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) |
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10/28/2008 | US7443248 Apparatus and method for phase lock loop gain control using unit current sources |
10/15/2008 | CN201134788Y 选频器 Frequency Selector |
10/14/2008 | US7437134 Tuner arrangement |
10/14/2008 | US7437133 Radio frequency tuner front end and tuner |
10/07/2008 | US7432989 Television tuner in which unnecessary radiation is reduced |
10/01/2008 | CN201127020Y Wireless same-frequency directly discharging station frequency selector based on digital intermediate frequency |
10/01/2008 | CN101278480A Multiple frequency source system and method of operation |
09/23/2008 | US7427907 Boosted-bias tunable filter with dynamic calibration |
09/17/2008 | EP1871648B1 Passive entry and immobilizer at different frequencies using same antenna coil |
09/17/2008 | CN100420287C Selecting apparatus and selecting method |
09/17/2008 | CN100419440C Low-loss tunable ferro-electric device and method of characterization |
09/04/2008 | US20080214137 Receiver For Wireless Communications |
08/26/2008 | US7418247 Radio-frequency receiver |
08/20/2008 | EP1380106B1 Tunable matching circuit |
07/24/2008 | US20080174361 Apparatus and method for phase lock loop gain control using unit current sources |
07/17/2008 | WO2008085986A1 Multiband or multimode receiver with shared bias circuit |
07/16/2008 | EP1803217B1 Local oscillator circuit for a multiband digital audio broadcast receiver |
07/16/2008 | CN101222214A Apparatus and method for tuning a band pass filter |
07/10/2008 | WO2008081629A1 Variable capacitance circuit |
07/08/2008 | US7397319 Apparatus and method for phase lock loop gain control |
07/01/2008 | US7394430 Wireless device reconfigurable radiation desensitivity bracket systems and methods |
06/25/2008 | CN100397793C Radio-frequency receiver and integrated circuit for use in receiver |
06/19/2008 | US20080147135 Filter circuit with variable capacitance for use with implantable medical devices |
06/18/2008 | EP1933553A1 High-frequency circuit in which high-frequency filter is parallel installed to integrated circuit |
06/11/2008 | CN101197740A Automatic frequency channel distribution method of wireless network system |
06/10/2008 | CA2295292C Multiple mode direct conversion receiver |
06/05/2008 | WO2008065003A1 Electronic device for radio frequency identification and method for adjusting the resonance frequency of said electronic device |
06/04/2008 | CN100391700C Four freedom degree vacuum tuner |
05/28/2008 | CN100391242C Integrated circuit of mobile television receiver and mobile TV receiver |
05/21/2008 | CN101184253A Method for altering frequency stepping of high-frequency tuner |
05/21/2008 | CN100389604C Electronic regulating system of TV signal tuner |
05/15/2008 | WO2008056581A1 Synthesizer module |
05/14/2008 | EP1921755A2 Electronic tuner and portable telephone device using the same |
05/07/2008 | CN101174507A Low-loss adjustable ferroelectric device and its characterization method |
05/06/2008 | USRE40292 Bandpass filter |
04/30/2008 | CN101170110A Semiconductor, antenna possessing the semiconductor and frequency tuning circuit |
04/29/2008 | US7366487 Receiving band switching circuit with reduced signal loss upon switching receiving band |
04/23/2008 | EP1914984A2 Method of tuning according to varying length of key input and broadcast receiving using the same |
04/22/2008 | US7363648 Cable modem tuner |
04/16/2008 | EP1911159A1 Multiple frequency source system and method of operation |
04/08/2008 | US7355485 Apparatus and method for phase lock loop gain control using unit current sources |
04/02/2008 | CN100379157C High frequency receiving device, integrated circuit used for same, and TV receiver using them |
04/01/2008 | CA2380923C Method and apparatus for multiple band voltage controlled oscillator with noise immunity |
03/25/2008 | US7349034 Television tuner using integrated circuit |
03/19/2008 | CN201039102Y Electronic tuner of line board for multi-media receiving device |
03/19/2008 | CN100376087C PLL circuit and TV receiver using it, and improvement in beat of TV receiver |
03/12/2008 | EP1307963B1 High frequency input stage |
03/11/2008 | US7343142 Tuner |
03/06/2008 | WO2008026696A1 Iboc broadcast receiver |
03/06/2008 | WO2008026695A1 Radio broadcast receiver and radio broadcast seek method |
03/06/2008 | US20080060023 Apparatus for Selected Provision of Linear and/or Circular Polarity Signals |
03/06/2008 | CA2662106A1 Iboc broadcast receiver |
03/06/2008 | CA2662103A1 Radio broadcasting receiver and method for seeking radio broadcasting |
03/05/2008 | CN101136618A Tunable ferro-electric filter |
02/28/2008 | WO2006040538A3 Apparatus for selected provision of linear and/or circular polarity signals |
02/27/2008 | CN101132493A Integrated tuner apparatus, systems, and methods |
02/13/2008 | EP1886411A1 Method and apparatus for distributing multiple signal inputs to multiple integrated circuits |
02/12/2008 | US7330708 Tuning circuit with amplitude attenuation function and integrated circuit for radio communication apparatus |
02/12/2008 | CA2311411C System for processing broadcasted signals |
02/07/2008 | US20080030625 3 Band Tv-Rf Input Circuit |
02/06/2008 | CN100367667C 通信终端装置 The communication terminal apparatus |
02/05/2008 | US7327993 Low leakage local oscillator system |
02/05/2008 | US7327406 Methods and apparatus for implementing a receiver on a monolithic integrated circuit |
02/05/2008 | CA2371151C Control device for an aircraft communication system, in particular a transport plane |
01/17/2008 | US20080012986 CMOS integrated super-heterodyne television receiver with multiple signal paths |
01/08/2008 | US7317364 Varactor tuning for a narrow band filter including an automatically controlled tuning system |
01/02/2008 | EP1871648A1 Passive entry and immobilizer at different frequencies using same antenna coil |
12/20/2007 | DE102006027419A1 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 |
12/13/2007 | WO2007141932A1 Antenna input tuning circuit |
12/12/2007 | EP0725489B1 Broadcast receiving system having position sensing means for moving bodies |
12/06/2007 | US20070279533 Receiver apparatus |
12/05/2007 | CN101083730A Receiver apparatus |
12/05/2007 | CN100353754C Improvement of video frequency response |
12/05/2007 | CN100353663C Input circuit for television tuner |
12/04/2007 | US7305221 Intermediate frequency circuit of television tuner |
11/27/2007 | US7301414 PLL circuit, radio-communication equipment and method of oscillation frequency control |
11/22/2007 | US20070268076 Apparatus and method for phase lock gain control using unit current sources |
11/20/2007 | US7299029 Method of operating radio receiver implemented in a single CMOS integrated circuit |
11/20/2007 | US7299018 Receiver comprising a digitally controlled capacitor bank |
11/20/2007 | US7298426 Television tuner having variable gain reduction |
11/13/2007 | US7295251 Television tuner capable of improving image disturbance with receiving UHF band |
11/08/2007 | WO2007125660A1 Broadcast receiving apparatus |
10/31/2007 | EP1850480A1 Television tuner integrated circuit and television tuner for attenuating interference signal |
10/31/2007 | DE102006019587A1 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 |
10/30/2007 | US7289780 Band switchable type tuning circuit of television signal |
10/30/2007 | US7289167 Television tuner including distribution connectors |
10/25/2007 | US20070247238 Apparatus and method for phase lock loop gain control |
10/17/2007 | EP1120962B1 Television receiver and method of channel selection |
10/16/2007 | US7283796 Electronic tuning system |
10/16/2007 | US7283795 Receiver device having improved selectivity characteristics |
10/16/2007 | US7282383 Micromachine production method |
10/09/2007 | US7280163 Direct conversion tuner capable of receiving digital television signals in UHF band and VHF band |
10/09/2007 | US7279994 Variable capacitance circuit having on/off switch for variable capacitance function, and voltage controlled oscillator using the variable capacitance circuit |
10/04/2007 | US20070229716 Methods and apparatus for implementing a receiver on a monolithic integrated circuit |
10/03/2007 | CN101047369A Broadcast tuning equipment and its method |
10/03/2007 | CN100341251C Low leakage local oscillator system |
09/26/2007 | CN101043210A Radio frequency tuner |
09/25/2007 | US7274919 Radiofrequency transmitter and/or receiver |
09/19/2007 | CN100338874C Resonator configuration |
09/18/2007 | US7271667 Apparatus and method for phase lock loop gain control using unit current sources |