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US Patent 7620195 Rechargeable hearing aid

Patent 7620195 was granted and assigned to Zounds on November, 2009 by the United States Patent and Trademark Office.

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Patent attributes

Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Bradley Dean Bengtsson0

Samuel L. Thomasson0

Scott Raymond Fink0

Date of Patent

November 17, 2009

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Patent Application Number

112702890

Date Filed

November 9, 2005

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Patent Citations Received

US Patent 12075580 Devices and accessories employing a living hinge

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US Patent 11786941 System comprising a portable switching device for use with a portable electronic device

US Patent 11904364 System comprising a portable switching device for use with a portable electronic device

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Patent Primary Examiner

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Patent abstract

A hearing aid having a rechargeable battery and a charger for charging the battery includes a first microphone and a first speaker in the hearing aid and a second microphone and a second speaker in the charger for acoustically transferring data between the hearing aid and the charger. The hearing aid can detect the charge state of a battery and send a signal to the charger indicative of the charge state. The charger also includes a chamber for receiving at least a portion of the hearing aid.

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