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US Patent 7274168 Battery charging system distinguishing primary and secondary batteries

Patent 7274168 was granted and assigned to Quallion on September, 2007 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Current Assignee
‌
Quallion
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7274168
Date of Patent
September 25, 2007
Patent Application Number
10503913
Date Filed
September 18, 2003
Patent Citations Received
‌
US Patent 11973566 Wireless radio repeater for electric power distribution system
0
Patent Primary Examiner
‌
Edward H. Tso
Patent abstract

A remote battery charging system comprises an identifier (52) for identifying different battery types within a device (78) to a switch (46) for allowing or disallowing charging of the battery (13). The battery charging system is particularly suitable for hearing aids.

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