Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Document scanning apparatus for scanning image information on a single sided document whether the document is right side up or upside down

Document scanning apparatus for scanning image information on a single sided document whether the document is right side up or upside down

US Patent 5270838 · Granted Dec 14, 1993

Estimated economic value: $3,087,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Image scanner1994
Image scanner having improved pixel convolution operation1993
Multi-resolution image scanner1993
Document reader apparatus1992
Half-tone image generator using white noise source1991
Apparatus for sensing information on both sides of documents1990
Method of reducing digital images1990
Method and apparatus for inspecting plated through holes in printed circuit boar1985
Pattern inspection system1985
Pattern inspection system1983