Patents for H03J 3 - Continuous tuning (1,764) |
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01/25/2001 | WO2001006637A1 Adjustable filter |
01/25/2001 | CA2379868A1 Adjustable filter |
01/23/2001 | US6178315 FM radio receiver |
01/09/2001 | US6172569 Transconductance filter control system |
01/04/2001 | WO2000062419A3 Mos variable gain amplifier |
01/03/2001 | EP1064719A1 Demodulator circuits |
12/20/2000 | EP1061736A1 Intermediate frequency tuning circuit |
12/19/2000 | US6163238 Fast variable RF network inductor |
12/13/2000 | EP1059732A2 Tuneable antenna preamplifier |
12/07/2000 | WO2000074233A1 System and method for linearizing a cmos differential pair |
11/30/2000 | WO2000072446A1 Integrated vco |
11/29/2000 | EP1056204A1 Tunable RF filter with image trap |
11/23/2000 | WO2000042659A3 System and method for esd protection |
11/23/2000 | DE19921805A1 FM and FSK demodulator with automatic frequency control AFC for receiving frequency modulated and frequency shift keying signals |
11/22/2000 | EP1053595A1 Apparatus and methods for tuning bandpass filters |
11/15/2000 | EP1052772A1 Circuit and method for producing a filtered signal |
11/10/2000 | CA2308857A1 System and process for producing a filtered signal of a given frequency and radio-relay transmitter with a frequency established by an adjustable frequency oscillator |
11/09/2000 | DE19918057A1 Vorrichtung und Verfahren zur Einstellung der Abstimmspannung von Abstimmschwingkreisen Apparatus and method for adjusting the tuning of Abstimmschwingkreisen |
10/25/2000 | EP1047191A1 Method and arrangement for tuning a resonator |
10/24/2000 | CA2052385C Variable band-pass filter circuit |
10/19/2000 | WO2000062419A2 Mos variable gain amplifier |
10/17/2000 | US6134282 Method for lowpass filter calibration in a satellite receiver |
10/11/2000 | EP1043837A1 Frequency offset correction in a packet transmission system |
10/04/2000 | CN1057176C Switched capacitor bandpass filter for detecting pilot signal |
09/27/2000 | CN1268001A Television tuning assembly |
09/20/2000 | EP1037386A2 Television tuner with suppressed attenuation of level of video intermediate frequency with respect to rise in ambient temperature |
09/19/2000 | US6122496 Device and method for controlling frequency characteristic of a filter |
09/19/2000 | US6122493 Radio receiver having automatic broadcasting-station selecting function |
09/19/2000 | US6121850 Digitally adjustable inductive element adaptable to frequency tune an LC oscillator |
09/14/2000 | WO2000054405A1 Resonator with variable resonance frequency |
09/07/2000 | DE19908855A1 Rundfunkempfangsvorrichtung und Verfahren zum Steuern einer Rundfunkempfangsvorrichtung Radio receiving apparatus and method for controlling a broadcast receiving apparatus |
09/06/2000 | EP1033813A2 Radio receiver system and method for controlling a radio receiver system |
08/29/2000 | US6112070 High frequency receiving circuit for mobile communication apparatus |
08/03/2000 | WO2000045512A1 Tuning arrangement |
08/03/2000 | WO2000045399A1 Multi-track integrated spiral inductor |
07/20/2000 | WO2000042659A2 System and method for esd protection |
07/06/2000 | DE19959172A1 Empfängervorrichtung mit Demodulator-Abgleich sowie Verfahren dazu Receiver device with demodulator matching and method therefor |
07/05/2000 | EP1016209A1 Communications apparatus |
06/27/2000 | CA2164522C Method and apparatus for identifying signaling channel |
06/06/2000 | US6072992 High-frequency device |
05/24/2000 | CN1254220A Two-waveband tuning unit |
05/18/2000 | WO2000028664A2 Fully integrated tuner architecture |
05/02/2000 | US6057735 Amplifier for continuous high gain, narrowband signal amplification |
04/27/2000 | DE19845122A1 Resonance circuit alignment method |
04/19/2000 | EP0610495B1 Television tuning apparatus |
04/18/2000 | US6052571 Tuner for PSK or PAM data applications |
02/08/2000 | US6023406 LC composite component with variable capacitor and inductor |
02/01/2000 | US6021322 AM radio receiver |
02/01/2000 | US6020795 Electrically controllable impedance matching device for use in RF amplifier |
01/26/2000 | EP0975093A1 Integrated circuit with variable capacitor |
01/25/2000 | US6018702 Tuned filter calibration system |
