| Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745) |
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| 07/14/2004 | CN1157903C Apparatus and method for carrier frequency compensation in an FM radio transmitter |
| 07/07/2004 | CN1156993C Moving station capable of controlling frequency automaticall |
| 07/06/2004 | US6760078 Digital filtering of DTV I-F signal to avoid low-end boost of the baseband signal resulting from in-phase synchrodyne |
| 07/01/2004 | WO2004055995A2 System and method for discovering frequency related spurs in a multi-conversion tuner |
| 07/01/2004 | US20040127171 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 |
| 07/01/2004 | US20040125894 Radio communication apparatus, radio communication system, and communication control method |
| 07/01/2004 | US20040125239 Television tuner supporting channel hopping |
| 06/30/2004 | EP1434430A1 High speed channel detection, storing, and switching apparatus and method thereof |
| 06/30/2004 | EP0941487B1 Method and apparatus for determining time for gps receivers |
| 06/30/2004 | CN1155835C Combined GPS positioning system and communication system utilizing shared circuitry |
| 06/29/2004 | US6757527 Method and apparatus for synchronizing a local reference frequency in a communication systems |
| 06/24/2004 | US20040119099 Semiconductor device and receiver |
| 06/23/2004 | CN1506695A Synthetic GPS positioning system and communication system utilizing shared circuit |
| 06/22/2004 | US6754289 Synthesizer receiver |
| 06/17/2004 | US20040117861 System and method for discovering frequency related spurs in a multi-conversion tuner |
| 06/16/2004 | EP1429548A2 Program receiver |
| 06/16/2004 | CN1505259A Integrated circuit for high frequency device |
| 06/16/2004 | CN1154349C Selective RF circuit with varactor tuned bandpass switched bandpass filters |
| 06/16/2004 | CN1154231C Method and apparatus for detecting frequency synchronization signal |
| 06/15/2004 | US6751270 Carrier frequency recovery apparatus capable of simultaneously reducing frequency offset and phase error and method of the same |
| 06/09/2004 | CN1153359C Frequency modulation receiver especially for radio data processing system |
| 06/09/2004 | CN1153351C Frequency synthesizer |
| 06/08/2004 | US6748199 Portable telephone apparatus and stablly supplying method of reference frequency |
| 06/03/2004 | WO2004047302A1 Oscillator frequency control |
| 06/01/2004 | US6744839 Clock regeneration circuit |
| 05/27/2004 | WO2004045074A1 Tunable antenna circuit, particularly for a wireless integrated circuit reader |
| 05/27/2004 | US20040102165 Compensation for frequency adjustment in mobile communication-positioning device with shared oscillator |
| 05/27/2004 | US20040100331 Apparatus for controlling the frequency of received signals to a predetermined frequency |
| 05/26/2004 | EP1422849A1 Method of Scanning for Carrier signals modulated with digital data and transmitted by satellite |
| 05/26/2004 | EP1422825A1 Oscillator frequency control |
| 05/20/2004 | US20040097203 Method for tuning a radio filter and a system for tuning a radio filter |
| 05/18/2004 | US6738607 Initial frequency synchronization mechanism |
| 05/18/2004 | US6738414 Radio and communication method using a transmitted intermediate frequency |
| 05/12/2004 | EP1418440A1 GPS receiver and method for processing GPS signals |
| 05/12/2004 | CN1149799C Radio communication receiver |
| 05/11/2004 | US6735188 Channel encoding and decoding method and apparatus |
| 05/06/2004 | EP1416638A1 Method and apparatus for a control signal generating circuit |
| 05/06/2004 | EP1032975B1 Method and apparatus for estimating a frequency offset |
| 05/05/2004 | CN1494224A Receiver with automatic frequency control |
| 05/05/2004 | CN1494212A Clock pulse restore circuit of antomatic regulating voltage control oscillator frequency range |
| 05/05/2004 | CN1148968C Digital type modulation signal receiver |
| 05/05/2004 | CN1148875C AFC device and method for controlling reception frequency in a dual-mode terminal |
| 05/05/2004 | CN1148871C LNB drift search system for DBS products |
| 05/04/2004 | US6731911 Method of performing automatic frequency control in mobile station in waiting mode |
| 05/04/2004 | US6731349 Tuner with at least a first and a second frequency band |
| 04/28/2004 | EP1196992B1 Tuning system for achieving rapid signal acquisition for a digital satellite receiver |
| 04/28/2004 | CN1148001C Receiver with phase-locked loop |
| 04/22/2004 | US20040077326 Fast settling variable gain amplifier with DC offset cancellation |
| 04/22/2004 | US20040077321 Radio transmission device and method for aligning parameters thereof |
| 04/20/2004 | US6725159 GPS receiver and method for processing GPS signals |
| 04/20/2004 | US6725023 Radio FM receiver |
| 04/20/2004 | US6724835 Carrier tracking method |
| 04/20/2004 | US6724342 Compensation for frequency adjustment in mobile communication-positioning device with shared oscillator |
