| Patents for H01P 5 - Coupling devices of the waveguide type (11,303) |
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| 03/25/2004 | US20040056730 Tunable voltage controlled oscillator |
| 03/25/2004 | DE10243671B3 Arrangement for transition between microstrip conductor, hollow conductor has one hollow conductor side wall as metallised coating on substrate with opening into which microstrip conductor protrudes |
| 03/24/2004 | EP1401047A1 Self-tuned matching network for high efficient power amplifiers |
| 03/24/2004 | CN1484874A Four port hybrid microstrip circuit of LANGE type |
| 03/24/2004 | CN1143328C Distributed tunable induction element for differential circuit and forming method |
| 03/23/2004 | US6710674 Waveguide fitting |
| 03/18/2004 | US20040051173 High frequency interconnect system using micromachined plugs and sockets |
| 03/18/2004 | US20040050587 Transmission line and device including the same |
| 03/16/2004 | US6707349 Directional coupler for microwave cavities |
| 03/16/2004 | US6707348 Microstrip-to-waveguide power combiner for radio frequency power combining |
| 03/11/2004 | WO2004021505A1 Line converter, high-frequency module, and communication device |
| 03/11/2004 | WO2004021504A1 Co-planar constant-attenuation phase modifier |
| 03/11/2004 | US20040046623 Tunable coupling iris and method |
| 03/11/2004 | US20040046620 Directional coupler for microwave cavities |
| 03/11/2004 | US20040046618 Miniaturized balun |
| 03/10/2004 | EP1396935A1 Compact balun for 802.11a applications |
| 03/10/2004 | EP1396934A1 Compact balun with rejection filter for 802.11a and 802.11b simultaneous operation |
| 03/10/2004 | EP1396903A2 Dielectric waveguide line and its branch structure |
| 03/10/2004 | EP1396902A1 Waveguide/microstrip line converter |
| 03/10/2004 | EP1396901A2 Dielectric waveguide bend |
| 03/10/2004 | EP1396087A1 A method and apparatus for low loss high radio frequency transmission |
| 03/10/2004 | CN1481092A Converter for receiving satellite broadcast |
| 03/10/2004 | CN1481091A Converter for receiving satellite broadcast |
| 03/04/2004 | WO2004019508A1 Method and apparatus for modifying a radio frequency response |
| 03/04/2004 | WO2004019444A1 Low loss waveguide launch |
| 03/04/2004 | US20040041732 Multielement planar antenna |
| 03/04/2004 | US20040041659 Compact broadband divider/combiner |
| 03/04/2004 | US20040041657 Directional coupler, antenna interface unit and radio base station having an antenna interface unit |
| 03/04/2004 | US20040041653 High Frequency Apparatus |
| 03/04/2004 | US20040041651 Waveguide/planar line converter and high frequency circuit arrangement |
| 03/04/2004 | US20040041650 Compact balun for 802.11a applications |
| 03/04/2004 | US20040041649 Compact balun with rejection filter for 802.11a and 802.11b simultaneous operation |
| 03/04/2004 | US20040041632 Reconfigurable broadband active power splitter ditto power combiner and ditto bidirectional power splitter/power combiner and circuits based on these |
| 03/04/2004 | DE10238947A1 Koplanarer Phasenschieber mit konstanter Dämpfung The coplanar phase shifters with constant damping |
| 03/03/2004 | EP1250721B1 Circuit for dividing or bringing together high-frequency performances |
| 03/03/2004 | EP1236246A4 A device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines |
| 03/03/2004 | CN1479952A Device for separting transomission and reception signals |
| 03/03/2004 | CN1140940C High frequency balance-unbalance inverter provided in multilayer substrate |
| 03/02/2004 | US6700789 High-frequency wiring board |
| 03/02/2004 | US6700464 Low cost high speed board-to-board coaxial connector design with co-planar waveguide for PCB launch |
| 03/02/2004 | US6700458 Device and method for coupling two circuit components which have different impedances |
| 03/02/2004 | US6700456 High-frequency module |
| 02/26/2004 | WO2004017516A1 Matched transmission line connector |
| 02/26/2004 | WO2004017460A1 High-frequency wireless device with integrated antenna |
| 02/26/2004 | WO2004017454A1 Parallel plate waveguide structure |
| 02/26/2004 | WO2004017363A2 Circuit package integrating passive radio frequency structure |
| 02/26/2004 | US20040038587 High frequency coaxial connector for microcircuit packaging |
