| Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745) |
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| 09/20/2012 | DE102008054539B4 Direktmischende Empfängerarchitektur mit integrierter Tunerselbstabstimmfunktion Direct conversion transceiver architecture with integrated Tunerselbstabstimmfunktion |
| 09/18/2012 | USRE43664 Automatic channel memory device |
| 08/30/2012 | US20120217817 Tuning Electromagnetic Fields Characteristics for Wireless Energy Transfer Using Arrays of Resonant Objects |
| 08/29/2012 | CN102651654A Signal receiving device and signal receiving method |
| 08/28/2012 | US8254499 Digital satellite broadcasting receiving tuner and satellite broadcasting receiving device including the same |
| 08/22/2012 | CN101179262B Filter circuit device |
| 08/21/2012 | US8249533 Rapidly adjustable local oscillation module and applications thereof |
| 08/14/2012 | US8242848 Oscillation frequency control circuit, and DC-DC converter and semiconductor device having the same |
| 08/09/2012 | WO2012103679A1 Receiver circuit including tuning network |
| 08/08/2012 | EP2485398A1 Comfort and/or access control system |
| 08/02/2012 | DE102012201459A1 Ein Signalgenerator für einen Sender oder einen Empfänger, ein Sender und ein Empfänger A signal generator for a transmitter or a receiver, a transmitter and a receiver |
| 07/31/2012 | CA2667786C Gps receiver and method for processing gps signals |
| 07/31/2012 | CA2667772C Gps receiver and method for processing gps signals |
| 07/31/2012 | CA2667764C Gps receiver and method for processing gps signals |
| 07/18/2012 | EP2232716B1 Method and apparatus for detecting a frequency band and mode of operation |
| 07/18/2012 | EP2127076B1 An automatic radio tuning system |
| 07/11/2012 | CN101924534B Monotonous debugging method of digital control capacitance switch array of crystal oscillator |
| 07/04/2012 | EP2472284A1 Method for open loop tracking GPS signals |
| 06/27/2012 | EP2469302A1 Method for open loop tracking GPS signals |
| 06/27/2012 | CN101032088B Receiver apparatus and electronic device using the same |
| 06/20/2012 | CN101729043B Communication system, digitizer and method for receiving radio frequency signal |
| 06/07/2012 | US20120139654 Frequency synthesizer |
| 06/07/2012 | US20120139650 Charge pump and phase detection apparatus, phase-locked loop and delay-locked loop using the same |
| 05/30/2012 | CN1917379B Portable radio terminal and afc control method |
| 05/24/2012 | DE102009030462B4 Dynamisch einstellbare Gütefaktoren Dynamically adjustable quality factors |
| 05/23/2012 | CN102468821A Awakening circuit, on-board unit, filter, and frequency detection and filtration method |
| 05/23/2012 | CN101589551B An automatic radio tuning system and method |
| 05/22/2012 | US8183938 Tuning methods and apparatus for inductively coupled power transfer (ICPT) systems |
| 05/16/2012 | DE102010043968A1 Verfahren zum Abgleich eines Empfangsschwingkreises eines Transponders in einem RFID-System A method for calibrating a reception resonant circuit of a transponder in an RFID system |
| 05/16/2012 | CN202221984U Filter automatic tuning device used for GPS radio frequency receiver |
| 05/16/2012 | CN1816966B Method and arrangement for frequency synchronisation of a mobile station with a base station in a mobile communication system |
| 05/16/2012 | CN102460984A System and transceiver clocking to minimize required number of reference sources in multi-function cellular applications including GPS |
| 05/02/2012 | EP2446543A1 System and transceiver clocking to minimize required number of reference sources in multi-function cellular applications including gps |
| 04/25/2012 | EP2137816B1 Intelligent scanning system and method for walkie-talkie devices |
| 04/24/2012 | US8166322 Portable terminal device |
| 04/18/2012 | CN101420215B 数字卫星广播接收调谐器及具有该调谐器的卫星广播接收机 Digital satellite broadcast receiving tuner, and the tuner with a satellite broadcast receiver |
| 04/12/2012 | WO2011116193A3 Battery with universal charging input |
| 04/10/2012 | CA2640651C Method and apparatus for acquiring satellite positioning system signals |
| 04/04/2012 | EP2273703B1 Digital coherent receiving apparatus |
| 03/21/2012 | CN1717026B Electronic switch for TV signal booster |
| 03/21/2012 | CN102386890A Automatic cutoff frequency adjusting circuit and portable digital assistant |
| 03/14/2012 | EP1464111B1 Multiple analog and digital downconversion |
| 03/07/2012 | EP2067259B1 Method and apparatus for efficiently applying frequency correction |
| 03/01/2012 | WO2012025953A1 Radio receiver apparatus |
| 01/31/2012 | US8107512 Method and apparatus for robust automatic frequency control in CDMA systems with constant pilot signals |
| 01/26/2012 | DE102007029998B4 Spannungsgesteuerter Resonanzkreis A voltage-controlled resonant circuit |
| 01/19/2012 | WO2012007317A1 Clocking scheme for a wireless communication device |
| 01/18/2012 | EP2408108A1 Clocking scheme for a wireless communication device |
| 01/18/2012 | CN101061652B Channel detecting device, and tuner testing device having the channel detecting device |
| 01/12/2012 | US20120007667 Automatic cutoff frequency adjusting circuit and portable digital assistant |