| 04/15/2004 | WO2004032322A1 Television system with controlled tuning |
| 04/15/2004 | US20040073926 Digital broadcast reception apparatus |
| 04/14/2004 | CN1146273C Mobile telephone apparatus |
| 04/14/2004 | CN1146146C Method of executive automatic frequency control for mobile station during voice communication mode |
| 04/14/2004 | CN1146120C Auto frequency control apparatus |
| 04/14/2004 | CN1146111C Digital communication device |
| 04/13/2004 | US6721372 Intelligent software controlled correction of frequency tracking for a local oscillator of a receiver of a wireless device |
| 04/08/2004 | US20040066737 Automatic frequency control device and automatic frequency control method |
| 04/08/2004 | DE10025237B4 Verfahren und Vorrichtung für zeitgleiche Synchronisation und verbesserte automatische Frequenznachführung in einer Kommunikationsvorrichtung Method and apparatus for simultaneous synchronization and improved automatic frequency control in a communication device |
| 04/07/2004 | EP1356600A4 Method and apparatus for reducing scan time in a radio receiver |
| 04/07/2004 | EP1157464B1 Frequency tracking loop and method of frequency tracking |
| 04/07/2004 | CN1488197A Method and apparatus for reducing scan time in a radio receiver |
| 04/07/2004 | CN1487306A GPS receiver and method for processing GPS signals |
| 04/07/2004 | CN1145389C Wireless telephone transmitter/receiver |
| 04/07/2004 | CN1145261C Transmission method utilizing fractional N-phase-locked loop to synthesis conversion oscillator signal |
| 04/01/2004 | WO2004027992A1 Electronic devices having automatic frequency control systems and methods and computer program products for operating the same |
| 04/01/2004 | WO2003089952A3 Compensation for frequency adjustment in a mobile communication-positioning device with shared oscillator |
| 03/31/2004 | EP1208652B1 Radio fm receiver |
| 03/31/2004 | CN1144366C Automatic channel selecting device |
| 03/30/2004 | US6714262 Channel selection device for receiving digital TV broadcasting, receiving device and channel selection method |
| 03/25/2004 | US20040058658 Method and device for automatic control of the frequency of a local oscillator in a DS-CDMA type receiver |
| 03/25/2004 | US20040058657 Electronic devices having automatic frequency control systems and methods and computer program products for operating the same |
| 03/24/2004 | EP1319268B1 Method for calibrating the frequency of an hf-oscillator in a mobile part of a mobile communications device |
| 03/24/2004 | CN1484379A Automatic frequency control system, operation control method thereof and mobile communication device using same |
| 03/24/2004 | CN1143493C Radio signal receiving apparatus and method of radio signal reception |
| 03/24/2004 | CN1143472C Receiver with automatic frequency control |
| 03/18/2004 | US20040051816 Broadcasting receiver and channel searching method in broadcasting receiver |
| 03/18/2004 | US20040051095 Communication semiconductor integrated circuit and radio communication system |
| 03/17/2004 | EP1398963A2 Broadcast receiving apparatus and broadcast receiving method |
| 03/16/2004 | US6707861 Demodulator for an HDTV receiver |
| 03/11/2004 | DE10002600B4 Automatische Kanalspeichervorrichtung Automatic channel memory device |
| 03/10/2004 | CN1481594A Method for tuning radio filter and system for tuning radio filter |
| 03/09/2004 | US6704556 Communication device utilizing channel based oscillator aging compensation and method therefor |
| 03/09/2004 | US6704554 Frequency modulation receiver in particular for an RDS application |
| 03/09/2004 | US6704552 Mobile communication apparatus with an automatic frequency controller |
| 03/09/2004 | US6703920 Device and method for contactless transmission of power or data |
| 03/04/2004 | US20040043737 Method for calibrating the frequency of an rf oscillator in a mobile part of a mobile communications device |
| 03/03/2004 | EP1395072A1 Radio communication apparatus and its reception timing estimating method |
| 03/02/2004 | US6701133 Apparatus for and method of synchronising oscillators within a data communication system |
| 02/26/2004 | WO2003090441A3 Channel aquisition processing for a television receiver |
| 02/26/2004 | US20040038659 Automatic frequency control system, operation control method thereof and mobile communication device using the same |
| 02/25/2004 | EP0914714B1 Receiver having a phase-locked loop |
| 02/25/2004 | CN1140081C Changeable frequency mode, voltage controlled oscillator and spread spectrum communication receiver thereby |
| 02/19/2004 | WO2003098817A3 System and method for frequency management in a communications positioning device |
| 02/19/2004 | WO2003043194A3 Frequency acquisition and locking detection circuit for phase lock loop |
| 02/17/2004 | US6694131 Method and apparatus for adaptive image rejection |
| 02/17/2004 | US6693860 Timing signal recovery by superheterodyne phase locked loop |