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)
09/2003
09/17/2003EP1345324A2 Tuner
09/17/2003CN1443005A Digital CATV tuning apparatus
09/16/2003US6621365 Method and apparatus providing a dual mode VCO for an adaptive receiver
09/16/2003US6621362 Varactor based differential VCO band switching
09/11/2003US20030172379 Digital CATV tuner
09/09/2003US6618581 Radio with pre-selected locked channels for children
09/03/2003CN1440122A Demodulating tuner for converting TV signal into orthogonal amplitude
09/03/2003CN1120570C 可调谐接收机 Tunable Receiver
09/03/2003CN1120546C VHF/UHF self-tuning planar antenna system
08/2003
08/28/2003US20030160904 Tuner that can convert television signal to signal suitable for QAM demodulation
08/27/2003CN1439195A Self-adaptivve frequency band-pass filering device in microwave signal transceiver
08/21/2003US20030157920 Radio that remembers adjustment settings
08/20/2003EP1337042A1 Television tuner
08/14/2003WO2003067774A1 Semiconductor integrated circuit for radio apparatus and radio communication apparatus
08/13/2003CN1118135C Device and method for producing conversion signal for mixer
08/06/2003EP1036434B1 Automatic gain-controlled vhf/uhf antenna tuning apparatus
07/2003
07/24/2003US20030137608 Tuner integrated circuit and television tuner using the same circuit
07/23/2003EP1330030A1 Integrated tuner circuit
07/23/2003CN1115786C Arrangement in communication system
07/23/2003CN1115773C Multiple preamplifier circuit for TV tuner
07/17/2003US20030133049 Tuner arrangement and set top box
07/17/2003US20030133048 Tv tuner unit having a resonance network
07/17/2003US20030133047 Integrated tuner circuit and television tuner using an integrated tuner circuit
07/17/2003US20030132819 Radio-frequency input stage
07/17/2003US20030132455 Methods and apparatus for implementing a receiver on a monolithic integrated circuit
07/16/2003EP1328064A1 Integrated television tuner circuit
07/15/2003US6593835 Multiple-tuning circuit of tuner preventing selection characteristic deterioration
07/15/2003US6593826 Wireless phone system with voltage controlled oscillator
07/09/2003EP1325558A1 Resonator configuration
07/02/2003EP1323232A1 Element made of acoustic active material
06/2003
06/24/2003US6583675 Apparatus and method for phase lock loop gain control using unit current sources
06/18/2003EP1036459B1 System for processing broadcasted signals
06/18/2003CN1111970C Arrangement for tuning resonant circuit for both super high frequency and for super high frequency
06/18/2003CN1111969C Digital broadcasting receiver and its receiving method
06/11/2003EP1205027B1 Tuning method for a radio receiver, especially a television signal receiver, and a corresponding radio receiver
06/04/2003EP1317073A1 Tuner arrangement and set top box
06/03/2003US6573949 Television signal receiving tuner with frequency-modulation broadcast-band attenuation circuit
05/2003
05/29/2003US20030100272 Self-adaptive frequency band-pass filtering device in microwave signal transceiver
05/28/2003CN1110126C Buffering high-frequency tuned amplifier
05/21/2003CN1419343A Tuner containing voltage adapter
05/15/2003US20030092409 Tuner comprising a voltage converter
05/14/2003EP1311065A1 Tuner comprising a voltage converter
05/14/2003CN1418378A Electronic component comprising variable capacitance diodes, use of said component in receiving unit and circuit arrangement comprising said component
05/14/2003CN1108721C Mobile radio communication apparatus
05/14/2003CN1108684C System for processing broadcast signals
05/07/2003EP1307963A1 High frequency input stage
05/07/2003CN1108066C Selective paging wireless receiver using direct conversion method
04/2003
04/30/2003CN1107377C Channel selecting method and apparatus
04/29/2003US6556054 Efficient transmitters for phase modulated signals
04/24/2003WO2003034715A2 Monolithic integrated circuit for a television receiver
04/24/2003US20030078018 Radio frequency tuner front end and tuner
