Dose detector and dosimeter

Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system

Reexamination Certificate

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Reexamination Certificate

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11107859

ABSTRACT:
A dose detector includes a semiconductor radiation detector; a dose counter; and a check counter. The dose detector detects that the semiconductor radiation detector is outputting white noise even in a radiation shielded area and judges that the semiconductor radiation detector is working in a normal manner when dose count data from the dose counter is smaller than predetermined dose boundary data and check count data from the check counter is greater than predetermined lower limit checking data. The dose detector and a dosimeter provided with the dose detector are simple in structure and capable of checking a status of the semiconductor radiation detector safely.

REFERENCES:
patent: 4445036 (1984-04-01), Selph
patent: 4527063 (1985-07-01), Kronenberg et al.
patent: 4751390 (1988-06-01), Kopp
patent: 4973913 (1990-11-01), Oda
patent: 5406086 (1995-04-01), Barthe et al.
patent: 6300635 (2001-10-01), Brambilla et al.
patent: 2004/0129888 (2004-07-01), Kannan et al.
patent: S59-046573 (1984-03-01), None
patent: S62-245983 (1987-10-01), None
patent: 03017588 (1991-01-01), None
patent: 09/033660 (1997-02-01), None

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