Inventor
DE POORTERE GERRIT F M
NL3 patents
Patents
3 patentsUS6134330AOct 17, 2000
Ultra bass
PHILIPS CORP95 citations93
US5737435AApr 7, 1998
Sound-reproducing apparatus comprising an acoustic horn, and acoustic horn for use in the apparatus
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US5057919AOct 15, 1991
Picture signal interpolation circuit with gamma compensation
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