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:
Sep. 18, 1990
Filed:
Dec. 09, 1988
Stephen A Garron, Elizabeth, NJ (US);
SSMC Inc., Edison, NJ (US);
Abstract
An emergency battery monitor is adapted for use with at least one storage battery. The battery has first and second output terminals across which an output voltage is produced, the battery, when in normal operation, exhibiting an output voltage falling within a nominal value range having predetermined maximum and minimum values. The battery has at least one cell which contains a liquid electrolyte. The electrolyte, when the battery is in normal operation, has a predetermined minimum level in the cell. The monitor includes a member associated with the cell, which is electrically conductive when the level of the electrolyte is at least equal to the minimum level and is electrically non-conductive when the level of the electrolyte falls below the minimum level. Integrated circuits coupled to the output terminals and the member produce a first signal designating normal battery operation when the member is conductive and the value of the output voltage falls within the nominal value range. The circuits produce a second signal designating abnormal battery operation when the value of the output signal falls below the minimum value, and/or the member is non-conductive, and produces a third signal designating abnormal battery operation when the value of the output signal exceeds the maximum value.