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:
Apr. 14, 1987
Filed:
Feb. 20, 1986
Applicant:
Inventor:
Jacques G Thual, 75116 Paris, FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B / ; G01C / ;
U.S. Cl.
CPC ...
33270 ; 368 15 ;
Abstract
The present invention relates to a sundial arrangement comprising a screen portion provided with several slits allowing the passage of a narrow flat beam of solar rays and angularly spaced from one another to be successively traversed by the beam; a dial with several hour graduations; and a control circuit for bringing into operation a system of devices for filling containers, each representing a predetermined elapsed duration when filled up with water every time a slit is traversed by the beam of solar rays at a precise hour.