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:
Oct. 26, 2010
Filed:
Oct. 17, 2006
Kazuyuki Iinuma, Azumino, JP;
Katsuyuki Uehara, Azumino, JP;
Masaki Uchida, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A projector includes a light source device, a light modulation device, and an exterior casing. The projector is arranged so as to be installed in a desktop mount position and a ceiling suspension position. The light source device includes an elliptic reflector having a nearly ellipsoidal reflection surface and converging and outputting a luminous flux radiated from a light source lamp in a certain direction, and a parallelizing lens that parallelizes the converged light of the elliptic reflector, and a lens supporting part that supports the parallelizing lens and makes a position of the parallelizing lens relative to the light source device main body changeable according to the position of the projector is provided.