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. 10, 2005

Filed:

Mar. 15, 2002
Applicants:

Hiroshi Kitaguchi, Naka-machi, JP;

Tetsuya Matsui, Hitachi, JP;

Naoya Fukutsuka, Hitachi, JP;

Kouichi Ushiroda, Hitachi, JP;

Naoyuki Kono, Hitachi, JP;

Inventors:

Hiroshi Kitaguchi, Naka-machi, JP;

Tetsuya Matsui, Hitachi, JP;

Naoya Fukutsuka, Hitachi, JP;

Kouichi Ushiroda, Hitachi, JP;

Naoyuki Kono, Hitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B023/00 ;
U.S. Cl.
CPC ...
Abstract

An electronic exposure dose meter and a radiation handling operation management system is capable of realizing real time exposure management. The radiation handling operation management system has monitoring unit receiving an exposure dose amount measured by an electronic exposure dose meter having a radiation detector, its counter circuit and a PHS transmission and reception antenna, from a plurality of transmission and reception base station installed in a radiation handling operation site through bidirectional communication with a central management section via an external management base station, and deriving position of user of the electronic exposure dose meter for collecting and displaying position and exposure dose amount of the user. The electronic exposure dose meter has a radiation detector, a counter circuit, a PHS antenna for bidirectional communication with a central management section. The electronic exposure dose meter generates an alarm in response to an instruction signal from the central management section.


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