| Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104) |
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| 06/03/2004 | US20040104786 Diplex circuit forming bandstop filter |
| 06/03/2004 | US20040104785 Variable impedance matching circuit |
| 06/03/2004 | US20040104757 System and method to establish an adjustable on-chip impedance |
| 06/03/2004 | DE20122081U1 Crankshaft sensor IC has at least one filter device, especially a low pass filter with an at least partly variable resistance unit and capacitor unit after resistance unit and grounded |
| 06/02/2004 | EP1424784A2 Transceiving filter and communication device |
| 06/01/2004 | US6744335 Micromechanical tunable capacitor and an integrated tunable resonator |
| 06/01/2004 | US6744327 Tunable voltage controlled oscillator |
| 06/01/2004 | US6744244 Variable impedance network with coarse and fine controls |
| 05/27/2004 | WO2004045072A1 Step attenuator and method using frequency dependent components |
| 05/27/2004 | WO2004045017A1 Variable power divider |
| 05/27/2004 | WO2002084684A3 Tunable planar capacitor |
| 05/27/2004 | US20040100341 Mems-tuned high power, high efficiency, wide bandwidth power amplifier |
| 05/27/2004 | DE10349302A1 Electromagnetic filter for use with feedthrough conductor, has conductive contacts that electrically connect capacitor to metallized surface of inductor and feedthrough conductor, respectively |
| 05/26/2004 | EP1422823A2 Matching unit with switching means for VHF/UHF bands |
| 05/26/2004 | EP1422533A1 Radar receiver and radar system |
| 05/26/2004 | EP1421687A1 Tunable quadrature phase shifter |
| 05/26/2004 | EP1421686A1 Integrated rc filter |
| 05/26/2004 | EP1023771A4 Electrical impedance matching system and method |
| 05/26/2004 | CN1500297A Antenna appts. and communication appts. using same |
| 05/26/2004 | CN1499712A 高频开关模块 Frequency switch module |
| 05/25/2004 | US6741814 Balun for coaxial cable transmission |
| 05/25/2004 | US6741217 Tunable waveguide antenna |
| 05/25/2004 | US6741211 Tunable dipole antenna |
| 05/25/2004 | US6741144 High-frequency semiconductor device |
| 05/25/2004 | US6741140 Circuit for receiving an AC coupled broadband signal |
| 05/21/2004 | WO2004042943A1 Method and circuit arrangement for feeding an input signal into a number of receivers |
| 05/21/2004 | WO2004042920A2 A flat intermediate if filter for tuners |
| 05/21/2004 | WO2002012916A9 Radio frequency receiving circuit having a passive monopulse comparator |
| 05/20/2004 | US20040095785 Method and apparatus for providing input emi filtering in power supplies |
| 05/20/2004 | US20040095211 Tunable ferro-electric filter |
| 05/20/2004 | US20040095200 Signal transmission circuit and electronic equipment |
| 05/19/2004 | EP1420509A1 EMI filter for power supply |
| 05/19/2004 | DE10250890A1 Entscheidungsrückkoppelentzerrer mit reduzierter Gatezahl Decision feedback equalizer with reduced gate number |
| 05/19/2004 | CN1497841A Noise wave filter |
| 05/19/2004 | CN1150758C Device for common antenna of sharing TV broadcast signals with calling signals in radio communication terminal |
| 05/19/2004 | CN1150674C Multi-layer inductance and capacitance composite element |
| 05/19/2004 | CN1150655C Low-pass filter |
| 05/19/2004 | CN1150654C Narrow-band filter using frequency transformation inducor and slope pi capacitor |
| 05/18/2004 | US6738612 Image trap filter |
| 05/18/2004 | US6738603 Radio communication apparatus with retractable antenna and its impedance matching method |
| 05/18/2004 | US6738025 Antenna matching circuit |
| 05/18/2004 | US6737935 Diplex circuit forming bandstop filter |
| 05/18/2004 | US6737933 Circuit topology for attenuator and switch circuits |
| 05/18/2004 | US6737930 Tunable planar capacitor |
| 05/13/2004 | US20040092292 High frequency switching component |
| 05/13/2004 | US20040091053 Impedance-matched IQ network for an image rejection circuit |
| 05/13/2004 | US20040090286 Variable power divider |
| 05/13/2004 | US20040090284 Arrangement of a data coupler for power line communications |
| 05/12/2004 | EP1418680A1 Bypass filter; multi;band antenna switch circuit; and layered module composite part and communication device using them |
| 05/12/2004 | EP1417512A1 Near object detection system |
| 05/12/2004 | CN1495283A Matching box, vacuum device using the same and vacuum processing method |
| 05/12/2004 | CN1149833C Input circuit of satellite tuner |
