Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 7 - Multiple-port networks comprising only passive electrical elements as network components
Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104)
04/2005
04/21/2005WO2005036567A2 Stand-alone organic-based passive devices
04/21/2005US20050085200 Antenna interface unit
04/21/2005US20050085191 Apparatus and methods for determination of gain factors for wireless communication transmission power
04/21/2005US20050084005 Configurable equalization apparatus for multicarrier communications
04/21/2005US20050083234 Wireless device reconfigurable radiation desensitivity bracket systems and methods
04/21/2005US20050083162 Balun built in multiple ceramic layers
04/20/2005CN2694519Y PHS active reception antenna
04/20/2005CN1198281C Fetch channel device and its method
04/19/2005US6882263 On-chip transformer balun
04/19/2005US6882246 System and method for an electronically tunable frequency filter having constant bandwidth and temperature compensation for center frequency, bandwidth and insertion loss
04/19/2005US6882245 Frequency discrete LC filter bank
04/19/2005US6882236 Dynamically tuned amplifier for frequency shift keyed signals
04/19/2005US6882222 Low pass filter for output of D-class amplifier
04/19/2005US6881895 Radio frequency (RF) filter within multilayered low temperature co-fired ceramic (LTCC) substrate
04/14/2005WO2005034388A2 Determination of gain factors for wireless communication power
04/14/2005WO2005034151A1 Layered ceramic electronic part and manufacturing method thereof
04/14/2005US20050077984 Laminated low pass filter
04/14/2005US20050077980 High-frequency composite part and wireless communications device comprising it
04/14/2005DE10342611A1 90° Hybrid zum Splitten oder Zusammenführen von Hochfrequenzleistung 90 ° hybrid for splitting or merging of high frequency power
04/14/2005DE10338334A1 Noise compensation in communication systems uses a diode ring arrangement to separate noise and signal
04/14/2005CA2535124A1 Determination of gain factors for wireless communication power
04/13/2005EP1522143A1 Apparatus and methods for tuning antenna impedance using transmitter and receiver parameters
04/13/2005EP1522100A1 Integrated circuit arrangement
04/13/2005EP1464115A4 Bulk acoustic wave resonator with two piezoelectric layers as balun in filters and duplexers
04/13/2005CN1606863A High-performance micro-filter and decollator
04/13/2005CN1197241C Surface elastic wave separater and communicator
04/13/2005CN1197240C Array noise-reducing filter
04/13/2005CN1196437C Lead set filter for a patient monitor
04/12/2005US6879224 Integrated filter and impedance matching network
04/12/2005US6879223 Distributed constant type filter
04/12/2005US6879131 Minimizing end boundary resistance in a programmable resistor of an integrated circuit
04/07/2005WO2005031999A1 Method and apparatus for electrically adjusting delay in radio-frequency systems
04/07/2005WO2005031970A2 Method, device and system for output impedance calibration that invariably maximizes hybrid performance
04/07/2005WO2005020433A3 Broadband integrated digitally tunable filters
04/07/2005US20050075089 Image rejection mixer and multiband generator
04/07/2005US20050073373 Integrated coupler
04/07/2005CA2538969A1 Method and apparatus for electrically adjusting delay in radio-frequency systems
04/06/2005EP1521363A1 Integrated Coupler
04/06/2005EP0903011A4 Common mode filter and filter/connector combination
04/06/2005CN1605154A Coupler, integrated electronic component and electronic device
04/06/2005CN1196221C Nonreciprocal circuit element, communication device and method for manufacturing nonreciprocal circuit element
04/05/2005US6876840 Triplexer and multilayered structure thereof
04/05/2005US6876699 Filter circuit for a bit pump and method of configuring the same
04/05/2005US6876281 Variable transmission line transformer
04/05/2005US6876273 Front end module
04/05/2005US6876270 Symmetric microwave filter and microwave integrated circuit merging the same
04/05/2005US6876258 High-frequency amplifier and radio transmission device with circuit scale and current consumption reduced to achieve high efficiency
04/05/2005US6875526 Magnetic ceramic body overcoated with dielectric, circuit pattern; shrinkage inhibition; noncracking
03/2005
03/31/2005WO2005029699A1 Device for contactlessly transmitting power
