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:
Dec. 26, 2023
Filed:
Jun. 17, 2020
Hangzhou Chipjet Technology Co., Ltd., Hangzhou, CN;
Hangzhou Chipjet Technology Co., LTD., Hangzhou, CN;
Abstract
The present disclosure relates to the technical field of printer consumables, and in particular, to a communication method for a consumable chip, a consumable chip, and a consumable. The communication method for a consumable chip includes: in the process of consumable serial number authentication, performing non-AC authentication with an imaging device based on a first serial number, and performing AC authentication with the imaging device based on a second serial number. The non-AC authentication is performed on the chip by using the first serial number before the device is upgraded, such that the imaging device records the first serial number as a used chip serial number. The second serial number, which is set after the device is upgraded, is only used for AC authentication.