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 |