Inventor
LEE CHEN-HO
TW17 patents
⚠️ This page may combine multiple inventors who share the name “LEE CHEN-HO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UMAX DATA SYSTEMS INC
5 patentsUS6263117B1Jul 17, 2001
Automatic image calibration method for a contact type scanner
UMAX DATA SYSTEMS INC30 citations92
US6646770B2Nov 11, 2003
Light-emitting diode light source control method
UMAX DATA SYSTEMS INC6 citations71
US6631507B2Oct 7, 2003
Timing signal generation for charge-coupled device
UMAX DATA SYSTEMS INC4 citations62
US6384562B1May 7, 2002
Scanner motor acceleration method
UMAX DATA SYSTEMS INC4 citations62
US6515780B1Feb 4, 2003
Method enabling a scanning range of a normal scan to map a predetermined range selected under preview in a scanning device
UMAX DATA SYSTEMS INC0 citations40
TRANSPACIFIC IP LTD
4 patentsUS7315406B2Jan 1, 2008
Scanning circuit structure
TRANSPACIFIC IP LTD7 citations71
US7345793B2Mar 18, 2008
Scan method
TRANSPACIFIC IP LTD3 citations62
US7405848B2Jul 29, 2008
Scanning device and method using paired differential analog signals
TRANSPACIFIC IP LTD0 citations51
US7405842B2Jul 29, 2008
Method for correcting magnification
TRANSPACIFIC IP LTD1 citations50