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:
Aug. 13, 2002
Filed:
Aug. 01, 2000
Applicant:
Inventors:
Hideaki Aoki, Kyoto, JP;
Kenji Taguchi, Hirakata, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 2/700 ; G02B 1/700 ; G02B 5/08 ; G02B 5/10 ; G03B 2/100 ;
U.S. Cl.
CPC ...
G02B 2/700 ; G02B 1/700 ; G02B 5/08 ; G02B 5/10 ; G03B 2/100 ;
Abstract
A solar lighting apparatus includes a transparent dome. The transparent dome is provided, at its ceiling center, with a control box accommodating a stepping motor, a controller for controlling the motor and a secondary battery. The stepping motor has a motor shaft coupled with a rotary shaft. On the rotary shaft is coupled a support frame member through a universal joint. The rotary shaft is driven by the motor to turn a reflection mirror held on the support frame member over a predetermined angle while tracking the sun.