Assignee
ELECTROMAGNETIC SCIENCES INC
17 granted patents·570 citations·filing 1974–1997
Top patents by PatentIndex Score
17 records- 0196US5304999APolarization agility in an RF radiator module for use in a phased arrayELECTROMAGNETIC SCIENCES INC·Filed 1991·Granted Apr 19, 1994·211 cites·25 claims
- 0284US5129099AReciprocal hybrid mode rf circuit for coupling rf transceiver to an rf radiatorELECTROMAGNETIC SCIENCES INC·Filed 1989·Granted Jul 7, 1992·36 cites·18 claims
- 0384US4697158AReduced height waveguide circulatorELECTROMAGNETIC SCIENCES INC·Filed 1986·Granted Sep 29, 1987·46 cites·21 claims
- 0483US5075648AHybrid mode rf phase shifter and variable power divider using the sameELECTROMAGNETIC SCIENCES INC·Filed 1989·Granted Dec 24, 1991·33 cites·37 claims
- 0581US4673946ARidged waveguide to rectangular waveguide adaptor useful for feeding phased array antennaELECTROMAGNETIC SCIENCES INC·Filed 1985·Granted Jun 16, 1987·29 cites·26 claims
- 0678US4445098AMethod and apparatus for fast-switching dual-toroid microwave phase shifterELECTROMAGNETIC SCIENCES INC·Filed 1982·Granted Apr 24, 1984·24 cites·79 claims
- 0769US5844529AAntenna enclosure with a stress-free connection along the length of the radomeELECTROMAGNETIC SCIENCES INC·Filed 1997·Granted Dec 1, 1998·41 cites·21 claims
- 0863US4980691ADistributed planar array beam steering control with aircraft roll compensationELECTROMAGNETIC SCIENCES INC·Filed 1989·Granted Dec 25, 1990·32 cites·32 claims
- 0962US4884045AFast switching reciprocal ferrite phase shifterELECTROMAGNETIC SCIENCES INC·Filed 1988·Granted Nov 28, 1989·22 cites·35 claims
- 1054US4140971AProximity detection system utilizing a movable magnet for saturating an inductor core wherein the rise time of a plurality of such inductors are comparedELECTROMAGNETIC SCIENCES INC·Filed 1977·Granted Feb 20, 1979·18 cites·8 claims
- 1153US5278574AMounting structure for multi-element phased array antennaELECTROMAGNETIC SCIENCES INC·Filed 1991·Granted Jan 11, 1994·23 cites·59 claims
- 1252US5170138ASingle toroid hybrid mode RF phase shifterELECTROMAGNETIC SCIENCES INC·Filed 1991·Granted Dec 8, 1992·12 cites·30 claims
- 1347US4801902AWaveguide circulator with I/O port impedance matching produced by ferrite-port gap dimensioningELECTROMAGNETIC SCIENCES INC·Filed 1987·Granted Jan 31, 1989·10 cites·14 claims
- 1445US5089716ASimplified driver for controlled flux ferrite phase shifterELECTROMAGNETIC SCIENCES INC·Filed 1989·Granted Feb 18, 1992·10 cites·23 claims
- 1542US5144319APlanar substrate ferrite/diode phase shifter for phased array applicationsELECTROMAGNETIC SCIENCES INC·Filed 1991·Granted Sep 1, 1992·12 cites·32 claims
- 1636US3946340APhase shifterELECTROMAGNETIC SCIENCES INC·Filed 1974·Granted Mar 23, 1976·7 cites·3 claims
- 1730US4012644ABlocking oscillator driver for a microwave latching ferrite deviceELECTROMAGNETIC SCIENCES INC·Filed 1975·Granted Mar 15, 1977·4 cites·7 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →