Inventor · disambiguated record
Francis W. Hopwood
Also filed as: HOPWOOD FRANCIS W · HOPWOOD FRANCIS WILLIAM
24 granted patents·1 pending application·675 citations·filing 1975–2007
97Inventor score
Files withWESTINGHOUSE ELECTRIC CORP13NORTHROP GRUMMAN CORP5US AIR FORCE3NORTHROP GRUMMAN SYSTEMS CORP2HOPWOOD FRANCIS W1
Top patents by PatentIndex Score
25 records- 0190US4009448APhase lock loop for a voltage controlled oscillatorWESTINGHOUSE ELECTRIC CORP·Filed 1976·Granted Feb 22, 1977·52 cites·10 claims
- 0287US4123719AChirp phase distortion detector in a wideband linearization feedback control loopWESTINGHOUSE ELECTRIC CORP·Filed 1977·Granted Oct 31, 1978·41 cites·5 claims
- 0387US4099137AHigh speed phase lock control for frequency switchingWESTINGHOUSE ELECTRIC CORP·Filed 1977·Granted Jul 4, 1978·52 cites·7 claims
- 0486US4318055ADigitally controlled phase lock distillator systemWESTINGHOUSE ELECTRIC CORP·Filed 1979·Granted Mar 2, 1982·38 cites·6 claims
- 0583US5745076ATransmit/receive module for planar active aperturesNORTHROP GRUMMAN CORP·Filed 1996·Granted Apr 28, 1998·74 cites·20 claims
- 0683US5023572AVoltage-controlled oscillator with rapid tuning loop and method for tuning sameWESTINGHOUSE ELECTRIC CORP·Filed 1989·Granted Jun 11, 1991·44 cites·19 claims
- 0782US5940031ATransmit/receive module for planar active aperturesNORTHROP GRUMMAN CORP·Filed 1998·Granted Aug 17, 1999·69 cites·9 claims
- 0878US4160958ASampling linearizer utilizing a phase shifterWESTINGHOUSE ELECTRIC CORP·Filed 1978·Granted Jul 10, 1979·24 cites·15 claims
- 0977US5079557APhased array antenna architecture and related methodWESTINGHOUSE ELECTRIC CORP·Filed 1990·Granted Jan 7, 1992·60 cites·13 claims
- 1074US7286209B1Generation of wideband high power coherent optical radar signalsNORTHROP GRUMMAN CORP·Filed 2006·Granted Oct 23, 2007·6 cites·16 claims
- 1174US4749995APhased array radar antenna systemWESTINGHOUSE ELECTRIC CORP·Filed 1985·Granted Jun 7, 1988·42 cites·5 claims
- 1261US4586044AClutter positioning for electronically agile multi-beam radarsWESTINGHOUSE ELECTRIC CORP·Filed 1983·Granted Apr 29, 1986·18 cites·3 claims
- 1360US6081226AMulti-mode radar exciterNORTHROP GRUMMAN CORP·Filed 1998·Granted Jun 27, 2000·46 cites·20 claims
- 1460US5726662AFrequency compensated multi-beam antenna and method thereforNORTHROP GRUMMAN CORP·Filed 1995·Granted Mar 10, 1998·27 cites·8 claims
- 1557US7795647B2Curled semiconductor transistorNORTHROP GRUMMAN SYSTEMS CORP·Filed 2007·Granted Sep 14, 2010·1 cites·21 claims
- 1655US4096445AElectromechanical vibration filter for radar master oscillatorsWESTINGHOUSE ELECTRIC CORP·Filed 1977·Granted Jun 20, 1978·13 cites·9 claims
- 1754US4071844AFrequency control for frequency agile pulse radarWESTINGHOUSE ELECTRIC CORP·Filed 1976·Granted Jan 31, 1978·14 cites·8 claims
- 1850US6697148B1Optical radar with range and doppler measurement capabilityFiled 2002·Granted Feb 24, 2004·10 cites·18 claims
- 1950US3993962ALow noise parametric varactor diode crystal oscillatorUS AIR FORCE·Filed 1975·Granted Nov 23, 1976·9 cites·3 claims
- 2041US4847624ACoordinate system transformation apparatus for a high resolution radarWESTINGHOUSE ELECTRIC CORP·Filed 1987·Granted Jul 11, 1989·10 cites·6 claims
- 2140US5155492ADual mode active apertureWESTINGHOUSE ELECTRIC CORP·Filed 1991·Granted Oct 13, 1992·14 cites·26 claims
- 2240US4639688AWide-band phase locked loop amplifier apparatusUS AIR FORCE·Filed 1985·Granted Jan 27, 1987·5 cites·7 claims
- 2338US4573027ABulk acoustic resonator tracking filterUS AIR FORCE·Filed 1984·Granted Feb 25, 1986·6 cites·1 claims
- 2434US2006139620A1Method and apparatus for coherently processing signals from incoherent sources including laser signalsHOPWOOD FRANCIS W·Filed 2005·Application pending·0 cites
- 2533US7382311B2Method, computer program product and system for differentiating physical sources from second order nonlinear signal effectsNORTHROP GRUMMAN SYSTEMS CORP·Filed 2006·Granted Jun 3, 2008·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →