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Adapters for facilitating half-duplex wireless communications in portable electronic communications devices, and systems comprising same
Adapters for facilitating half-duplex wireless communications in portable electronic communications devices, and systems comprising same
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机译:用于在便携式电子通信设备中促进半双工无线通信的适配器以及包括该适配器的系统
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摘要
Adapters (10) for use with portable electronic communications devices (12) such as cellular phones, smart phones, and personal digital assistants can facilitate use of the devices (12) in half-duplex communications modes such as push to talk (PTT) and land portable radio (LMR). The adapters (10) can include a case (18) configured to receive the communications device (12), and a button or key (40) mounted on the case. The key (40) communicates with the communications device (12) when the communications device (12) is disposed in the case (18), and is operable to generate on a selective basis an input corresponding to a transmit command that causes the communications device (10) to transmit. The adapters (10) can also include a speaker module and a microphone that communicate with the communications device (10) via a connector (28) on the case (18), or wireless transceivers (41a, 41b).
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