Patents
Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745)
04/2006
04/11/2006US7027787 Automatic frequency control system, operation control method thereof and mobile communication device using the same
04/11/2006US7027535 Frequency tracking loop and method of frequency tracking
04/11/2006US7027107 Receiving device used in high-definition television
04/05/2006CN1249923C Method and circuit for providing datum frequency signal
04/04/2006US7023293 Method for tuning a radio filter, a radio filter and a system comprising such a radio filter
03/2006
03/30/2006US20060068745 Combined automatic frequency correction and time track system to minimize sample timing errors
03/30/2006DE4420424B4 Steuerverfahren für einen Senderspeicher eines Rundfunkempfängers A control method for a station memory of a radio receiver
03/29/2006EP1145438B1 Oscillator using a calibration means
03/28/2006US7020449 Fast settling variable gain amplifier with DC offset cancellation
03/28/2006US7019570 Dual-gain loop circuitry for programmable logic device
03/22/2006CN1247038C Radio communication apparatus and its reception timing estimating method
03/21/2006US7016652 Automatic frequency control receiver
03/16/2006US20060057985 System and method for measuring radiation characteristic of antenna
03/16/2006US20060055831 Television tuner
03/16/2006US20060055470 Integrated variable inductor
03/15/2006EP1635467A2 Radio apparatus
03/14/2006US7013119 Radio communication apparatus and its reception timing estimating method
03/09/2006WO2006025544A1 Broadcasting receiver
03/09/2006WO2005020645A3 Method for achieving immediate and accurate automatic frequency tuning
03/02/2006US20060046671 Transmission device, transmission method, reception device, reception method, transmission/reception device, communication method, recording medium, and program
03/01/2006EP1631030A1 Apparatus and method for automatic frequency correction for an FSK receiver system
03/01/2006EP1388209B1 Reference oscillator with automatic compensation for aging and temperature
03/01/2006CN1244199C Method for tuning radio filter, radio filter and system comprising such radio filter
02/2006
02/23/2006WO2006019437A1 Programmable filter
02/23/2006US20060038621 Semiconductor devices with inductors
02/22/2006EP1627467A1 Method and arrangement for automatic frequency control in a communication system
02/22/2006CN1738392A Out-hung type method and device for controlling TV set to search programmes
02/16/2006US20060033584 Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier
02/15/2006CN1736026A Highly selective filtering device and corresponding filtering method
02/15/2006CN1242559C Receiver with automatic frequency control
02/14/2006US6999834 Method for manufacturing a receiver and receiver manufactured by using the same method
02/07/2006US6995809 Automatic channel memory device
02/02/2006US20060022764 Frequency and/or phase compensated microelectromechanical oscillator
02/01/2006EP1332592B1 Joint dc offset and channel estimation by using a least squares (ls) algorithm
02/01/2006CN1729405A Frequency management in a communications positioning device
01/2006
01/26/2006US20060019626 Programmable filter
01/25/2006CN1725636A Circuit for tuning conduction capacity time constant
01/19/2006US20060013345 Oscillator frequency control
01/19/2006DE10111402B4 Verfahren und Phasenregelkreis zur Synchronisation auf einen in einem Nutzsignal enthaltenen Hilfsträger The method and phase-locked loop for synchronization with a subcarrier contained in a useful signal
01/18/2006CN1237714C Automatic frequency control system, operation control method thereof and mobile communication device using same
01/17/2006US6987427 Method for tuning a radio filter, a radio filter and a system comprising such a radio filter
01/12/2006WO2006004730A1 Systems and methods for automated resonant circuit tuning
01/12/2006DE19621925B4 Verfahren zur Identifizierung von Frequenzsprungsendern A method for identifying frequency hopping transmitters
01/11/2006CN1719883A Electronic switch for TV signal booster
01/10/2006US6985705 Radio frequency control for communication systems
01/05/2006US20060001509 Systems and methods for automated resonant circuit tuning
01/04/2006EP1264428B1 Method for recording information that is transmitted via a radio frequency
01/04/2006CN1717026A Electronic switch for TV signal booster
01/03/2006US6983134 Method and apparatus for automatic frequency control and demodulator
