing the same |
| 06/10/1980 | US4207530 Electrically tunable inductor and method |
| 05/20/1980 | US4204166 Very high frequency tuner |
| 05/14/1980 | EP0010552A1 Method and circuit for measuring the reception quality of a frequency modulated very high frequency signal |
| 05/06/1980 | US4201944 Receiver having a measurement instrument which is used as a tuning scale |
| 05/06/1980 | US4201943 Tuning circuit for a high frequency heterodyne receiver with tuning controlled by direct voltage |
| 04/30/1980 | EP0010109A1 Method and arrangement for indicating the reception quality of a frequency modulated very high frequency signal |
| 04/22/1980 | CA1076261A1 Method of and apparatus for converting a plural-bit digital signal to a pulse width modulated signal |
| 04/08/1980 | US4197503 Circuit arrangement for generating tuning voltage |
| 03/25/1980 | US4195274 Temperature compensating circuit for varactor diodes |
| 03/18/1980 | US4194156 FM tuner |
| 03/04/1980 | CA1073128A1 Uhf tuning circuit utilizing a varactor diode |
| 03/04/1980 | CA1073064A1 Trimming condenser for crystal driven oscillators with coarse and fine tuning |
| 01/29/1980 | US4186350 Antenna tuning circuit |
| 01/01/1980 | US4181890 Apparatus for receiving signals in plural frequency bands |
| 12/25/1979 | US4180777 Tuning meter for use with a pulse count FM demodulation circuit |
| 11/27/1979 | CA1067155A1 Input level display circuit for receivers |
| 11/20/1979 | CA1066814A1 Semiconductor varactor device and electronic tuner using the same |
| 11/20/1979 | CA1066781A1 Universal automotive electronic radio |
| 10/02/1979 | CA1063678A1 Tuning system for am/fm receivers |
| 09/11/1979 | CA1062384A1 Voltage supply circuit for voltage-dependent capacitor diode tuning |
| 08/28/1979 | CA1061487A1 Electronic channel selector with voltage memory circuit |
| 08/22/1979 | EP0003634A1 Method of aligning a radio receiver and means for indicating the alignment of a radio receiver |
| 08/21/1979 | US4165500 Tuning indicating device having a two-dimensional display of two values |