03/31/2005US20050069394 Method, device and system for output impedance calibration that invariably maximizes hybrid performance
03/31/2005US20050069044 Apparatus and methods for wireless communication transmission power control that supports physical channel reconfiguration
03/31/2005DE10222593B4 Integrierter Filterbalun Integrated Filterbalun
03/30/2005EP1519483A2 Impedance circuit, and filter circuit, amplifier circuit, semiconductor integrated circuit, electronic component, and wireless communications device using the same
03/30/2005CN1601893A Impedance circuit, and filter circuit, amplifier circuit, semiconductor integrated circuit using the same
03/30/2005CN1601891A Image rejection mixer and multiband generator
03/30/2005CN1195318C Match circuit and plasma processing device
03/29/2005US6873228 Buried self-resonant bypass capacitors within multilayered low temperature co-fired ceramic (LTCC) substrate
03/29/2005US6873225 Diplexers with low pass filter having distributed and non-distributed (lumped) elements
03/29/2005US6873224 Ninety degree coupler for radio frequency degraded circuits
03/29/2005US6873198 Tunable quadrature phase shifter
03/29/2005US6872962 Radio frequency (RF) filter within multilayered low temperature co-fired ceramic (LTCC) substrate
03/24/2005WO2005027258A1 90° hybrid
03/24/2005US20050062554 Termination stub system and method
03/24/2005CA2538767A1 Method and system for providing an activation signal based on a received rf signal
03/23/2005EP1348253B1 GENERATING TWO SIGNALS HAVING A MUTUAL PHASE DIFFERENCE OF 90o
03/23/2005EP1040574B1 Artificial line
03/23/2005CN1599978A Integrated balun and transformer structure
03/23/2005CN1599977A Balun transformer and transceiver
03/23/2005CN1599976A Analog bandpass filter
03/23/2005CN1599242A High-frequence signal control device
03/23/2005CN1194441C Double-band coupler
03/22/2005US6871059 Passive balun FET mixer
03/22/2005US6870882 Finite-length equalization over multi-input multi-output channels
03/22/2005US6870881 Feedforward equalizer for DFE based detector
03/22/2005US6870447 Tuning circuit
03/22/2005US6870441 Method for transforming bandpass filters to facilitate their production and resulting devices
03/22/2005US6870414 Application of a continuously tuned phase shift to a periodic signal
03/17/2005US20050059362 Method and apparatus providing integrated load matching using adaptive power amplifier compensation
03/17/2005US20050057414 Reconfigurable radiation desensitivity bracket systems and methods
03/17/2005US20050057322 Apparatus and method for combining electrical signals
03/17/2005DE10338319A1 Directional coupler for telecommunications use, includes additional windings in earth lines from transformer in feed lines, forming separate, magnetically-coupled transformer
03/17/2005DE10257465B4 Steuerbares Zweiphasennetzwerk mit Amplitudenkompensation Controllable two-phase network with amplitude compensation
03/16/2005EP1515390A1 Quadrature hybrid circuit
03/16/2005EP1485966A4 A device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines
03/15/2005US6868260 Radio station with optimized impedance
03/15/2005US6867744 Tunable horn antenna
03/15/2005US6867665 Filters implemented in integrated circuits
03/15/2005US6867646 Demodulation apparatus for digital audio amplifier
03/10/2005WO2005022753A1 Calibrating a loop-filter of a phase locked loop
03/10/2005WO2005022744A1 Method and system for passband ripple cancellation in cascading filters
03/10/2005WO2005022740A2 Method and apparatus providing integrated load matching using adaptive power amplifier compensation
03/10/2005WO2005022566A1 Method and system for the production of superconducting inductive components comprising thin layers, and devices containing such components
03/10/2005WO2004085253A3 Induction sealing device and corresponding method for producing packages of pourable food product
03/10/2005WO2004082324A3 Transducer asembly with modifiable buffer circuit and method for adjusting thereof
03/10/2005WO2004015838A3 Improved electromagnetic interference filter
03/10/2005US20050053226 Input-output balanced filter
03/10/2005US20050052259 Quadrature hybrid circuit
03/10/2005US20050052258 Variable transmission line transformer
03/10/2005US20050052257 Marchand-type distributed balun
03/10/2005CA2537265A1 Improved phase shifter and commonly driven phase shifters
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