Electricity: power supply or regulation systems – Remote sensing
Patent
1977-10-20
1979-10-16
Pellinen, A. D.
Electricity: power supply or regulation systems
Remote sensing
318139, 323 22SC, 330 8, H02P 516, H02P 518
Patent
active
041715101
ABSTRACT:
A system for detecting an output of a controllable semiconductor device includes a controllable semiconductor device, a magnetic amplifier to which an output of the semiconductor device is fedback to control the semiconductor device, and a monitor device for monitoring an output of the magnetic amplifier. The monitor device serves for determining that the output of said semiconductor device exceeds a predetermined level, when the output of the magnetic amplifier is in a remanent output region of the magnetic amplifier.
REFERENCES:
patent: 3413494 (1968-11-01), Wisman
patent: 3903465 (1975-09-01), Ibamoto et al.
patent: 3914672 (1975-10-01), Kiwaki et al.
patent: 4032833 (1977-06-01), Ibamoto et al.
patent: 4039866 (1977-08-01), Komuro et al.
Ibamoto Masahiko
Kiwaki Hisakatsu
Kuriyama Shigeru
Suzuki Masato
Toyama Jinichi
Hitachi , Ltd.
Pellinen A. D.
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