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:
Jul. 21, 1998
Filed:
Sep. 24, 1996
Eric C Anderson, San Jose, CA (US);
Scott F Fullam, Mountain View, CA (US);
Apple Computer, Inc., Cupertino, CA (US);
Abstract
A system and method for conserving power within a backup battery device comprises a main battery for generating a main operating voltage and a secondary operating voltage, a switching device for connecting the main operating voltage to a secondary power bus which powers a memory device, and a power manager for sensing whenever the main battery drops to a first threshold voltage, whereupon the power manager connects the secondary operating voltage to the secondary power bus if the memory device contains data, and disconnects the main operating voltage from the secondary power bus. The backup battery generates the secondary operating voltage whenever the power manager senses that the main battery has reached a second threshold voltage.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile