Method of optical reproduction using pulsed light

Details Method of optical reproduction using pulsed light Method of optical reproduction using pulsed light

1996-02-13

1998-06-02

Edun, Muhammad N.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369116, G11B 700

Patent

active

057611726

ABSTRACT:
An optical disk device which improves the S/N ratio of reproduced signals and increases the recording density on it. Pulsed reproducing light is projected onto the data detection points on the optical disk medium to reproduce the data. This enables the reproduction of signals of large optical intensity without raising the temperature of the recording layer. A servo region is irradiated with DC light to form channel clocks from the PLL.

REFERENCES:
patent: 5311491 (1994-05-01), Yamagami et al.
patent: 5436770 (1995-07-01), Muto et al.
patent: 5469416 (1995-11-01), Yamagami et al.
patent: 5473581 (1995-12-01), Yonezawa et al.

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