Inventor
TSAI JERN-TSAIR
TW4 patents
Patents
4 patentsUS6169622B1Jan 2, 2001
Optical scanner with a distance adjusting device
MUSTEK SYSTEMS INC26 citations89
US6075242AJun 13, 2000
Optical scanning module with adjustable optical path
MUSTEK SYSTEMS INC8 citations71
US5995231ANov 30, 1999
Method for calibrating a light traveling distance in a scanning module
MUSTEK SYSTEMS INC0 citations50
US6075241AJun 13, 2000
Scanning module with two oppositely movable lenses for changing scan resolution
MUSTEK SYSTEMS INC0 citations49