| Patents for H01P 5 - Coupling devices of the waveguide type (11,303) |
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| 02/26/1998 | DE19711716A1 Millimetre waveband arrangement for signal attenuation |
| 02/12/1998 | DE19733874A1 Electronic system for microwave or millimetre wave band communications |
| 02/12/1998 | DE19636890C1 Übergang von einem Hohlleiter auf eine Streifenleitung Transition from a waveguide to a stripline |
| 02/11/1998 | EP0823747A2 RF phase and/or amplitude control device |
| 02/11/1998 | CN1173054A Balun transformer |
| 02/11/1998 | CN1037388C Power synthesis circuit |
| 02/10/1998 | US5717407 Patch antenna array capable of simultaneously receiving dual polarized signals |
| 02/05/1998 | WO1998005086A1 Device for tuning a microwave system |
| 02/05/1998 | CA2261583A1 Device for tuning a microwave system |
| 02/04/1998 | EP0625287B1 Multiple layer microwave integrated circuit module connector assembly |
| 02/03/1998 | CA2139048C Branching filter for transmitter-receiver |
| 01/29/1998 | DE19634416A1 Vorrichtung zum Abstimmen einer Mikrowellenanordnung Apparatus for tuning a microwave arrangement |
| 01/28/1998 | EP0821431A2 Device for generating and emitting microwaves, especially for a filling level measuring device |
| 01/28/1998 | EP0821427A1 Dielectric line waveguide |
| 01/22/1998 | DE19636893C1 Hollow conductor to strip conductor transition |
| 01/21/1998 | EP0820114A1 Multilayer dielectric line circuit |
| 01/21/1998 | EP0819322A1 A coaxial cable transition arrangement |
| 01/14/1998 | EP0818844A2 Dielectric-line integrated circuit |
| 01/13/1998 | US5708587 Microwave/optical transformation method |
| 01/13/1998 | US5708401 Waveguide coaxial converter including susceptance matching means |
| 01/08/1998 | DE19624939A1 Parallel strip waveguide coupling for loop antenna |
| 01/07/1998 | EP0817368A1 Balanced modulator |
| 01/07/1998 | EP0817303A2 Dielectric filter and dielectric duplexer |
| 01/07/1998 | EP0817301A1 Input coupling adjustment arrangement for radio frequency filters |
| 01/06/1998 | US5705962 Microwave power dividers and combiners having an adjustable terminating resistor |
| 01/06/1998 | US5705960 Balanced-to-unbalanced converting circuit |
| 12/18/1997 | WO1997048187A1 Printed circuit board having integrated broadside microwave coupler |
| 12/17/1997 | CN1168000A Actuator |
| 12/09/1997 | US5697088 Communication device |
| 12/09/1997 | CA2120804C Apparatus and method for assembling and checking microwave monolithic integrated circuit (mmic) module |
| 12/04/1997 | WO1997045889A2 Improved transmission line |
| 12/04/1997 | DE19621809A1 Rectangular to circular waveguide transition |
| 11/27/1997 | WO1997044851A1 Waveguide-microstrip transmission line transition structure |
| 11/26/1997 | CN1166238A Quadrifilar helix antenna and feed network |
| 11/25/1997 | US5691672 Magnetic coupling device between a TEM line main conductor and a waveguide forming a λg/2 resonator |
| 11/20/1997 | WO1997043797A1 High performance mixer structures for monolithic microwave integrated circuits |
| 11/18/1997 | US5689219 Summing network |
| 11/18/1997 | US5689218 Tap for extracting energy from transmission lines |
| 11/18/1997 | US5689217 Directional coupler and method of forming same |
| 11/18/1997 | US5689216 Direct three-wire to stripline connection |
| 11/18/1997 | CA2114029C Multi-passband dielectric filter construction |
| 11/18/1997 | CA2111394C Slotted leaky waveguide array antenna |
| 11/13/1997 | WO1997042678A1 Coplanar waveguide coupler |
| 11/12/1997 | CN2267535Y Microwave frequency modulation device for transferring or receiving video and audio signals |
| 11/11/1997 | US5686874 Temperature-compensated combiner |
| 11/11/1997 | US5686873 Antenna duplexer having transmit and receive portion formed in a single dielectric block |
| 11/06/1997 | WO1997041613A1 Odd order mesfet frequency multiplier |
| 11/05/1997 | EP0805513A2 Feed network for quadrifilar helix antenna |
| 11/04/1997 | US5684495 Microwave transition using dielectric waveguides |
| 11/04/1997 | US5684492 Antenna device having a band pass filter |
| 10/30/1997 | DE19702153A1 Integrated microstrip to strip line transition forming method |
| 10/29/1997 | EP0803907A2 Ribbon, bonding wire and microwave circuit package |
| 10/29/1997 | CN1163678A Dielectric filter and producing method therefor and package member obtained by packaging filter |
| 10/23/1997 | DE19636892C1 Hollow waveguide and stripline interface |
| 10/22/1997 | EP0802576A1 Coupling for two electromagnetic waveguides of different cross section |
| 10/22/1997 | CN1162865A Field effect transistor amplifier |
| 10/22/1997 | CN1162849A Dielectric integrated nonradiative dielectric waveguide superconducting band-pass filter apparatus |
| 10/21/1997 | US5680079 180-degree phase shifter |
| 10/16/1997 | WO1997038427A1 Distributed device for differential circuit |
| 10/15/1997 | EP0627128A4 Dual mode/dual band feed structures. |
| 10/15/1997 | EP0556398B1 Wide band frequency allotment type signal selection device utilizing electromagnetic coupling |
| 10/14/1997 | CA2104003C Dielectric filter construction |
| 10/08/1997 | EP0800225A2 A coaxial termination arrangement |
| 10/08/1997 | EP0799506A1 Omnidirectional antenna and process for producing the same |
| 10/08/1997 | CN1161582A Bandwidth-adjusted wavelength demultiplexer |
| 10/02/1997 | WO1997036341A1 Low-pass filter with directional coupler and portable telephone set using the same |
| 10/02/1997 | WO1997036201A1 A method and device for waveguide connection |
| 10/02/1997 | CA2250247A1 A method and device for waveguide connection |
| 10/01/1997 | EP0798804A2 Device for coupling a probe to a waveguide |
| 10/01/1997 | EP0798782A2 Microwave circuit package |
| 10/01/1997 | EP0798646A1 Impedance stepping for increasing the operating speed of computer backplane busses |
| 10/01/1997 | CN1161107A 180 deg. power divider for a helix antenna |
| 09/30/1997 | US5673010 Power distributor system and power distributor for microwave signals having recurring hierarchical structure of distributor elements and coupler elements |
| 09/25/1997 | WO1997035357A1 Helical antenna with built-in duplexing means, and manufacturing methods therefor |
| 09/25/1997 | WO1997035356A1 Helix antenna with a built-in broadband power supply, and manufacturing methods therefor |
| 09/25/1997 | DE19614286C1 Coupling device for coupling resonator and connection lead |
| 09/25/1997 | CA2248884A1 Helical antenna with built-in duplexing means, and manufacturing methods therefor |
| 09/25/1997 | CA2248853A1 Helix antenna with a built-in broadband power supply, and manufacturing methods therefor |
| 09/24/1997 | EP0797297A2 Field effect transistor amplifier |
| 09/24/1997 | CN1160306A Multi-port radio frequency signal transformation network |
| 09/23/1997 | US5670918 Waveguide matching circuit having both capacitive susceptance regulating means and inductive materials |
| 09/17/1997 | EP0795957A1 Device comprising a passive, 180 degree phase-shifting coupling circuit |
| 09/17/1997 | EP0795210A1 Receiver module for receiving extremely high frequency electromagnetic directional radiation fields |
| 09/16/1997 | US5668512 Coplanar waveguide-mounted flip chip having coupled ground conductors |
| 09/16/1997 | US5668510 Four way RF power splitter/combiner |
| 09/12/1997 | WO1997033337A1 A high frequency balun provided in a multilayer substrate |
| 09/10/1997 | EP0793866A1 Planar antenna design |
| 09/10/1997 | CN1159259A Power combiner for use in radio frequency systema nd method of constructing power combiner |
| 09/10/1997 | CN1159254A Method for tuning summing network of base station |
| 09/10/1997 | CN1159083A Radio frequency power combiner |
| 09/09/1997 | US5666090 High-frequency coupler |
| 09/03/1997 | EP0793288A2 Dielectric integrated nonradiative dielectric waveguide superconducting band-pass filter apparatus |
| 09/03/1997 | CN1158504A Circularly polarized wave/linear polarized wave converter |
| 09/02/1997 | US5663693 Dielectric waveguide power combiner |
| 09/02/1997 | US5662816 Signal isolating microwave splitters/combiners |
| 08/20/1997 | EP0790660A2 Directional coupler for high frequency range |
| 08/20/1997 | EP0790503A1 Radiofrequency power measuring device |
| 08/20/1997 | CN1157670A Method for tuning summing network of base station and bandpass filter |
| 08/19/1997 | US5659275 TM dual mode dielectric resonator apparatus with a method for adjusting the coupling coefficients |
| 08/13/1997 | EP0789413A1 Dielectric filter, production method therefor and package member obtained by packaging the filter |