Electrostatic attraction apparatus

Details Electrostatic attraction apparatus Electrostatic attraction apparatus

1990-05-31

1992-12-22

Gaffin, Jeffrey A.

Electricity: electrical systems and devices

Electric charge generating or conducting means

Use of forces of electric charge or field

269 8, H02N 1300

Patent

active

051738341

ABSTRACT:
An electrostatic attraction apparatus has circuitry for eliminating electrostatic charge. The circuitry has: (i) a short-circuiting mechanism for short circuiting a pair of conductors; and/or (ii) an impressed polarity-inverting mechanism for inverting the polarity of the DC voltage, or the voltage equivalent thereto, which is applied between the pair of conductors, and which is responsive to termination of the DC voltage applied between the pair of conductors from the voltage-generating means. Thereafter, an attracted body can be detached very easily from an attraction layer irrespective of the relaxation time, that is, the length of time required to extinguish the electrostatic charge.

REFERENCES:
patent: 3634740 (1972-01-01), Stevko
patent: 3717801 (1973-02-01), Silverberg
patent: 3916270 (1975-10-01), Wachtler et al.
patent: 4751609 (1988-06-01), Kasahara
patent: 4864461 (1989-09-01), Kasahara

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