Patents
Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745)
01/2002
01/24/2002WO2001022583A3 Pll with memory for electronic alignments
01/24/2002US20020010010 Process for reducing the electrical consumption of a transmitter/receiver of digital information, in particular a cellular mobile telephone, and corresponding transmitter/receiver
01/24/2002DE19543844C2 UHF-Signalgenerator UHF signal generator
01/16/2002EP1172952A2 Receiver for receiving digital broadcast transmissions comprising a means for determining the bit error rate and the signal strength of the digital broadcast transmissions
01/16/2002EP1172938A1 Digital broadcast receiver
01/16/2002EP1171952A1 Method and system for tuning resonance modules
01/16/2002EP1171951A1 Carrier tracking method
01/15/2002US6339711 Radio apparatus
01/08/2002US6337913 Wireless transmitter/receiver circuit system with floating frequency tracing function for a wireless audio equipment
01/02/2002EP1168634A1 Method for reducing the electricity consumption of a mobile cellular telephone
01/02/2002EP1168617A2 Closed loop frequency control
01/02/2002CN1329425A Closed ring frenquency control
12/2001
12/27/2001US20010055980 Multi-mode cellular phone terminal
12/27/2001US20010054929 Filter characteristic regulating apparatus and regulating method therefor
12/20/2001US20010053192 Portable radio system and portable radio equipment to be used in the same and frequency error prediction method used therefor
12/19/2001EP0883951A4 Receiver with filter offset correction
12/19/2001CN1327354A Multiple module honeycomb telephone terminal
12/19/2001CN1327318A Method and equipment for reducing frequency shifting in radio frequency receiver
12/18/2001US6332007 Automatic frequency control in FSK receiver using voltage window deviation
12/18/2001CA2080171C Diversity radio receiver automatic frequency control
12/12/2001EP1162834A1 Channel selection device for receiving digital tv broadcasting, receiving device and channel selection method
12/12/2001EP1162754A2 Multi-mode cellular phone terminal
12/12/2001EP1161799A1 Transmitter-receiver
12/12/2001CN1326632A Frequency correction in pilot symbol assisted demodulator
12/06/2001WO2001093570A1 Channel selection apparatus
12/06/2001US20010049272 Circuit configuration having a filter, and a method for operating a circuit configuratin having a filter
12/06/2001US20010048330 Clock generator and digital or telephone poratble terminal using the same
12/05/2001EP1160981A2 Method and arrangement for reducing frequency offset in a radio receiver
12/05/2001CN1325492A Method and apparatus for acquiring satellite positioning system signals
12/05/2001CN1075918C Apparatus for finely adjusting tuning data for a television receiver and the method thereof
12/04/2001US6327464 Frequency conversion circuit having a variable trap circuit tuned to the local oscillator frequency
11/2001
11/28/2001EP1158676A2 Interference reducing circuit and television broadcasting receiver
11/28/2001EP1157464A1 Frequency tracking loop and method of frequency tracking
11/28/2001EP1157463A1 Tuning arrangement
11/28/2001EP1157461A1 Speeding up search tuning in television receivers
11/22/2001US20010044280 Method and apparatus for transmitting and receiving signals
11/21/2001EP1156611A2 Receiver comprising a frequency scanning means
11/21/2001CN1075291C Method and apparatus for automatic modulation calibration in a radio transmitter
11/15/2001WO2001086810A1 Scanning rf receiver
11/15/2001WO2001086809A2 Method and apparatus for compensating local oscillator frequency error through environmental control
11/15/2001WO2001086316A2 Method and apparatus for compensating local oscillator frequency error
11/07/2001CN1074637C Channel scanning device and method
11/07/2001CN1074618C Method for adjusting reference frequencies in communication system
11/06/2001US6314145 Tracking carrier timing
10/2001
10/31/2001EP1150426A2 Synthesizer receiver
10/31/2001CN1319951A Synthesizer type receiver
10/25/2001US20010034210 Enhanced GPS receiver utilizing wireless infrastructure
10/24/2001EP1148643A2 Radio communication apparatus and radio frequency correcting method
10/24/2001EP1148642A2 Frequency error estimaton method used in a portable radio system
10/24/2001CN1318932A Portable radio system, portable radio device for it and frequency error predicting method
10/23/2001US6307427 Filter characteristic regulating apparatus and regulating method therefor