| 02/26/2004 | US20040037062 Low cost highly isolated RF coupler |
| 02/26/2004 | US20040036661 Dual band satellite communications antenna feed |
| 02/26/2004 | US20040036660 Radial line slot antenna |
| 02/26/2004 | US20040036553 Voltage tunable coplanar phase shifters |
| 02/26/2004 | US20040036550 Low loss waveguide launch |
| 02/26/2004 | US20040036543 Resonator, filter, oscillator, duplexer, and communication apparatus |
| 02/25/2004 | EP1391987A1 Reflection loss suppression circuit |
| 02/25/2004 | EP1391004A1 Three-level balun and its manufacturing method |
| 02/25/2004 | EP1390882A2 A system and method for determining the required decoupling capacitors for a power distribution system using an improved capacitor model |
| 02/25/2004 | EP1092302B1 A switchable combiner and a switchable splitter |
| 02/25/2004 | CN1477851A Linear illuminator and image sensor |
| 02/19/2004 | US20040032308 Circuit package integrating passive radio frequency structure |
| 02/18/2004 | EP0763868B1 Directional coupler |
| 02/18/2004 | CN1476650A Radio frequency amplifying circuit |
| 02/18/2004 | CN1139148C Antenna device and radar module |
| 02/18/2004 | CN1139147C Split antenna special for clock |
| 02/12/2004 | DE10243670B3 Waveguide filter with upper, structured metallic layer and striplines on substrate, also includes surface-mounted-device on top of substrate |
| 02/11/2004 | EP1388909A1 Converter for receiving satellite broadcast |
| 02/11/2004 | EP1388908A1 Converter for receiving satellite broadcast |
| 02/11/2004 | EP1388907A1 Broadband planar coupled spiral balun |
| 02/11/2004 | EP1388189A1 Apparatus for connecting transmissions paths |
| 02/11/2004 | EP1388185A1 A transition from microstrip to waveguide |
| 02/10/2004 | US6690251 Tunable ferro-electric filter |
| 02/10/2004 | US6690249 Power splitter/combiner multi-layer circuit |
| 02/10/2004 | US6690177 Frequency selective improvement of the directivity of a return loss bridge |
| 02/10/2004 | US6690176 Low-loss tunable ferro-electric device and method of characterization |
| 02/05/2004 | WO2004012297A2 Suspended-stripline hybrid coupler |
| 02/05/2004 | WO2004012296A1 Broad band impedance matching device |
| 02/05/2004 | US20040021527 Switched-frequency power dividers/combiners |
| 02/05/2004 | US20040020782 Depositing portion of a layer onto the substrate; forming a plurality of layers such that each successive layer is formed adjacent to and adhered to a previously deposited layer |
| 02/04/2004 | CN2602493Y Directional coupler |
| 02/03/2004 | US6686875 Bi-directional amplifier module for insertion between microwave transmission channels |
| 02/03/2004 | US6686813 Dielectric filter, dielectric duplexer, and communication apparatus |
| 02/03/2004 | US6686812 Miniature directional coupler |
| 01/29/2004 | US20040018826 RF circuit module |
| 01/29/2004 | US20040017267 Suspended-stripline hybrid coupler |
| 01/29/2004 | US20040017265 Device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines |
| 01/29/2004 | DE10228851A1 Richtkoppler Directional coupler |
| 01/28/2004 | CN1136625C Device for transmission/reception of singnals |
| 01/27/2004 | US6683510 Ultra-wideband planar coupled spiral balun |
| 01/22/2004 | WO2004008577A2 Electromagnetic coupling connector for three-dimensional electronic circuits |
| 01/22/2004 | WO2004008569A1 Junction between a waveguide and a microstrip line |
| 01/22/2004 | US20040014341 Connection structure of connector pin and signal line and semiconductor package using it |
| 01/22/2004 | US20040012527 Circularly-polarized-wave patch antenna which can be used in a wide frequency band |
| 01/22/2004 | US20040012474 Vertical transformer |
| 01/22/2004 | US20040012458 Device interconnects and methods of making the same |
| 01/22/2004 | DE10231688A1 Übergang zwischen einem Hohlleiter einer Microstrip-Leitung Transition between a waveguide to a microstrip line |
| 01/21/2004 | EP1383200A1 Circularly polarized wave patch antenna |
| 01/21/2004 | EP1383145A1 Laminated balun transformer |
| 01/21/2004 | CN1135714C Radio power synthesizer |
| 01/21/2004 | CN1135689C Microwave amplifier |
| 01/21/2004 | CN1135651C Resonance circuit |
| 01/21/2004 | CN1135650C Dielectric filter and dielectric duplexer |