Radiant energy – Invisible radiant energy responsive electric signalling – Including a radiant energy responsive gas discharge device
Patent
1984-12-05
1986-10-28
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
Including a radiant energy responsive gas discharge device
250388, G01T 118
Patent
active
046201017
ABSTRACT:
The disclosure concerns a bar dosimeter used for measuring ionizing radiation. In a hollow housing, an axially deflectible contact pin is centrally supported in a deflectible membrane. The pin and the membrane are deflectible over center to a first deflected position wherein the pin engages another contact leading to an ionizing capacitor, and to a second deflected condition, where the pin is spaced away from the contact of the capacitor. Stops supported in the housing define the first and second deflected positions of the pin and the membrane. A spring acts through an intermediate piece to normally bias the pin and the membrane to the second deflected condition where the pin is out of engagement with the contact.
REFERENCES:
patent: 2638551 (1953-05-01), Landsverk et al.
patent: 2761073 (1956-08-01), Carlbom et al.
patent: 3144557 (1964-08-01), Minton
patent: 3200654 (1965-08-01), Landsverk et al.
FAG Kugelfischer Georg Schafer (KGaA)
Howell Janice A.
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