Electrical contact avoidance device

Details Electrical contact avoidance device Electrical contact avoidance device

1992-01-27

1994-03-22

Hofsass, Jeffrey

Communications: electrical

Condition responsive indicating system

Specific condition

340661, 340654, 324457, 182230, G08B 2100

Patent

active

052968448

ABSTRACT:
An electrical contact avoidance device comprises an inductor plate directly or capacitively coupled to the user and coupled to a detector circuit which derives a DC signal corresponding to a voltage induced in the user's body by a radiated high voltage electrostatic field. A comparator compares the DC signal with a reference signal representing the potential difference between the inductor and reference plates, and activates an alarm if the detected signal exceeds a preselected reference level.

REFERENCES:
patent: 2037946 (1936-04-01), Stusser
patent: 2255897 (1941-09-01), Rebori
patent: 2535053 (1950-12-01), Ercolino
patent: 3309690 (1967-03-01), Moffitt
patent: 3320524 (1967-08-01), Miller
patent: 3329957 (1967-07-01), Hoynes
patent: 4714915 (1987-12-01), Hascal et al.
patent: 4804922 (1989-02-01), Sometari et al.
patent: 4983954 (1991-01-01), Huston

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