Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › System for calculating focus servo control signal using focus error signal and reproduced RF signal

System for calculating focus servo control signal using focus error signal and reproduced RF signal

US Patent 5379282 · Granted Jan 3, 1995

Estimated economic value: $126,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method of manufacturing tubular carbon molecule and tubular carbon molecule, met2011
Method of manufacturing tubular carbon molecule and tubular carbon molecule, met2010
Optical disk capable of inhibiting from rental use2000
Temperature invariant, magneto-optic modulator coil driving circuit1999
Apparatus and method for adjusting a rotational velocity of a disk storage mediu1998
Optical disk capable of storing information data at difference clock rates1998
Apparatus and method for reproducing data from a record medium1997
Optical recording medium and recording and/or reproducing apparatus using such o1996
Optical recording medium and recording and/or reproducing apparatus using such o1996
Optical recording medium and recording and/or reproducing apparatus using such o1996
Seek circuit for optical disc1995
Seek control for information storage disc drive1995