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.:

US 8475012 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 02, 2013

Filed:

Dec. 03, 2009
Applicants:

Nao Nakano, Tokyo, JP;

Hiroyuki Chikama, Tokyo, JP;

Inventors:

Nao Nakano, Tokyo, JP;

Hiroyuki Chikama, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A lamp can includes: a first reflective surface which can be provided on a surface of a circular shaped member, a radius of a top of the annular member can be longer than a radius of a bottom of the annular member; a second reflective surface which can be arranged inside of the first reflective surface and can have a conical shape, a vertex of the second reflective surface can be directed to a top side of the first reflective surface; and a plurality of light emitters which can be annularly arranged on the first reflective surface around the second reflective surface at a predetermined interval so as to be projected on the second reflective surface.


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