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:
Apr. 07, 2026
Filed:
Jun. 08, 2021
Mitsubishi Electric Corporation, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
The control system () includes a programmable logic controller (PLC) () to control a device, and a program transmission apparatus () to transmit a control program () for causing the PLC () to control the device. The program transmission apparatus () includes a first code generator () to generate a first code () for verification of presence or absence of a change from the control program () by using the control program () and confidential data (). The PLC () includes a second code generator () to generate a second code by using a receiving program as the control program () and the confidential data () that is shared with the program transmission apparatus (), and an executor () to execute the receiving program when the first code () is identical to the second code.