Patents for H03J 3 - Continuous tuning (1,764)
02/2015
02/24/2015US8965316 Fine gain tuning
02/05/2015US20150038101 Weakly coupled tunable rf receiver architecture
01/2015
01/27/2015US8943333 Large scale integrated circuit for dynamically changing resonant point
01/21/2015CN102577121B 精细增益调谐 Fine tuning gain
01/15/2015WO2015005106A1 Control circuit, resonance circuit, electronic device, control method, control program, and semiconductor element
01/08/2015WO2015001820A1 Method for setting resonance frequency in resonance circuit and variable reactance circuit
01/06/2015US8928431 Wideband analog lowpass filter
12/2014
12/10/2014CN104202020A 一种无功补偿装置及其控制方法 A non-reactive compensation devices and control method
11/2014
11/18/2014US8890633 Resonant circuit with automated trimming capabilities
11/13/2014US20140334362 Tunable diplexer
10/2014
10/14/2014US8860519 Device having inductor and memcapacitor
09/2014
09/16/2014US8836447 Tuner and front-end circuit thereof
09/09/2014US8831243 Method of and circuit for adjusting frequency of a driving signal of electronic horn by means of capacitor
09/02/2014CA2696413C Automatic antenna tuner system for rfid
08/2014
08/13/2014CN102326331B 调谐电路 Tuning circuit
08/06/2014CN103973265A 一种ODUflex通道带宽的无损调整方法和光传送网 One kind of non-destructive ODUflex channel bandwidth adjustment method and optical transport networks
07/2014
07/31/2014WO2014114843A1 Apparatus, method and a computer program for resonance tuning
07/30/2014CN203747766U 包括调谐网络的接收机和设备 Including the tuning network receivers and equipment
07/03/2014WO2014106095A1 Responding to local grid events and distributed grid events
07/01/2014US8767131 Semiconductor device and signal processing method thereof
06/2014
06/25/2014EP2747283A1 Resonant circuit with automated trimming capabilities
05/2014
05/28/2014CN203617975U 一种用于随钻电阻率测量的调频装置 An FM device resistivity measurement while drilling for
05/21/2014CN101711458B 用于无线电频率接收器的数字受控天线调谐电路 Digital receiver for a radio frequency controlled antenna tuning circuits
05/08/2014US20140128015 Direct Digital Conversion Tuner
04/2014
04/29/2014US8711288 Digital IF demodulator for video applications
04/15/2014US8699983 Six port linear network single wire multi switch transceiver
04/10/2014DE10106125B4 Kraftfahrzeugscheibe mit Antennenstrukturen Motor vehicle window with antenna structures
04/02/2014CN103701434A Frequency modulating device and method for measuring resistivity while drilling
03/2014
03/19/2014CN103647525A Driving circuit and driving method for improving scanning accuracy of YIG (yttrium iron garnet) filter
03/19/2014CN101552614B Single antenna tuning circuit used for near field communication equipment
02/2014
02/19/2014EP2698919A1 Integrated circuit
02/12/2014CN103580648A Passive transceiving common-frequency RFID system with triaxial closed-loop self-tuning function
02/11/2014US8649753 Method and system for using a microstrip to switch circuits in CMOS applications
01/2014
01/26/2014CA2821173A1 Methods and apparatus for tuning a communication device
01/25/2014CA2822138A1 Transceiver filter and tuning
01/22/2014CN103532520A Reactive power compensation device control method for preventing large-scale chain offline of wind generation sets
12/2013
12/22/2013CA2818148A1 Method and apparatus for controlling an antenna
12/18/2013EP1456940B1 Low noise oscillator
12/18/2013CN103457575A Tuning circuit
12/10/2013CA2582322C A varactor device with reduced temperature dependence
12/03/2013US8598992 Self-calibrating RFID transponder
12/03/2013US8598969 PCB-based tuners for RF cavity filters
11/2013
11/20/2013CN102077417B Antenna device
11/12/2013CA2558861C Impedance tuner systems and probes
10/2013
10/23/2013CN101933324B Tuner comprising IF filter with controllable damping stage and receiver comprising respective tuner
10/22/2013US8565704 Method and apparatus for compensating an oscillator in a location-enabled wireless device
10/02/2013CN203225721U Substitution circuit of FM intermediate-frequency transformer of automobile audio
09/2013
09/19/2013US20130244601 Radio frequency (rf) receiver with dynamic frequency planning and method therefor
09/03/2013CA2655619C Resonant circuit tuning system with dynamic impedance matching
08/2013
08/06/2013CA2581553C Auto-tuned rfid reader antenna
07/2013
07/10/2013EP2613177A1 Reverse frequency and time aiding
