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. 17, 2013
Filed:
Jan. 31, 2011
Tomomi Matsui, Tokyo, JP;
Tomomi Matsui, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
Screws that fasten a screen unit to a body are inserted from the front side of the body, a front cover that covers and conceals the screws is provided on a front surface of a frame, this front cover is fastened to the body by screws inserted into the body from its rear side, a rear cover that covers and conceals the screws is provided on a rear surface of the body, a front safety switch that detects opening of the front cover and a rear safety switch that detects opening of the rear cover are provided, and emission of a laser light beam of an optical engine is stopped when a detection signal of at least one of the front safety switch and the rear safety switch is output.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile