Patents
Patents for H03J 5 - Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner (3,151)
10/2008
10/28/2008US7443248 Apparatus and method for phase lock loop gain control using unit current sources
10/15/2008CN201134788Y 选频器 Frequency Selector
10/14/2008US7437134 Tuner arrangement
10/14/2008US7437133 Radio frequency tuner front end and tuner
10/07/2008US7432989 Television tuner in which unnecessary radiation is reduced
10/01/2008CN201127020Y Wireless same-frequency directly discharging station frequency selector based on digital intermediate frequency
10/01/2008CN101278480A Multiple frequency source system and method of operation
09/2008
09/23/2008US7427907 Boosted-bias tunable filter with dynamic calibration
09/17/2008EP1871648B1 Passive entry and immobilizer at different frequencies using same antenna coil
09/17/2008CN100420287C Selecting apparatus and selecting method
09/17/2008CN100419440C Low-loss tunable ferro-electric device and method of characterization
09/04/2008US20080214137 Receiver For Wireless Communications
08/2008
08/26/2008US7418247 Radio-frequency receiver
08/20/2008EP1380106B1 Tunable matching circuit
07/2008
07/24/2008US20080174361 Apparatus and method for phase lock loop gain control using unit current sources
07/17/2008WO2008085986A1 Multiband or multimode receiver with shared bias circuit
07/16/2008EP1803217B1 Local oscillator circuit for a multiband digital audio broadcast receiver
07/16/2008CN101222214A Apparatus and method for tuning a band pass filter
07/10/2008WO2008081629A1 Variable capacitance circuit
07/08/2008US7397319 Apparatus and method for phase lock loop gain control
07/01/2008US7394430 Wireless device reconfigurable radiation desensitivity bracket systems and methods
06/2008
06/25/2008CN100397793C Radio-frequency receiver and integrated circuit for use in receiver
06/19/2008US20080147135 Filter circuit with variable capacitance for use with implantable medical devices
06/18/2008EP1933553A1 High-frequency circuit in which high-frequency filter is parallel installed to integrated circuit
06/11/2008CN101197740A Automatic frequency channel distribution method of wireless network system
06/10/2008CA2295292C Multiple mode direct conversion receiver
06/05/2008WO2008065003A1 Electronic device for radio frequency identification and method for adjusting the resonance frequency of said electronic device
06/04/2008CN100391700C Four freedom degree vacuum tuner
05/2008
05/28/2008CN100391242C Integrated circuit of mobile television receiver and mobile TV receiver
05/21/2008CN101184253A Method for altering frequency stepping of high-frequency tuner
05/21/2008CN100389604C Electronic regulating system of TV signal tuner
05/15/2008WO2008056581A1 Synthesizer module
05/14/2008EP1921755A2 Electronic tuner and portable telephone device using the same
05/07/2008CN101174507A Low-loss adjustable ferroelectric device and its characterization method
05/06/2008USRE40292 Bandpass filter
04/2008
04/30/2008CN101170110A Semiconductor, antenna possessing the semiconductor and frequency tuning circuit
04/29/2008US7366487 Receiving band switching circuit with reduced signal loss upon switching receiving band
04/23/2008EP1914984A2 Method of tuning according to varying length of key input and broadcast receiving using the same
04/22/2008US7363648 Cable modem tuner
04/16/2008EP1911159A1 Multiple frequency source system and method of operation
04/08/2008US7355485 Apparatus and method for phase lock loop gain control using unit current sources
04/02/2008CN100379157C High frequency receiving device, integrated circuit used for same, and TV receiver using them
04/01/2008CA2380923C Method and apparatus for multiple band voltage controlled oscillator with noise immunity
03/2008
03/25/2008US7349034 Television tuner using integrated circuit
03/19/2008CN201039102Y Electronic tuner of line board for multi-media receiving device
03/19/2008CN100376087C PLL circuit and TV receiver using it, and improvement in beat of TV receiver
03/12/2008EP1307963B1 High frequency input stage
03/11/2008US7343142 Tuner
03/06/2008WO2008026696A1 Iboc broadcast receiver
03/06/2008WO2008026695A1 Radio broadcast receiver and radio broadcast seek method
03/06/2008US20080060023 Apparatus for Selected Provision of Linear and/or Circular Polarity Signals
03/06/2008CA2662106A1 Iboc broadcast receiver
