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:
Jul. 18, 2017
Filed:
Jun. 26, 2014
Nec Corporation, Tokyo, JP;
Shin Tominaga, Tokyo, JP;
Yasuhiro Sasaki, Tokyo, JP;
Masatake Takahashi, Tokyo, JP;
Junichiro Mataga, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A sensor unit () provided with a substrate (), a plurality of light-receiving units () that are provided on the substrate () and detect light, and a diffraction grating layer () that is provided on the substrate () and the light-receiving units () and has at least two diffraction means for diffracting light of corresponding wavelengths and condensing the light onto the light-receiving units, wherein at least two of the diffraction means are composed from holograms formed on a first diffraction grating layer and at least a portion of the plurality of holograms formed on the first diffraction grating layer overlap at least partially with another adjacent hologram.