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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.:

US 12769571 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Oct. 19, 2021

Controller virtualization device and control system

Applicant:

Mitsubishi Heavy Industries, Ltd., Tokyo, JP;

Inventors:

Minoru Nakaide, Tokyo, JP;

Shinichi Toda, Kanagawa, JP;

Kiyoshi Ishii, Hyogo, JP;

Assignee:

MITSUBISHI HEAVY INDUSTRIES, LTD., Tokyo, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Qing Yuan Wu

Int. Cl.
CPC ...
G06F 9/455 (2018.01); G05B 9/03 (2006.01); G05B 19/042 (2006.01); G05B 23/02 (2006.01); G06F 11/20 (2006.01);
U.S. Cl.
CPC ...
G06F 9/45558 (2013.01); G05B 9/03 (2013.01); G05B 19/0428 (2013.01); G05B 23/0205 (2013.01); G06F 9/455 (2013.01); G06F 11/20 (2013.01); G06F 11/2002 (2013.01); G06F 11/2005 (2013.01); G06F 11/2007 (2013.01); G06F 11/202 (2013.01); G06F 11/2023 (2013.01); G06F 2009/45591 (2013.01);
Abstract

A controller virtualization device includes: a plurality of controller virtualization devices each configured to generate a control signal for a control object and including at least one virtual machine; and at least one OT line for transmitting the control signal from each of the plurality of controller virtualization devices to the control object. The plurality of controller virtualization devices are configured to mutually transmit and receive an existence confirmation signal or a reliability confirmation signal of the virtual machine via the at least one OT line.

Find Patent Forward Citations

Nakaide, Minoru. (2026). Controller virtualization device and control system (U.S. Patent No. 12769571). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12769571

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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