G - Physics – 01 – R
Patent
G - Physics
01
R
324/17
G01R 31/34 (2006.01) G01R 19/00 (2006.01)
Patent
CA 1207836
ABSTRACT OF THE DISCLOSURE A spark monitor device arranged to detect a high frequency noise due to a spark generated in a current collector of a rotary electric machine and moni- tor a state of spark generation on the basis of the pro- duct of a peak value of the high frequency noise exceeding a given set value and a time interval during which the peak value exceeds the set value.
406892
Michiguchi Yoshihiro
Tanisaka Satoshi
Hitachi Ltd.
Kirby Eades Gale Baker
LandOfFree
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