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. 07, 1982
Filed:
Dec. 04, 1980
Saburo Maruko, Yamato, JP;
Kenji Yamada, Matsudo, JP;
Other;
Abstract
A sun following-up device for a solar heat utilization apparatus which comprises a hollow cylindrical member, a fish eye lens unit on the top of said cylindrical member, a series of vertically spaced lenses positioned within said cylindrical member, a casing positioned on the bottom of said cylindrical member, a screen glass positioned within said casing for forming an image thereon, a pair of spaced diffusion glasses positioned on the undersurface of said screen glass to define a slit between the opposing faces thereof, a pair of photosensitive cells positioned on the undersurface of said diffusion glasses, optical fibers having one ends received in said slit leaving a clearance between the ends and a pair of photosensitive cells secured to said optical fibers.