H - Electricity
01
T
H01T 1/12 (2006.01) G01R 19/17 (2006.01)
Patent
CA 2079116
ABSTRACT OF THE DISCLOSURE The present invention discloses a surge counter for absorbing and counting the current surges on power supply lines or communications lines. The counter comprises a surge detecting element connected across the lines including a gap type discharge tube series connected with a nonlinear resistor. One or more surge absorbing elements, each having an impulse discharge starting voltage higher than the impulse discharge starting voltage of the surge detecting element are also connected across the lines in parallel with the surge detecting element. A light sensitive element is provided in close vicinity of the gap type discharge tube, in a light receiving relationship therewith for detecting the light caused by the discharge of the tube. A counter circuit counts the signal generated by the light receiving element.
Itoh Takaaki
Kurasawa Koichi
Tanaka Yoshiyuki
G. Ronald Bell & Associates
Mitsubishi Materials Corporation
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