| Patents for H03J 3 - Continuous tuning (1,764) |
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| 06/06/1995 | US5423070 Logic controlled tuning signal level and deviation compensation in a radio telephone |
| 05/24/1995 | CN1028586C Method and circuit automatic, high precision frequency fine tuning |
| 04/25/1995 | US5410747 Dual conversion transmitter |
| 04/19/1995 | EP0649180A1 Stripline with adjustable electrical length |
| 04/18/1995 | US5408196 Signal receiving device |
| 02/21/1995 | US5392018 Electronically tuned matching networks using adjustable inductance elements and resonant tank circuits |
| 02/21/1995 | US5392011 Tunable filter having capacitively coupled tuning elements |
| 12/27/1994 | US5376907 High-frequency tunable filter |
| 12/14/1994 | EP0629045A1 Tuning device for a receiver of radioelectric signals with coils obtained by printing |
| 12/01/1994 | DE4409461A1 Device and method for transmitting an electric signal from a rotating signal transmitter to a stationary signal receiver |
| 11/17/1994 | EP0624949A1 Apparatus comprising a circuit with a transfer function which is controllable by a command signal and approximating method |
| 11/02/1994 | EP0622963A2 Apparatus for adaptively tuning to a received periodic signal |
| 10/18/1994 | US5357222 Voltage controlled component including a capacitive diode biased to operate in the linear region |
| 10/05/1994 | EP0618676A1 Tunable device |
| 09/28/1994 | EP0617437A1 Tuning method for an oscillating circuit in SMD technique |
| 09/13/1994 | US5347222 Signal/noise ratio optimization tuning system |
| 08/30/1994 | US5343414 Apparatus for adaptively tuning to a received periodic signal |
| 08/17/1994 | EP0610495A1 Television tuning apparatus |
| 08/16/1994 | US5339251 Apparatus for adaptively tuning to a received periodic signal |
| 08/03/1994 | EP0608966A2 Adjustable reactance device and method |
| 07/21/1994 | WO1994016496A1 Device and method for tuning a band-pass filter |
| 06/15/1994 | EP0601743A1 Tuning of a radio receiver |
| 06/15/1994 | EP0391972B1 Cucumber mosaic virus coat protein gene |
| 06/14/1994 | US5321852 Circuit and method for converting a radio frequency signal into a baseband signal |
| 06/09/1994 | DE4241241A1 Frequency-modulated voltage controlled oscillator - has control voltage input connected to second capacitance diode and also to first capacitor diode via inductance |
| 05/18/1994 | EP0597497A1 Electronically tuned matching networks using adjustable inductance elements and resonant tank circuits |
| 05/17/1994 | US5313656 Logic controlled tuning signal level and deviation compensation in a radio telephone |
| 04/13/1994 | CN1085365A A communications system |
| 04/12/1994 | US5303410 Signal strength meter circuit for radio receiver |
| 03/23/1994 | EP0587886A1 A method for tuning an rf bandpass filter. |
| 03/23/1994 | CN1084340A Double tuned circuit with balanced output and image trap |
| 03/17/1994 | WO1994006208A1 Television tuning apparatus |
| 03/09/1994 | EP0585693A2 A communications system |
| 03/03/1994 | DE4309715C1 Tuning built-in oscillation loops in SMD technology or HF filter - using air-cored coil whose inductivity is adjusted by altering winding spacing to achieve desired frequency. |
| 03/02/1994 | EP0584732A1 Double tuned circuit with balanced output and image trap |
| 02/08/1994 | US5285179 Double tuned circuit with balanced output and image trap |
| 01/18/1994 | US5280641 Signal-strength-peak detecting circuit for automatic tuning circuit |
| 01/18/1994 | US5280639 Double super-heterodyne tuner |
| 01/18/1994 | US5280638 RF filter self-alignment for multiband radio receiver |
| 01/04/1994 | US5276409 Autotuning combiner stabilized against frequency drift |
| 12/01/1993 | CN1022964C Dielectric cavity varactor turning device |
| 11/18/1993 | EP0569392A1 Method and circuit for automatic, high-precision frequency fine-tuning. |
| 10/27/1993 | EP0567204A1 Method and circuit for monitoring digital periodical signals |
| 10/14/1993 | WO1993020616A1 A method for tuning an rf bandpass filter |
| 09/23/1993 | DE4307014A1 Car radio with FM and AM bands - uses two relatively short antenna elements with summation of their output signals in AM circuit |
| 09/22/1993 | EP0561676A1 High frequency tunable filter |
| 09/22/1993 | CN1022211C Tuning arrangement |
| 09/18/1993 | CA2092667A1 High-frequency tunable filter |
| 08/24/1993 | US5239702 Tuning detector |
