Patents for H01P 5 - Coupling devices of the waveguide type (11,303)
08/1978
08/29/1978US4110712 Microstrip circuit having coplanar waveguide port
08/29/1978US4110709 Apparatus for coupling microwave energy from two oscillators to a common transmission line
07/1978
07/25/1978US4103262 Dual channel transmission of microwave power through an interface of relative rotation
07/18/1978US4101900 Modified t-bar fed slot antenna
06/1978
06/27/1978US4097826 Insular waveguide ring resonator filter
06/27/1978US4097821 Coaxial line IMPATT diode oscillator
06/27/1978US4097817 Cylindrical cavity power combiner for plurality of coaxial oscillators
06/06/1978US4093928 Microstrip hybrid ring coupler
06/06/1978US4093840 Parallel arrangement of applicator and process for applying microwaves to a material
05/1978
05/23/1978US4091343 Insular waveguide directional coupler
05/02/1978US4087767 L-type matching pad for coaxial lines
04/1978
04/18/1978US4085391 Micro-strip to a slotted line transducer
03/1978
03/28/1978US4081768 Single-stub transmission line elements in communication networks
03/28/1978US4081767 Double-stub transmission line elements in communication networks
03/21/1978US4080579 Stripline four port hybrid junction
03/14/1978US4079221 Microwave oven having waveguide feed with phase shifter
03/07/1978US4077113 Method of manufacturing an electro-optical switch
02/1978
02/21/1978US4075581 Stripline quadrature coupler
02/14/1978US4074265 Microwave power combiner
02/07/1978US4072913 Feed forward passive coupling system and method
02/07/1978US4072902 Receiver module and mixer thereof
01/1978
01/31/1978US4071833 Apparatus for coupling coaxial transmission line to rectangular waveguide
01/24/1978US4070639 Microwave 180° phase-bit device with integral loop transition
10/1977
10/18/1977US4054875 Microwave circuit for operating on microwave radiations
10/18/1977US4054850 Non-contacting radio frequency power coupler for relative linear motion
10/04/1977US4052683 Microwave device
09/1977
09/27/1977US4051447 Radio frequency coupler
09/13/1977US4048592 Arrangement for extracting divergence-measuring modes from a corrugated guide and tracking antenna incorporating same
09/13/1977US4048589 Receiver module and components thereof
09/06/1977US4047132 Multilayer printed circuit boards
09/06/1977US4047128 System filter for double frequency utilization
08/1977
08/30/1977US4045750 Electrical cable and coupling arrangement
08/09/1977US4041420 Shunted stepped waveguide transition
08/02/1977US4039976 Coaxial current probe
08/02/1977US4039975 E plane folded hybrid with coaxial difference port
07/1977
07/12/1977US4035748 Coaxial impedance transducer pad
07/12/1977US4035746 Concentric broadband power combiner or divider
07/05/1977US4034321 Method and apparatus for microstrip termination
07/05/1977US4034316 Circuit arrangement in strip line technique for a wide band balancing element
07/05/1977US4034315 Waveguide directional coupler
06/1977
06/28/1977US4032865 Radial impedance matching device package
06/28/1977US4032850 Coaxial balun with doubly balanced heterodyne converter
06/21/1977US4031487 Reciprocal microwave junction device
06/14/1977US4030051 N-section microwave resonator having rotary joint for variable coupling
06/07/1977US4028650 Microwave circuits constructed inside a waveguide
06/07/1977US4028643 Waveguide having strip dielectric structure
05/1977
05/31/1977US4027254 Directional coupler having interdigital comb electrodes
05/24/1977US4025878 Waveguide coupler having helically arranged coupling slots
05/10/1977US4023123 Microstrip reverse-phased hybrid ring coupler
04/1977
04/19/1977US4019162 Coaxial transmission line with reflection compensation
04/19/1977US4019161 Temperature compensated dielectric resonator device
03/1977
03/08/1977US4011529 Directional power detector for propagating waves
03/08/1977US4011528 Semi-lumped element coupler
03/01/1977US4010429 Coaxial disc-junction power divider
02/1977
02/15/1977US4008438 Rat-race mixer circuit
01/1977
01/25/1977US4005379 R.F. power distribution network for phased antenna array
01/18/1977US4004257 Transmission line filter
01/04/1977US4001730 Variable directional coupler having movable coupling lines
12/1976
12/21/1976US3999151 Crossguide hybrid coupler and a commutating hybrid using same to form a channel branching network
12/21/1976US3999150 Miniaturized strip-line directional coupler package having spirally wound coupling lines
11/1976
11/30/1976US3995239 Transition apparatus
11/30/1976US3995238 Image waveguide transmission line and mode launchers utilizing same
11/30/1976US3994559 Bidirectional guided mode optical film-fiber coupler
11/23/1976US3993966 In-line waveguide to coax transition
11/23/1976US3993886 Supply wave guide system in microwave ovens
11/09/1976US3991390 Series connected stripline balun
11/02/1976US3990026 Waveguides
11/02/1976US3990024 Microstrip/stripline impedance transformer
10/1976
10/26/1976US3988705 Balanced four-way power divider employing 3db, 90° couplers
10/26/1976US3988702 Waveguide section for connecting rectangular waveguide with elliptical waveguide
10/12/1976US3986188 Dual mode microwave amplifier subsystem
10/12/1976US3986148 Waveguide to co-axial line junctions
09/1976
09/14/1976US3980972 Proximity coupler
09/07/1976US3979699 Directional coupler cascading for signal enhancement
08/1976
08/31/1976US3978434 System separating filter for separating first and second doubly polarized frequency bands
08/24/1976US3976959 Planar balun
08/17/1976US3975695 Waveguide beyond cutoff coupler for coupling to resonant cavity
08/10/1976US3974465 Microwave device assemblies
08/10/1976US3974462 Stripline load for airborne antenna system
08/03/1976US3973226 Filter for electromagnetic waves
07/1976
07/27/1976US3972013 Adjustable sliding electrical contact for waveguide post and coaxial line termination
07/20/1976US3970973 Impedance standard apparatus
07/13/1976US3969691 Millimeter waveguide to microstrip transition
07/06/1976US3968458 Microwave power reflector using edge-guided mode
06/1976
06/29/1976US3967218 Edge-guided wave directional combiner
06/22/1976US3965445 Microstrip or stripline coupled-transmission-line impedance transformer
06/15/1976US3963998 Variable bandwidth tunable directional filter
05/1976
05/18/1976US3958193 Tapered septum waveguide transducer
05/18/1976US3958192 Dual septum waveguide transducer
05/04/1976US3955194 Microwave hybrid network producing desired phase difference for use in Doppler radar systems
05/04/1976US3955157 Wave guide pulse generator producing narrow width pulse
05/04/1976US3955156 Microwave power divider and magic tee each comprising coplanar and slot transmission lines
04/1976
04/13/1976US3950075 Light source for optical waveguide bundle
04/06/1976US3949328 Variable-reflectivity device for varying output power of microwave generator
03/1976
03/23/1976US3946339 Microstrip hybrid
03/09/1976US3943523 Airborne multi-mode radiating and receiving system
03/09/1976US3943519 Multiplexer-demultiplexer for a microwave antenna
03/02/1976US3942138 Short depth hardened waveguide launcher assembly element
03/02/1976US3942130 Coax-to-radial transition
02/1976
02/03/1976US3936778 Microstrip device having mode suppressing means