Patents
Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745)
08/2005
08/31/2005CN1661916A Method and system for frequency generation for wireless devices
08/24/2005EP1057260B1 Method and apparatus for detecting a frequency synchronization signal
08/24/2005CN1659863A Channel aquisition processing for a television receiver
08/23/2005US6933788 Reference oscillator
08/23/2005US6933775 Circuit for detecting and correcting central level of FSK demodulation signal
08/17/2005EP1564889A1 Centering a multi-band voltage controlled oscillator
08/11/2005US20050176395 Automatic frequency control receiver
08/11/2005US20050174185 Centering a multi-band voltage controlled oscillator
08/10/2005EP1175731B1 Fully integrated all-cmos am transmitter with automatic antenna tuning
08/10/2005CN1653351A System and method for frequency management in a communications positioning device
08/09/2005US6928275 Method and apparatus for compensating local oscillator frequency error
08/03/2005EP1042876B1 Method for frequency error estimation
08/02/2005US6925289 Broadcast receiver and channel scanning method
07/2005
07/27/2005EP1556950A1 Television system with controlled tuning
07/20/2005EP1555756A1 Radio receiver having adaptive frequency regulator
07/20/2005CN1643789A Direct automatic frequency control method and apparatus
07/14/2005WO2005064874A1 Frequency control for a mobile communications device
07/14/2005US20050152403 Method and device for frequency adjustment
07/13/2005EP1553712A2 Receiver
07/13/2005CN1210866C Tuning system for achieving rapid signal acquisition for a digital satellite receiver
07/07/2005US20050147188 Frequency control for a mobile communications device
07/06/2005EP1212849B1 Channel encoding and decoding method and apparatus
06/2005
06/30/2005US20050141655 Adaptive frequency control apparatus and method thereof
06/29/2005EP1548941A1 Integrated circuit radio receiver having reverse scan tuning capabilities
06/29/2005CN1633731A Resonator tuning assembly and method
06/22/2005EP1543616A1 Electronic devices having automatic frequency control systems and methods and computer program products for operating the same
06/22/2005EP1344325B1 Radio transmission device and method for aligning parameters thereof
06/22/2005CN1207901C Tuner controller and power supply control method for tuner
06/09/2005US20050122184 High-frequency switch
06/08/2005EP1538831A1 Channel selecting unit
06/08/2005EP0864200B1 Receiver tuning
06/08/2005CN1625094A Radio communication semiconductor integrated circuit, data processing semiconductor integrated circuit and portable device
06/07/2005US6904098 Linear phase robust carrier recovery for QAM modems
06/02/2005WO2005050892A2 Method and apparatus for automatic frequency correction
06/02/2005US20050118973 Low leakage local oscillator system
06/02/2005US20050117072 Channel selecting unit
06/01/2005EP1536580A2 Multiplex broadcast receiving apparatus and multiplex broadcast receiving method
05/2005
05/31/2005US6900700 Communication semiconductor integrated circuit and radio communication system
05/26/2005US20050113050 Radio frequency tuning system and method
05/26/2005US20050111595 Portable radio terminal and AFC control method
05/25/2005DE19529075B4 Verfahren und Vorrichtung zur Anzeige des in einem digitalen Datentelegramm eines Rundfunksenders übertragenen Sendernamens und der Programmart auf einem Rundfunkempfängerdisplay Method and apparatus for displaying the data transmitted in a digital data telegram of a radio transmitter station name and the type of program on a broadcast receiver display
05/25/2005CN1619962A Method and system for frequency generation for wireless devices
05/24/2005US6897738 High-frequency switch
05/19/2005US20050107061 Method and apparatus for automatic frequency correction
05/19/2005US20050105655 Portable radio terminal and AFC control method
05/18/2005CN1202626C Multi-mode communications system with efficient oscillator synchronization
05/17/2005US6895231 Method and apparatus for adjusting reference frequency in receiver and storage medium storing control program therefor
05/17/2005US6894475 Scanning RF receiver
05/12/2005US20050101273 Audio broadcast receiver and automatic broadcasting-station selecting method
05/11/2005EP1214822B1 Communication system
05/11/2005CN1201617C Automatic frequency control circuit and method
05/11/2005CN1201515C Control device and method of automatic frequency control in mobile communication equipment