| 01/12/2012 | DE112009001324T5 Empfangsvorrichtung Receiving device |
| 01/12/2012 | DE102007051792B4 Selbstkalibrierender RFID-Transponder und Verfahren zur Selbstkalibrierung eines RFID-Transponders Self-calibrating RFID transponder and method for self-calibration of an RFID transponder |
| 01/03/2012 | US8090335 Method and apparatus for an adaptive step frequency calibration |
| 12/13/2011 | US8076979 Lock detection circuit for phase locked loop |
| 12/08/2011 | WO2011150952A1 Tuning system of resonator filters |
| 12/07/2011 | CN101719761B 精密频率跟踪电路 Precision frequency tracking circuit |
| 11/23/2011 | CN1719883B Electronic switch for TV signal booster |
| 11/23/2011 | CN1568584B Satellite positioning system receiver with reference oscillator circuit and methods therefor |
| 11/23/2011 | CN102257730A Method and apparatus for frequency control in wireless communications |
| 11/23/2011 | CN101160720B Dual-loop automatic frequency control for wireless communication |
| 11/22/2011 | US8065553 Phase interpolator for a timing signal generating circuit |
| 11/22/2011 | US8064860 Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device |
| 11/15/2011 | US8059209 Broadcast signal receiving device and method |
| 11/09/2011 | CN101034904B Device and method for the FM radio to accurately search broadcasting station |
| 11/03/2011 | US20110267150 Automatic Frequency Control Architecture with Digital Temperature Compensation |
| 11/02/2011 | EP1133825B1 Methods and systems for frequency generation for wireless devices |
| 11/02/2011 | EP1108223B9 Method and apparatus for acquiring satellite positioning system signals |
| 10/19/2011 | CN1928584B Combined GPS positioning system and communications system utilizing shared circuitry |
| 10/19/2011 | CN101501992B Reference signal generation device for multiple communication system and method |
| 09/28/2011 | EP2368323A1 Method and apparatus for frequency control in wireless communications |
| 09/28/2011 | CN1711682B Tunable antenna circuit, particularly for contactless integrated circuit reader |
| 09/28/2011 | CN101150819B An automatic multi-mode mobile communication terminal and its automatic frequency control method |
| 09/20/2011 | US8022776 Origami cascaded topology for analog and mixed-signal applications |
| 09/06/2011 | US8014475 Method and arrangement for automatic frequency control in a communication system |
| 08/25/2011 | DE102010008544A1 Audio signal reconnaissance method, involves selecting time resolution achieved by sequence of signal snapshots within same frequency band depending on expected signal duration, and storing received signals in memory |
| 08/11/2011 | WO2011096789A1 An electrical properties enhancing device |
| 07/28/2011 | US20110181366 Oscillators having arbitrary frequencies and related systems and methods |
| 07/27/2011 | EP1570578B1 System and method for discovering frequency related spurs in a multi-conversion tuner |
| 07/13/2011 | EP2343803A1 Automatic frequency offset compensation method and device |
| 07/06/2011 | CN1864329B Energy storage device for loads having variable power rates |
| 06/23/2011 | US20110148530 Oscillator with capacitance array |
| 06/22/2011 | CN101212212B High precision oscillator with self-calibration function and calibration method |
| 06/01/2011 | CN102084598A Random phase multiple access communication interface system and method |
| 05/31/2011 | US7952648 Broadcast reception module and broadcast device using the same |
| 05/18/2011 | CN102067461A Reception device |
| 04/19/2011 | US7929903 System and method for providing event spectators with audio/video signals pertaining to remote events |
| 04/07/2011 | WO2010151624A4 System and transceiver clocking to minimize required number of reference sources in multi-function cellular applications including gps |
| 04/07/2011 | US20110080381 Portable Control Apparatus and Method Thereof |
| 04/05/2011 | US7920663 Using the AC mains as a reference for frequency comparison |
| 03/30/2011 | CN1987900B Resonant frequency regulating circuit and method for radio frequency identifying chip capacity |
| 03/30/2011 | CN101997517A Self-adaptive metrewave radar automatic frequency control (AFC) system based on direct digital synthesizer (DDS) technology |
| 03/24/2011 | US20110069541 Ferromagnetic thin wire element |
| 03/23/2011 | CN201774506U Automatic tuning system |
| 03/03/2011 | US20110053645 Method and Apparatus for Adjusting Reference Oscillator Frequency in a Mobile Wireless Device |
| 03/02/2011 | EP2290745A1 Antenna system comprising an electrically small antenna for reception of UHF band channel signals |
| 02/23/2011 | CN101091316B Method and device for Vco center frequency tuning and limiting gain variation |
| 02/16/2011 | EP2285018A2 An improved GPS receiver utilizing satellite position information for compensating Doppler |
| 02/08/2011 | US7885690 Methods for driving devices capable of displaying images and processing audio messages |
| 02/03/2011 | DE102010028886A1 Funkwellenempfänger Radio wave receiver |
| 02/02/2011 | CN101964506A High voltage high powder double-tuned method for electric deicing of overhead power transmission line |