Personal hands-free accessory for mobile device
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United States of America Patent
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Jun 30, 2015
Grant Date -
Nov 7, 2013
app pub date -
May 2, 2012
filing date -
May 2, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hands-free accessory for a mobile device may include a microphone element, and a telecoil coupled with the microphone element in parallel. The microphone element and the telecoil are coupled with an output terminal of the hands-free device. The hands-free accessory may further include a capacitor coupled with the telecoil in series. The hands-free accessory may further include an ear speaker. The hands-free accessory may further include a first switch between the microphone element and the telecoil. Alternatively, the mobile device may include a second switch configured to control operation of the microphone element. When the first switch or the second switch is turned off/closed, the microphone element is not operated, and a signal corresponding to an electric current induced in the telecoil is input/transmitted to the mobile device.
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Family
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