Patents
Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745)
08/2001
08/07/2001US6272430 GPS receiver and method for processing GPS signals
08/01/2001EP1120920A1 Wideband receiver and channel scanning method
07/2001
07/25/2001CN1305281A Control device and method of automatic frequency control in mobile communication system and mobile communication equipment using said device and method
07/25/2001CN1069006C Tuning system with DC-DC converter
07/19/2001WO2001052412A1 Radio receivers
07/19/2001US20010008543 Frequency error estimating apparatus and a frequency error estimating method
07/18/2001CN1068738C Method and apparatus for parking combiner filter and activating an alternate combiner filter at radio base station
07/17/2001US6262624 Phase delay based filter transconductance (Gm/C) compensation circuit
07/12/2001WO2001050698A1 Offset correction in a spread spectrum communication system
07/10/2001US6259399 GPS receivers and garments containing GPS receivers and methods for using these GPS receivers
07/04/2001EP1113636A1 Frequency error estimating device and frequency error estimating method
07/04/2001EP1112503A1 Accumulated phase measurement using open-loop phase estimation
06/2001
06/28/2001US20010005375 Communications apparatus, frequency control method for communications apparatus, and recording medium
06/27/2001EP1111830A1 Method and apparatus for wireless reception
06/27/2001EP1111781A1 Method and apparatus for digital broadcast channel selection
06/26/2001US6252734 Arrangement for reproducing a digital signal from a track on a magnetic record carrier having an equalizer filter in the form of a transconductance-capacitor filter
06/26/2001US6252635 Automatic tuning frequency or channel number installation
06/21/2001WO2001045257A1 Speeding up search tuning in television receivers
06/21/2001US20010004373 AFC control apparatus and method in mobile communication system and mobile communication equipment using the apparatus and method
06/20/2001EP1109313A2 AFC apparatus and method used a in mobile communication system
06/20/2001EP1108223A1 Method and apparatus for acquiring satellite positioning system signals
06/20/2001EP0850511B1 Transmission process in which a conversion oscillator signal is synthesised by means of a fractional n-phase-shift control loop
06/20/2001CN1300140A Communication apparatus, frequency control method for communication apparatus and recording medium
06/14/2001WO2000031870A8 Methods and systems for frequency generation for wireless devices
06/12/2001US6246727 Method and system for tuning resonance modules
06/07/2001WO2001015315A8 Method for regulating a frequency offset in a base-station receiver of a data communications system
06/05/2001US6243428 Method and apparatus for band-adaptive demodulation
05/2001
05/30/2001CN1297611A Method and apparatus for detecting frequency synchronization signal
05/30/2001CN1297610A LNB drift search system for DBS products
05/29/2001US6240147 Auto frequency control apparatus
05/23/2001EP0681775B1 Automatic tuning radio/tv using filtered seek
05/23/2001CN1066306C Method for alignment of analog circuit sections within integrated circuit
05/16/2001CN1295401A Demodulator for high-definition TV receiver
05/15/2001US6233442 High frequency apparatus with reduced adjusting error
05/15/2001US6233292 Digital communication device
05/15/2001US6233023 Automatic fine tuning circuit
05/15/2001CA2020387C Station selecting apparatus
05/09/2001EP1098437A2 Channel selection method and channel selection apparatus
05/08/2001US6230021 Digital cordless communication system with frequency deviation correction capability
05/08/2001US6229991 Method of and apparatus for automatic frequency control range extension
05/03/2001WO2001031774A1 Apparatus and method for changing crystal oscillator frequency
05/02/2001CN1065395C High frequency receiving apparatus
05/01/2001US6226505 Automatic frequency correction apparatus and method for radio calling system
05/01/2001US6226336 Method and apparatus for detecting a frequency synchronization signal
05/01/2001US6226335 Methods and apparatus for automatic frequency control in wireless receivers
05/01/2001CA2182710C Method and apparatus for automatic modulation calibration in a radio transmitter
04/2001
04/26/2001WO2001029980A1 Multi-mode communications system with efficient oscillator synchronization
04/26/2001CA2387769A1 Multi-mode communications system with efficient oscillator synchronization
04/25/2001EP1094622A1 Method for determining the frequency error on a local oscillator of a terminal
04/25/2001EP1094596A2 Quadrature receiver with a vco controlled by the demodulated bit-rate
