| Patents for H01P 1 - Auxiliary devices (25,484) |
|---|
| 08/22/1989 | CA1258696A1 Simplified phase-controlled television broadcast switching circuit and three-position coaxial lc phase shifter therefor |
| 08/16/1989 | EP0328013A2 Electrical wave guide switch |
| 08/15/1989 | US4858159 Frequency-tuneable filter calibration |
| 08/15/1989 | US4857871 Magnetic field-tunable filter with plural section housing and method of making the same |
| 08/10/1989 | WO1989007346A1 Waveguide windows |
| 08/10/1989 | DE3802578A1 Waveguide bandpass filter |
| 08/09/1989 | EP0327138A1 Wide bandwidth R.F. load |
| 08/08/1989 | US4855694 Lumped element circulator having a conductive pedestal frame structure |
| 08/08/1989 | US4855693 Dielectric filter and a method of manufacture thereof |
| 08/08/1989 | CA1258289A1 Apparatus for varying the magnetic field for a magnetic resonance element |
| 08/03/1989 | DE3802662A1 Phase-controlled antenna |
| 08/02/1989 | EP0326498A1 Resonant circuit and filter using it |
| 08/02/1989 | EP0325759A1 Antenna selector |
| 08/01/1989 | US4853660 Integratable microwave devices based on ferromagnetic films disposed on dielectric substrates |
| 08/01/1989 | US4853658 Microwave phase shifters |
| 08/01/1989 | US4853657 Orthogonal-polarization duplex send-receive microwave head |
| 08/01/1989 | US4853649 Distributed fet amplifier and bias voltage supply circuit therefor |
| 07/27/1989 | WO1989006869A1 Mode transformer for hyper-frequency power transmission circuit |
| 07/26/1989 | EP0325340A2 Fast switching reciprocal ferrite phase shifter |
| 07/26/1989 | EP0325282A2 Resonance absorption-type microstrip line isolator |
| 07/25/1989 | US4851801 Microwave C-switches and S-switches |
| 07/25/1989 | US4851797 1/2 Wavelength side coupled filter |
| 07/25/1989 | US4851793 Waffleline - configured transmission link |
| 07/25/1989 | US4850903 System for connecting elements operating at ultrahigh frequency, incorporating a joint |
| 07/25/1989 | CA1257913A1 Device for combining two alternating signals of identical frequency |
| 07/19/1989 | EP0324512A2 A dielectric filter |
| 07/19/1989 | EP0324453A2 Distributed-constant filter |
| 07/18/1989 | US4849724 Waveguide band-pass filter |
| 07/18/1989 | US4849722 Adjustable band suspended substrate filter |
| 07/18/1989 | US4849720 Orthogonal mode tee |
| 07/18/1989 | CA1257667A1 Power combiner, polarizer and structure including a waveguide section rotated by a stepper motor arrangement |
| 07/18/1989 | CA1257666A1 Three access polarization and frequency duplexing device |
| 07/13/1989 | WO1989006445A1 Multipactor device with radioactive electron source |
| 07/11/1989 | US4847579 Ferromagnetic resonator |
| 07/11/1989 | US4847574 Wide bandwidth multiband feed system with polarization diversity |
| 07/11/1989 | US4846696 Microwave stripline connector |
| 07/11/1989 | CA1257349A1 Temperature compensated microwave resonator |
| 07/11/1989 | CA1257348A1 Microwave directional filter with quasi-elliptic response |
| 07/05/1989 | EP0323153A1 Coaxial Electrical Connector |
| 07/05/1989 | EP0322993A2 Ceramic filter |
| 07/05/1989 | EP0322780A2 Dielectric filter with attenuation pole |
| 07/04/1989 | US4845449 Millimeter wave microstrip modulator/switch |
| 07/04/1989 | US4845448 Arrangement in wave guide flanges |
| 07/04/1989 | US4845439 Frequency selective limiting device |
| 07/04/1989 | CA1256954A1 Wideband short slot hybrid coupler |
| 06/29/1989 | DE3742670A1 Microwave assembly having a circuit, using microstrip technology, which is arranged in a housing |
| 06/27/1989 | US4843358 Electrically positionable short-circuits |
| 06/27/1989 | US4843357 Tetrahedral junction waveguide switch |
| 06/27/1989 | US4843355 Programmable mechanical delay line |
