Assignee
SPERRY MARINE INC
US·49 granted patents·1,636 citations·filing 1985–1998
Top patents by PatentIndex Score
49 records- 0195US5136669AVariable ratio fiber optic coupler optical signal processing elementSPERRY MARINE INC·Filed 1991·Granted Aug 4, 1992·180 cites·10 claims
- 0293US5053758ATouchscreen control panel with sliding touch controlSPERRY MARINE INC·Filed 1990·Granted Oct 1, 1991·502 cites·12 claims
- 0389US4920412AAtmospheric obscurant penetrating target observation system with range gatingSPERRY MARINE INC·Filed 1988·Granted Apr 24, 1990·71 cites·13 claims
- 0488US5026984AMethods for sensing temperature, pressure and liquid level and variable ratio fiber optic coupler sensors thereforSPERRY MARINE INC·Filed 1990·Granted Jun 25, 1991·62 cites·14 claims
- 0588US4882481AAutomatic brightness control for image intensifiersSPERRY MARINE INC·Filed 1988·Granted Nov 21, 1989·40 cites·5 claims
- 0681US4845500ARadar video detector and target trackerSPERRY MARINE INC·Filed 1988·Granted Jul 4, 1989·57 cites·10 claims
- 0780US5128688AMast translation and rotation drive system utilizing a ball drive screw and nut assemblySPERRY MARINE INC·Filed 1990·Granted Jul 7, 1992·54 cites·19 claims
- 0877US5107424AConfigurable marine steering systemSPERRY MARINE INC·Filed 1990·Granted Apr 21, 1992·57 cites·19 claims
- 0975US5202695AOrientation stabilization by software simulated stabilized platformSPERRY MARINE INC·Filed 1990·Granted Apr 13, 1993·56 cites·17 claims
- 1068US6731845B1Panoramic visual system for non-rotating structuresSPERRY MARINE INC·Filed 1990·Granted May 4, 2004·32 cites·10 claims
- 1168US5274273AMethod and apparatus for establishing a threshold with the use of a delay lineSPERRY MARINE INC·Filed 1992·Granted Dec 28, 1993·27 cites·6 claims
- 1266US5671191AVariable coupler fiber optic sensor hydrophoneSPERRY MARINE INC·Filed 1989·Granted Sep 23, 1997·40 cites·12 claims
- 1366US4822991AOptically switched microwave pulse generatorSPERRY MARINE INC·Filed 1987·Granted Apr 18, 1989·17 cites·4 claims
- 1464US5148175AHigh resolution variable range gate generator with programmable timingSPERRY MARINE INC·Filed 1991·Granted Sep 15, 1992·44 cites·7 claims
- 1559US4952793ACircuit for gating an image intensifierSPERRY MARINE INC·Filed 1989·Granted Aug 28, 1990·16 cites·9 claims
- 1659US4872057APulse modulated automatic light control utilizing gated image intensifierSPERRY MARINE INC·Filed 1989·Granted Oct 3, 1989·18 cites·3 claims
- 1758US5012174AMethod and apparatus for countering vibrations of a platformSPERRY MARINE INC·Filed 1988·Granted Apr 30, 1991·23 cites·8 claims
- 1858US4969735APassive range finding apparatus utilizing television sensorsSPERRY MARINE INC·Filed 1989·Granted Nov 13, 1990·19 cites·8 claims
- 1957US5017793AOptically driven RF generatorSPERRY MARINE INC·Filed 1989·Granted May 21, 1991·11 cites·10 claims
- 2056US4996647ADigital statistical processing for signal parameter determinationSPERRY MARINE INC·Filed 1989·Granted Feb 26, 1991·22 cites·8 claims
- 2155US4879454AFiber optic fabrication furnaceSPERRY MARINE INC·Filed 1988·Granted Nov 7, 1989·16 cites·17 claims
- 2253US5015072AGlare reduction shieldSPERRY MARINE INC·Filed 1989·Granted May 14, 1991·22 cites·9 claims
- 2352US5074309ADevice for monitoring cardiovascular signals and fiber optic coupler phonocardio sensor thereforSPERRY MARINE INC·Filed 1989·Granted Dec 24, 1991·42 cites·10 claims
- 2450US4918706ASpread spectrum long loop receiverSPERRY MARINE INC·Filed 1988·Granted Apr 17, 1990·19 cites·10 claims
