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:
May. 11, 2021
Filed:
Jan. 18, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Kiyokazu Umimura, Kashiwa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image processing apparatus comprises a CPU for controlling the image processing apparatus and a microcomputer that verifies alteration of a program that is stored in a nonvolatile memory and that the CPU executes, and that outputs a notification signal that indicates the verification result. The image processing apparatus comprises a power source control unit for controlling a power source of the image processing apparatus, and the power source control unit, when the image processing apparatus is activated, supplies power to the microcomputer, and when a notification signal outputted from the microcomputer is received, holds the verification result that the notification signal indicates and shuts off the supply of power to the microcomputer.