U.S. patents available from 1976 to present.
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US Patent Application 20090262628 - HOLOGRAM RECORDING APPARATUS AND METHOD, COMPUTER PROGRAM, AND HOLOGRAM RECORDING MEDIUM

Application 20090262628 Filed on October 24, 2006. Published on October 22, 2009

Inventors

US Classes

369/103, Holographic359/3Having particular recording medium

Attorney, Agent or Firm

Foreign Documents

  • 2005-308279 JP 10/24/2005

International Classes

G11B 7/00
G03H 1/02
G03H 1/04

Issued Patent Number:

7903525


Abstract text


A hologram recording apparatus (300) records record information into a hologram recording medium (100) on which a hologram recording layer (11) and a position information recording layer (13). The hologram recording apparatus is provided with: a first recording device (101) for recording the record information into the hologram recording layer; and a second recording device (121) for setting an area portion of the position information recording layer in a recorded state, the area portion of the position information recording layer corresponding to an area portion of the hologram recording layer in which the record information is recorded.

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