05/10/2005US6891908 Portable radio system and portable radio equipment to be used in the same and frequency error prediction method used therefor
05/05/2005US20050096003 Reverse electronic tuning circuit for FM radio frequency-lock-loop circuits
05/05/2005US20050094530 Radio communication semiconductor integrated circuit, data processing semiconductor integrated circuit and portable device
05/04/2005EP1528694A1 Radio communication semiconductor integrated circuit, data processing semiconductor integrated circuit and portable device
05/04/2005EP1527513A1 Dual mode tuning arrangement
05/04/2005CN1613177A Multiple analog and digital downconversion
04/2005
04/27/2005CN1199504C Frequency correction method of mobile telephone terminal
04/14/2005US20050078743 Radio frequency control for communication systems
04/13/2005EP0834997B1 High-frequency signal receiver
04/13/2005CN1197315C Method for frequency acquisition, especially for initial frequency acquisition, of mobile communications device
04/12/2005CA2103299C Frequency offset estimation using the phase rotation of channel estimates
04/07/2005WO2005032017A1 Radio receiver device comprising an input interface for frequency list data
04/07/2005US20050073614 Broadcasting receiver
04/06/2005EP1520347A1 Tuning system
04/06/2005EP1520344A1 Automatic frequency control receiver
04/06/2005EP1046229B1 Frequency synthesizer
04/06/2005CN1196262C Method and system for frequency generation for wireless devices
04/05/2005US6876874 Process for reducing the electrical consumption of a transmitter/receiver of digital information, in particular a cellular mobile telephone, and corresponding transmitter/receiver
03/2005
03/30/2005CN1601918A Portable radio terminal and AFC control method
03/24/2005CA2538299A1 Energy storage device for loads having variable power consumption
03/23/2005EP1319290B1 Method for frequency acquisition, especially for initial frequency acquisition, of a mobile communications device
03/22/2005US6870428 Mobile radio communications device having a PLL that phase locks with two crystal oscillators
03/17/2005US20050059368 Signal processing circuit for tuner which applies signal processing based on variation in frequency of intermediate frequency signal
03/16/2005CN1595806A Dual-gain loop circuitry for programmable logic device
03/15/2005US6867734 System and method for frequency management in a communications positioning device
03/10/2005US20050052208 Dual-gain loop circuitry for programmable logic device
03/09/2005EP1512026A2 System and method for frequency management in a communications positioning device
03/09/2005CN1592855A Method for open loop tracking GPS signals
03/09/2005CN1592122A Signal processing circuit for tuner
03/09/2005CN1192287C Radio receiver for receiving broadcast containing auxiliary data and its custom tuning method
03/08/2005US6864926 Channel tuning apparatus
03/03/2005WO2005020645A2 Method for achieving immediate and accurate automatic frequency tuning
03/02/2005CN1589525A Method and device for installing broadcasting channels
02/2005
02/24/2005US20050043825 Method and apparatus for a control signal generating circuit
02/24/2005US20050042994 Radio apparatus
02/23/2005EP1508055A1 Frequency management in a communications positioning device
02/23/2005CN1190918C Method and device for adjusting reference frequency in receiver
02/23/2005CN1190897C Oscillator using calibration means (SE)
02/17/2005US20050037721 Receiver system for decoding data embedded in an electromagnetic signal
02/17/2005US20050037720 Method for achieving immediate and accurate automatic frequency tuning
02/15/2005US6856791 Direct automatic frequency control method and apparatus
02/09/2005CN1188979C FDD/TDD transceivers for wireless communication equipment
02/08/2005US6853255 AFC circuit compensating an error in oscillation frequency
02/02/2005CN1574636A Automatic frequency controlling apparatus and method of mobile communication terminal
01/2005
01/25/2005US6847811 Receiver circuit compensation for filter response error
01/25/2005US6847688 Automatic frequency control systems and methods for joint demodulation
01/19/2005EP1497977A2 Channel aquisition processing for a television receiver
01/19/2005EP1497669A2 Compensation for frequency adjustment in mobile communication-positioning device with shared oscillator
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