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:
Feb. 02, 2021
Filed:
Mar. 17, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The image forming apparatus manages information on a consumable item by a management chip and includes a control unit configured to control the management chip, and the management chip includes: a chip-side storage unit whose storage area is made up in units of blocks; a simultaneous writing unit configured to simultaneously write information on the consumable item in units of the blocks in the chip-side storage unit; and a predetermined unit writing unit configured to write information on the consumable item in predetermined units smaller than the block unit in the chip-side storage unit, and the control unit performs control so as to write information on the consumable item by the simultaneous writing unit at timing at which there is time constraint and performs control so at to write information on the consumable item by the predetermined unit writing unit at timing at which there is no time constraint.