Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical information writing and reading apparatus having two light sources

Optical information writing and reading apparatus having two light sources

US Patent 5475665 · Granted Dec 12, 1995

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Shooting apparatus and focusing method2020
Lens driving apparatus and lens driving method2020
Colored light synthesis element and projection device therewith2008
Illumination apparatus, and image capturing apparatus and projector apparatus us2006
Method and device for drying substrate2005
Illumination apparatus and display apparatus using the illumination apparatus2005
Optical pickup2001
Optical recording/reproducing apparatus capable of multi-track access for simult1996
Optical recording/reproducing apparatus capable of multi-track access for simult1996
Optical information recording and reproducing apparatus in which reproducing lig1996
Optical information recording and reproducing apparatus in which reproducing lig1996
Optical recording/reproducing apparatus capable of multi-track access for simult1996