| Patents for H01P 1 - Auxiliary devices (25,484) |
|---|
| 10/23/1990 | US4965541 Waveguide provided with double disk window assembly having dielectric disks |
| 10/23/1990 | US4965539 Microwave notch filter using pin diode shunted YIG resonators |
| 10/23/1990 | US4965538 Microwave attenuator |
| 10/23/1990 | US4965537 Tuneless monolithic ceramic filter manufactured by using an art-work mask process |
| 10/23/1990 | US4965530 Parallelled amplifier with switched isolation resistors |
| 10/18/1990 | WO1990012429A1 Band rejection filtering arrangement |
| 10/18/1990 | DE3912569A1 Verfahren und vorrichtung zur erzeugung eines elektrischen hochfrequenzfeldes in einem nutzraum Method and device for generation of an electrical high-frequency field in a useful space |
| 10/17/1990 | EP0392999A1 A field-twisting waveguide junction |
| 10/17/1990 | EP0392417A1 Dielectric resonator filter |
| 10/16/1990 | US4963945 Band rejection filtering arrangement |
| 10/16/1990 | US4963844 Dielectric waveguide-type filter |
| 10/16/1990 | US4963843 Stripline filter with combline resonators |
| 10/16/1990 | US4963842 Millimeter wave fin-line gas discharge receiver protector |
| 10/16/1990 | US4963841 Dielectric resonator filter |
| 10/16/1990 | US4962991 Quick-disconnect waveguide connector assembly |
| 10/10/1990 | EP0391326A2 Microwave switch for the protection of devices in cascade, effective even with equipment turned off |
| 10/10/1990 | EP0391184A2 Polarisation branch for two different frequency bands |
| 10/10/1990 | EP0390966A2 Simplified driver for controlled flux ferrite phase shifter |
| 10/03/1990 | EP0390350A2 Low cross-polarization radiator of circularly polarized radiation |
| 10/03/1990 | EP0390120A2 Fet monolithic microwave integrated circuit variable attenuator |
| 10/03/1990 | EP0389673A2 Phase shift circuit |
| 10/03/1990 | EP0389672A2 Hybrid mode RF phase shifter |
| 10/03/1990 | EP0389562A1 Mode transformer for hyper-frequency power transmission circuit |
| 10/02/1990 | US4961061 Phase-shifting combiner for electromagnetic waves |
| 10/02/1990 | US4960487 Process for making microwave energy attenuating circuits |
| 10/02/1990 | CA1274885A1 Dual mode waveguide filter employing coupling element for asymmetric response |
| 09/25/1990 | US4959873 Transmission line switch |
| 09/25/1990 | US4959658 Flat phased array antenna |
| 09/20/1990 | WO1990010958A1 Improvements in antenna polarizers |
| 09/20/1990 | DE3908359A1 Waveguide termination |
| 09/19/1990 | EP0387949A1 Integrated semiconductor device with an active insulator circuit |
| 09/12/1990 | EP0386889A1 Faraday rotation device |
| 09/11/1990 | US4956620 Waveguide mode converter and method using same |
| 09/04/1990 | US4954796 Multiple resonator dielectric filter |
| 08/30/1990 | DE3906286A1 Ceramic microwave filter having aperture-coupled ceramic resonators with steepened resonance curve |
| 08/28/1990 | US4952893 Attenuating circuit |
| 08/22/1990 | EP0383300A2 LC-type dielectric filter |
| 08/22/1990 | EP0383287A1 Adaptive phase and amplitude distributor |
| 08/21/1990 | US4951013 Phase shift controlled broadcast switching system |
| 08/21/1990 | US4951010 Polarization rotating apparatus for microwave signals |
| 08/21/1990 | US4951008 Suspended-line diode device comprising a triple plate line |
| 08/15/1990 | CN1009234B Microwave metallic cavity |
| 08/15/1990 | CN1009233B Microstrip transmission line for coupling to dielectric resonator |
| 08/08/1990 | EP0381412A2 Lumped constant non-reciprocal circuit element |
| 08/08/1990 | EP0381313A2 Television transmitter |
| 08/07/1990 | US4947142 Attenuation controlling by means of a monolithic device |
| 08/03/1990 | WO1990009040A1 Film resistor terminator |
| 08/02/1990 | DE3902594A1 Arrangement for rotating the polarisation plane of a linearly polarised microwave through 180@ |
