Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745) |
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02/12/2004 | WO2004013954A1 Dual mode tuning arrangement |
02/12/2004 | US20040028160 Method for frequency acquisition, especially for initial frequency acquisition, of a mobile communications device |
02/11/2004 | EP1388209A1 Reference oscillator with automatic compensation for aging and temperature |
01/29/2004 | WO2003036322A3 Method for open loop tracking gps signals |
01/27/2004 | US6684059 Frequency generation in a wireless communication system |
01/21/2004 | EP1383239A1 Method and device for performing automatic frequency control in a DS-CDMA receiver |
01/14/2004 | EP1380108A2 Methods and apparatus for tuning pre-selection filters in radio receivers |
01/14/2004 | CN1134931C Method for measuring frequency difference and receiver |
01/14/2004 | CN1134916C Communication apparatus and frequency control method for communication apparatus |
01/14/2004 | CN1134899C High frequency apparatus |
01/13/2004 | US6678012 LNB drift search system for DBS products |
01/13/2004 | US6677894 Method and apparatus for providing location-based information via a computer network |
01/08/2004 | WO2004004121A1 Automatic frequency control receiver |
01/06/2004 | US6674814 Frequency error estimating apparatus and a frequency error estimating method |
01/06/2004 | US6674813 Integrated circuit for detecting a received signal and circuit configuration |
01/06/2004 | US6674731 Transmission and reception of TCP/IP data over a wireless communication channel |
01/02/2004 | EP1376853A1 Apparatus and method for tuning a filter |
12/31/2003 | WO2004001975A1 Tuning system |
12/31/2003 | CN1133323C Circuit for generating automatic trimming control voltage |
12/31/2003 | CN1133322C 电视接收机 TV receiver |
12/31/2003 | CN1133283C 发射接收机 Transmitter-receiver |
12/24/2003 | CN1463504A Auto frequency controller and its control method |
12/18/2003 | WO2003001692A3 Low leakage local oscillator system |
12/18/2003 | US20030232606 Automatic frequency control apparatus |
12/18/2003 | US20030231718 Carrier frequency offset estimator for OFDM systems |
12/18/2003 | US20030231066 Mobile radio communications device |
12/16/2003 | US6665292 Transmission and reception of TCP/IP data over a wireless communication channel |
12/09/2003 | US6662000 Synchronisation method and device for a communication receiver |
12/09/2003 | US6661372 Client-server based remote locator device |
12/09/2003 | US6661291 Fractional and rapid response frequency synthesizer, and corresponding frequency synthesizing method |
12/03/2003 | CN1460348A Method for frequency acquisition, especially for initial frequency acquisition, of mobile communications device |
12/03/2003 | CN1460325A Method for calibrating frequency of HF-oscillator in mobile part of mobile communication device |
12/03/2003 | CN1130043C Method for automatic frequency control of moving station in waiting mode |
12/02/2003 | US6658241 Radio receiver automatic frequency control techniques |
11/27/2003 | WO2003098817A2 System and method for frequency management in a communications positioning device |
11/27/2003 | WO2003098258A1 Frequency management in a communications positioning device |
11/26/2003 | CN1129303C Channel selection deivce for receiving digital TV broadcasting and channel selection method |
11/26/2003 | CN1129302C Automatic channel storage device |
11/25/2003 | US6654424 Method and device for tuning a first oscillator with a second oscillator and rotation rate sensor |
11/20/2003 | WO2003096535A1 Method and radio frequency receiver apparatus for processes radio frequency signals |
11/20/2003 | US20030214436 System and method for frequency management in a communications positioning device |
11/20/2003 | US20030214432 System and method for frequency management in a communications positioning device |
11/19/2003 | EP0913031B1 Method and system for tuning resonance modules |
11/18/2003 | US6650636 Transmission and reception of TCP/IP data over a wireless communication channel |
11/18/2003 | US6650376 Controller of tuner apparatus and method for controlling power supply to tuner of tuner apparatus |
11/13/2003 | WO2003094349A1 Method and devices for processing a radio signal with direct analog-to-digital conversion |
11/12/2003 | EP1181775B1 Method for selection of a receiver tuning frequency |
11/11/2003 | US6647247 Method for producing transmission frequency |
11/06/2003 | US20030206079 High-frequency switch |
