Title:
DETECTOR
Document Type and Number:
Japanese Patent JPS53141081
Kind Code:
A
Abstract:
The device is able to detect the exceeding of a given threshold by a parameter, other than an electric voltage, capable of affecting the electrostatic force of attraction exerted between a charged electret and one, of two electrodes between which said electret is placed, said parameter being for instance an ionizing radiation. The two electrodes are at the same electric potential and the device also comprises return means for urging the first electrode and the electret permanently apart, and means for using the relative displacement of said elements, when it occurs, for desired detection purposes.
Inventors:
JIERARUDO DOREIFU
JIYATSUKII REUINAA
DEIDEIE PERINO
JIYATSUKII REUINAA
DEIDEIE PERINO
Application Number:
JP5284878A
Publication Date:
December 08, 1978
Filing Date:
May 04, 1978
Export Citation:
Assignee:
DREYFUS GERARD
LEWINER JACQUES
DIDIER PERINO
LEWINER JACQUES
DIDIER PERINO
International Classes:
G01D5/14; G01K7/00; G01N27/00; G01R5/28; G01R19/165; G01T1/14; H01H59/00; (IPC1-7): G01D5/12; G01K11/00; G01N27/00; G01R5/28; G01T1/14