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. 21, 2018
Filed:
Jan. 28, 2015
Japan Tobacco Inc., Tokyo, JP;
Seiji Nakagawa, Tokyo, JP;
Kazuhiro Tokuda, Tokyo, JP;
Kaoru Narazaki, Tokyo, JP;
Tsutomu Kamishiraki, Tokyo, JP;
Yasushige Tsuchiya, Tokyo, JP;
JAPAN TOBACCO INC., Tokyo, JP;
Abstract
A measuring apparatus for performing a basis weight measuring method for sheet tobacco according to the present invention includes: a light source () that emits light to sheet tobacco (ST) passing through a measurement position (P) on a transport path (); and a visual sensor (), the visual sensor () having a color camera () disposed with the transport path () put between the color camera () and the light source (), a processing part () that transforms a color image of the sheet tobacco (ST) taken by the camera () into a grayscale image, and a conversion part () that converts an average gray level of the grayscale image into a basis weight of the sheet tobacco (ST) with reference to a conversion map which indicates a relationship between the average gray level of the grayscale image and an actual basis weight of sheet tobacco (ST).