| 06/27/1989 | US4843354 Broad band microwave biasing networks suitable for being provided in monolithic integrated circuit form |
| 06/27/1989 | US4843353 Dielectric slab transistions and power couplers |
| 06/27/1989 | CA1256518A1 Coupling device between an electromagnetic surface wave line and an external microstrip line |
| 06/20/1989 | US4841262 Radio frequency power modification without phase shift |
| 06/20/1989 | US4841261 Microwave rotary junction with external rotary energy coupling |
| 06/15/1989 | WO1989005529A1 Microwave circuit element |
| 06/14/1989 | EP0320268A1 Waveguide band-pass filter |
| 06/14/1989 | EP0319753A1 Exciting or feeding system for a parabolic antenna |
| 06/14/1989 | EP0319629A1 Method of effectuating a microwave transition between two orthogonal guiding structures, und microwave circuit using it |
| 06/13/1989 | US4839773 Dielectric filter |
| 06/13/1989 | US4839659 Microstrip phase scan antenna array |
| 06/13/1989 | US4839619 Relay for wideband signals |
| 06/13/1989 | US4838813 Terminator plug with electrical resistor |
| 06/07/1989 | EP0318478A1 Multiple resonator component-mountable filter. |
| 06/06/1989 | US4837535 Resonant wave filter |
| 06/06/1989 | US4837534 Ceramic block filter with bidirectional tuning |
| 06/06/1989 | US4837531 Three-access polarization and frequency duplexing device |
| 06/06/1989 | US4837530 Wideband (DC-50 GHz) MMIC FET variable matched attenuator |
| 06/06/1989 | US4837528 Microwave phase shifter |
| 06/01/1989 | WO1989005046A1 A transmission line resonator |
| 05/31/1989 | EP0318311A2 A stripline to stripline transition |
| 05/31/1989 | EP0179071B1 Switch for a square coaxial line |
| 05/30/1989 | US4835543 Dielectric slab antennas |
| 05/30/1989 | US4835500 Dielectric slab optically controlled devices |
| 05/30/1989 | US4835499 Voltage tunable bandpass filter |
| 05/30/1989 | US4835498 Tunable microwave filtering device with dielectric resonator, and applications |
| 05/30/1989 | US4835495 Diode device packaging arrangement |
| 05/24/1989 | EP0316397A1 Semiconductor device |
| 05/24/1989 | EP0162058B1 Directional coupler for separation of signals in two frequency bands while preserving their polarization characteristics |
| 05/24/1989 | DE3902781A1 Waveguide frequency filter |
| 05/23/1989 | US4833428 14/12 GHz Duplexer |
| 05/17/1989 | CN2037875U Platelike-wire multi-cavity bandpass filter |
| 05/16/1989 | US4831222 Integrated pad switch |
| 05/10/1989 | EP0315141A1 Excitation arrangement of a circular polarised wave with a patch antenna in a waveguide |
| 05/10/1989 | EP0314883A2 Terminal impedance for high-frequency lines or circuits |
| 05/09/1989 | US4829313 Drive system and filament for a twistable septum in a feedhorn |
| 05/09/1989 | US4829274 Multiple resonator dielectric filter |
| 05/09/1989 | US4829271 Coaxial RF switch matrix |
| 05/03/1989 | EP0313650A1 Microwave absorber attenuator for linear sspa power control. |
| 05/03/1989 | DE3735630A1 Arrangement for exciting an H21 wave in a coaxial line |
| 05/02/1989 | US4827327 Integrated circuit device having stacked conductive layers connecting circuit elements therethrough |
| 05/02/1989 | US4827230 Magnet design for ferromagnetic resonators |
| 04/27/1989 | DE3734129A1 Waveguide angle |
| 04/26/1989 | EP0313342A2 Mode selective magnetostatic wave resonators |
| 04/25/1989 | US4824400 Connector for a coaxial line with corrugated outer conductor or a corrugated waveguide tube |
| 04/19/1989 | EP0312011A2 Dielectric filter |
| 04/18/1989 | US4823098 Monolithic ceramic filter with bandstop function |
| 04/18/1989 | US4823097 Microwave directional coupler |
| 04/18/1989 | CA1252883A1 Primary radiator for circularly polarized wave |
| 04/12/1989 | EP0311406A2 Transmisson line |
| 04/12/1989 | CN1003902B Wide-band short slot hybrid coupler |