A Constant-current AC shock generator |
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Authors: | David Krausman |
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Institution: | 1. Division of Behavioral Biology, Johns Hopkins University, School of Medicine, 725 Rutland Ave., 21205, Baltimore, Md.
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Abstract: | A device has been developed for the effective delivery of a preset constant current AC electric shock. The shock intensity is adjustable from zero to a maximum of 10 ma as the voltage varies between 0 to 5 kv. The 5-kv, 60-HZ, AC voltage insures a constant-current output regardless of skin contact resistance changes. Shock duration is internally controlled and a “fail safe” lockout circuit to render the apparatus inoperative is provided in case of accidental sticking or failure of control relay signals from either internal circuitry or from behavioral programming equipment. |
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