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. 27, 1988
Filed:
Oct. 28, 1987
Shizuo Tsuchiya, Tokyo, JP;
Toshio Nagasaka, Tokyo, JP;
Casio Computer Co., Ltd., Tokyo, JP;
Casio Electronics Manufacturing, Ltd., Tokyo, JP;
Abstract
In a counter apparatus for an image forming apparatus according to the present invention, which counts and manages the number of image forming operations, data which is ultimately written is retrieved from data stored in an EEPROM, and the retrieved data is set in a RAM counter as an initial value. The RAM counter performs a count-up operation for each printing operation for production of new data. The new data is written in the EEPROM for each production, so that a count value when a power source is turned off is held therein. In the EEPROM, a plurality of unit areas are continuously provided and are used as data write areas. The new data is sequentially written for each unit area. Thus, the number of write operations for the unit areas is decreased, so that the EEPROM which has a limited number of times of write access can constitute the counter apparatus together with the RAM counter.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile