Inventor
CONCANNON DAVID J
US15 patents
⚠️ This page may combine multiple inventors who share the name “CONCANNON DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNISYS CORP
13 patentsUS5453849ASep 26, 1995
Integrating cylinder for object illumination
UNISYS CORP40 citations95
US6103985AAug 15, 2000
Turn around loop apparatus for document scanning/processing
UNISYS CORP63 citations92
US5606173AFeb 25, 1997
Arrangement for aligning, focusing and normalizing imaging system
UNISYS CORP18 citations92
US5519513AMay 21, 1996
Techniques for illuminating objects
UNISYS CORP26 citations92
US5825945AOct 20, 1998
Document imaging with illumination from lambertian surfaces
UNISYS CORP18 citations89
US5420945AMay 30, 1995
Methods for aligning focusing and normalizing imaging system
UNISYS CORP12 citations81
US5068912ANov 26, 1991
Track gauges for aligning and focussing the imaging system in a high speed document handling system
UNISYS CORP17 citations81
US6178014B1Jan 23, 2001
Methods for illuminating documents
UNISYS CORP7 citations73
US5491336AFeb 13, 1996
Document illumination with Lambertian cavity
UNISYS CORP9 citations73
US5420944AMay 30, 1995
Techniques for aligning, focusing and normalizing imaging system
UNISYS CORP5 citations73
US5513274AApr 30, 1996
Adjusting illumination for image lift to match camera
UNISYS CORP1 citations62
US6246464B1Jun 12, 2001
Illumination system
UNISYS CORP2 citations59
US5717504AFeb 10, 1998
Apparatus for illuminating documents
UNISYS CORP0 citations51