A method for selectively shunting an acoustic driver within an electronic device detects the presence of a squelch signal from a local emitter and automatically shunts the acoustic driver in response to the detection, free of any communication back to the emitter. The squelch signal originates from an...http://www.google.fr/patents/US7043286?utm_source=gb-gplus-shareBrevet US7043286 - Extrinsic signal to shunt an acoustic driver in a cellular telephone, pager or the like
Extrinsic signal to shunt an acoustic driver in a cellular telephone, pager ...
