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. 25, 2020
Filed:
Nov. 08, 2016
Applicant:
Yokogawa Electric Corporation, Musashino-shi, Tokyo, JP;
Inventors:
Ikutomo Watanabe, Musashino, JP;
Yukio Maniwa, Musashino, JP;
Assignee:
Yokogawa Electric Corporation, Musashino-shi, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/24 (2006.01); H04L 1/00 (2006.01); G05B 23/02 (2006.01); H03K 17/567 (2006.01);
U.S. Cl.
CPC ...
H04L 41/0672 (2013.01); G05B 23/0237 (2013.01); H03K 17/567 (2013.01); H04L 1/00 (2013.01);
Abstract
A duplex control device includes: two systems of duplex controllers and a switching device. The switching device includes, in a feedback path of each system, a transmitter configured to generate feedback data including data for fixing failure detection and a receiving device configured to determine the presence or absence of a fixing failure based on the feedback data output from the transmitter.