Patents
Patents for H01P 3 - Waveguides; Transmission lines of the waveguide type (6,477)
08/1992
08/26/1992EP0500036A1 Wave-guides for micro-wave ovens
08/23/1992CA2061619A1 Microwave oven waveguide
08/19/1992EP0498893A1 Microwave multi-stage amplifier
08/18/1992US5140382 Microwave integrated circuit using a distributed line with a variable effective length
08/12/1992EP0498677A2 Improvement in or relating to a printed-circuit board
08/09/1992CA2060840A1 Printed-circuit board
07/1992
07/23/1992WO1992012548A1 High-frequency device
07/23/1992DE4101255A1 Absorber chamber for drying air - in hollow conductor e.g. of radar or radio equipment
07/21/1992US5132641 Apparatus and method for dividing/combining microwave power from an odd number of transistor chips
07/01/1992EP0492357A1 Coplanar 3dB quadrature coupler
06/1992
06/21/1992CA2056738A1 Coplanar 3db quadrature coupler
06/03/1992EP0488160A1 Multistage amplifier
06/02/1992US5119052 GaAs monolithic waveguide switch
06/02/1992CA1302527C Quasi-optical stripline devices
05/1992
05/26/1992US5117237 Quasi-optical stripline devices
05/26/1992US5117207 Monolithic microwave airbridge
05/20/1992EP0486273A1 Package for microwave IC
05/20/1992EP0485852A1 Plug and receptacle of a microstrip line connector
05/20/1992EP0485806A2 Superconducting microwave parts
05/06/1992EP0484254A2 Superconducting wiring lines and process for fabricating the same
05/06/1992EP0483784A2 Superconducting microwave parts
04/1992
04/29/1992EP0482456A1 Dual septum polarization rotator
04/23/1992DE4032260C1 Microwave strip conductor - has conductive track formed on surface of substrate, e.g. gallium arsenide
04/15/1992EP0480025A1 Integrated emi filter and thermal heat sink.
04/08/1992EP0478962A2 Microwave-stripline assembly
04/07/1992US5103196 Microstrip line having a changed effective line length
04/01/1992EP0478160A2 IC package with electric conductor lines in dielectric package body
03/1992
03/17/1992US5097233 Coplanar 3dB quadrature coupler
03/17/1992US5097232 Transmission lines for wafer-scale integration and method for increasing signal transmission speeds
03/04/1992WO1992004743A1 Microwave multi-stage amplifier
02/1992
02/05/1992EP0288559B1 Microwave antenna array waveguide assembly
01/1992
01/29/1992EP0468801A2 Distributed constant circuit board using ceramic substrate material
01/22/1992EP0467818A1 Transition element between electromagnetic waveguides, especially between a circular waveguide and a coaxial waveguide
01/14/1992CA1294337C Coaxial transmission-line matrix including in-plane crossover
12/1991
12/24/1991US5075655 Ultra-low-loss strip-type transmission lines, formed of bonded substrate layers
12/12/1991WO1991019329A1 Microstrip-type slow wave transmission line and circuit comprising such a line
12/11/1991EP0389619A4 Curved plastic body with circuit pattern and method of making
12/10/1991US5072201 Support for microwave transmission line, notably of the symmetrical strip line type
12/04/1991EP0459571A1 Microstrip slow wave transmission line and circuit including such a line
12/03/1991CA1292789C Dielectric waveguide having higher order mode suppression
11/1991
11/27/1991EP0458364A2 Microwave device
11/27/1991CN2089659U General wave guide cavity for microwave and millimeter wave semiconductor device
11/26/1991US5068632 Semi-rigid cable designed for the transmission of microwaves
11/26/1991CA2043102A1 Microwave device
11/21/1991EP0457468A2 Integrated electronic assembly comprising a transmission line
11/14/1991WO1991017645A1 Integrated emi filter and thermal heat sink
11/12/1991US5065160 Radar transponder
11/12/1991US5065124 DC-40 GHz module interface
11/12/1991US5065122 Metallizing fluoroplastic substrate
10/1991
10/30/1991EP0453744A1 Nonlinear transmission lines having noncommensurate varactor cells
