Patents
Patents for H03J 7 - Automatic frequency control; Automatic scanning over a band of frequencies (3,745)
12/2006
12/21/2006DE19748654B4 Halbleiterspeicher und Empfängersystem The semiconductor memory and the receiver system
12/20/2006EP0955771B1 Television receiver
12/14/2006WO2006132570A1 A tunable circuit arrangement and a method for providing such an arrangement
12/13/2006CN1879307A Wireless receiver and wireless transmitter
12/13/2006CN1879302A Receiving apparatus
12/12/2006US7148755 System and method to adjust voltage
12/07/2006US20060276223 Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device
12/06/2006CN1874151A Method for scanning channels
12/05/2006US7146140 Quadrature oscillator and methods thereof
11/2006
11/30/2006DE102005024624B3 Circuit arrangement for generating reference signals, has phase controlled filter between oscillator generator and frequency multiplier, where filter has phase detector and phase controller to set up constant transmission phase of filter
11/23/2006WO2006122862A1 Method for selecting audio contents received from an audio or audio-visual receiver and receiver selecting the contents in accordance with the method
11/21/2006US7139541 Radio transmission device and method for aligning parameters thereof
11/16/2006WO2006003080A3 Battery pack
11/15/2006CN1864329A Energy storage device for loads having variable power rates
11/02/2006US20060246861 Regenerative divider for up and down conversion of radio frequency (rf) signals
10/2006
10/31/2006US7130599 Quadrature generator with image reject mixer
10/31/2006US7130597 Receiver having high-frequency amplifier circuit portions integrally formed on a semiconductor substrate
10/24/2006US7127010 Oscillator controlling
10/19/2006US20060234737 Method and arrangement for frequency synchronization of a mobile station with a base atation in a mobile communication system
10/17/2006US7123310 Digital/analog television signal receiver using analog signal channel fine-tuning data for setting digital signal channels
10/11/2006EP1710915A1 If counting method
10/10/2006US7120416 Semiconductor device and receiver
10/04/2006EP1708444A2 Radio-frequency communication control system
10/04/2006EP1707978A2 Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device
10/03/2006US7116953 Local oscillator using I/Q mismatch compensating circuit through LO path receiver using thereof
09/2006
09/26/2006US7113751 Frequency tuning of radio transceivers
09/26/2006US7113139 Tunable antenna circuit, particularly for contactless integrated circuit reader
09/21/2006WO2006099532A2 Automatic frequency control for a wireless communication system with multiple subcarriers
09/21/2006CA2600489A1 Automatic frequency control for a wireless communication system with multiple subcarriers
09/13/2006CN1275385C Method for optimizing the level of RF signals by comparing quality of the RF signals under different operation modes
09/08/2006WO2006094140A1 Dual-loop automatic frequency control for wireless communication
09/05/2006US7103338 Initial frequency synchronization mechanism
08/2006
08/29/2006US7099642 Method and apparatus for matching receiver carrier frequency
08/29/2006US7099639 Automatic frequency control apparatus for determining loop gain constant based on absolute phase error
08/29/2006US7098752 Circuit arrangement for generating a reference current and oscillator circuit having the circuit arrangement
08/29/2006US7098749 Reference oscillator
08/24/2006DE112005000067T5 Empfangsgerät Receiving set
08/22/2006US7095815 Receiver and method for initial synchronization of a receiver with the carrier frequency of a desired channel
08/17/2006US20060181355 Transformer-based VCO for both phase noise and tuning range improvement in bipolar technology
08/17/2006DE102005039507A1 Programmdiversity Program Diversity
08/15/2006US7092685 Method for tuning a radio filter and a system for tuning a radio filter
08/10/2006DE10339703B4 Schaltungsanordnung für einen hochauflösenden digital steuerbaren Schwingkreis Circuit arrangement for a high resolution digitally controlled oscillator
08/09/2006CN1816966A Method and arrangement for frequency synchronisation of a mobile station with a base station in a mobile communication system
08/09/2006CN1269308C Method for calibrating frequency of HF-oscillator in mobile part of mobile communication device
08/08/2006US7088974 Mobile station capable of performing automatic frequency control based on correspondence of frequency error and TCXO control voltage to base station
08/03/2006US20060170828 Integrated circuit for a mobile television receiver
08/02/2006CN1812273A Apparatus and method for automatically converting broadcast channel using GPS
08/02/2006CN1267746C Method and apparatus for acquiring satellite positioning system signals
07/2006
