Inventor
HOPWOOD FRANCIS W
22 patents
⚠️ This page may combine multiple inventors who share the name “HOPWOOD FRANCIS W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WESTINGHOUSE ELECTRIC CORP
13 patentsUS5079557AJan 7, 1992
Phased array antenna architecture and related method
WESTINGHOUSE ELECTRIC CORP60 citations92
US4123719AOct 31, 1978
Chirp phase distortion detector in a wideband linearization feedback control loop
WESTINGHOUSE ELECTRIC CORP41 citations91
US4009448AFeb 22, 1977
Phase lock loop for a voltage controlled oscillator
WESTINGHOUSE ELECTRIC CORP52 citations91
US5023572AJun 11, 1991
Voltage-controlled oscillator with rapid tuning loop and method for tuning same
WESTINGHOUSE ELECTRIC CORP44 citations90
US4749995AJun 7, 1988
Phased array radar antenna system
WESTINGHOUSE ELECTRIC CORP42 citations90
US4318055AMar 2, 1982
Digitally controlled phase lock distillator system
WESTINGHOUSE ELECTRIC CORP38 citations90
US4099137AJul 4, 1978
High speed phase lock control for frequency switching
WESTINGHOUSE ELECTRIC CORP52 citations86
US4160958AJul 10, 1979
Sampling linearizer utilizing a phase shifter
WESTINGHOUSE ELECTRIC CORP24 citations82
US4586044AApr 29, 1986
Clutter positioning for electronically agile multi-beam radars
WESTINGHOUSE ELECTRIC CORP18 citations73
US4847624AJul 11, 1989
Coordinate system transformation apparatus for a high resolution radar
WESTINGHOUSE ELECTRIC CORP10 citations71
US4096445AJun 20, 1978
Electromechanical vibration filter for radar master oscillators
WESTINGHOUSE ELECTRIC CORP13 citations71
US5155492AOct 13, 1992
Dual mode active aperture
WESTINGHOUSE ELECTRIC CORP14 citations68
US4071844AJan 31, 1978
Frequency control for frequency agile pulse radar
WESTINGHOUSE ELECTRIC CORP14 citations68
NORTHROP GRUMMAN CORP
5 patentsUS5940031AAug 17, 1999
Transmit/receive module for planar active apertures
NORTHROP GRUMMAN CORP69 citations93
US5745076AApr 28, 1998
Transmit/receive module for planar active apertures
NORTHROP GRUMMAN CORP74 citations93
US5726662AMar 10, 1998
Frequency compensated multi-beam antenna and method therefor
NORTHROP GRUMMAN CORP27 citations92
US6081226AJun 27, 2000
Multi-mode radar exciter
NORTHROP GRUMMAN CORP46 citations89
US7286209B1Oct 23, 2007
Generation of wideband high power coherent optical radar signals
NORTHROP GRUMMAN CORP6 citations57