Tilt detection system, tilt detection method and tilt...

Details Tilt detection system, tilt detection method and tilt... Tilt detection system, tilt detection method and tilt...

2004-08-24

2008-10-14

Psitos, Aristotelis M (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S044320

Reexamination Certificate

active

07436746

ABSTRACT:
A tilt detection system includes an optical disk having a series of data recorded therein, the series of data having a pulse width smaller than the minimum pulse width of data recorded in an ordinary optical disk; a reproducing part reproducing a signal from the optical disk by emitting a light beam onto the optical disk; and a tilt detecting part detecting a tilt of the light beam with respect to the optical disk based on a reproduced RF signal provided by the reproducing part when the series of data having the smaller pulse width is reproduced.

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4.7 GB DVD-RAM, Matsushita Technical Journal, vol. 45, No. 6, Dec. 1999, pp. 679-685.

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