Inventor
COOPER DUANE H
13 patents
⚠️ This page may combine multiple inventors who share the name “COOPER DUANE H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
COOPER DUANE H
12 patentsUS5333200AJul 26, 1994
Head diffraction compensated stereo system with loud speaker array
COOPER DUANE H112 citations97
US5136651AAug 4, 1992
Head diffraction compensated stereo system
COOPER DUANE H59 citations95
US4975954ADec 4, 1990
Head diffraction compensated stereo system with optimal equalization
COOPER DUANE H59 citations95
US4910779AMar 20, 1990
Head diffraction compensated stereo system with optimal equalization
COOPER DUANE H82 citations95
US4893342AJan 9, 1990
Head diffraction compensated stereo system
COOPER DUANE H49 citations95
US5034983AJul 23, 1991
Head diffraction compensated stereo system
COOPER DUANE H36 citations92
US4149031AApr 10, 1979
Multichannel matrix logic and encoding systems
COOPER DUANE H22 citations81
US4085291AApr 18, 1978
Synthetic supplementary channel matrix decoding systems
COOPER DUANE H10 citations73
US3970788AJul 20, 1976
Monaural and stereo compatible multidirectional sound matrixing
COOPER DUANE H10 citations73
US3946165AMar 23, 1976
Method and apparatus for control of crosstalk in multiple frequency recording
COOPER DUANE H9 citations73
US3985978AOct 12, 1976
Method and apparatus for control of FM beat distortion
COOPER DUANE H4 citations62
US3989903ANov 2, 1976
Multi-directional sound signal recording and/or reproducing system with crosstalk compensation means
COOPER DUANE H6 citations61