10/29/1991US5061824 Backpanel having multiple logic family signal layers
10/29/1991US5061037 Dual septum polarization rotator
10/23/1991EP0453146A2 Ridge-trough waveguide
10/23/1991EP0452917A2 Microwave device
10/20/1991CA2040795A1 Microwave device
10/17/1991DE4011829A1 Dielectric waveguide for microwave
10/16/1991EP0451493A1 Dielectric waveguide
10/15/1991US5057798 Space-saving two-sided microwave circuitry for hybrid circuits
09/1991
09/26/1991DE4009288A1 Rectangular waveguide unit with E and H double offset - has section with projecting surfaces to control wave propagation with low reflection content
09/24/1991US5051373 Method of fabricating MMIC semiconductor integrated circuits using the RF and DC measurements of an active device on a substrate to design the passive elements, which are then E-beam written to the substrate
09/10/1991US5047829 Monolithic p-i-n diode limiter
09/04/1991EP0444820A2 MMIC package and connection
09/03/1991US5045819 Multilayer-multiconductor microstrips for digital integrated circuits
09/03/1991CA1288485C Dielectric waveguide delay line
08/1991
08/27/1991US5042931 System of mirrors for guiding an electromagnetic wave
08/14/1991EP0441293A1 Cooled waveguide
07/1991
07/31/1991EP0438738A1 Quasi optical component for microwave radiation
07/24/1991EP0438124A2 Magnetostatic wave device
07/24/1991EP0438056A2 High-Frequency circuit package
07/09/1991US5030931 Folding delay line
07/09/1991US5030793 Integrated EMI filter and thermal heat sink
07/02/1991US5028896 Stripline circuit
06/1991
06/27/1991WO1991009432A1 Impedance-matching coupler
06/25/1991US5027088 Signal wiring board
06/19/1991EP0432775A2 Switched-loop 180 degrees phase bit device with aperture shutter capabilities
06/11/1991US5023703 Semiconductor device
06/11/1991US5023574 Nonlinear transmission lines having noncommensurate varactor cells
06/05/1991EP0429531A1 Improvements in electromagnetic screening.
06/04/1991US5021759 Package for very high frequency integrated circuits
05/1991
05/29/1991EP0429042A1 A microstrip line having a changed effective line length and a method of manufacturing same
05/22/1991EP0428026A2 Radiating coaxial cable with improved water-blocking characteristics
05/22/1991EP0428025A2 Apparatus and method for insulating electrical leads
05/21/1991US5017509 Stand-off transmission lines and method for making same
05/15/1991EP0426855A1 Converter of higher-order wave of a round waveguide into a mirror-type transmission line wave
05/14/1991CA2027775A1 Apparatus and method for insulating electrical leads
05/07/1991US5014024 Bandpass filter and method of trimming response characteristics thereof
05/07/1991US5014022 Switched-loop/180 degree phase bit with aperture shutter capabilities
04/1991
04/30/1991US5012319 Integrated electronic assembly comprising a transmission line
03/1991
03/26/1991US5003273 Multilayer printed circuit board with pseudo-coaxial transmission lines
03/20/1991EP0418148A1 Method of making a polymethylpentene based metallized support
03/19/1991US5001492 An antenna system
03/06/1991EP0415558A2 Bandpass filter and method of trimming response characteristics thereof
02/1991
02/27/1991EP0414546A2 Backpanel having multiple logic family signal layers
02/23/1991CA2011933A1 Backpanel having multiple logic family signal layers
02/13/1991EP0412603A2 Storage device for surplus length of an optical conductor
02/12/1991US4992762 Ridge-trough waveguide
01/1991
01/23/1991CN1011315B Core for investment pattern for electrocast twist wave guide and manufacturing method thereof
12/1990
12/25/1990US4980689 Radar transponder
12/19/1990EP0402628A2 Improved semi-flexible double-ridge waveguide
12/18/1990US4978934 Semi-flexible double-ridge waveguide
1 ... 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65