Inventor
JOHNSON DAN S
US11 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON DAN S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
9 patentsUS4802030AJan 31, 1989
Head-tape alignment apparatus with a tape edge find operation
HEWLETT PACKARD CO59 citations96
US6542260B1Apr 1, 2003
Multiple image scanner
HEWLETT PACKARD CO69 citations95
US5212739AMay 18, 1993
Noise tolerant optical character recognition system
HEWLETT PACKARD CO93 citations95
US6172772B1Jan 9, 2001
Image scanner with compensation for magnification changes
HEWLETT PACKARD CO21 citations92
US5920407AJul 6, 1999
Method and apparatus for applying tonal correction to image data
HEWLETT PACKARD CO24 citations92
US5237627AAug 17, 1993
Noise tolerant optical character recognition system
HEWLETT PACKARD CO54 citations92
US6148117ANov 14, 2000
Image processing system with alterable local convolution kernel
HEWLETT PACKARD CO28 citations88
US6160249ADec 12, 2000
Adaptive resolution scanning
HEWLETT PACKARD CO13 citations73
US5483053AJan 9, 1996
Variable resolution color image scanner having an exposure delay between successive linear photosensors detecting different colors
HEWLETT PACKARD CO16 citations71