Patents
Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745)
09/2007
09/13/2007DE202007007966U1 Transmitter Transmitter
09/12/2007EP1831999A1 Vco center frequency tuning and limiting gain variation
09/12/2007EP1831997A1 Vco gain tuning using voltage measurements and frequency iteration
09/12/2007EP1520344B1 Automatic frequency control receiver
09/12/2007CN101034904A Device and method for the FM radio to accurately search broadcasting station
09/11/2007US7269401 Signal processing circuit for tuner which applies signal processing based on variation in frequency of intermediate frequency signal
09/11/2007US7268634 Dual-mode voltage controlled oscillator using integrated variable inductors
09/06/2007DE19830608B4 Rundfunkempfänger Broadcast radio receiver
09/05/2007EP1829230A1 Fractional-n frequency generation and automatic frequency control in a wireless communication unit
09/05/2007CN101032088A Receiver apparatus and electronic device using the same
09/04/2007US7266162 Carrier frequency offset estimator for OFDM systems
08/2007
08/30/2007US20070201565 Direct conversion rf transceiver for wireless communications
08/30/2007DE10116886B4 Verfahren zum Optimieren des Frequenzaufbereitungszuges eines Hochfrequenz-Überlagerungsempfängers A method for optimizing the frequency processing train of high-frequency heterodyne receiver
08/28/2007US7262814 Method and device for installing broadcasting channels
08/22/2007EP0954911B1 Method for evaluating digital signals, especially rds signals
08/16/2007WO2004102985A3 Scanner with auxiliary non-volatile memory
08/15/2007EP1527513B1 Dual mode tuning arrangement
08/07/2007US7254378 Receiver system for decoding data embedded in an electromagnetic signal
08/01/2007EP1814248A1 Channel detecting device, and tuner testing device having the channel detecting device
08/01/2007CN101010882A Broadcasting receiver
07/2007
07/19/2007US20070165703 Method and apparatus for robust automatic frequency control in cdma systems with constant pilot signals
07/18/2007CN1327626C Automatic channel selecting device
07/17/2007US7245891 Wireless mobile communication device having a speaker vibration alert and method of using same
07/12/2007DE4245045B4 Vehicle audio system with FM radio receiver - communicates radio programme content to user upon request reception
07/05/2007US20070155350 Method of frequency planning in an ultra wide band system
07/03/2007CA2265260C Digital broadcast receiver
06/2007
06/27/2007CN1987900A Resonant frequency regulating circuit and method for radio frequency identifying chip capacity
06/21/2007US20070140386 Method and arrangement for automatic frequency control in a communication system
06/21/2007DE19949250B4 Verfahren zum automatischen Auffinden eines AM-Rundfunkprogramms A method of automatically finding an AM-broadcast program
06/21/2007DE102006042009A1 Yig-Filter-Abstimmsystem YIG filter tuning system
06/20/2007EP1798564A2 An improved GPS receiver utilizing satellite position information for compensating Doppler
06/13/2007EP1796337A2 Recovery of frequency jumps in QPSK modulated microwaves radio links
06/13/2007EP1583980B1 Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device
06/13/2007EP1168634B1 Method for reducing the electricity consumption of a mobile cellular telephone
06/13/2007EP1120920B1 Wideband receiver and channel scanning method
06/12/2007US7230654 Channel acquisition processing for a television receiver
06/06/2007EP1792202A2 Method and system for frequency drift prediction
06/05/2007US7228117 Frequency correction method and apparatus for correcting secular change
05/2007
05/31/2007WO2007062309A2 Rf transceiver and a method of operation therein
05/30/2007EP1791255A1 Radio communication system
05/29/2007US7224722 Direct conversion RF transceiver with automatic frequency control
05/24/2007WO2007037456A9 Voltage control oscillator
05/23/2007CN1317830C Auto frequency deviation correcting method and its apparatus and receiver of using same method
05/23/2007CN1317829C Signal processing circuit for tuner
05/22/2007US7221921 Partitioning of radio-frequency apparatus
05/22/2007US7221412 Digital broadcasting receiver and channel information registration processing method in digital broadcasting receiver
05/18/2007WO2007056733A1 Wireless device with a non-compensated crystal oscillator
05/17/2007US20070111673 Radio apparatus
05/16/2007EP1786110A1 Broadcasting receiver
05/01/2007US7212586 Direct conversion RF transceiver for wireless communications
