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. 13, 1983
Filed:
Dec. 04, 1980
Sadao Takahashi, Yokohama, JP;
Nobuo Matsushita, Tokyo, JP;
Toshiba Electric Equipment Corporation, Tokyo, JP;
Abstract
A luminaire comprises a light source and a reflector which has an opening for emitting light and an apex opposed the opening, and which reflects light emitted from the light source in a desired direction. The reflector having a first area at the intermediate portion between the opening and the apex thereof consisting of a plurality of reflecting surface units with inclined surfaces located at both sides thereof, and a second area disposed at least partially between the intermediate portion and the opening consisting of hammer tone finished reflecting surfaces formed at least partially on a portion located nearer to the opening for emitting light than the first area is located to.