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:
Nov. 16, 2004
Filed:
Feb. 20, 2001
Shigefumi Odaohhara, Yamato, JP;
Arimasa Naitoh, Fujisawa, JP;
International Business Machines Corporation, Armonk, NY (US);
Abstract
To obtain an electric power unit, an electric power controller, and an electric power controlling method that can know a date for starting use of an electric power unit respectively, as well as to obtain a computer that can know a date for starting the use of the built-in electric power unit. There is provided a main battery A, which is an electric power unit, with a memory for storing data denoting a date for starting the use of the main battery A so as to store the data of the battery use starting date in the memory via a CPU just once when using of the main battery A is started actually by the embedded controller . To know the date on which using of the main battery is started, the embedded controller is used to read the date from the memory