Impulse coil tester

Details Impulse coil tester Impulse coil tester

1987-07-21

1990-01-30

Gruber, Felix D.

Boots, shoes, and leggings

324654, 364481, 36455101, 364580, G06F 1132, G01R 3100

Patent

active

048977942

ABSTRACT:
The impulse coil tester of this invention comprises a high voltage current source in which an output voltage is stably controlled, an impulse current generating part, a terminal giving the impulse current to a measuring coil, a memory once memorizing the damped vibration current waveform data of the current flowing through the measuring coil, a memory having memorized in advance the damped vibration current waveform data of the current given to a master coil and a microcomputer comparatively operating said two data.

REFERENCES:
patent: 3855554 (1974-12-01), Muler et al.
patent: 3932806 (1976-01-01), Kawada
patent: 4055801 (1977-10-01), Rike et al.
patent: 4271515 (1981-06-01), Axtell, III et al.
patent: 4314234 (1982-02-01), Darrow et al.
patent: 4419623 (1983-12-01), Ketchledge
patent: 4477772 (1984-10-01), So
patent: 4528498 (1985-07-01), So
patent: 4701867 (1987-10-01), Bruggemann
patent: 4799220 (1989-01-01), Nielsen

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