Portable electrostatic field safety monitor

Details Portable electrostatic field safety monitor Portable electrostatic field safety monitor

1986-09-29

1987-12-22

Rowland, James L.

Communications: electrical

Condition responsive indicating system

Specific condition

324457, 324433, G08B 2100

Patent

active

047149159

ABSTRACT:
A portable monitoring system for detecting a radiated electrostatic field and producing an audible warning when the detected field exceeds a selected value is characterized by a switching device which can be used to reset the threshold warning level and which is not affected by the hand proximity effect. An alarm is sounded when a signal corresponding to the detected field exceeds a value which is stored. The stored value can be reset by a manually operated switching circuit including a delay device operable to delay the storage of a reference level corresponding to the intensity of the field currently detected.

REFERENCES:
patent: 3309690 (1967-05-01), Moffitt
patent: 4277745 (1981-07-01), Deno
patent: 4520318 (1985-05-01), Hascal et al.

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