| 08/02/1990 | DE3902593A1 Arrangement for rotating the polarisation plane of a linearly polarised microwave through 90@ |
| 08/02/1990 | DE3902581A1 Differential phase-shift arrangement |
| 08/01/1990 | EP0380212A2 Control for flexible probe |
| 07/31/1990 | US4945324 Thin film ferromagnetic resonance tuned filter |
| 07/31/1990 | US4945320 Microwave switch having at least two switching positions |
| 07/31/1990 | US4945318 Low frequency isolator for radio frequency hyperthermia probe |
| 07/31/1990 | US4944857 Depositing ferrite film on metallized substrate |
| 07/31/1990 | CA1272255A1 High power rf switch |
| 07/27/1990 | CA2008458A1 Control for flexible probe |
| 07/26/1990 | DE3901669A1 Low-inductance electrical connection between two planar circuits and method for producing a connection of this kind |
| 07/25/1990 | EP0379202A2 Phase inverter and push-pull amplifier using the same |
| 07/25/1990 | EP0292500B1 Waveguide switch |
| 07/24/1990 | US4943790 Resonance absorption-type microstrip line isolator |
| 07/18/1990 | EP0378179A2 Microwave proximity switch |
| 07/18/1990 | CN2059532U Low-loss, wide-band and high-pass wave filter |
| 07/17/1990 | US4942377 Rod type dielectric resonating device with coupling plates |
| 07/17/1990 | US4942376 Tubular microwave phase shifter |
| 07/17/1990 | CA1271818A1 Waveguide connecting device |
| 07/17/1990 | CA1271812A1 Signal converter |
| 07/12/1990 | WO1990007801A1 Temperature compensated stripline structure |
| 07/12/1990 | WO1990007800A1 Converter of higher-order wave of a round waveguide into a mirror-type transmission line wave |
| 07/12/1990 | WO1990007793A1 Low temperature cofired ceramic packages for microwave and millimeter wave gallium arsenide integrated circuits |
| 07/11/1990 | EP0377155A1 Dual frequency radiating device |
| 07/10/1990 | US4940955 Temperature compensated stripline structure |
| 07/10/1990 | CA1271533A1 Microwave filter equipped with multiply coupled cavity resonators |
| 07/10/1990 | CA1271532A1 Microwave filter |
| 07/05/1990 | DE3337116A1 Rotary connector for transmitting very high frequency waves |
| 07/04/1990 | EP0376540A2 Compensated microwave feed horn |
| 07/03/1990 | US4939521 Dual horn, multi-band radar detector |
| 07/03/1990 | US4939489 Filter having a dielectric resonator |
| 07/03/1990 | US4939488 Magnetostatic wave device |
| 07/03/1990 | US4939484 Transmission channel coupler for antenna |
| 07/03/1990 | US4939400 Transmission apparatus having split-coil type coaxial coupler |
| 07/03/1990 | CA1271237A1 Ferromagnetic resonator device |
| 06/27/1990 | EP0375016A2 Microwave comb-line band-pass filters |
| 06/27/1990 | EP0374720A2 Mode converter |
| 06/27/1990 | EP0374427A1 Microwave device for the correction of the group propagation time |
| 06/26/1990 | US4937542 Dielectric filter |
| 06/26/1990 | US4937533 Deformable diplexer filter signal coupling element apparatus |
| 06/21/1990 | CA2004857A1 Switched ring phase bit circuit |
| 06/20/1990 | EP0373803A2 R. F. switching circuits |
| 06/20/1990 | EP0373634A2 Waveguide matrix switch |
| 06/20/1990 | EP0373452A2 A second-harmonic-wave choking filter |
| 06/19/1990 | US4935709 Switchable coupling apparatus for television receiver only installation |
| 06/13/1990 | EP0373054A1 Ceramic part and process for making it |
| 06/13/1990 | EP0373028A1 Passive band-pass filter |
| 06/13/1990 | EP0372975A2 Couplers for extracting RF power from a gyrotron cavity directly into fundamental mode waveguide |
| 06/13/1990 | EP0372179A1 Method of procuring high-frequency energy, and its use |
| 06/12/1990 | US4933680 Microstrip antenna system with multiple frequency elements |
| 06/12/1990 | US4932673 Emi suppression gasket for millimeter waveguides |
| 06/06/1990 | EP0371494A2 Mode coupler for monopulse applications |
| 06/06/1990 | EP0371446A2 Band pass filter |