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. 09, 1988
Filed:
Jan. 05, 1987
Applicant:
Inventor:
Adolf Goetzberger, Merzhausen, DE;
Assignee:
Fraunhofer-Gesellschaft zur Forderung, Freiburg, DE;
Primary Examiner:
Int. Cl.
CPC ...
G04G / ; G04C / ;
U.S. Cl.
CPC ...
368205 ;
Abstract
A solar powered electronic clock has a display, time-keeping electronics, a battery, and a solar cell array. The battery is chargeable from the solar cell array and supplies only the time-keeping electronics while the display is powered only by the solar cell array. A diode connected between the solar cell array and battery permits the battery to be recharged, but prevents the display from drawing energy from the battery.