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:
Nov. 27, 2012
Filed:
Feb. 24, 2010
Toshimitsu Watanabe, Matsumoto, JP;
Toshimitsu Watanabe, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector configured to modulate a luminous flux emitted from a light source in accordance with image information, forms an image light, and projects the image light, includes: an exterior housing having an intake vent for taking in the ambient air, and an insertion slot communicating with the intake vent; an anti-dust filter being installed in the exterior housing so as to be mountable in and removable from the exterior housing through the insertion slot, prevents dust from intruding into the exterior housing from the intake vent; and a cover configured so as to be switchable between an open condition in which it exposes the insertion slot, and a closed condition in which it covers the insertion slot.