Portable communication device
作者： Mark Menny Gordon
DOI:
关键词: Electrical engineering 、 Front panel 、 State (computer science) 、 Proximity sensor 、 Telephony 、 Communication device 、 Mode (computer interface) 、 Computer science
摘要: A portable communication device capable of operating in a telephony mode and dispatch is disclosed. The includes proximity sensor first speaker mounted on front panel second rear panel. operation the speakers controlled accordance with operational state as well output sensor.
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