07/04/2013DE102012222907A1 Preiswertes Empfangsgerät mit integrierten Induktivitäten Cheap receiver with integrated inductors
06/2013
06/26/2013CN103178807A Tuned circuit and near-field payment equipment
06/06/2013DE102007004814B4 Güteanpassung eines Empfangsschaltkreises Quality adaptation of a receiving circuit
06/05/2013CN1879304B Phase-locked loop bandwidth calibration circuit and method thereof
05/2013
05/30/2013WO2013076353A1 Over-load protection of radio receivers
03/2013
03/27/2013EP2573904A2 Large signal voltage controlled oscillator
03/27/2013CN103004087A Varactor circuit and voltage-controlled oscillation
02/2013
02/20/2013EP2559161A1 Varactor circuit and voltage-controlled oscillation
02/13/2013EP2162986B1 Tuner circuit with loop through function
02/13/2013CN101573877B 前端电路 Front-end circuit
01/2013
01/30/2013EP2552025A1 System and method for reducing temperature-dependent and process-dependent frequency variation of a crystal oscillator circuit
12/2012
12/20/2012WO2012171475A1 Method and device for realizing clock recovery
12/13/2012DE102011077085A1 Steuerung einer kontaktlosen Energieübertragung mittels einer Kennlinie eines Schwingkreises Control of a contactless energy transfer by means of a characteristic of a resonant circuit
11/2012
11/21/2012CN1497778B Amplitude-modulation antenna of noise reduced
11/15/2012WO2012092236A3 Headphone antenna for radio communications device
11/14/2012EP2522074A1 Impedance circuit and method for signal transformation
11/14/2012CN102783024A Signal tuning with variable intermediate frequency for image rejection and methods
10/2012
10/31/2012CN102761719A Triple-conversion television tuner
10/10/2012CN202488412U Coupling circuit and double-tuned circuit
10/04/2012US20120249270 Providing Multiple Inductors For A Radio Tuner
09/2012
09/20/2012DE102012004384A1 Signal module for use in antenna module of access authorization unit of safety system i.e. keyless-go-system, of motor vehicle, has fine adjustment circuit coupled to adjusting connection, and capacitors connected to control connections
09/20/2012DE102008054539B4 Direktmischende Empfängerarchitektur mit integrierter Tunerselbstabstimmfunktion Direct conversion transceiver architecture with integrated Tunerselbstabstimmfunktion
09/12/2012CN202435357U Wideband high-power coupler for digital television transmitter
09/05/2012CN101427466B Receiver with tuner front end using tracking filters and calibration
08/2012
08/29/2012CN102651643A Frequency modulation device
08/22/2012CN102647200A Radio frequency front-end receiving device, emitting device and terminal
08/09/2012WO2012103679A1 Receiver circuit including tuning network
08/08/2012EP2485397A1 Filter device and control method therefor
08/07/2012US8237531 Tunable high quality factor inductor
08/01/2012CN102624411A Low frequency tuning antenna applicable to explosive detection
07/2012
07/24/2012US8227892 Multi-track integrated circuit inductor
07/11/2012CN102577121A Fine grain tuning
07/05/2012WO2012092236A2 Headphone antenna for radio communications device
07/04/2012CN101641864B Method for the reconstruction of a fault-reduced periodic voltage signal
06/2012
06/26/2012US8207802 Memory cell based array of tuning circuit
06/13/2012EP1604425B1 Resonator filter
06/13/2012CN101501991B Resonant circuit tuning system with dynamic impedance matching
06/07/2012US20120139519 Lossless inductor current sensing in a switch-mode power supply
06/05/2012US8195117 Integrated switchless programmable attenuator and low noise amplifier
05/2012
05/30/2012CN101578765B Variable capacitance circuit
05/29/2012US8188806 Tuner and transformer formed by printed circuit board thereof
05/24/2012DE102009030462B4 Dynamisch einstellbare Gütefaktoren Dynamically adjustable quality factors
05/23/2012EP2454813A1 Fine grain tuning
05/23/2012CN102474219A Improvements in the fine tuning of electronic oscillators
05/16/2012CN101594124B A coordinate tunable filter and a wireless communication front end circuit
05/09/2012EP2449673A1 Improvements in the fine tuning of electronic oscillators
05/09/2012CN101598933B Automatic tuning communication control method for digital arc suppression coil
05/03/2012WO2012058471A2 Package inductance compensating tunable capacitor circuit
04/2012
04/26/2012WO2012053983A1 Integrated circuit architecture with strongly coupled lc tanks
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