| Patents for H03J 3 - Continuous tuning (1,764) |
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| 09/15/1998 | US5808531 Voltage-controlled variable tuning circuit |
| 09/09/1998 | EP0863623A2 Device and method for controlling frequency characteristic of a filter |
| 08/26/1998 | CN1191377A Varirable capacitor and LC composite part using same |
| 08/18/1998 | US5797086 Method for tuning channels in a voltage synthesizer tuning circuit |
| 07/29/1998 | EP0855804A2 Receiver with analog and digital channel selectivity |
| 07/22/1998 | EP0854567A1 Voltage controlled oscillator circuit capable of switching between oscillation frequency bands |
| 07/16/1998 | WO1998031096A1 Method for calibrating a radio receiver, and a radio receiver |
| 07/09/1998 | WO1998029958A1 Receiver with a tunable parallel resonant circuit |
| 07/02/1998 | DE19715005C1 Oscillator circuit for GHz range |
| 06/30/1998 | US5774555 Switched capacitor bandpass filter for detecting pilot signal |
| 05/26/1998 | US5757864 Receiver with filters offset correction |
| 05/26/1998 | US5757247 Device and method for tuning a band-pass filter utilizing mixing results with DC component removed |
| 05/14/1998 | DE19709226A1 Circuit arrangement for generating high frequency alternating voltages and currents with high power esp. for partial discharge measurement at gradient coils |
| 05/05/1998 | US5749048 Receiver |
| 04/23/1998 | WO1998017000A1 Tunable filter with q-multiplication |
| 04/01/1998 | EP0833447A2 Tuning circuit |
| 03/04/1998 | CN1175326A High-frequency device |
| 02/25/1998 | EP0825712A2 Electronically tuned matching networks using adjustable inductance elements and resonant tank circuits |
| 02/24/1998 | US5722050 Transmitter-receiver system for use in an audio equipment |
| 01/07/1998 | CN1036970C Double tuned circuit with balaced output and image trap |
| 12/17/1997 | EP0448729B1 Tune detecting circuit |
| 12/11/1997 | DE19709429A1 Transceiver signal improvement circuit for multiple channel radio communications system |
| 12/10/1997 | EP0812066A1 High-frequency device |
| 12/09/1997 | US5697090 SHF converter |
| 11/12/1997 | CN1164795A Input circuit for television tuner |
| 11/06/1997 | DE19715956A1 Eingangsschaltung für einen Fernsehtuner Input circuit for a television tuner |
| 10/15/1997 | EP0801358A2 Method and system for operating a system composed of a base station and a contactless coupled transponder |
| 10/14/1997 | US5678212 Electronic tuning circuit for an AM receiver |
| 10/14/1997 | US5678211 Television tuning apparatus |
| 10/08/1997 | EP0800185A1 Apparatus comprising at least one controllable inductance |
| 10/01/1997 | EP0587886B1 A method for tuning an rf bandpass filter |
| 10/01/1997 | EP0569392B1 Method and circuit for automatic, high-precision frequency fine-tuning |
| 09/30/1997 | US5673088 Multi-broadcast selection apparatus |
| 09/24/1997 | CN1160309A Tuning circuit structure of phase locked loop |
| 08/26/1997 | US5661432 Linear tunable Gm-C integrator |
| 08/19/1997 | US5659352 Method and apparatus capable of reducing the tuning time of cable television signals |
| 08/07/1997 | DE19703219A1 High frequency tuning circuit with input tuning transformer |
| 07/30/1997 | EP0786864A1 Tuner for the reception of digital signals |
| 07/22/1997 | US5650754 Phase-loched loop circuits and voltage controlled oscillator circuits |
| 07/03/1997 | WO1997023953A1 High-frequency device |
| 06/18/1997 | EP0779707A1 RF filter arrangement with image trap |
| 06/05/1997 | DE19650096A1 Satellite radio receiver tuner |
| 05/28/1997 | EP0776089A1 Radio receiver having automatic broadcasting-station selecting function |
| 05/28/1997 | CN1150723A Method for tuning in to channels in voltage synthesize tuning manner |
| 05/22/1997 | DE19647383A1 Voltage-controlled oscillator |
| 04/30/1997 | DE19540139A1 Detection and adjustment of middle frequency of band pass filter |
| 04/29/1997 | US5625316 Tuning circuit for an RC filter |
| 04/16/1997 | CN1147729A Procedure for resonant circuit tuning by changing feed voltage of capacitance diode |
| 04/08/1997 | US5619283 Double tuned RF circuit with balanced secondary |
| 04/02/1997 | EP0766391A1 Radio receiver |
| 04/02/1997 | CN1034426C Cucumber mosaic virus coat protein gene |
