Hologram recording method, hologram recording reproduction...

Details Hologram recording method, hologram recording reproduction... Hologram recording method, hologram recording reproduction...

2007-12-18

2007-12-18

Amari, Alessandro (Department: 2872)

Optical: systems and elements

Holographic system or element

Having defined page composer

C359S022000

Reexamination Certificate

active

10541608

ABSTRACT:
In the hologram recording and hologram-record reproduction using a one-dimensional optical modulator, the one-dimensional optical modulator where a plurality of light-modulating pixels are arranged modulates a laser beam to record a digital-data signal on a hologram recording medium, and part of the light-modulating pixels record sync signals in two or more positions on the hologram recording medium with retaining a predetermined interval, thereby improving hindrance to reproduction or readout of information recorded on the hologram recording medium, a decrease in S/N, and so on due to deformation or the like of the hologram recording medium.

REFERENCES:
patent: 5311360 (1994-05-01), Bloom et al.
patent: 5777760 (1998-07-01), Hays et al.
patent: 54-40045 (1979-03-01), None
patent: 10-124872 (1998-05-01), None
patent: 2000-163802 (2000-06-01), None
patent: 97/43669 (1997-11-01), None

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