Inventor
CHAPMAN DALE B
US4 patents
Patents
4 patentsUS5287340AFeb 15, 1994
Differential amplifier for optical detectors in an optical data storage system
IBM27 citations91
US4682121AJul 21, 1987
Phase discriminator and data standardizer
IBM7 citations69
US4306194ADec 15, 1981
Data signal detection circuit
IBM13 citations69
US4698600AOct 6, 1987
Clock phase discriminator
IBM3 citations51