11/04/2003 | US6643518 Method and apparatus for synchronizing telecommunications devices via a transmission network |
11/04/2003 | US6643334 Bandpass tracker for DTV receiver, with VSB I-F signal filtered for more symmetrical AFPC Loop response |
11/04/2003 | US6642797 Normalization methods for automatic requency compensation in bluetooth applications |
10/30/2003 | WO2003090441A2 Channel aquisition processing for a television receiver |
10/30/2003 | WO2003089952A2 Compensation for frequency adjustment in a mobile communication-positioning device with shared oscillator |
10/30/2003 | US20030201839 Normalization methods for automatic requency compensation in bluetooth applications |
10/29/2003 | EP1356600A1 Method and apparatus for reducing scan time in a radio receiver |
10/29/2003 | CN1126277C Radio communication apparatus and adjusting method thereof |
10/29/2003 | CN1126252C Receiver tuning |
10/23/2003 | US20030197638 Compensation for frequency adjustment in mobile communication-positioning device with shared oscillator |
10/21/2003 | US6636571 Automatic frequency control system with improved argument approximation |
10/15/2003 | CN1124686C Automatic frequency control with adjacent channel interference protection |
10/14/2003 | US6633255 Method for open loop tracking GPS signals |
10/14/2003 | US6633206 High-frequency switch |
10/09/2003 | US20030190891 Initial frequency synchronization mechanism |
10/09/2003 | US20030189673 Digital filtering of DTV I-F signal to avoid low-end boost of the baseband signal resulting from in-phase synchrodyne |
10/07/2003 | US6631174 Automatic frequency control apparatus |
10/02/2003 | US20030186661 Method for recording information that is transmitted via a radio frequency |
10/02/2003 | US20030185317 Frequency error correction unit and method in a wireless LAN system |
10/02/2003 | US20030185158 Frequency correction system for a wireless device communicating in a wireless local area network |
10/01/2003 | EP0883951B1 Receiver with filter offset correction |
09/30/2003 | US6628930 Radio receiver with two tuners and a switch for verifying reception quality at an alternative frequency |
09/30/2003 | US6628927 Method and apparatus for transmitting and receiving signals |
09/30/2003 | US6628345 Automatic frequency tuning circuit |
09/25/2003 | WO2003079548A1 Direct automatic frequency control method and apparatus |
09/25/2003 | US20030181182 Receiver for wireless transmission system |
09/24/2003 | EP1346430A1 Method for tuning a radio filter and a system for tuning a radio filter |
09/23/2003 | US6625434 Method of performing automatic frequency control in a mobile station during in speech communication mode |
09/23/2003 | US6625431 Tuner device |
09/18/2003 | US20030176173 Direct automatic frequency control method and apparatus |
09/17/2003 | EP1344325A1 Radio transmission device and method for aligning parameters thereof |
09/16/2003 | US6622009 Radiotelephone transmitter/receiver |
09/12/2003 | WO2003075474A1 Superheterodyne circuit with band-pass filter for channel selection |
09/03/2003 | CN1440509A Method and apparatus for compensating local oscillator frequency error |
09/03/2003 | CN1120571C Method and apparatus for estimating frequency offset |
08/27/2003 | EP0986883B1 Method and apparatus for band-adaptive demodulation |
08/27/2003 | EP0880713B1 Combined gps positioning system and communications system utilizing shared circuitry |
08/27/2003 | CN1438780A Frequency selection method and receiver |
08/26/2003 | US6611549 Frequency switching method, voltage controlled oscillator using same and receiver for spread spectrum communication using same |
08/21/2003 | US20030155988 Apparatus and method for tuning a filter |
08/20/2003 | EP1337041A1 Frequency selection method and receiver |
08/20/2003 | CN1118979C Automatic frequency control circuit |
08/14/2003 | US20030153290 Frequency selection method and receiver |
08/14/2003 | US20030151698 Digital/analog TV receiver |
08/14/2003 | US20030151455 Circuit for detecting and correcting central level of FSK demodulation signal |
08/12/2003 | US6606129 Digital filtering of DTV I-F signal to avoid low-end boost of the baseband signal resulting from in-phase synchrodyne |
08/06/2003 | EP1332554A2 Automatic frequency control systems and methods for joint demodulation |
08/06/2003 | EP1012970B1 Frequency adjustment |
08/06/2003 | CN1117457C Clock regeneration circuit |
07/31/2003 | WO2003063353A1 Receiver |
07/30/2003 | EP1188236B1 Integrated circuit for detecting a receive signal and circuit array |