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:
Sep. 16, 2014
Filed:
Aug. 18, 2011
Teruhiro Shiono, Osaka, JP;
Yoshiharu Kobayashi, Osaka, JP;
Teruhiro Shiono, Osaka, JP;
Yoshiharu Kobayashi, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An optical information reproduction device includes a light source () configured to emit reproduction light, a plasmon resonance element () including a resonance section () arranged adjacent to a recording region () of a recording layer (), the resonance section () causing plasmon resonance between the recording region () and the resonance section (), a photodetector () configured to detect reflected light or transmitted light from the plasmon resonance element () on which the reproduction light is irradiated, and a reproduction unit () configured to determine, on the basis of a detection signal from the photodetector (), whether the recording region () is in a recorded state or an unrecorded state, and reproduce information recorded in the recording region ().