Inventor
SISIDO MICHITAKA
JP4 patents
Patents
4 patentsUS5617112AApr 1, 1997
Display control device for controlling brightness of a display installed in a vehicular cabin
NEC CORP145 citations96
US5740262AApr 14, 1998
Noise removing apparatus using a microphone
NEC CORP23 citations91
US5699423ADec 16, 1997
Telephone set in which an echo signal is effectively cancelled in spite of being provided with a plurality of sound producing units
NEC CORP35 citations91
US5617472AApr 1, 1997
Noise suppression of acoustic signal in telephone set
NEC CORP28 citations91