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Title:
RADIATION MEASUREMENT INSTRUMENT AND RADIOGRAPHIC IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/003406
Kind Code:
A1
Abstract:
This radiation measurement instrument (4) is equipped with a control unit (45) for determining whether a measurement instrument main body (46) which includes an ionization chamber (41), a current measurement unit (43) and a bias voltage application unit (44) is normal or not, on the basis of a charging current which flows through the ionization chamber (41) as a result of a bias voltage being applied, and is measured by the current measurement unit (43).

Inventors:
KASHIWA SOICHIRO (JP)
HIRASAWA SHINYA (JP)
Application Number:
PCT/JP2017/024086
Publication Date:
January 03, 2019
Filing Date:
June 30, 2017
Export Citation:
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Assignee:
SHIMADZU CORP (JP)
International Classes:
A61B6/00; G01T1/185; H01J47/02
Foreign References:
JPH0527040A1993-02-05
JPS50153980A1975-12-11
JP2014149292A2014-08-21
JPH11317191A1999-11-16
Attorney, Agent or Firm:
MIYAZONO, Hirokazu (JP)
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