Title:
ION EMISSION DEVICE AND ELECTRICAL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2012/165114
Kind Code:
A1
Abstract:
An ion emission device comprises: voltage application units (2, 3) with which an applied voltage for ion emission increases over usage time; and an ion emission unit (5) which emits ions with the applied voltage. The voltage application units (2, 3) further comprise: a boost transformer drive circuit (2) which drives a baseline voltage for generating the applied voltage; and a boost transformer circuit (3) which boosts the baseline voltage to the applied voltage. The boost transformer drive circuit (2) increases the baseline voltage over the usage time. It is thus possible to alleviate peripheral charged matter adhering to a needle tip, and to ensure ion performance in a more sustained fashion than a conventional ion emission device which applies a given voltage across a discharge electrode needle and a dielectric electrode.
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Inventors:
KITAHIRA MAKOTO
YUKAWA SHOGO
TENPORIN NORIKO
YUKAWA SHOGO
TENPORIN NORIKO
Application Number:
PCT/JP2012/061970
Publication Date:
December 06, 2012
Filing Date:
May 10, 2012
Export Citation:
Assignee:
SHARP KK (JP)
KITAHIRA MAKOTO
YUKAWA SHOGO
TENPORIN NORIKO
KITAHIRA MAKOTO
YUKAWA SHOGO
TENPORIN NORIKO
International Classes:
H01T23/00; A61L9/22; H01T19/04; H05F3/04
Foreign References:
JP2009016062A | 2009-01-22 | |||
JP2009295546A | 2009-12-17 | |||
JP2005332774A | 2005-12-02 | |||
JP2004127858A | 2004-04-22 |
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
Patent business corporation Fukami patent firm (JP)
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Claims: