Patents
Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745)
08/2000
08/10/2000WO2000031870A3 Methods and systems for frequency generation for wireless devices
08/09/2000EP1025669A2 Method of measuring frequency difference, and receiver
08/09/2000EP1025642A1 Method and apparatus for compliance to multiple frequency plans
08/08/2000US6101369 Radio pager
08/08/2000US6100766 Correction circuit controlling sensitivities of an oscillator circuit and electronic device using the same
08/08/2000CA2071421C Automatic frequency control circuit
08/03/2000WO2000045512A1 Tuning arrangement
08/02/2000EP1024605A2 High-frequency switch
08/01/2000US6097244 Highly-linear continuous-time filter for a 3-volt supply with PLL-controlled resistor and digitally-controlled capacitor
07/2000
07/27/2000WO2000044097A1 Oscillator using calibration means
07/27/2000DE19818899C2 Digitaler Rundfunkempfänger The digital broadcasting receiver
07/25/2000US6094568 Radio receiver for receiving a main radio broadcast signal and a monolythic integrated circuit for use in such radio receiver
07/25/2000US6094236 Tuner circuit
07/20/2000WO2000042712A1 Receiver and method of reception
07/20/2000DE19860648A1 Frequency correction method for receiver with oscillator and mixer for input signal, involves synchronizing oscillator with divider frequency
07/19/2000CN1260934A Method of synchronization
07/18/2000US6091931 Frequency synthesis architecture in a satellite receiver
07/12/2000EP0729681B1 Apparatus and method for maximizing frequency offset tracking performance in a digital receiver
07/12/2000CN1260092A Clock regeneration circuit
07/06/2000DE19959172A1 Empfängervorrichtung mit Demodulator-Abgleich sowie Verfahren dazu Receiver device with demodulator matching and method therefor
07/05/2000CN1259251A Method and apparatus for band-adaptive demodulation
07/05/2000CN1259001A Wireless telephone transmitter/receiver
07/04/2000US6085075 Communication system, a communication device and a frequency synthesizer
06/2000
06/29/2000DE19854167A1 Frequenzstabilisierte Sende-/Empfangsschaltung A frequency-stabilized transmitting / receiving circuit
06/28/2000EP1012970A1 Frequency adjustment
06/27/2000US6081702 Method and apparatus for frequency control
06/27/2000US6081699 FM multiplex broadcasting receiver for receiving RDS and DARC signals
06/27/2000US6081696 Method and apparatus for controlling frequency of a multi-channel transmitter
06/27/2000US6081563 AFC circuit of digital demodulation device
06/22/2000WO2000036829A1 Method and apparatus for searching channels
06/22/2000WO2000036431A1 Method and apparatus for acquiring satellite positioning system signals
06/21/2000EP1010251A4 Temperature compensation circuit for a crystal oscillator
06/21/2000EP1010251A1 Temperature compensation circuit for a crystal oscillator
06/21/2000CN1257377A Circuit for generating automatic trimming control voltage
06/15/2000WO1998024204A3 Method of measuring frequency difference, and receiver
06/15/2000DE19956470A1 Automatic channel searching (ACS) in digital radio receiver, such as TV receiver, with sequential channel tuning
06/14/2000EP0649545B1 Virtual radio interface
06/14/2000CN1256562A Method of executive automatic frequency cotrol for mobile station during voice communication mode
06/13/2000US6075979 Radio receivers
06/07/2000EP1006659A1 Timer circuit, sequence generator arrangement, fractional-N PLL and method therefor
06/07/2000CN1256027A Tuning method and transceiver unit
06/06/2000US6072992 High-frequency device
06/02/2000WO2000031870A2 Methods and systems for frequency generation for wireless devices
06/02/2000WO2000031868A1 Frequency-stabilised transmitting/receiving arrangement
06/02/2000WO2000014972A3 Afc device and method of controlling reception frequency in a dual-mode terminal
05/2000
05/31/2000DE19948799A1 Verfahren und Gerät zur automatischen Frequenzregelungsbereichserweiterung Method and apparatus for automatic frequency control range extension
05/31/2000CN1254994A Method for automatic frequency control of moving station in waiting mode
05/30/2000US6069505 Digitally controlled tuner circuit
05/30/2000CA2206386C Automatic frequency control circuit
05/25/2000WO2000030312A1 Frequency correction in a pilot symbol assisted demodulator
05/25/2000WO2000030254A1 Receiver for digital terrestrial broadcasting
