The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2011
Filed:
Aug. 01, 2008
Tatsuo Hori, Kanagawa, JP;
Satoru Seko, Kanagawa, JP;
Tatsuo Hori, Kanagawa, JP;
Satoru Seko, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A recording apparatus for performing recording on a hologram recording medium includes a first light source configured to output first laser light having a first wavelength; a second light source configured to output second laser light having a second wavelength differing from the first wavelength; a recorder configured to perform data recording in units of hologram pages on the data recording layer of the hologram recording medium in such a manner that a recording data sequence is converted into a data pattern in units of hologram pages, the signal light is generated by performing space light modulation on the first laser light on the basis of the data pattern; a reflected light detector configured to irradiate the hologram recording medium with the second laser light; a position controller configured to perform position control; and a recording controller configured to perform control on the recorder.