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:
Apr. 03, 2018
Filed:
Oct. 30, 2015
Roland Dg Corporation, Hamamatsu-shi, Shizuoka, JP;
Kouichi Kobayashi, Hamamatsu, JP;
ROLAND DG CORPORATION, Shizuoka, JP;
Abstract
A three-dimensional printing device includes an optical device and a controller that controls the optical device. The controller includes a dividing section that divides an area of a vat that is irradiated with light of a projector into a plurality of blocks, a counting section that counts a number of times of irradiation with light of the projector, a first determination section that determines whether or not the number of times counted by the counting section has reached a predetermined threshold value, a light output section that changes when it is determined by the first determination section that the number of times has reached the predetermined threshold value from a first energy to a second energy lower than the first energy an energy of light to be output from the projector to the photo-curable resin of the block for which determination has been made.