Inventor
VAN ALEM ANTONIUS A M
7 patents
Patents
7 patentsUS4351051ASep 21, 1982
Semiconductor laser device with an assembly block
PHILIPS CORP36 citations88
US4135083AJan 16, 1979
Optical scanning device
PHILIPS CORP50 citations87
US4533826AAug 6, 1985
Opto-electronic focusing-error detection device
PHILIPS CORP19 citations71
US4453241AJun 5, 1984
Optical scanning unit for reading information from an optical recording
PHILIPS CORP8 citations71
US4150399AApr 17, 1979
Apparatus for reading a record carrier with an optical information structure
PHILIPS CORP7 citations70
US4796245AJan 3, 1989
Optical disc reader having lens mounting with improved positioning control
PHILIPS CORP4 citations62
US4570255AFeb 11, 1986
Disc-record player with pressure means for pressing a disc onto a turntable
PHILIPS CORP2 citations59