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:
Feb. 19, 2019
Filed:
Apr. 25, 2018
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventor:
Yoshiyuki Nakano, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/04 (2006.01); G02B 27/09 (2006.01); G02B 27/10 (2006.01); H05B 33/02 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0994 (2013.01); G02B 6/0005 (2013.01); G02B 27/1006 (2013.01); H05B 33/02 (2013.01);
Abstract
An illumination system of an embodiment includes: a solid-state light source; a wavelength conversion element that converts a wavelength of light emitted from the solid-state light source; a light guide tube that allows incoherent light emitted from the wavelength conversion element to propagate and transmit therethrough, and that has a floating property to float in water; and a connection member that connects and retains the light guide tube on a road surface while securing the floating property of the light guide tube.