Radiation measuring instrument

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United States of America Patent

PATENT NO 9417334
APP PUB NO 20160170037A1
SERIAL NO

14786223

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Preprocessing is conducted on a unipolar pulse output from a photomultiplier tube, to thereby generate a bipolar signal (bipolar pulse). In the bipolar signal, the falling waveform portion (back slope) of the initial peak waveform is steep, and also cuts across the baseline, whereby it is possible to accurately identify the falling point as the zero crossing point. The accuracy of identification of the pulse width “t” can be improved thereby. In addition to the pulse width, further reference may be made to the crest value of the unipolar pulse, the crest value of the bipolar signal, and the like, when determining line type.

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Patent Owner(s)

  • HITACHI ALOKA MEDICAL, LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kato, Toru Mitaka, JP 37 198
Katsuyama, Hiraku Mitaka, JP 2 2
Obata, Toshiro Mitaka, JP 4 2

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