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:
Dec. 17, 2002
Filed:
Oct. 12, 1999
Mahito Watanabe, Yamagata, JP;
Yamagata Casio Co., Ltd., Higshine, JP;
Abstract
An illuminator includes: a first cylindrical member with a mirror-like inner surface formed to facilitate light reflection; a flat plate member having an aperture in its center; LEDs with trimmed distal ends and arranged in a circle along the periphery of the aperture; LEDs with trimmed distal ends and arranged in a circle along a circumferential direction of the first cylindrical member so as to be located on a lengthwise middle part of the inner surface of the cylindrical member; a second cylindrical member having an engagement portion engaged with the cylindrical member, LEDs with trimmed distal ends and arranged in a circle along a circumferential direction of the engagement portion; and a ring-shaped semitransparent diffusion plate. The illuminators illuminate a to-be-mounted component with light having a directivity.