Optical recording device and optical recording method

Details Optical recording device and optical recording method Optical recording device and optical recording method

2008-08-18

2010-10-05

Hindi, Nabil Z (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

Reexamination Certificate

active

07808877

ABSTRACT:
An optical recording device includes a light source, a light-converging optical system, a moving unit, detection unit, and an acquisition unit. In the optical recording device, interference fringes from a recording light are shift multi-recorded as a plurality of pages of holograms within each of a plurality of planes corresponding to a plurality of convergence positions based on light exposure amount of each page, acquired by the acquisition unit, for each of the convergence positions.

REFERENCES:
patent: 6898167 (2005-05-01), Liu et al.
patent: 2007/0153663 (2007-07-01), Fukumoto et al.
patent: 2007-079439 (2007-03-01), None

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