| 03/12/1997 | EP0762683A2 Receiver for reception of supplementary (RDS) data in a broadcast programme |
| 02/27/1997 | WO1997007618A1 Receiver with filter offset correction |
| 02/26/1997 | EP0759657A1 Method for the tuning of a resonant circuit by changing the voltage supply of a capacitance diode |
| 11/19/1996 | US5576753 Image forming apparatus which performs registration correction for plural image |
| 11/13/1996 | CN1135696A Tuning circuit for receiver, especially for television receiver |
| 11/12/1996 | US5574410 Impedance matching network |
| 11/05/1996 | US5572170 Electronically tuned matching networks using adjustable inductance elements and resonant tank circuits |
| 10/15/1996 | US5565821 Voltage controlled oscillator with improved tuning linearity |
| 10/02/1996 | CN1132447A Method and apparatus capable of reducing tuning time of cable television signals |
| 09/25/1996 | CN1131855A Multi-broadcast channel selection apparatus |
| 09/03/1996 | US5553319 Routing YIG-tuned mixer |
| 08/14/1996 | EP0726652A1 Linear tunable Gm-C integrator |
| 08/14/1996 | EP0726648A1 Tuning circuit for a receiver apparatus particularly a television receiver |
| 08/11/1996 | CA2169235A1 Linear tunable gm-c integrator |
| 07/31/1996 | CN1128092A Method and apparatus for identifying signaling channel |
| 07/02/1996 | US5532651 Tunable voltage controlled oscillator having microstrip resonator with cuts for better tuning |
| 06/04/1996 | US5524289 Method and circuit for an automatic, high precision frequency fine tuning |
| 06/04/1996 | US5524288 Tuning of a radio receiver |
| 05/28/1996 | USRE35254 Conversion device for doubling/dividing the rate of a serial bit stream |
| 04/23/1996 | US5511235 Apparatus for detecting a signaling channel during scanning including a controlled frequency converter circuit and a controlled filter bandwidth, and a method therefor |
| 04/23/1996 | US5511012 Apparatus comprising a circuit having an input/output response controllable by a control signal, and approximation method |
| 04/23/1996 | US5510756 Strip transmission line having a tunable electric length |
| 04/10/1996 | CN1120283A Double tuned RF circuit with balanced secondary |
| 04/10/1996 | CN1120267A A tuning circuit |
| 03/27/1996 | CN1119391A Bandswitchable double tuned RF circuit with balanced secondary |
| 03/20/1996 | EP0310632B1 Cross-flow filtration device and method of manufacturing said device |
| 03/19/1996 | CA2032668C Tuning arrangement |
| 03/12/1996 | US5499056 Bandswitchable double tuned RF circuit with balanced secondary |
| 02/28/1996 | CN1117667A Switched capacitor bandpass filter for detecting pilot signal |
| 02/15/1996 | DE19512858A1 Switched capacitor bandpass filter for pilot signal recognition |
| 02/14/1996 | EP0696871A1 Bandswitchable double tuned RF circuit with balanced secondary |
| 02/14/1996 | EP0696870A1 Double tuned RF circuit with balanced secondary |
| 01/09/1996 | US5483693 Combining antenna element signals |
| 12/13/1995 | EP0686318A1 High-frequency wideband tuner |
| 12/12/1995 | US5475871 Communication system with control signal based tuning |
| 11/28/1995 | CA2048148C Transmitter |
| 11/09/1995 | WO1995030283A1 Method and apparatus for identifying signaling channel |
| 11/07/1995 | US5465417 Integrated barium-ferrite tuned mixer for spectrum analysis to 60 GHz |
| 11/02/1995 | EP0679297A1 Device and method for tuning a band-pass filter |
| 10/25/1995 | EP0678981A2 High-frequency receiving stage |
| 09/21/1995 | DE19507951A1 Tuning circuitry with integrated channel selection HV feed circuit |
| 09/19/1995 | US5451915 Active filter resonator and system and negative resistance generator usable therein |
| 09/05/1995 | US5448769 Method for tuning the medium frequency of an RF bandpass filter by determining and interpolating in relation to medium frequencies at and offsets from a nominal carrier frequency |
| 08/31/1995 | WO1995019074A3 High-frequency wideband tuner |
| 07/18/1995 | CA1336341C Powering and communication apparatus and method |
| 07/13/1995 | WO1995019074A2 High-frequency wideband tuner |
| 06/27/1995 | US5428829 Method and apparatus for tuning and aligning an FM receiver |
| 06/21/1995 | EP0393103B1 Antenna structure for providing a uniform field |
| 06/07/1995 | EP0656683A1 Arrangement for the reduction of disturbances in oscillating loops in integrated circuits |