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:
Feb. 13, 2018
Filed:
Sep. 13, 2013
Hitachi Maxell, Ltd., Ibaraki-shi, Osaka, JP;
Masayuki Fukui, Ibaraki, JP;
Kazuomi Kaneko, Ibaraki, JP;
Hitachi Maxell, Ltd., Tokyo, JP;
Abstract
A optical system including a projection lens systemfor emitting light image to be enlarging-projected is accommodated inside a frameconfigured with a lower caseand an upper casea reflecting mirrorwhich enlarging-projects the image light emitted from the optical system toward a screen S or a top surface of a table T as a display plane is openably attached to a portion of the upper case of the frame, the device can be installed by a bottom surface of the lower case or one side surface thereof, a stand legis accommodated integrally with the case and extractably in the one side surface of the lower case, and the stand leg has a form (an inclination angle, a ratchet mechanism, a locking mechanism, and the like) satisfying an installation condition for vertically erected arrangement in the extracted state.