STATIC ELIMINATING METHOD AND APPARATUS THEREFOR
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United States of America Patent
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app pub date -
Dec 19, 2006
filing date -
Sep 9, 2003
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Abandoned
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Abstract
To provide a static eliminating method and apparatus therefor which applies a high voltage to one of a pair of electrode needles and earths the other thereof, and eliminates the need of an earthed ground plate. A single or several electrodes are provided, having one pair of electrode needles for individually applying positive and negative high voltages facing each other in a holding member made of insulating material. Changeover is performed in a short period between an applying status where a positive or negative high voltage is applied to one of the electrode needles and the other electrode needle is connected to the ground, and an applying status where the electrode needle which is applied the high voltage is connected to the ground and a high voltage having a reverse polarity to the high voltage is applied to the electrode needle connected to the ground, thereby performing static elimination by acting positive and negative ions generated based on high voltage of the electrode needles on the object to be static-eliminated.
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