10/18/2001US20010030585 Tunable filter and methods of characterizing and tuning said filter
10/17/2001EP1145438A1 Oscillator using a calibration means
10/16/2001US6304620 Sign-cross product automatic frequency control loop
10/11/2001WO2001076097A1 Method and apparatus for automatic frequency control and demodulator
10/11/2001WO2001075473A2 Enhanced gps receiver utilizing wireless infrastructure
10/11/2001WO2001024537A3 Method and apparatus for peak tracking a baseband signal
10/11/2001US20010029171 Radio communication apparatus and radio frequency correcting method
10/11/2001US20010028689 Radio FM receiver
10/11/2001US20010028321 GPS receiver utilizing a communication link
10/04/2001US20010026597 Synthesizer receiver
10/03/2001CN1316148A Frequency error estimating device and frequency error estimating method
10/03/2001CN1072427C 数字数据接收机 Digital data receiver
10/02/2001US6298227 Method and apparatus for frequency conversion for a receiver with a limited-accuracy oscillator
09/2001
09/27/2001WO2001028150A3 Method and apparatus for eliminating the effects of frequency offsets in a digital communication system
09/26/2001EP1137178A1 Circuit comprising a filter and method for operating a circuit comprising a filter
09/26/2001CN1315092A Method and apparatus for wireless reception
09/26/2001CN1315082A Wideband receiver and channel scanning method
09/26/2001CN1314752A Correcting method for frequency tracking of local oscillator of radio equipment receiver
09/20/2001WO2001069773A1 Voltage controlled crystal oscillator temperature compensating circuit
09/20/2001US20010022539 Electronic circuit
09/20/2001DE10011260A1 Transmitted information recording method has reception and evaluation circuit supplied with clocked energy during monitoring mode used for detection of information identification key
09/19/2001EP1134919A2 Receiver for receiving broadcast signals comprising a frequency scanning means
09/19/2001EP1134897A1 Intelligent software controlled correction of frequency tracking for a local oscillator of a receiver of a wireless device
09/19/2001EP1133826A1 Frequency-stabilised transmitting/receiving arrangement
09/19/2001EP1133825A2 Methods and systems for frequency generation for wireless devices
09/17/2001CA2335212A1 Intelligent software controlled correction of frequency tracking for a local oscillator of a receiver of a wireless device
09/13/2001WO2001067655A2 Method for recording information that is transmitted via a radio frequency
09/13/2001WO2001017117A3 Channel encoding and decoding method and apparatus
09/11/2001US6289208 Radio receiver
09/11/2001US6289061 Wideband frequency tracking system and method
09/07/2001WO2001065702A2 A modulation scheme for fdd/tdd transceivers
09/05/2001EP0901664B1 Method and device for the contactless transmission of energy or data
09/04/2001US6285864 Method for adjustment of a transmitter carrier frequency in a subscriber station of a point-to-multipoint radio transmission system
08/2001
08/29/2001CN1310570A Clock generator and digital or telephone portable terminal using with the same clock generator
08/28/2001US6282500 Accumulated phase measurement using open-loop phase estimation
08/28/2001US6282249 Satellite receiver
08/28/2001US6281946 Television receiver
08/23/2001WO2001061874A1 Digital broadcast receiver
08/23/2001WO2001061850A1 Tunable filter, combiner and methods of characterizing and tuning said filter
08/23/2001US20010015995 Radio and communication method using a transmitted intermediate frequency
08/21/2001US6278867 Methods and systems for frequency generation for wireless devices
08/21/2001US6278865 Receiver and method for measuring the frequency difference between a turning frequency and a transmission frequency
08/21/2001US6278746 Timing recovery loop circuit in a receiver of a modem
08/16/2001US20010014590 Portable telephone apparatus and stablly supplying method of reference frequency
08/14/2001US6275699 Mobile communication terminal for rapid adjustment of a reference frequency to a target frequency
08/09/2001WO2001058029A1 Radio fm receiver
08/09/2001DE10003340A1 Schaltungsanordnung zum selbsttätigen Sendersuchen und Feinabstimmen einer Empfängervorrichtung Circuitry for automatic station search and fine tuning a receiver device
08/08/2001EP0960472A4 Method and system for controlling frequency
08/08/2001CN1307683A Satellite positioning reference system and method
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