| Patents for H01P 1 - Auxiliary devices (25,484) |
|---|
| 03/05/1991 | US4998080 Microwave channelizer based on coupled YIG resonators |
| 02/27/1991 | EP0414619A2 Method of adjusting a frequency response in a three-conductor type filter device |
| 02/26/1991 | US4996506 Band elimination filter and dielectric resonator therefor |
| 02/26/1991 | US4996188 Superconducting microwave filter |
| 02/21/1991 | WO1991002390A1 Improved feeds for dual frequency feed assembly |
| 02/20/1991 | EP0413211A2 Microstrip line type resonator |
| 02/19/1991 | US4994775 Microwave |
| 02/13/1991 | EP0412627A2 Loaded line phase shifter |
| 02/12/1991 | US4992759 Filter having elements with distributed constants which associate two types of coupling |
| 02/12/1991 | CA1280179C Resonant microstrip-line circuit |
| 02/05/1991 | US4990871 Variable printed circuit waveguide filter |
| 02/05/1991 | US4990870 Waveguide bandpass filter having a non-contacting printed circuit filter assembly |
| 02/05/1991 | US4990869 UHF bandpass filter |
| 01/30/1991 | CN1048951A Multiple resonator component-mountable filter |
| 01/29/1991 | US4988963 High frequency coaxial line coupling device |
| 01/29/1991 | US4988962 Circuit for correcting group delay at microwave frequencies |
| 01/24/1991 | WO1991001047A1 Microwave strip line filter of temperature compensation type |
| 01/24/1991 | DE3923158A1 Multiposition coaxial microwave switch - has part of housing as rotor, retaining of recess, including coupling element |
| 01/23/1991 | EP0409374A2 A Microwave or Millimetre Wave Circuit |
| 01/23/1991 | EP0408842A2 On-off switch |
| 01/22/1991 | US4987393 Dielectric filter of solid mold type with frequency adjustment electrodes |
| 01/22/1991 | US4987392 Gallium arsenide antenna switch |
| 01/22/1991 | US4987378 Feedforward predistortion linearizer |
| 01/16/1991 | EP0408323A2 Discrete increment signal processing system and method using parallel branched N-state networks |
| 01/15/1991 | US4985800 Lighting protection apparatus for RF equipment and the like |
| 01/15/1991 | US4985709 Magnetostatic wave device |
| 01/15/1991 | US4985690 Dielectric stepped impedance resonator |
| 01/15/1991 | US4985689 Microwave semiconductor switch |
| 01/10/1991 | DE4002496C1 Polarisation rotator for linearly polarised guided wave - has waveguide extending through rotor in stator in direction of axis of rotation |
| 01/10/1991 | DE3920837A1 Controlled wideband damping element - uses 3 dB coupler with input and output gates and 2 earthed gates connected to respective impedances |
| 01/10/1991 | DE3920563A1 Energising and supply system for parabolic antenna - e.g. for satellite communications using polariser, polarisation switching device and converter for different, frequency ranges |
| 01/10/1991 | DE3920550A1 UHF filter with cavity resonator in adjacent chambers - uses sliding bushing-type capacitor in input or output circuit chamber adjusting transmission characteristics |
| 01/08/1991 | US4983938 Band-stop filter |
| 01/08/1991 | US4983937 Magnetostatic wave band-pass-filter |
| 01/08/1991 | US4983936 Ferromagnetic resonance device |
| 01/08/1991 | US4983865 High speed switch matrix |
| 01/03/1991 | DE3920603A1 UHF filter with several adjacent chambers - has one chamber conductive circuit, forming deformable bracket between two fastening points |
| 01/02/1991 | EP0405069A2 Temperature compensated damping network |
| 01/02/1991 | CN1011102B Multiple resonator component-mountable filter |
| 01/02/1991 | CA1278420C Electromagnetic shielding |
| 01/01/1991 | US4982171 Coaxial-waveguide phase shifter |
| 12/27/1990 | EP0404225A2 Radio receiver |
| 12/27/1990 | EP0403907A1 Extracting window for linearly polarized microwaves |
| 12/25/1990 | US4980689 Radar transponder |
| 12/25/1990 | US4980662 Multiplexed microwave filter, and method of adjusting such a filter |
| 12/25/1990 | US4980660 Antenna sharing apparatus for switchable transmit/receive filters |
| 12/25/1990 | US4980659 Microwave dual level transition |
| 12/25/1990 | US4980657 Coplanar waveguide frequency selective limiter |
| 12/19/1990 | EP0402873A2 Filter apparatus |
| 12/19/1990 | CA2019073A1 Radio receiver |
| 12/18/1990 | US4978932 Microwave digitally controlled solid-state attenuator having parallel switched paths |
| 12/18/1990 | CA1278115C Probe coupled waveguide multiplexer |
| 12/12/1990 | EP0401995A2 Microwave diplexer |
| 12/12/1990 | EP0401839A2 ceramic band-pass filter |
| 12/12/1990 | EP0401341A1 Low temperature cofired ceramic packages for microwave and millimeter wave gallium arsenide integrated circuits. |
| 12/11/1990 | US4977383 Resonator structure |
| 12/11/1990 | US4977382 Vector modulator phase shifter |
| 12/11/1990 | CA1277729C Multiple resonator component - mountable filter |
| 12/11/1990 | CA1277728C Thin film ferromagnetic resonance tuned filter |
| 12/11/1990 | CA1277727C Junction circulator for microwaves |
| 12/11/1990 | CA1277726C Junction circulator for high power, high-frequency use |
| 12/11/1990 | CA1277725C Junction circulator for high power, high-frequency use |
| 12/06/1990 | DE3937591C1 Reflection phase shifter switchable into several phase states - has impedance connected to gate of 3 DB coupler via PIN=diode switch |
| 12/05/1990 | EP0400963A2 Resonant frequency-temperature characteristics compensatable high frequency circuit elemental device |
| 12/05/1990 | EP0400833A2 Transmit and receive diplexer for circular polarization |
| 12/05/1990 | EP0400058A1 Waveguide windows. |
| 12/04/1990 | US4975664 Filter device |
| 12/04/1990 | US4975065 Microwave circuit module connector |
| 12/04/1990 | CA1277377C Ferrimagnetic resonator device |
| 11/28/1990 | EP0399770A1 Dielectric resonator device |
| 11/28/1990 | EP0399739A2 Waveguide switch |
| 11/28/1990 | CN1010637B Improvements to pin diode attenuators |
| 11/27/1990 | US4973924 Mode converter for microwave power transmission circuit |
| 11/22/1990 | EP0398159A1 Phase shifter without phase limit |
| 11/20/1990 | US4972199 Low cross-polarization radiator of circularly polarized radiation |
| 11/20/1990 | US4971856 Microwave components with a surface coating which imparts a very high RF loss |
| 11/20/1990 | US4970775 Batch fabrication of frequency selective limiter elements |
| 11/20/1990 | CA1276697C Ferromagnetic resonator having temperature compensation means using pre-coded compensation data |
| 11/15/1990 | WO1990013943A1 A high-frequency bandpass filter |
| 11/13/1990 | US4970480 Microwave diplexer |
| 11/13/1990 | US4970479 Multicoupler including frequency shift filters |
| 11/07/1990 | EP0396480A1 Method of adjusting a frequency response in a three-conductor type filter device |
| 11/07/1990 | EP0396123A2 Parallel connection multi-stage band-pass filter |
| 11/07/1990 | EP0395888A2 Coupling iris |
| 11/06/1990 | US4968957 Transmit and receive diplexer for circular polarization |
| 11/06/1990 | US4968945 Open tube resonator test setup for conductivity measurements |
| 11/06/1990 | US4968150 Process and arrangement for measuring the energy of a microwave pulse |
| 11/01/1990 | WO1990013154A1 Dual frequency microwave feed assembly |
| 11/01/1990 | WO1990013151A1 Generation of a high-frequency field in a useful volume |
| 10/31/1990 | EP0394795A1 Antenna having a parabolic reflector |
| 10/31/1990 | DE3910672A1 Terminating resistor (impedance) |
| 10/30/1990 | US4967174 Rotating coaxial switch |
| 10/30/1990 | US4967172 Microwave phase shifter circuit |
| 10/30/1990 | US4967171 Microwave integrated circuit |
| 10/30/1990 | US4967170 Rotary waveguide switch having arcuate waveguides realized by planar faces |
| 10/30/1990 | US4967168 Coaxial-wave guide coupling assemblages |
| 10/24/1990 | EP0393670A2 Self terminating connector and cable assembly |
| 10/24/1990 | EP0393338A2 Device for contacting a planar microwave circuit in a waveguide or a housing |
| 10/23/1990 | US4965868 Electromagnetic polarization selector |
| 10/23/1990 | US4965542 Magnetic switch for coaxial transmission lines |