Inventor
DE HAAN ADMINISTRATOR BY FRIED
10 patents
Patents
10 patentsUS4399328AAug 16, 1983
Direction and frequency independent column of electro-acoustic transducers
PHILIPS CORP50 citations91
US4114406ASep 19, 1978
Washing machine
PHILIPS CORP59 citations91
US4366346ADec 28, 1982
Artificial reverberation apparatus
PHILIPS CORP8 citations73
US4361727ANov 30, 1982
Sound reproducing arrangement for artificial reverberation
PHILIPS CORP8 citations72
US4352954AOct 5, 1982
Artificial reverberation apparatus for audio frequency signals
PHILIPS CORP11 citations72
US4546305AOct 8, 1985
Mains-voltage discrimination device
PHILIPS CORP18 citations71
US4847534AJul 11, 1989
High-pressure discharge lamp with torsionally wound electrode structure
PHILIPS CORP12 citations65
US4375623AMar 1, 1983
Arrangement for the transmission of audio signals
PHILIPS CORP6 citations61
US4480229AOct 30, 1984
Amplifier arrangement with parallel-operated amplifier sections
PHILIPS CORP4 citations59
US4406994ASep 27, 1983
Wire-wound resistor
PHILIPS CORP5 citations54