US Patent 7270698 Discharge device and air purifier
Patent 7270698 was granted and assigned to Daikin Industries, Ltd. on September, 2007 by the United States Patent and Trademark Office.
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Patent Inventor Names
Kanji Motegi0
Kenkichi Kagawa0
Toshio Tanaka0
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Patent abstract
The distance between a discharge electrode and a counter electrode of a discharge device is set to not more than 10 mm such that a streamer discharge is caused between the electrodes. The frequency of sound made by the streamer discharge is raised to 6 kHz or higher to exceed the frequency range which is easily perceivable by human hearing.
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US Patent 07270698 Discharge device and air purifier US Patent 7270698 Discharge device and air purifier
Infobox
Patent Number
072706980
Patent Number
72706980
Edits on 22 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072706980
Date of Patent
September 18, 2007
0Patent Application Number
105258680
Date Filed
June 7, 2004
0Official Website
Patent Primary Examiner
Edits on 17 Jun, 2022
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US Patent 07270698 Discharge device and air purifier
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07270698
Date of patent
September 18, 2007
Patent application number
10525868
Date Filed
June 7, 2004
Patent primary examiner
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