| Patents for H03H 5 - One-port networks comprising only passive electrical elements as network components (778) |
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| 06/04/2009 | US20090140824 Baluns, a fine balance and impedance adjustment module, a multi-layer transmission line, and transmission line NMR probes using same |
| 06/03/2009 | CN101447772A Step attenuator |
| 05/28/2009 | US20090134951 Broadband reciprocal active balun structure |
| 05/28/2009 | US20090134950 Passive component |
| 05/19/2009 | US7535313 Balun |
| 05/05/2009 | US7528675 Microstrip-type BALUN, broadcast receiving apparatus using the same and method of forming thereof |
| 04/28/2009 | US7526256 Transformer-based multi-band RF front-end architecture |
| 04/23/2009 | WO2008062311A3 Apparatus and methods for constructing and packaging waveguide to planar transmission line transitions for millimeter wave applications |
| 04/23/2009 | US20090102574 Matrix balun |
| 04/22/2009 | EP1987562A4 Inverted style balun with dc isolated differential ports |
| 04/22/2009 | EP1929577A4 Vertical inter-digital coupler |
| 04/02/2009 | US20090085689 Digitally tuned, integrated baluns with enhanced linearity for multi-band radio applications |
| 04/02/2009 | DE102007027612B4 Monolithisch integrierte Induktivität The monolithic integrated inductor |
| 04/01/2009 | CN201214317Y Circuit for simulating exciter response applied to ink jet printer |
| 03/25/2009 | EP2040376A1 Variable capacitance circuit |
| 03/18/2009 | EP2037574A1 Composite resonator |
| 03/12/2009 | US20090067614 Common mode transmission line termination |
| 03/05/2009 | WO2009028153A1 Resonator and filter using the same |
| 03/05/2009 | DE112005002645T5 Komplexer Resonanzkreis und Schwingkreis, der denselben Verwendet Complex resonant circuit and the resonant circuit, the same Uses |
| 03/04/2009 | EP1766777A4 Improved integrated circuit implementation for power and area efficient adaptive equalization |
| 02/24/2009 | US7495525 Multilayer planar balun transformer, mixers and amplifiers |
| 02/19/2009 | US20090045885 Passive structure for high power and low loss applications |
| 02/12/2009 | US20090039977 Balun transformer |
| 01/22/2009 | WO2009011400A1 Wireless ic device and electronic apparatus |
| 01/21/2009 | CN100454758C Surge absorption circuit and laminated surge absorption device |
| 01/20/2009 | US7479850 Miniaturised half-wave balun |
| 01/14/2009 | CN101345516A Improved band-stop filters |
| 12/31/2008 | WO2009000841A1 Channel filter, in particular for a digital television receiver |
| 12/31/2008 | EP2008216A2 Apparatus and methods for constructing and packaging waveguide to planar transmission line transitions for millimeter wave applications |
| 12/31/2008 | CN101335506A Band pass filter |
| 12/31/2008 | CN100448167C Surge absorption circuit |
| 12/27/2008 | CA2632490A1 Autonomous fitness for service assessment |
| 12/24/2008 | CN201170987Y Filter arrangement for eliminating electric redundant in a circuit and electric apparatus |
| 12/18/2008 | US20080309402 Extinction of plasma arcs |
| 12/18/2008 | DE102007027612A1 Monolithisch integrierte Induktivität The monolithic integrated inductor |
| 12/17/2008 | EP1475856B1 Micromachine vibration filter |
| 12/10/2008 | CN101320964A Serial inductor capacitance component |
| 12/09/2008 | US7463110 Transition device between a waveguide and two redundant circuits coupled each to a coplanar line |
| 12/04/2008 | DE19655266B4 Elektronisches Bauelement Electronic component |
| 11/26/2008 | CN101312339A Double tuned circuit of video tuner |
| 11/20/2008 | WO2008069836A3 Transmission line balun for broadband combiners, splitters and transformers |
| 11/19/2008 | CN101309073A Capacitor circuit |
| 11/12/2008 | EP1485966B1 A device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines |
| 11/12/2008 | CN101304239A Power amplification circuit, radio frequency transmitter as well as base station equipment |
| 11/11/2008 | US7449975 Ultra wide bandwidth balun |
| 11/11/2008 | US7449974 On-chip balun and transceiver using the same and method for fabricating on-chip balun |
| 11/05/2008 | EP1987562A2 Inverted style balun with dc isolated differential ports |
| 11/05/2008 | CN101298213A Analog excitation response characteristics method and circuit for ink jet printer |
| 10/30/2008 | US20080268710 Next High Frequency Improvement by Using Frequency Dependent Effective Capacitance |
| 10/29/2008 | CN101293428A Method and circuit for simulation of response characteristic applied to ink jet printer |
| 10/23/2008 | WO2007092725A3 Inverted style balun with dc isolated differential ports |
| 10/16/2008 | US20080252393 Balun circuit suitable for integration with chip antenna |
| 09/30/2008 | US7430291 Common mode transmission line termination |
| 09/25/2008 | US20080231389 Dual band coupled-line balanced-to-unbalanced bandpass filter |
| 09/25/2008 | US20080231388 Broadband Balancing Transformer |
| 09/24/2008 | CN101272133A Band pass filter |
| 09/23/2008 | US7427904 Ultra-high-frequency notch filter having an inductance set by selecting a conductor width |
| 09/18/2008 | US20080224795 Active balun |
| 09/02/2008 | US7420459 Powerline networking device |
| 08/21/2008 | US20080198090 Antenna, earphone antenna, and broadcasting receiver including earphone antenna |
| 08/12/2008 | US7410367 Next high frequency improvement by using frequency dependent effective capacitance |
| 07/30/2008 | CN100407573C 电子器件及测试和制造方法 And testing electronic devices and methods of manufacture |
| 06/26/2008 | US20080150658 Frequency control circuit for tuning a resonant circuit of an untethered device |
| 06/12/2008 | WO2008069836A2 Transmission line balun for broadband combiners, splitters and transformers |
| 06/11/2008 | EP1929577A2 Vertical inter-digital coupler |
| 05/29/2008 | US20080122538 Wideband active balun circuit based on differential amplifier |
| 05/20/2008 | US7376385 Repeaters sharing a common medium for communications |
| 05/15/2008 | US20080113643 Multi-transformer architecture for an active rf circuit |
| 03/18/2008 | US7345558 Circuit device |
| 03/06/2008 | DE102007034750A1 Verbessertes galvanisches Trennglied Improved galvanic isolator |
| 02/27/2008 | CN100372120C Ultra-small integrated circuit of inductive component including high quality factor |
| 02/13/2008 | CN101123422A Discontinuous transmission line structure |
| 02/13/2008 | CN101123421A Induction capacitor resonance circuit |
| 01/30/2008 | CN101114821A High speed signal level switching circuit |
| 01/10/2008 | WO2008006089A2 Emulation of anisotropic media in transmission line |
| 01/03/2008 | WO2008001914A1 Variable capacitance capacitor array, variable capacitance capacitor array device and circuit module |
| 12/26/2007 | CN200997585Y Bel-canto audio-frequency line of loundspeaker |
| 12/21/2007 | WO2007145259A1 Variable capacitance circuit |
| 12/21/2007 | WO2007145127A1 Composite resonator |
| 12/20/2007 | US20070290766 Balun |
| 12/06/2007 | US20070279145 Passive Part |
| 11/29/2007 | US20070273455 Splitter balun apparatus and method for variable connector directions |
| 11/22/2007 | US20070268086 Transmission line balun for broadband combiners, splitters and transformers |
| 11/21/2007 | CN200980063Y A capacitor used by vehicles |
| 11/20/2007 | US7299018 Receiver comprising a digitally controlled capacitor bank |
| 11/07/2007 | CN101067848A IC tags/RFID tags for magnetic resonance imaging applications |
| 10/26/2007 | CA2544873A1 Compensated inverted r-2r ladder and compensation technique therefor |
| 10/25/2007 | US20070247244 Voltage-Controlled Oscillator |
| 10/23/2007 | US7286035 Highly insulated inductive data couplers |
| 10/10/2007 | CN100342582C A device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines |
| 10/09/2007 | US7279994 Variable capacitance circuit having on/off switch for variable capacitance function, and voltage controlled oscillator using the variable capacitance circuit |
| 10/02/2007 | US7276979 Oscillation device and mobile communication apparatus |
| 09/26/2007 | CN101044674A Variable reactor device with reduced temperature dependence |
| 09/16/2007 | CA2581813A1 Active balancing circuit modules, systems and capacitor devices |
| 09/12/2007 | CN200947589Y Circuit for eliminating dynamic open circuit of capacitor in audio amplifying circuit |
| 09/07/2007 | WO2007099928A1 Broadband oscillator |
| 08/23/2007 | US20070194860 Balun |
| 07/04/2007 | EP1803214A1 A varactor device with reduced temperature dependence |
| 06/26/2007 | US7236080 On-chip high Q inductor |
| 06/14/2007 | US20070133185 Next high frequency improvement by using frequency dependent effective capacitance |