12/2005
12/29/2005US20050289625 Television broadcast receiver
12/27/2005US6980775 Automatic frequency control (AFC) system and method using an adaptive threshold to improve accuracy of the direct current (DC) component calculation for a received signal
12/27/2005US6980589 Carrier frequency compensation system and method
12/22/2005WO2005122412A1 Localization of narrowband signals
12/21/2005CN1711694A Oscillator frequency control
12/21/2005CN1711682A Tunable antenna circuit, particularly for contactless integrated circuit reader
12/14/2005EP1605591A1 A device and a method for tuning a radio receiver unit by frequency band scanning
12/14/2005EP1157463B1 Tuning arrangement
12/08/2005US20050272396 Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal
12/07/2005CN1231026C Portable radio system, portable radio device for it and frequency error predicting method
12/06/2005US6972632 Apparatus for controlling the frequency of received signals to a predetermined frequency
12/01/2005US20050264370 Reference oscillator
11/2005
11/30/2005EP1050109B1 Afc device and method of controlling reception frequency in a dual-mode terminal
11/24/2005US20050260959 Dual mode tuning arrangement
11/22/2005US6968165 Frequency scanning receiver permitting quick PPL setting
11/17/2005US20050254601 Channel acquisition processing for a television receiver
11/17/2005DE102005014551A1 Radiosystem, das gleichzeitig voreingestellte Kanäle aus mehreren Bändern anzeigt Radio system which indicates preset channels from a plurality of bands at the same time
11/16/2005CN1227837C Channel encoding and decoding method and apparatus
11/15/2005US6965754 Satellite positioning system receiver with reference oscillator circuit and methods therefor
11/15/2005US6965653 Circuit and method for processing an automatic frequency control signal
11/10/2005WO2005050892A3 Method and apparatus for automatic frequency correction
11/09/2005CN1695299A Electronic devices having automatic frequency control systems and methods and computer program products for operating the same
11/08/2005US6963602 Digital correction method and system
11/01/2005US6961400 Automatic frequency correction apparatus and method of operation
10/2005
10/27/2005US20050239499 Communication semiconductor integrated circuit and radio communication system
10/26/2005EP0732006B1 Minimal function remote control without digit keys and with a power toggle program and with a channel rotation program
10/26/2005CN1689228A Television system with controlled tuning
10/20/2005WO2005099205A1 Method and apparatus for robust automatic frequency control in cdma systems with constant pilot signals
10/19/2005EP1586916A1 GPS receiver and method for processing GPS signals
10/18/2005US6957053 Method for selection of a receiver tuning frequency
10/18/2005US6956895 Method and arrangement for reducing frequency offset in a radio receiver
10/13/2005US20050227649 Radio system that simultaneously displays preset channels from multiple bands
10/12/2005EP1583980A2 Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device
10/11/2005US6954625 Tuner and method of aligning a tuner
10/11/2005US6954508 Automatic frequency control system adapted to compensate for an insufficient capture range
10/06/2005US20050221773 Tuning system
10/06/2005US20050219132 Tunable antenna circuit, particularly for contactless integrated circuit reader
10/05/2005EP1583253A2 High-frequency switch
10/05/2005EP1581997A1 Highly selective filtering device and corresponding filtering method
10/04/2005US6952570 Wireless communication receiver that determines frequency offset
09/2005
09/21/2005CN1672318A Dual mode tuning arrangement
09/21/2005CN1671131A System for minimizing time-pulse error in communication system
09/21/2005CN1220335C Auto frequency controller and its control method
09/20/2005US6947499 Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal
09/08/2005US20050197081 Broadcast receiver and channel scanning method
09/07/2005EP1570578A2 System and method for discovering frequency related spurs in a multi-conversion tuner
09/07/2005CN1666414A Automatic frequency control receiver
09/07/2005CN1218545C Frequency correction in pilot symbol assisted demodulator
08/2005
08/31/2005EP1568130A1 Tunable antenna circuit, particularly for a wireless integrated circuit reader
08/31/2005EP0919084B1 Digital communication device
08/31/2005CN1663126A Tuning system
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