Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takezo Hatanaka0
Hisashi Tsuda0
Date of Patent
June 11, 2019
0Patent Application Number
150270780
Date Filed
September 29, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In regard to a hearing aid and a hearing aid charging system, frequent replacement of a battery is avoided even if power consumption is large, and the structure is simplified and waterproofness is improved. A Hearing aid includes a secondary battery having a nominal voltage higher than a nominal voltage of an air battery, a driving component driven by power supplied from the secondary battery, and a transformation unit configured to output the charging power of the secondary battery at a voltage suitable for driving the driving component.
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