Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Laser optical memory system having beam combining and separating apparatus for combining and separating reading and writing laser beams

Laser optical memory system having beam combining and separating apparatus for combining and separating reading and writing laser beams

US Patent 4888759 · Granted Dec 19, 1989

Estimated economic value: $8,981,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Portable optical card readers2013
Portable optical card readers2011
Multi-color wide angle infrared optical systems and methods2008
Method for the manufacture of a three-mirror optical system1999
Method for the manufacture of a three-mirror optical system and the optical syst1995
Method and apparatus for effecting data transfer with high precision reference d1993
Dithering optical data logger1990
Focus detection and control apparatus for maintaining accurate focusing in an op1986
Focus detection and control apparatus for maintaining accurate focusing in an op1986
Optical memory system providing improved focusing control and improved beam comb1986
Optical memory system providing improved focusing control and improved beam comb1986
Beam combining and separating apparatus useful for combining and separating read1985