Compensation methods of focusing servo offset of optical disk drives

Kyosuke Yoshimoto; Masaharu Ogawa; Osamu Ito; Kunimaro Tanaka

doi:10.1117/12.22042

1 August 1990 Compensation methods of focusing servo offset of optical disk drives

Kyosuke Yoshimoto, Masaharu Ogawa, Osamu Ito, Kunimaro Tanaka

Proceedings Volume 1316, Optical Data Storage; (1990) https://doi.org/10.1117/12.22042
Event: Optical Data Storage, 1990, Vancouver, Canada

Abstract

Two automatic compensation methods of focusing sensor offset using a digital AGC system were discussed. 2nd order Approximating method was found to be useful for optical disk drive.

Citation Download Citation

Kyosuke Yoshimoto, Masaharu Ogawa, Osamu Ito, and Kunimaro Tanaka "Compensation methods of focusing servo offset of optical disk drives", Proc. SPIE 1316, Optical Data Storage, (1 August 1990); https://doi.org/10.1117/12.22042

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