04/25/2001CN1292947A Receiver for digital terrestrial broadcasting
04/25/2001CN1292606A Frequency modulation receiver especially for radio data processing system
04/24/2001US6223061 Apparatus for low power radio communications
04/19/2001WO2001028150A2 Method and apparatus for eliminating the effects of frequency offsets in a digital communication system
04/19/2001CA2825703A1 Method and apparatus for eliminating the effects of frequency offsets in a digital communication system
04/18/2001EP1092292A1 Apparatus and method for protecting a communication device operating in an undesirable environment
04/17/2001US6219108 Radio receiver detecting digital and analog television radio-frequency signals with single first detector
04/17/2001US6218896 Vectored demodulation and frequency estimation apparatus and method
04/12/2001WO2001026260A1 Method and apparatus for comparator tree structure for fast acquisition of offsets induced in a wireless receiver
04/11/2001EP1091512A1 FM Receiver, especially for RDS
04/11/2001CN1291376A Frequency synthesizer
04/11/2001CN1291005A Oscillator control
04/10/2001US6215829 Apparatus for selectively receiving carrier wave signals
04/10/2001US6215441 Satellite positioning reference system and method
04/05/2001WO2001024537A2 Method and apparatus for peak tracking a baseband signal
04/05/2001WO2001024420A1 Method and apparatus for in the field wireless device calibration
04/05/2001WO2001024415A1 Method and apparatus for offset cancellation in a wireless receiver
04/05/2001WO2001024376A1 Method and apparatus for identifying a pre-determined pattern from a received signal via correlation
04/05/2001WO2001024357A1 Method and apparatus for a frequency synthesizer having a compensated sigma delta modulator output signal
04/04/2001EP0928514A4 Receiver capable of demodulating multiple digital modulation formats
04/03/2001US6212397 Method and system for controlling remote multipoint stations
04/03/2001US6212367 Mobile telephone apparatus with tunable filter tuned to the transmit band
03/2001
03/29/2001WO2001022583A2 Pll with memory for electronic alignments
03/29/2001WO2000031870A9 Methods and systems for frequency generation for wireless devices
03/27/2001US6208290 GPS receiver utilizing a communication link
03/22/2001WO2001020862A1 Communication system
03/21/2001EP0811273B1 A receiver, an arrangement and a method for comparing two signals
03/21/2001CN1288331A Digital type modulation signal receiver
03/08/2001WO2001017311A1 Method and system for frequency spectrum resource allocation
03/08/2001WO2001017189A1 Timing synchronization and phase/frequency correction of qpsk signals
03/08/2001WO2001017171A1 Transmission and reception of tcp/ip data over a wireless communication channel
03/08/2001WO2001017117A2 Channel encoding and decoding method and apparatus
03/08/2001WO2001017110A1 Transceiver with local oscillator frequency settings using the demodulated bit rate
03/08/2001WO2001016744A1 Watchdog system that toggles power inputs
03/08/2001CA2386766A1 Timing synchronization and phase/frequency correction of qpsk signals
03/08/2001CA2386745A1 Transceiver with local oscillator frequency settings using the demodulated bit rate
03/08/2001CA2386744A1 Method and system for frequency spectrum resource allocation
03/08/2001CA2384303A1 Channel encoding and decoding method and apparatus
03/07/2001EP1081855A1 Synchronization method and apparatus of a communication receiver
03/07/2001EP0783810A4 Radio scanner and display system
03/07/2001CN1286825A Method and apparatus for estimating frequency offset
03/01/2001WO2001015315A1 Method for regulating a frequency offset in a base-station receiver of a data communications system
02/2001
02/22/2001DE19939811A1 Minimising frequency offset in receiver of base station of telecommunications system by calculating reference frequency from converter reference frequencies such that frequency offset is zero
02/21/2001CN1062403C Automatic frequency controlling method and circuit used for delaying detecting radio demodulating unit
02/20/2001US6192089 Electronic circuit and method for automatic frequency control
02/20/2001CA2296861C Television receiver for tuning a signal including a pilot signal
02/20/2001CA2296855C Receiving and demodulating a digital television signal
02/14/2001EP1075665A1 Satellite positioning reference system and method
02/14/2001CN1283896A Tuner with at least no. one and no. two frequency band
02/13/2001US6188716 Radio and communication method using a transmitted intermediate frequency
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