Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Information recording and/or reproducing apparatus having two photodetectors to control the light intensity of two light sources with different wavelengths

Information recording and/or reproducing apparatus having two photodetectors to control the light intensity of two light sources with different wavelengths

US Patent 7944801 · Granted May 17, 2011

Estimated economic value: $190,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Electronic apparatus having exterior covers2016
Panel unit that reduces influence of static electricity, and electronic apparatu2015
Lens barrier device2014
Lens barrier device and lens barrel equipped with the same2014
Optical disk apparatus and optical pickup2011
Information recording/reproduction apparatus2010
Optical information recording/reproducing apparatus2010
Aligning device, for a disk recording medium, having a sliding portion disposed 2008
Spindle motor having aligning mechanism and information recording/reproducing ap2007
Magneto-optical recording apparatus having a magnetic head with a regulating mem2005