This disclosure relates to wireless battery charging of electronic devices such as wireless headsets/headphones. In one embodiment, an electronic device is provided comprising a speaker comprising a coil, and the coil is operative both to cause the speaker to produce sound and to receive energy transferred...http://www.google.es/patents/US7548040?utm_source=gb-gplus-sharePatente US7548040 - Wireless battery charging of electronic devices such as wireless headsets/headphones
Wireless battery charging of electronic devices such as wireless headsets ...
