Invention Grant
US08406806B2 Mobile telephone capable of automatically switching antenna according to user's hand position 有权
能够根据用户手位自动切换天线的手机

Mobile telephone capable of automatically switching antenna according to user's hand position
Abstract:
A mobile communication device includes a first antenna configured to transmit and receive RF signals, a first capacitive sensor adjacent to the first antenna, a second antenna configured to transmit and receive RF signals, a second capacitive sensor adjacent to the second antenna, a sensing circuit in communication with the first capacitive sensor and the second capacitive sensor, the sensing circuit being that can determine the position of a user's hand adjacent to the first antenna or the second antenna in response to sensing signals received from the first capacitive sensor and the second capacitive sensor, and an antenna switching circuit that can select the first antenna or the second antenna to transmit and receive RF signals to enable wireless communications in response to the position of the user' hand relative to the first antenna and the second antenna as determined by the sensing circuit.
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