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:
Jun. 17, 2008
Filed:
Apr. 02, 2004
Applicants:
Josuke Nakata, Kyoto, JP;
Hiromi Sugimura, Hokkaido, JP;
Hiroshi Endo, Hokkaido, JP;
Inventors:
Assignee:
Kyosemi Corporation, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21L 4/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light-emitting device has spherical photo-electric converting elements that have a substantially spherical acceptance surface, respectively; a light emitting diode powered by the spherical photo-electric converting elements; a control circuit; and a sealing member that integrates the spherical photo-electric converting elements, the light emitting diode and the control circuit. The control circuit is equipped with a light emitting control circuit including a photo-detecting sensor, a charge control circuit and a condenser.