| 05/11/2004 | US6735418 Antenna interface |
| 05/11/2004 | US6734760 Lumped filter, shared antenna unit, and communication device |
| 05/11/2004 | US6734759 Droop compensation filter having high pass characteristic |
| 05/11/2004 | US6733890 Integrated ceramic module and microwave dielectric composition |
| 05/06/2004 | WO2004038913A1 Balanced-unblanced type multi-band filer module |
| 05/06/2004 | WO2003017479A3 Electronic device and method of testing and of manufacturing |
| 05/06/2004 | US20040087280 Composite high frequency component and mobile commmunication device including the same |
| 05/06/2004 | US20040086036 Decision feedback equalizer having reduced gate count |
| 05/06/2004 | US20040085176 High power wideband balun and power combiner/divider incorporating such a balun |
| 05/06/2004 | US20040085172 Filter for segmenting power lines for communications |
| 05/06/2004 | US20040085171 Highly insulated inductive data couplers |
| 05/06/2004 | US20040085156 Step attenuator using frequency dependent components and method of effecting signal attenuation |
| 05/06/2004 | US20040085155 Selection of IC Vdd for improved voltage regulation of transciever/transponder modules |
| 05/06/2004 | US20040085152 Arrangement and method impedance matching |
| 05/06/2004 | US20040085145 Dynamically tuned amplifier for frequency shift keyed signals |
| 05/06/2004 | US20040085112 Phase shift circuit and pahse shifter |
| 05/06/2004 | US20040084199 Low profile filter |
| 05/06/2004 | EP1416575A1 Balun transformer |
| 05/06/2004 | EP1415395A1 Tunable impedance matching circuit for rf power amplifier |
| 05/06/2004 | DE10249050A1 Adjustment of parameters for analog filter of Cauer or elliptical type has circuit producing Cauer word triplets and feeding control signal to filter |
| 05/05/2004 | CN1494741A Arrangement and method for impedance matching |
| 05/04/2004 | US6731184 High frequency switching component |
| 05/04/2004 | US6731172 Doherty power amplifier with integrated quarter wave transformer/combiner circuit |
| 04/29/2004 | WO2004036879A2 Filter for segmenting power lines for communications |
| 04/29/2004 | WO2004036813A2 Repeaters sharing a common medium for communications |
| 04/29/2004 | WO2004036772A2 Arrangement of a data coupler for power line communications |
| 04/29/2004 | WO2004036745A1 Frequency-independent voltage divider |
| 04/29/2004 | WO2004036601A2 Highly insulated inductive data couplers |
| 04/29/2004 | WO2003093936A3 System, method and apparatus for coordination of channel quality assessment and ingress filtering in cable modem systems |
| 04/29/2004 | US20040080922 High-work-efficiency multilayered circuit board |
| 04/29/2004 | CA2502122A1 Filter for segmenting power lines for communications |
| 04/29/2004 | CA2502107A1 Repeaters sharing a common medium for communications |
| 04/29/2004 | CA2502104A1 Arrangement of a data coupler for power line communications |
| 04/28/2004 | CN1493095A Antenna incorporating filter |
| 04/28/2004 | CN1148087C Duplex device and communication apparatus |
| 04/27/2004 | US6727786 Band switchable filter |
| 04/27/2004 | US6727782 Multilayered LC composite component and method for manufacturing the same |
| 04/27/2004 | US6727774 Bypass capacitor methods for achieving a desired value of electrical impedance between parallel planar conductors of an electrical power distribution structure, and associated electrical power distribution structures |
| 04/22/2004 | WO2004034578A1 Variable delay line |
| 04/22/2004 | US20040076228 Look-ahead decision feedback equalizing receiver |
| 04/22/2004 | US20040075968 High frequency laminated device |
| 04/22/2004 | US20040075510 Distributed capacitive/resistive electronic device |
| 04/22/2004 | US20040075490 Demodulation apparatus for digital audio amplifier |
| 04/22/2004 | US20040075482 Delay unit for periodic signals |
| 04/22/2004 | DE10296803T5 Filter mit akustischem Filmvolumenresonator und Duplexer Filters and duplexers with acoustic Filmvolumenresonator |
| 04/21/2004 | EP1411726A2 Apparatus for adapting the signal level between a signal input and a signal output |
| 04/21/2004 | EP1008234B1 High temperature superconducting structures and methods for high q, reduced intermodulation structures |
| 04/15/2004 | US20040073595 Non-reciprocal network element that produces an input impedance that is a function of the multiplication-division of its load impedances |