Inventor
STERN RICHARD A
US44 patents
⚠️ This page may combine multiple inventors who share the name “STERN RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
US ARMY
42 patentsUS4839659AJun 13, 1989
Microstrip phase scan antenna array
US ARMY191 citations99
US4745377AMay 17, 1988
Microstrip to dielectric waveguide transition
US ARMY239 citations99
US5189433AFeb 23, 1993
Slotted microstrip electronic scan antenna
US ARMY58 citations96
US4785304ANov 15, 1988
Phase scan antenna array
US ARMY135 citations95
US5243354ASep 7, 1993
Microstrip electronic scan antenna array
US ARMY51 citations93
US4845449AJul 4, 1989
Millimeter wave microstrip modulator/switch
US ARMY30 citations93
US4749966AJun 7, 1988
Millimeter wave microstrip circulator
US ARMY21 citations82
US4538123AAug 27, 1985
Dielectric waveguide bandpass apparatus
US ARMY25 citations82
USH1408HJan 3, 1995
Microwave circulator with a planar, biasing, permanent magnet
US ARMY12 citations74
US5258730ANov 2, 1993
Microstrip transmission line substrate to substrate transition
US ARMY7 citations74
US5177456AJan 5, 1993
Microstrip ferrite circulator for substrate transitioning
US ARMY10 citations74
US5160904ANov 3, 1992
Microstrip circuit with transition for different dielectric materials
US ARMY9 citations74
US5144320ASep 1, 1992
Switchable scan antenna array
US ARMY9 citations74
US4887054ADec 12, 1989
Compact microstrip latching reciprocal phase shifter
US ARMY7 citations74
US4881052ANov 14, 1989
Millimeter wave microstrip nonreciprocal phase shifter
US ARMY12 citations74
US4879562ANov 7, 1989
Slotted microstrip antenna with ferrite coating
US ARMY16 citations74
US4816787AMar 28, 1989
Millimeter wave microstrip phase shifter
US ARMY12 citations74
US4806886AFeb 21, 1989
Microstrip resonance isolator
US ARMY13 citations74
US4777454AOct 11, 1988
Switchable dielectric waveguide circulator
US ARMY7 citations74
US4754237AJun 28, 1988
Switchable millimeter wave microstrip circulator
US ARMY9 citations74
US4691208ASep 1, 1987
Ferrite waveguide scanning antenna
US ARMY17 citations74
US4575727AMar 11, 1986
Monolithic millimeter-wave electronic scan antenna using Schottky barrier control and method for making same
US ARMY8 citations74
US4564000AJan 14, 1986
Precision cutting of millimeter wave ferrite materials
US ARMY13 citations74
US4517536AMay 14, 1985
Low loss dielectric waveguide joint and method of forming same
US ARMY8 citations74
US4490700ADec 25, 1984
Dielectric waveguide ferrite modulator/switch
US ARMY13 citations74
US4459567AJul 10, 1984
Dielectric waveguide ferrite resonance isolator
US ARMY8 citations74
US4458218AJul 3, 1984
Dielectric waveguide reciprocal ferrite phase shifter
US ARMY13 citations74
US4415871ANov 15, 1983
Dielectric waveguide circulator
US ARMY12 citations74
US4468673AAug 28, 1984
Frequency scan antenna utilizing supported dielectric waveguide
US ARMY9 citations72
US4746926AMay 24, 1988
Phase scan antenna
US ARMY13 citations69
US5413983AMay 9, 1995
Millimeter wave ferrite switch utilizing a superconducting switching coil
US ARMY4 citations63
US5180997AJan 19, 1993
Microstrip high reverse loss isolator
US ARMY6 citations63
US4862117AAug 29, 1989
Compact millimeter wave microstrip circulator
US ARMY4 citations63
US4843357AJun 27, 1989
Tetrahedral junction waveguide switch
US ARMY4 citations63
US4755827AJul 5, 1988
Millimeter wavelength monolithic ferrite circulator/antenna device
US ARMY5 citations63
US4568897AFeb 4, 1986
Millimeter-wave cut-off switch
US ARMY3 citations63
US4565982AJan 21, 1986
Millimeter-wave electronic phase shifter using Schottky barrier control
US ARMY4 citations63
US4542357ASep 17, 1985
Dielectric waveguide ferrite resonance isolator
US ARMY4 citations63
US4446448AMay 1, 1984
Biasing magnet holder-tuning cap for dielectric waveguide circulator
US ARMY6 citations63
US4424517AJan 3, 1984
Integrated dielectric waveguide radar front end device
US ARMY4 citations63
US4389650AJun 21, 1983
Line source antenna for electronic beam scanning
US ARMY4 citations63
US4092647AMay 30, 1978
Line source antenna for small angle electronic beam scanning
US ARMY3 citations54