Inventor
WILLEMSEN HERMAN W
CA5 patents
Patents
5 patentsUS5751454AMay 12, 1998
Wavelength bypassed ring networks
NORTHERN TELECOM LTD58 citations93
US4337531AJun 29, 1982
Scanning head for an optical disc system
NORTHERN TELECOM LTD55 citations93
US4969712ANov 13, 1990
Optoelectronic apparatus and method for its fabrication
NORTHERN TELECOM LTD81 citations92
US4672600AJun 9, 1987
Optical disc having protective cover
NORTHERN TELECOM LTD39 citations88
US4366488ADec 28, 1982
Read/write arrangement for a magnetic terminal
NORTHERN TELECOM LTD4 citations61