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:
Sep. 11, 2007

Filed:

Oct. 10, 2003
Applicants:

Hideki Nagatsuka, Hitachi, JP;

Junichi Suzuki, Hitachiota, JP;

Inventors:

Hideki Nagatsuka, Hitachi, JP;

Junichi Suzuki, Hitachiota, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 11/01 (2006.01); G05B 15/00 (2006.01); G05B 23/02 (2006.01); G06F 13/42 (2006.01); G06F 11/00 (2006.01); G06F 15/00 (2006.01); H03F 1/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a CRT operation system for operation and monitoring of plant equipment in a plant worksite through a central control room and a network, an operation control personal computer is provided for monitoring and operating the plant equipment, and one or more wireless LAN transceivers or transmitting/receiving sections are provided to appropriate points in a patrol route around the plant equipment, for wireless communication with the operation control personal computer. The personal computer controls the plant equipment through a wireless transceiver and a network, and transmits therethrough information signals of on-site operation of the plant equipment to enable a display device and a sound/voice output device provided in the central control room.


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