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:
May. 25, 2004
Filed:
Sep. 26, 2002
Applicant:
Inventor:
Yoshihiko Awa, Hokkaido, JP;
Assignee:
APT Co., Ltd., Hokkaido, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 2/110 ; F21V 7/20 ; F21V 2/302 ;
U.S. Cl.
CPC ...
F21V 2/110 ; F21V 7/20 ; F21V 2/302 ;
Abstract
A display system comprising a high-intensity discharge lamp system equipped with a stabilizer, a reflector mirror coated with a heat-absorption film, a shutter, and a light-gathering lens; and a pole holding the high-intensity discharge lamp system at a desired height above the road or its vicinity. The display system of the invention enables drivers to easily see and locate the centerline, road shoulder, crosswalk, and traffic signs, even in the midst of rainstorm, dense fog, or blizzard.