| 07/20/1993 | US5230091 Method and apparatus for tuning and compensating power levels in a radio telephone |
| 07/07/1993 | EP0550128A2 Voltage controlled component |
| 05/26/1993 | EP0543790A1 Stabilized telephony combiner |
| 05/26/1993 | EP0543490A1 Apparatus for adaptively tuning to a received periodic signal |
| 05/20/1993 | CA2076895A1 Stabilized telephony combiner |
| 05/12/1993 | EP0540908A1 Method and apparatus for automatic tuning calibration of electronically tuned filters |
| 05/11/1993 | US5210510 Tunable helical resonator |
| 04/28/1993 | EP0341239B1 Antenna tuning apparatus for personal communications devices |
| 04/20/1993 | US5204972 Arrangement for compensating for temperature dependent performance characteristics of surface acoustic wave filter |
| 04/07/1993 | EP0535363A2 Receiver for amplitude, frequency and/or FSK modulated signals on different carrier frequencies |
| 03/31/1993 | EP0533981A1 High frequency receiver |
| 01/26/1993 | US5182478 Variable band-pass filter circuit |
| 12/23/1992 | EP0519145A1 Electrically tuned RF receiver, apparatus and method therefor |
| 11/04/1992 | CN1018973B Unitary capacitance trimmer |
| 10/27/1992 | US5159708 Multipath detector for an fm tuner |
| 09/02/1992 | EP0501620A1 Wideband oscillator with bias compensation |
| 09/02/1992 | EP0501536A2 Method and circuit for automatic fine frequency tuning with high precision |
| 08/26/1992 | EP0295299B1 Electronically tuneable fiber-optic receiver for narrow band microwave signal reception |
| 08/19/1992 | CN1063786A Method and circuit automatic, high precision frequency fine tuning |
| 08/19/1992 | CN1063785A Dielectric cavity varactor turning device |
| 08/18/1992 | US5140703 Modulation distortion analyzer |
| 08/06/1992 | WO1992013389A1 Method and circuit for automatic, high-precision frequency fine-tuning |
| 07/22/1992 | CN1017582B Tuner |
| 06/16/1992 | US5122878 Television tuner and circuitry for switching between two frequency ranges |
| 05/05/1992 | US5111488 Doubling/dividing device for a series bit flow |
| 04/30/1992 | DE4133796A1 Miniature inductive component with capacity tuner - has axial bore in support with longitudinal groove over part of its length |
| 04/22/1992 | EP0481607A1 Amplitude correction of field coupled varactor tuned filters |
| 04/21/1992 | US5107233 Amplitude correction of field coupled varactor tuned filters |
| 04/14/1992 | US5105162 Electrically tuned RF receiver, apparatus and method therefor |
| 04/08/1992 | EP0479201A2 Variable band-pass filter circuit |
| 04/01/1992 | EP0477463A1 Multipath detector for an FM tuner |
| 03/31/1992 | CA1298421C Unitary tuning structure |
| 03/18/1992 | EP0293454B1 Fast tuning rf network inductor |
| 03/17/1992 | US5097228 Wideband oscillator with bias compensation |
| 03/04/1992 | EP0473120A2 Double super-heterodyne tuner |
| 02/05/1992 | EP0469898A2 Transmitter with dual conversion |
| 02/05/1992 | EP0469663A1 Tuned radio receiving circuit |
| 02/05/1992 | EP0469301A2 Signal-strength-peak detecting circuit for automatic tuning circuit |
| 01/15/1992 | EP0393103A4 Antenna structure for providing a uniform field |
| 01/09/1992 | DE4038759C1 Variable current supply for tuning coil of YIG filter - is regulated in dependence on measured induction voltage so that latter follows differential of control signal |
| 12/31/1991 | CA1293829C Unitary tuning structure |
| 12/24/1991 | US5075654 Resonator tuning arrangement |
| 12/17/1991 | US5073869 Suppression of spurious frequency components in direct digital frequency synthesizer |
| 12/03/1991 | US5070313 Tuning arrangement for combiner filter having dielectric waveguide resonator and coacting tuning capacitance |
| 11/13/1991 | EP0455974A2 Control circuit for a superheterodyne receiver |
| 10/22/1991 | US5060297 TVRO receiver system with tracking filter for rejection of image frequencies |
| 10/17/1991 | DE4011839A1 Receiver control for adjusting tuned circuits in HF filter - uses individual computer controlled tuning circuits to produce required adjustment voltage for channel selection |
| 10/02/1991 | EP0448729A1 Tune detecting circuit |
| 09/24/1991 | US5051703 FM demodulator with tracking filter |
| 09/19/1991 | DE4008186A1 HF signals receiving circuitry for e.g. cable TV - uses variable capacitance diodes for tuning to VHF and UHF bands and conversion to IF |
| 09/10/1991 | CA1288862C Apparatus for tuning the antenna of a miniature personal communications device |