
Proceedings Paper
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Paper Abstract
We have developed a digital servo, which self-calibrates offset and gain, for use as a servo for magneto-optical disk drives. This self-calibration scheme was incorporated into the focusing servo and tracking servo. We used the discrete block format for media. Our test using the prototype drive revealed that the manufacturing dispersion of components could be absorbed and that servos showed a sufficiently high stability. Also, we confirmed that the developed digital servo system had comparable compatibility margin for recording and reading to the conventional continuous servo system.
Paper Details
Date Published: 1 August 1990
PDF: 14 pages
Proc. SPIE 1316, Optical Data Storage, (1 August 1990); doi: 10.1117/12.22021
Published in SPIE Proceedings Vol. 1316:
Optical Data Storage
Maarten de Haan; Yoshito Tsunoda, Editor(s)
PDF: 14 pages
Proc. SPIE 1316, Optical Data Storage, (1 August 1990); doi: 10.1117/12.22021
Show Author Affiliations
Yoshihide Nakashima, Matsushita Communication Industrial Co., Ltd. (Japan)
Kazuo Shibuya, Matsushita Communication Industrial Co., Ltd. (Japan)
Kazuo Shibuya, Matsushita Communication Industrial Co., Ltd. (Japan)
Jiro Inoue, Matsushita Communication Industrial Co., Ltd. (Japan)
Published in SPIE Proceedings Vol. 1316:
Optical Data Storage
Maarten de Haan; Yoshito Tsunoda, Editor(s)
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