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.

Date of Patent:
May. 30, 2017

Filed:

Sep. 21, 2011
Applicants:

Hiroshi Fujimoto, Tokyo, JP;

Hironobu Shinohara, Tokyo, JP;

Yasutake Akizuki, Tokyo, JP;

Toshiki Fukui, Tokyo, JP;

Yuichi Tanaka, Tokyo, JP;

Shinji Kiuchi, Tokyo, JP;

Hiroshi Shirasawa, Tokyo, JP;

Inventors:

Hiroshi Fujimoto, Tokyo, JP;

Hironobu Shinohara, Tokyo, JP;

Yasutake Akizuki, Tokyo, JP;

Toshiki Fukui, Tokyo, JP;

Yuichi Tanaka, Tokyo, JP;

Shinji Kiuchi, Tokyo, JP;

Hiroshi Shirasawa, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21D 3/08 (2006.01); G21D 3/00 (2006.01); G21C 17/00 (2006.01);
U.S. Cl.
CPC ...
G21D 3/00 (2013.01); G21C 17/00 (2013.01); G21D 3/001 (2013.01); G21D 3/008 (2013.01); Y02E 30/40 (2013.01);
Abstract

A nuclear power plant control system () includes a control button () which receives an operation for controlling a control target device (), a notification lamp () which notifies that a control signal corresponding to the operation received by the control button () arrives at a predetermined position on a path connected from a control panel () to the control target device (), and a control signal inhibition unit () which inhibits a control signal from arriving at the control target device () in midstream between the predetermined position on the path and the control target device () in response to an operation received by a test permission button ().


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