05/01/2007US7212512 Frequency correction system for a wireless device communicating in a wireless local area network
05/01/2007US7212509 Method for regulating a frequency offset in a base-station receiver of a data communications system
04/2007
04/25/2007EP1777831A1 Receiver apparatus and electronic device using the same
04/12/2007WO2007040429A1 Oscillating circuit with tunable filter for minimizing phase noise
04/05/2007WO2007037456A1 Voltage control oscillator
04/04/2007EP1770861A2 Network searching in a mobile communication terminal
03/2007
03/29/2007US20070070255 Television system with controlled tuning
03/28/2007CN1936616A Receiver of signals from GPS system and method for processing GPS system signals
03/27/2007CA2361369C Tuning arrangement
03/22/2007DE102006023736A1 Empfänger für digitale Hörfunkübertragung Receiver for digital radio transmission
03/20/2007US7194046 Frequency error correction unit and method in a wireless LAN system
03/14/2007EP1332554B1 Automatic frequency control systems and methods for joint demodulation
03/14/2007EP1050963B1 Receiver for digital terrestrial broadcasting
03/14/2007CN1928584A Combined GPS positioning system and communications system utilizing shared circuitry
03/08/2007DE102006040074A1 Broadcast receiver for searching specific broadcast station, includes receiving unit for signals from available broadcasting stations and memory for storing specific ID code of desired specific station
02/2007
02/28/2007EP1757216A1 Transmitter, receiver, and transmission/reception system
02/28/2007EP1568130B1 Tunable antenna circuit, particularly for a wireless integrated circuit reader
02/28/2007CN1922806A Method and apparatus for automatic frequency correction
02/27/2007US7184742 High frequency device
02/27/2007US7184738 Radio apparatus
02/21/2007EP1755219A2 Multi-tuner data multiplex broadast receiver
02/21/2007EP1754312A1 Localization of narrowband signals
02/21/2007CN1917379A Portable radio terminal and afc control method
02/15/2007DE10046574B4 Verfahren zur Kalibrierung der Frequenz eines HF-Oszillators in einem Mobilteil einer mobilen Kommunikationseinrichtung Method for calibrating the frequency of an RF oscillator in a mobile part of a mobile communication device
02/14/2007EP1752782A2 LO correction in GPS receiver
02/14/2007EP1751867A2 Adjustable frequency delay-locked loop
02/13/2007US7177602 Electronic devices having automatic frequency control systems and methods and computer program products for operating the same
02/08/2007WO2007015636A2 Communication system
02/08/2007US20070032213 Method and apparatus for automatic frequency correction
02/08/2007DE102005036446A1 Rundfunkempfangsgerät Radio receiver
02/01/2007WO2007013226A1 Receiver apparatus and electronic device using the same
02/01/2007DE102005035093A1 Rundfunkempfangseinheit Listening to the radio unit
01/2007
01/31/2007EP1748559A1 Automatic frequency control loop circuit
01/31/2007EP1032997B1 Radio receiver with two tuners and a switch for verifying reception quality at an alternative frequency
01/30/2007US7171181 Method for achieving immediate and accurate automatic frequency tuning
01/24/2007CN1902869A Frequency control for a mobile communications device
01/23/2007US7167697 Reverse electronic tuning circuit for FM radio frequency-lock-loop circuits
01/18/2007WO2007007712A1 Broadcast reception module and broadcast device using the same
01/16/2007US7164735 Phase-locked loop for synchronization with a subcarrier contained in an intelligence signal
01/09/2007US7161416 Programmable filter
01/03/2007EP1739846A2 Signal generating apparatus, IC chip, GPS receiver, and cellular phone
01/03/2007EP1543616B1 Electronic devices having automatic frequency control systems and methods and computer program products for operating the same
01/03/2007CN1889360A Frequency channel detecting method
01/02/2007US7158762 Direct conversion RF transceiver with automatic transmit power control
01/02/2007US7158190 Broadcasting receiver and channel searching method in broadcasting receiver
12/2006
12/28/2006US20060293007 Display system and FM signal transferring method thereof
12/26/2006US7155183 Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device
12/26/2006US7155174 Method and apparatus for compensating for frequency offsets caused by a free-running oscillator
12/21/2006WO2006135138A1 Frequency modulated audio transmitter circuit using full-cmos and fabrication method thereof
12/21/2006US20060286954 Method and apparatus for matching receiver carrier frequency
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