07/27/2006US20060166639 Superheterodyne circuit with band-pass filter for channel selection
07/20/2006WO2006075779A1 Radio communication equipment
07/20/2006US20060160507 GPS receiver in moblie communications devices
07/20/2006DE202005020723U1 Stereo system e.g. for vehicles, has stereo system and positioning module computing vehicle location with memory storing transmitted data records
07/19/2006CN1805280A Signal search method
07/18/2006US7080393 Receiver having a preset tuner
07/18/2006CA2212360C Enhanced system and method for implementing a back-up control channel in a cellular telecommunication network
07/13/2006WO2006073013A1 Wireless receiver and wireless transmitter
07/12/2006CN1801904A Apparatus and method for tuning a broadcast channel
07/11/2006US7076215 Transmitter-receiver
07/06/2006WO2006070234A1 Vco gain tuning using voltage measurements and frequency iteration
07/06/2006WO2006070224A1 Vco center frequency tuning and limiting gain variation
07/04/2006US7072629 Method for recording information transmitted over a radio frequency
06/2006
06/28/2006EP1673846A1 Inductively powered power transfer system with one or more independently controllable loads
06/22/2006WO2006063619A1 Frequency generation in a wireless communication unit
06/22/2006DE102004014924B4 Frequency control method for automatic control of frequencies in a wide-band code division multiple access receiver takes the mean of a frequency shift measurement over a time band
06/14/2006CN1787387A Auto frequency deviation correcting method and its apparatus and receiver of using same method
06/08/2006DE102005057490A1 Autoradio-Empfangsvorrichtung, sowie Verfahren und Programm zu deren Betrieb Car radio receiving apparatus and method and program for its operation
06/07/2006EP1666995A2 Radio controlled timepiece
06/07/2006EP1665591A1 Radio receiver device comprising an input interface for frequency list data
06/07/2006EP1111781B1 Method and apparatus for digital broadcast channel selection
06/07/2006CN1783714A On-vehicle radio receiving device, method and program
06/07/2006CN1258911C Receiving device and channel setting method
06/07/2006CN1258872C Entertainment receiver activated in response to received program content and method of operating receiver
06/06/2006US7058378 Method and apparatus for automatic frequency correction of a local oscilator with an error signal derived from an angle value of the conjugate product and sum of block correlator outputs
06/01/2006US20060116099 System and method for discovering frequency related spurs in a multi-conversion tuner
05/2006
05/31/2006EP1092292B1 Apparatus and method for protecting a communication device operating in an undesirable environment
05/26/2006WO2006054390A1 Channel detecting device, and tuner testing device having the channel detecting device
05/25/2006US20060109835 Radio-corrected timepiece
05/23/2006US7049902 Tunable high-order bessel low pass filter
05/23/2006CA2293814C Method and apparatus for band-adaptive demodulation
05/17/2006CN1256809C Method and apparatus for compensating local oscillatory frequency error through environmental control
05/16/2006US7046968 Frequency correcting method for cellular phone terminal
05/10/2006EP0956644B1 Automatic frequency control circuit
05/09/2006US7043216 Portable radio terminal and AFC control method
05/03/2006EP1653616A2 A method and system for frequency feedback adjustment in digital receivers
05/03/2006EP1032988B1 Apparatus for low power radio communications
05/03/2006EP0728385B1 Frequency error correction in a satellite-mobile communications system
05/03/2006CN1767382A Voltage control device and method for voltage control oscillator
05/02/2006US7039127 Digital broadcast receiving apparatus
04/2006
04/27/2006US20060087368 Highly selective filtering device and corresponding filtering method
04/27/2006DE4422998B4 Verfahren zur TV-Kanalauswahl Process for the TV channel selection
04/25/2006US7035614 System and method for discovering frequency related spurs in a multi-conversion tuner
04/25/2006US7035605 Method and device for automatic control of the frequency of a local oscillator in a DS-CDMA type receiver
04/25/2006US7035596 Multi-mode cellular phone terminal
04/20/2006DE19956470B4 Verfahren und digitaler Funkempfänger zum automatischen Suchen von Kanälen Method and digital radio receiver for automatic search of channels
04/19/2006CN1761161A Radio set and control method
04/19/2006CN1252950C Frequency selection method and receiver
04/19/2006CN1252490C Satellite positioning reference system and method
04/18/2006US7030711 Centering a multi-band voltage controlled oscillator
04/13/2006US20060080712 Television tuner
04/12/2006EP1645033A1 Method and arrangement for frequency synchronisation of a mobile station with a base station in a mobile communication system
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 ... 38