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Article: Austrian Inventor Develops Wireless Headphones with Connector Socket

Article from:
US Fed News Service, Including US State News
Article date:
July 24, 2008
Copyright

ALEXANDRIA, Va., July 24 -- Christoph Schwald of Vienna, Austria, has developed wireless headphones.

An abstract of the invention, released by the U.S. Patent & Trademark Office, said: "Wireless headphones operated by a storage battery and having a connector socket for the insertion of a charge plug of an electric connection into a power pack. The headphones further have at least one miniature loudspeaker, audio electronics, a reception part, and charging electronics to monitor the charging process of the storage battery. In order to be able to use the headphones even with a dead storage battery, a socket is provided for the insertion of a signal plug of an electrical connection with an ...

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