04/24/2003US20030076449 Television tuner which has leveled a gain deviation in the same band
04/22/2003US6553216 RF tunable filter arrangement with tunable image trap
04/17/2003WO2002084778A3 Tunable phase shifter and applications for same
04/16/2003EP1301990A1 Receiver comprising a digitally controlled capacitor bank
04/10/2003US20030068997 Method for driving a receiver stage and respective apparatus
04/09/2003CN1105417C Tuning system for achieving quick acquisition times for digital satellite receiver
04/03/2003WO2000055970A3 A system and method for efficiently tuning to channels where a variety of different broadcast transmission types is being used
04/03/2003US20030062971 Band switchable filter
03/2003
03/27/2003US20030058061 Comprising a resonator, a voltage-sensitive capacitor; applying a variable voltage, changing the capacitance of the capacitor, changing the resonator frequency and shifting the passband characteristics of the filter
03/26/2003EP1296456A2 Radio frequency tuner front end and tuner
03/26/2003EP1295391A1 Self-adaptive frequency band-pass filtering device in microwave signal transceiver
03/25/2003US6538521 Voltage controlled oscillator
03/18/2003US6535722 Television tuner employing micro-electro-mechanically-switched tuning matrix
03/13/2003US20030048140 Electronic component containing capacitance diodes, the component in combination with a receiving unit, and circuit configuration containing the component
02/2003
02/26/2003EP1062803B1 Interactive selection system for a video decoder modulator channel
02/26/2003CN1399814A Method and apparatus for multiple band voltage controlled oscillator with noise immunity
02/25/2003US6525600 Bandpass filter
02/18/2003US6522870 Automatic gain-controlled VHF/UHF antenna tuning apparatus
02/13/2003US20030032398 Intermediate frequency planning in radio transmitters and receivers
02/06/2003WO2003010890A1 Receiver and its front-end circuit
02/06/2003US20030025579 IGFET and tuning circuit
02/05/2003EP1282239A1 Wide band tuner
02/05/2003EP1036425B1 Vhf/uhf self-tuning planar antenna system
01/2003
01/15/2003CN1391401A TV-set tuner
01/09/2003WO2003003596A1 Receiver
01/09/2003US20030007572 Channel selection apparatus
01/09/2003US20030006854 Circuits for use in radio communications
01/08/2003CN1390038A Television receiver tuner
01/07/2003US6505038 Method of driving a receiver stage and respective apparatus
01/03/2003WO2003001692A2 Low leakage local oscillator system
01/02/2003EP1271792A1 Low leakage local oscillator system
01/02/2003EP1271788A2 Circuits for use in radio communications
01/01/2003CN1097983C Two-band 25 channel cordless telephone system
12/2002
12/31/2002US6501513 Television signal receiving tuner
12/19/2002US20020190806 Multi-band voltage controlled oscillator circuit
12/18/2002EP1266410A1 Electronic component comprising variable capacitance diodes, use of said component in a receiving unit and a circuit arrangement comprising said component
12/12/2002US20020186326 Television tuner having simplified wiring for interconnection and having miniaturized integrated circuit
12/11/2002EP1265360A1 Integrated television tuner with a band switching circuit
12/04/2002EP1263138A1 Television tuner
11/2002
11/28/2002US20020176027 FM-broadcast-receivable television tuner for preventing adjacent-channel interference
11/28/2002US20020175878 Tunable matching circuit
11/28/2002US20020175863 Ferroelectric antenna and method for tuning same
11/27/2002EP1261126A2 Varactor based differential VCO with switchable frequency bands
11/26/2002US6486757 Double-tuned circuit of tuner featuring restrained degradation of selectivity
11/21/2002US20020171499 Varactor based differential VCO band switching
11/20/2002CN1381132A Channel selection apparatus
11/14/2002US20020167454 Tunable dipole antenna
11/14/2002US20020167451 Tunable waveguide antenna
11/14/2002US20020167447 Tunable monopole antenna
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