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. 09, 2016
Filed:
Mar. 04, 2011
Applicants:
Toshifumi Hayashi, Yokohama, JP;
Atsushi Kojima, Nishitokyo, JP;
Hirotaka Sakai, Machida, JP;
Inventors:
Assignee:
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 19/18 (2006.01); G05B 23/02 (2006.01); G21D 3/00 (2006.01);
U.S. Cl.
CPC ...
G05B 23/0235 (2013.01); G21D 3/001 (2013.01); G05B 2219/24042 (2013.01); Y02E 30/40 (2013.01);
Abstract
A control device includes: an input portion for inputting a process signal transmitted from a plant; a numerical processing part for outputting a Boolean value evaluating normal/abnormal of the process signal by a numerical processing based on a program; and a logical processing part for a logical processing of the Boolean value based on a logic circuit and then outputting a control signal related a safety protection operation of the plant.