Anti-static device

Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge

Patent

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Details

361213, 361229, 361235, H01T 1904

Patent

active

041864212

ABSTRACT:
A device for discharging positive or negative static electricity on an article by producing charge of opposite polarity at a sharp tip electrode. The pulse charge is produced by a capacitor triggered at a predetermined voltage to discharge through the primary winding of a transformer to induce a high voltage in the secondary winding which is rectified by a diode to give a pulse charge of the required polarity at the sharp tip electrode. A smoothing capacitor is connected across the output from the diode so that a consistent smoothed or semi-smoothed D.C. potential is obtained when the device is operated continuously. The device may be operated from the A.C. mains or from battery means.

REFERENCES:
patent: 3567996 (1971-03-01), Gordon et al.
patent: 3958168 (1976-05-01), Grundberg
patent: 3983461 (1976-09-01), Jordan
patent: 3997817 (1976-12-01), Secker

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