Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Randomizing optical converter for illumination beam and method utilizing same

Randomizing optical converter for illumination beam and method utilizing same

US Patent 4993802 · Granted Feb 19, 1991

Estimated economic value: $4,375,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Back lit cholesteric liquid crystal display2006
Illumination compensation using built-in reference2004
Illumination for imaging2001
Illumination for imaging2001
Illumination system2001
Illumination system2001
Illumination system2001
Methods for illuminating documents2001
Methods for illuminating documents2001
Methods for illuminating documents2001
Turn around loop apparatus for document scanning/processing2000
Method for imaging of documents1999