Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Tracking error signal generator with DC offset cancellation

Tracking error signal generator with DC offset cancellation

US Patent 5181195 · Granted Jan 19, 1993

Estimated economic value: $122,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Light-receiving/emitting composite unit, method for manufacturing the same, and 2008
Light-receiving/emitting composite unit, method for manufacturing the same, and 2007
Light-emitting/receiving combined unit and displacement sensors using the same2005
Optical disc apparatus and tracking error signal calculation circuit2000
Apparatus and method for controlling rotational speed during a pause operation2000
Photomultiplier with magnetic shielding case2000
Side-on type photomultiplier1999
Photomultiplier with lens element1999
Side-on type photomultiplier comprising an envelope having an opening, a lens el1998
Optical pick-up and light detecting cover therefor1998
Method of adjusting optics of optical pickup using error negating signal process1997
Optical pickup device with movable objective lens and stationary focusing and tr1996