05/25/2000DE19852676A1 Vorrichtung zur Frequenzsynchronisation in einem Nachrichtenübertragungssystem A device for frequency synchronization in a communication system
05/24/2000EP1002365A1 Rds frequency replacement tests at low frequency minimum level
05/23/2000US6067332 Frequency searching method and digital audio broadcast receiver
05/18/2000WO2000028665A1 Frequency tuning for radio transceivers
05/17/2000EP1001523A1 Apparatus for frequency synchronisation in a communication system
05/17/2000EP0835553B1 Automatic local oscillator frequency stabilization process in radio receivers employing a wide-band tunable local dielectric-resonator oscillator and associated device
05/16/2000US6064867 Receiving apparatus with automatic frequency controlling
05/16/2000US6064336 GPS receiver utilizing a communication link
05/16/2000US6064270 System and method for compensating for reference frequency drift in a communications system
05/04/2000WO2000025427A1 Frequency synthesizer
05/02/2000CA2178198C Circuit for the acquisition of a carrier signal by applying a substitute pilot to a synchronous demodulator
05/02/2000CA2118810C Radio having a combined pll and afc loop and method of operating the same
04/2000
04/27/2000DE19845122A1 Resonance circuit alignment method
04/26/2000EP0995273A2 Am quality detector
04/26/2000CN1251492A Method and apparatus for extension of automatic refrequency control range
04/19/2000CN1251236A TV receiver
04/18/2000US6052571 Tuner for PSK or PAM data applications
04/18/2000US6052419 Frequency adjusting method for use with digital receiver and frequency adjusting circuit thereof
04/13/2000WO2000021206A1 Wideband receiver and channel scanning method
04/13/2000CA2346286A1 Wideband receiver and channel scanning method
04/06/2000WO2000019641A1 Apparatus for low power radio communications
04/05/2000EP0991189A2 Method of performing automatic frequency control in a mobile station during communication mode
04/05/2000EP0991188A2 Method of performing automatic frequency control in mobile station in waiting mode
04/05/2000EP0990340A1 Method of synchronization
04/05/2000CN1249583A Changeable frequency mode, voltage controlled oscillator and spread spectrum communication receiver thereby
04/04/2000US6046781 Automatic fine tuning of TV receiver for receiving both digital and analog TV signals
03/2000
03/29/2000EP0989706A1 Clock regeneration circuit
03/29/2000EP0989687A2 Automatic frequency control in a Rake receiver
03/28/2000CA2153283C Receiver with automatic frequency control
03/22/2000EP0986883A1 Method and apparatus for band-adaptive demodulation
03/21/2000US6041087 Information receiving system and an information receiving method using such a system
03/21/2000US6041083 Method and system for tuning resonance modules
03/16/2000WO2000014972A2 Afc device and method of controlling reception frequency in a dual-mode terminal
03/16/2000WO2000014881A1 Method of controlling free-running frequency of voltage-controlled oscillator
03/16/2000WO2000014553A1 Accumulated phase measurement using open-loop phase estimation
03/15/2000EP0986224A2 Attenuation and frequency offset estimation
03/15/2000EP0985316A2 Automatic installation
03/15/2000CN1050486C Linkable scan lists for television receiver
03/09/2000WO2000011925A2 Circuit for frequency synthesis and modulation and radio-telephone station
03/08/2000EP0983632A1 Sign-cross product automatic frequency control loop
03/08/2000EP0886921A4 Temperature compensation circuit for a crystal oscillator and method of providing same
03/08/2000CN1246989A Communication system, communication device and frequency synthesizer
03/07/2000US6035344 Data transfer apparatus which outputs data based upon a control signal
03/07/2000US6035185 Selective RF circuit with varactor tuned bandpass switched bandpass filters
03/07/2000CA2166229C Demodulator control system and a receiver capable of quickly acquiring a desired carrier wave
02/2000
02/29/2000US6032030 Process for storing of data of a received carrier frequency of a broadcast transmitter
02/22/2000US6029055 Frequency stabilization circuit using signal level threshold
02/22/2000CA2222575C Tuner for digital satellite receiver
02/22/2000CA2020839C Automatic fine tuning circuit
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