- 2549US4935817ADual mode all - light level television cameraSPERRY MARINE INC·Filed 1988·Granted Jun 19, 1990·10 cites·11 claims
- 2647US5028801AApparatus and method for multiplexing fiber optic sensorsSPERRY MARINE INC·Filed 1990·Granted Jul 2, 1991·12 cites·8 claims
- 2746US4799163AAutopilot with adaptive weather adjustment for marine vesselsSPERRY MARINE INC·Filed 1987·Granted Jan 17, 1989·12 cites·6 claims
- 2845US5267720AStructureborne noise isolatorSPERRY MARINE INC·Filed 1991·Granted Dec 7, 1993·15 cites·11 claims
- 2943US4974089ATelevision camera apparatus using gradient index rod lensSPERRY MARINE INC·Filed 1989·Granted Nov 27, 1990·7 cites·5 claims
- 3042US5034895AEnhanced performance bias integrator for marine automatic pilot systemSPERRY MARINE INC·Filed 1990·Granted Jul 23, 1991·13 cites·10 claims
- 3142US5003553ASpread spectrum phase locked loop with phase correctionSPERRY MARINE INC·Filed 1989·Granted Mar 26, 1991·7 cites·7 claims
- 3242US4970593AVideo image enhancement utilizing a two-dimensional digital aperture correction filterSPERRY MARINE INC·Filed 1989·Granted Nov 13, 1990·27 cites·7 claims
- 3342US4932036ASpread spectrum squaring loop with invalid phase measurement rejectionSPERRY MARINE INC·Filed 1989·Granted Jun 5, 1990·13 cites·11 claims
- 3441US4988196ATime domain Fraunhofer line discriminatorSPERRY MARINE INC·Filed 1989·Granted Jan 29, 1991·7 cites·19 claims
- 3538US5754140ABeam sharpened, low sidelobe antenna systemSPERRY MARINE INC·Filed 1996·Granted May 19, 1998·13 cites·20 claims
- 3638US4777602ADigital autopilot controller for marine vesselsSPERRY MARINE INC·Filed 1986·Granted Oct 11, 1988·8 cites·4 claims
- 3734US6056259ATuned vibration noise reducerSPERRY MARINE INC·Filed 1998·Granted May 2, 2000·7 cites·20 claims
- 3833US4929943AMarine compass rate-of-turn indicatorSPERRY MARINE INC·Filed 1988·Granted May 29, 1990·5 cites·7 claims
- 3930US4890105AStep data processor for 180X and 90X compass synchro dataSPERRY MARINE INC·Filed 1987·Granted Dec 26, 1989·5 cites·17 claims
- 4029US5049887ATarget range detector with moving target indicationSPERRY MARINE INC·Filed 1990·Granted Sep 17, 1991·10 cites·7 claims
- 4129US4965808ACode tracking apparatus with improved resolution for spread spectrum receiverSPERRY MARINE INC·Filed 1989·Granted Oct 23, 1990·3 cites·9 claims
- 4228US4985773AApparatus and method for inhibiting blooming in television camerasSPERRY MARINE INC·Filed 1989·Granted Jan 15, 1991·4 cites·13 claims
- 4328US4931792AShaft angle encoder interfaceSPERRY MARINE INC·Filed 1988·Granted Jun 5, 1990·3 cites·11 claims
- 4427US4915481AApparatus for preventing space charge buildup effects in electrically controllable optical transmission cellsSPERRY MARINE INC·Filed 1988·Granted Apr 10, 1990·1 cites·5 claims
- 4526US4924233ASensor input/output system with continuous compass interfaceSPERRY MARINE INC·Filed 1988·Granted May 8, 1990·1 cites·6 claims
- 4625US4806933ACW and pulse capable crystal video receiverSPERRY MARINE INC·Filed 1986·Granted Feb 21, 1989·1 cites·7 claims
- 4724US4724432AGeneration of graphic symbols for cathode ray tube displaysSPERRY MARINE INC·Filed 1985·Granted Feb 9, 1988·0 cites·5 claims
- 4823US4862458AMultiplexed built in test equipmentSPERRY MARINE INC·Filed 1987·Granted Aug 29, 1989·2 cites·4 claims
- 4915US5127069AAutomatic R. F. waveguide couplerSPERRY MARINE INC·Filed 1991·Granted Jun 30, 1992·3 cites·11 claims
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