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:
Jun. 29, 2021
Filed:
Oct. 25, 2019
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/3563 (2014.01); G01N 21/359 (2014.01);
U.S. Cl.
CPC ...
G01N 21/3563 (2013.01); G01N 21/359 (2013.01);
Abstract
Lower surfaceor upper surfaceof object to be sortedis processed such that arithmetic mean roughness Ra is not less than 0.025 μm in not less than 50% of lower surfaceor upper surface, object to be sortedis irradiated with infrared light, and reflected lightfrom lower surfaceor upper surfaceof object to be sortedis received, thereby determining a resin type of object to be sortedon the basis of a reflection or absorption spectrum of object to be sortedobtained from reflected light