Inventor
WUN JEFFREY
TW5 patents
Patents
5 patentsUS5497272AMar 5, 1996
Lens switching device for multi-lens optical scanners
UMAX DATA SYSTEMS INC20 citations80
US5537240AJul 16, 1996
Brilliance control apparatus of light source in an optical scanner
UMAX DATA SYSTEMS INC5 citations61
US5452120ASep 19, 1995
Lamp shade moving mechanism for transparency scannings
UMAX DATA SYSTEMS INC4 citations59
US5494271AFeb 27, 1996
Transmission system for a document feeder
UMAX DATA SYSTEMS INC4 citations56
US5469303ANov 21, 1995
Brightness compensation for a lamp shade in an optical scanner
UMAX DATA SYSTEMS INC6 citations54