Patents for H03J 3 - Continuous tuning (1,764) |
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08/21/1979 | CA1060956A1 Yig tuned mixer |
07/17/1979 | CA1058747A1 Input circuit of vhf television set tuner |
07/10/1979 | US4160964 High frequency wide band resonant circuit |
07/03/1979 | CA1057828A1 Temperature compensated surface acoustic wave oscillator |
05/29/1979 | US4156849 Display device in electrical equipment |
05/29/1979 | CA1055625A1 Indicating device for tuning apparatus |
05/29/1979 | CA1055624A1 Resonant circuit using variable capacitance diode |
05/22/1979 | CA1055173A1 Radio frequency tuner |
05/08/1979 | US4153887 Electrically tunable bandpass filter |
05/08/1979 | US4153849 Circuit for normalizing devices having current-controlled frequency response to predetermined I-F characteristic |
04/17/1979 | CA1052920A1 Voltage generating system |
03/27/1979 | CA1051567A1 Tuning system for am/fm receivers |
03/20/1979 | US4145659 UHF electronic tuner |
03/13/1979 | CA1050656A1 Compensation of oscillators and amplifiers with tuned circuits for variations in frequency response, caused by changes in internal capacitance due to agc or temperature variations |
01/30/1979 | US4137502 Radio-receiver or tuner provided with solid state memorizing means for a multiplicity of reception frequencies |
01/23/1979 | CA1047181A1 Indicating circuit for an fm stereophonic signal receiver |
01/16/1979 | US4135158 Universal automotive electronic radio |
12/05/1978 | US4128810 Signal level indicator driving circuit |
11/07/1978 | CA1042120A2 Electronic tuner with delinearized tuning voltage |
10/31/1978 | US4123724 Communication equipment |
10/17/1978 | CA1040766A1 Tuner with digitally coded indicia |
09/05/1978 | US4112371 Muting and tuning indicator system for an FM receiver |
08/22/1978 | US4109206 Signal strength meter drive circuit |
08/15/1978 | US4107624 Automatic frequency-tracking circuit |
07/25/1978 | US4103240 Fm tuning indicator |
06/27/1978 | US4097829 Thermoelectric compensation for voltage control devices |
03/28/1978 | US4081840 Dual function acoustic switch |
01/24/1978 | US4070628 Radio receiver with selective plural band reception |
11/22/1977 | US4059802 Input level display circuit for receivers |
11/22/1977 | US4059791 Voltage supply circuit for voltage-dependent capacitor diode tuning |
11/15/1977 | US4058772 Method of and apparatus for converting a plural-bit digital signal to a pulse width modulated signal |
10/25/1977 | US4055822 Tuning circuit arrangement |
10/18/1977 | US4054853 UHF television tuner with electrical fine tuning |
09/13/1977 | US4048598 Uhf tuning circuit utilizing a varactor diode |
09/13/1977 | US4048597 Planar printed circuit board arrangement useful in the uhf portion of a television tuner |
09/06/1977 | US4047112 Channel selector employing variable capacitance elements for tuning |
09/06/1977 | US4047111 Tuning system for AM/FM receivers |
08/09/1977 | US4041399 Semiconductor varactor device and electronic tuner using same |
08/09/1977 | US4040719 Frequency indicator for receiving devices |
08/02/1977 | US4039982 Coaxial cavity radio frequency tuning circuit having a toroidal-shaped electrode to effect tuning |
08/02/1977 | US4039981 Variable impedance circuit |
06/21/1977 | US4031475 Electronic channel selecting apparatus |
05/24/1977 | US4025882 UHF tuner having frequency setting fine toned by varying characteristic impedance of resonant line |
05/17/1977 | US4024477 Received signal frequency indicating system |
05/10/1977 | US4023106 Input circuit of VHF television set tuner |
04/26/1977 | US4020420 Electronic channel selector |
03/29/1977 | US4015192 Voltage generating system |
03/08/1977 | US4011526 Temperature compensated surface acoustic wave oscillator |
01/11/1977 | US4003009 Resonant circuit using variable capacitance diode |
12/07/1976 | US3996540 Indicating device for tuning apparatus |
10/19/1976 | US3987401 Indicating system using multicolor light emitting diodes |
09/14/1976 | US3980957 Circuit arrangement for tuning and range or band switching of an RF resonant circuit |
08/03/1976 | US3973204 YIG tuned mixer |
07/20/1976 | US3970974 Trimmer for a tuned UHF line |
07/06/1976 | US3968447 Method of amplitude-frequency conversion and a converter which operates in accordance with said method |
06/08/1976 | US3962641 Tuning apparatus |
05/25/1976 | US3959729 Electro-optic tuning indicator |
05/11/1976 | US3956594 Indicating circuit for an FM stereophonic signal receiver |
04/27/1976 | US3953800 Tuning indicator for a radio frequency receiver |
04/27/1976 | US3953771 Multiple trimmer capacitor, particularly for adjustment of crystal oscillators |
04/13/1976 | US3950702 Circuits for detecting trigger signals for use in synthesizing type receivers |
04/06/1976 | US3949308 Varactor control unit using Q variable inductances |
01/20/1976 | US3934191 Circuit arrangement for generating a stabilized direct voltage with superposition of a control voltage |
01/13/1976 | US3932814 Heterodyne receiver system |