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:
Mar. 11, 2003
Filed:
May. 12, 2000
Applicant:
Inventors:
Naoyuki Kamei, Ikoma-gun, JP;
Masakazu Suzuki, Yamatokoriyama, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/05 ;
U.S. Cl.
CPC ...
H02H 3/05 ;
Abstract
A backup memory has a plural number of pages (e.g., page , page . . . ) including machine-status data. Each page stores machine-status data such as the number of prints, machine usage information data, machine condition data, accounting information data, etc. The machine-status data has a HEAD portion and a DATA portion including DATA , DATA and DATA . The HEAD portion designates the latest written position of the above three pieces of DATA portion. For example, if data is last written into DATA in the DATA portion, the HEAD portion should take a value of 3. The DATA portions are interrelated to each other.