| Patents for H03H 7 - Multiple-port networks comprising only passive electrical elements as network components (15,104) |
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| 09/07/2004 | US6788168 Integrated low-pass or band-pass filter |
| 09/07/2004 | US6788165 Variable power divider |
| 09/07/2004 | US6788148 Voltage-limited distributed current source for ultra-broadband impedance termination |
| 09/02/2004 | WO2004075402A1 Fbar band pass filter, duplexer having the filter and methods for manufacturing the same |
| 09/02/2004 | US20040169576 Electronic inductive and capacitive component |
| 09/02/2004 | US20040169567 Common mode choke coil with vertically arranged edgewise windings of rectangular wire |
| 09/02/2004 | US20040169566 Frequency-selective balun transformer |
| 09/02/2004 | DE10211909B4 Schaltkreis zum Erzeugen eines ersten und eines zweiten Taktsignals Circuit for generating a first and a second clock signal |
| 09/01/2004 | EP1453196A1 Analog bandpass filter |
| 09/01/2004 | EP1451928A1 Compensation circuit for frequency filters |
| 09/01/2004 | EP1451927A2 Circuit configuration for dc-biased capacitors |
| 09/01/2004 | CN1526199A Filter arrangement for symmetrical and asymmetrical line systems |
| 09/01/2004 | CN1525773A Handset and method accomplishing antenna matching with different matching circuits in different frequency bands |
| 09/01/2004 | CN1165109C High-frequency filter and transmitting/receiving antenna shared filter |
| 08/31/2004 | US6784828 Near object detection system |
| 08/31/2004 | US6784762 Laminated LC filter where the pattern widths of the central portion air is greater than the end portions |
| 08/31/2004 | US6784760 Step attenuator using frequency dependent components and method of effecting signal attenuation |
| 08/31/2004 | US6784521 Directional coupler |
| 08/26/2004 | WO2004073194A1 A single transformer hybrid system and method |
| 08/26/2004 | WO2004073191A1 Front end module |
| 08/26/2004 | WO2004073016A2 On-carrier impedance transform network |
| 08/26/2004 | US20040168200 System and method for processing a common cable signal using a low-pass filter tap |
| 08/26/2004 | US20040164817 Balanced-unbalanced converting circuit and laminated balanced-unbalanced converter |
| 08/26/2004 | DE10150159B4 Impedanzanpassungsschaltung für einen Mehrband-Leisungsverstärker Impedance matching circuit for a multi-band Leisungsverstärker |
| 08/25/2004 | EP1450486A1 Multi-Mode Filter |
| 08/25/2004 | EP1449307A1 Impedance matching circuit for a multi-band radio frequency device |
| 08/25/2004 | CN1524276A Tunable ferro-electric filter |
| 08/25/2004 | CN1523774A A design method for antenna impedance matching circuit |
| 08/25/2004 | CN1523755A Noise filter and plc modulator-demodulator using same |
| 08/25/2004 | CN1523705A Balanced-unbalanced converting circuit and laminated balanced-unbalanced converter |
| 08/25/2004 | CN1164140C Mobile telephone capable of compensating antenna impedance change |
| 08/25/2004 | CN1164029C Noise inhibiting wave filter |
| 08/24/2004 | US6781855 Power diverter |
| 08/24/2004 | US6781479 Surface acoustic wave duplexer and communication apparatus |
| 08/24/2004 | US6781404 Semiconductor integrated circuit and manufacturing method thereof |
| 08/24/2004 | US6779261 Integrated balun and transformer structures |
| 08/19/2004 | WO2004070965A1 Front-end circuit comprising thin-film resonators |
| 08/19/2004 | WO2003056844A3 Switched power combiner with adjustable impedance-matching transformer |
| 08/19/2004 | DE10317599A1 Integrated transceiver used in mobile communication systems has interface circuit with adjustable impedance |
| 08/19/2004 | DE10305379A1 Frontendschaltung Front-end circuit |
| 08/19/2004 | DE10251203B3 Verfahren und Schaltungsanordnung zum Einspeisen eines Eingangssignales in n Empfänger Method and circuit for feeding an input signal in receiver n |
| 08/18/2004 | EP1295516B1 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 |
| 08/18/2004 | CN1163085C Passband smooth compensating circuit |
| 08/17/2004 | US6778040 Feed-through filter having improved shielding and mounting functions |
| 08/17/2004 | US6778023 Tunable filter and method of tuning a filter |
| 08/17/2004 | US6778001 Semiconductor circuit components for supplying power to a load |
| 08/12/2004 | WO2004068638A2 Power line coupling device and method of using the same |
| 08/12/2004 | US20040157575 Variable attenuator system and method |
| 08/12/2004 | US20040155812 Technique for changing a range gate and radar coverage |
| 08/12/2004 | US20040155731 Low-loss tunable ferro-electric device and method of characterization |
| 08/12/2004 | US20040155720 Receiver |
| 08/11/2004 | EP1444821A1 High performance micro-filter and splitter apparatus |
| 08/11/2004 | EP1023770A4 Surface mount lc filter with polymer layers |
| 08/11/2004 | CN1161880C Inductance-capacitance filter |
| 08/10/2004 | US6774737 High Q resonator circuit |
| 08/10/2004 | US6774714 Semiconductor device provided with noise cut filter |
| 08/05/2004 | WO2004066492A1 Filter network |
| 08/05/2004 | WO2004065559A2 Power conditioners and pseudo isolation for a two-wire processing network |
| 08/05/2004 | US20040151302 Single transformer hybrid system and method |
| 08/05/2004 | US20040151239 Equalizing a signal for transmission |
| 08/05/2004 | US20040150489 On-carrier impedance transform network |
| 08/04/2004 | EP1443641A1 Switchable tuneable bandpass filter with optimized frequency response |
| 08/04/2004 | EP1238459B1 Amplifier arrangement with 90 -power divider |
| 08/04/2004 | CN1518220A Band-pass filter of changable and tunable with optimum frequency response |
| 08/04/2004 | CN1518219A Trapezoidal filter, branching filter and communication equipment |
| 08/04/2004 | CN1518214A Noise filter for high-frequency generator |
| 08/04/2004 | CN1518012A Noise filter |
| 08/04/2004 | CN1160854C Squelch filter for power converter |
| 08/03/2004 | US6771944 Diversity receiver continuously responsive to best signal |
| 08/03/2004 | US6771143 Device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines |
| 08/03/2004 | US6771140 Garnet ferrite with oxides of yttrium, iron, calcium, indium and vanadium |
| 07/29/2004 | WO2004064246A1 Regenerative divider for up and down conversion of radio frequency (rf) signals |
| 07/29/2004 | WO2003079406A3 Voltage-limited distributed current source for ultra-broadband impedance termination |
| 07/29/2004 | WO2002082636A3 Data receiver gain enhancement |
| 07/29/2004 | US20040145429 Phase shifter and multibit phase shifter |
| 07/29/2004 | US20040145410 Switchable tuneable bandpass filter with optimized frequency response |
| 07/29/2004 | US20040145398 Controllable two-phase network with amplitude compensation |
| 07/28/2004 | EP1440511A1 Compact 180 degree phase shifter |
| 07/28/2004 | CN2629309Y Antiinterference protector for electric appliance |
| 07/28/2004 | CN1516943A Method and apparatus for ultra-wideband (UWB) radio utilizing MEMS filtering for echo cancellation |
| 07/27/2004 | US6768898 Composite high frequency component and mobile communication apparatus including the same |
| 07/27/2004 | US6768410 Laminated balun transformer |
| 07/27/2004 | US6768383 High-frequency amplifier |
| 07/27/2004 | US6768364 Quadrature signal generation with phase error correction |
| 07/22/2004 | WO2004062284A2 Distribution box |
| 07/22/2004 | WO2004062220A1 Receiver |
| 07/22/2004 | WO2004062126A1 Tunable duplexer |
| 07/22/2004 | WO2004062100A1 System and method for an electronically tunable frequency filter having constant bandwidth and temperature compensation for center frequency, bandwidth and insertion loss |
| 07/22/2004 | WO2004062099A1 Low noise filter |
| 07/22/2004 | US20040143422 Filter characteristic measuring method and system |
| 07/22/2004 | US20040142599 Power line coupling device and method of using the same |
| 07/22/2004 | US20040141552 Programmable receive-side channel equalizer |
| 07/22/2004 | US20040140870 Composite electronic component |
| 07/22/2004 | US20040140866 Ladder filter, branching filter, and communication apparatus |
| 07/22/2004 | US20040140770 Noise filter for a high frequency generator |
| 07/22/2004 | US20040139916 Applying the particles to be separated on a substrate supported membrane, such that the particles are mobile across the surface of the substrate supported membrane; providing an electrical field; temporarily modifying the electrical field and/or adding a substrate supported membrane |
| 07/22/2004 | DE10300892A1 Tunable switchable band-pass filter device for two frequency ranges, e.g. for television receiver, has second secondary resonant circuit connected to first primary resonant circuit |
| 07/21/2004 | EP1439552A1 Noise filter for a high frequency generator |
| 07/21/2004 | CN1514541A Multilayer ceramic frequency selective circuit |
| 07/21/2004 | CN1514540A Variable attenuator system and method |