03/06/2008CA2662103A1 Radio broadcasting receiver and method for seeking radio broadcasting
03/05/2008CN101136618A Tunable ferro-electric filter
02/2008
02/28/2008WO2006040538A3 Apparatus for selected provision of linear and/or circular polarity signals
02/27/2008CN101132493A Integrated tuner apparatus, systems, and methods
02/13/2008EP1886411A1 Method and apparatus for distributing multiple signal inputs to multiple integrated circuits
02/12/2008US7330708 Tuning circuit with amplitude attenuation function and integrated circuit for radio communication apparatus
02/12/2008CA2311411C System for processing broadcasted signals
02/07/2008US20080030625 3 Band Tv-Rf Input Circuit
02/06/2008CN100367667C 通信终端装置 The communication terminal apparatus
02/05/2008US7327993 Low leakage local oscillator system
02/05/2008US7327406 Methods and apparatus for implementing a receiver on a monolithic integrated circuit
02/05/2008CA2371151C Control device for an aircraft communication system, in particular a transport plane
01/2008
01/17/2008US20080012986 CMOS integrated super-heterodyne television receiver with multiple signal paths
01/08/2008US7317364 Varactor tuning for a narrow band filter including an automatically controlled tuning system
01/02/2008EP1871648A1 Passive entry and immobilizer at different frequencies using same antenna coil
12/2007
12/20/2007DE102006027419A1 Circuit arrangements for digital coarse adjustment of voltage-controlled oscillator and oscillation frequency adjustment of oscillator, has field effect transistors connected to secondary connection with reference potential
12/13/2007WO2007141932A1 Antenna input tuning circuit
12/12/2007EP0725489B1 Broadcast receiving system having position sensing means for moving bodies
12/06/2007US20070279533 Receiver apparatus
12/05/2007CN101083730A Receiver apparatus
12/05/2007CN100353754C Improvement of video frequency response
12/05/2007CN100353663C Input circuit for television tuner
12/04/2007US7305221 Intermediate frequency circuit of television tuner
11/2007
11/27/2007US7301414 PLL circuit, radio-communication equipment and method of oscillation frequency control
11/22/2007US20070268076 Apparatus and method for phase lock gain control using unit current sources
11/20/2007US7299029 Method of operating radio receiver implemented in a single CMOS integrated circuit
11/20/2007US7299018 Receiver comprising a digitally controlled capacitor bank
11/20/2007US7298426 Television tuner having variable gain reduction
11/13/2007US7295251 Television tuner capable of improving image disturbance with receiving UHF band
11/08/2007WO2007125660A1 Broadcast receiving apparatus
10/2007
10/31/2007EP1850480A1 Television tuner integrated circuit and television tuner for attenuating interference signal
10/31/2007DE102006019587A1 High frequency input circuit and tuner-integrated circuit comparing method, involves using digital level meter for mass comparison and also for comparison incase of service, and measuring level of channel and inputting evaluation circuit
10/30/2007US7289780 Band switchable type tuning circuit of television signal
10/30/2007US7289167 Television tuner including distribution connectors
10/25/2007US20070247238 Apparatus and method for phase lock loop gain control
10/17/2007EP1120962B1 Television receiver and method of channel selection
10/16/2007US7283796 Electronic tuning system
10/16/2007US7283795 Receiver device having improved selectivity characteristics
10/16/2007US7282383 Micromachine production method
10/09/2007US7280163 Direct conversion tuner capable of receiving digital television signals in UHF band and VHF band
10/09/2007US7279994 Variable capacitance circuit having on/off switch for variable capacitance function, and voltage controlled oscillator using the variable capacitance circuit
10/04/2007US20070229716 Methods and apparatus for implementing a receiver on a monolithic integrated circuit
10/03/2007CN101047369A Broadcast tuning equipment and its method
10/03/2007CN100341251C Low leakage local oscillator system
09/2007
09/26/2007CN101043210A Radio frequency tuner
09/25/2007US7274919 Radiofrequency transmitter and/or receiver
09/19/2007CN100338874C Resonator configuration
09/18/2007US7271667 Apparatus and method for phase lock loop gain control using unit current sources
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