01/20/2000 | WO2000003538A1 Television tuner employing micro-electro-mechanically-switched tuning matrix |
01/13/2000 | DE19830616A1 System for adjusting natural resonance of coil |
01/11/2000 | US6013958 Integrated circuit with variable capacitor |
01/04/2000 | US6011965 Receiver with a tunable parallel resonant circuit |
01/04/2000 | US6011770 Method and apparatus for high-order bandpass filter with linearly adjustable bandwidth |
12/30/1999 | DE19908475A1 Calibration system for YIG (yttrium-iron-garnet)-tuned filter (YTF) in spectrum analyzer |
12/28/1999 | US6009318 Electronically adjustable balanced-to-unbalanced converters (balun) |
11/30/1999 | US5994985 Integrable high-Q tunable capacitor and method |
11/23/1999 | US5990752 Method for mechanically tuning a voltage controlled oscillator |
11/18/1999 | WO1999059239A1 Method for mechanically tuning a voltage controlled oscillator |
11/16/1999 | US5987313 Apparatus for controlling tuning point and tuning circuit having function of controlling tuning point |
11/02/1999 | US5978663 Antenna tuning circuit |
10/26/1999 | US5973519 Voltage controlled oscillator circuit capable of switching between oscillation frequency bands |
10/21/1999 | DE19816490A1 Pre-selection filter layout for high frequency receivers |
10/20/1999 | EP0950284A1 Method for calibrating a radio receiver, and a radio receiver |
10/14/1999 | DE19904487A1 Measuring axis symmetrical electric or magnetic fields produced by electric or magnetic field generator |
10/13/1999 | CN1231564A Tuning assembly for television |
10/05/1999 | US5963842 Satellite broadcasting receiving tuner |
09/30/1999 | WO1999049568A1 Demodulator circuits |
09/28/1999 | US5959516 Tunable-trimmable micro electro mechanical system (MEMS) capacitor |
09/28/1999 | US5959515 High Q integrated resonator structure |
08/17/1999 | US5940114 Image forming apparatus for correcting positional deviations of an image |
08/12/1999 | WO1999040679A1 Apparatus and methods for tuning bandpass filters |
07/20/1999 | US5926513 Receiver with analog and digital channel selectivity |
06/17/1999 | WO1999030416A1 An amplifier for continuous high gain, narrowband signal amplification |
06/16/1999 | CN1043708C Method and apparatus for identifying signaling channel |
06/09/1999 | EP0920735A1 Receiver with a tunable parallel resonant circuit |
06/09/1999 | CA2224261A1 Low phase noise, high q, high gain amplifier in an integrated circuit |
05/18/1999 | US5905948 High frequency channel selecting circuit for radio receiver and method of manufacturing tuning circuits therefor |
04/28/1999 | EP0911960A1 Resonance circuit for balanced oscillator |
04/07/1999 | EP0679297B1 Device and method for tuning a band-pass filter |
03/31/1999 | CN1212794A Receiver with tunable parallel resonant circuit |
03/24/1999 | EP0903852A1 Aligning method for a multistage selective amplifier |
03/24/1999 | CN1211858A Large dynamic range low-noise factor harmonic tuner |
03/04/1999 | WO1999010976A1 Communications apparatus |
03/04/1999 | CA2301748A1 Communications apparatus |
01/26/1999 | US5864267 Electronic-tuning type radio-frequency tuning circuit |
01/12/1999 | US5859674 Tuning circuit for a receiver, particularly a television receiver |
12/30/1998 | CN1203485A Device and method for controlling frequency characteristic of filter |
12/16/1998 | EP0883951A1 Receiver with filter offset correction |
12/15/1998 | US5850595 Arrangement for reducing interference in tuned circuits in integrated circuits |
11/24/1998 | US5842120 Radio receiver with programmable digital tuner immune to manufacturing variations in varactor capacitance |
10/13/1998 | US5822687 Method and apparatus for automatic tuning calibration of electrically tuned filters |
09/30/1998 | EP0868025A1 Radio receiver |
09/30/1998 | EP0868024A1 Radio receiver and method for adjusting the tuning frequency used in the same |
09/30/1998 | CN1194536A Video frequency signal replay circuit |
09/30/1998 | CN1194500A Voltage controlled oscillator circuit capable of changing over between oscillation frequency bands |
09/16/1998 | CN2291753Y High-frequency magnetic field resonance frequency adjuster of remote controller |
09/16/1998 | CN1193173A Inductor/capacitor combined element with variable capacitance and inductance |