发明名称 HANDS-FREE MICROPHONE AND SPEAKER PHONE ACCESSORY
摘要 One embodiment of a hands-free headset contains both a microphon e and speaker in the same earpiece of a loopdown headset. Alternatively, the microphone is located at the bottom of the loopdown headset. fu another embodiment, a hands-free microphone and speaker accessory includes a cord. A microphone is attached to an extension wire that is connected at a first location along the cord. The extension wire allows the microphone to can be positioned in many different locations, limited only by the length of the extension wire. For example, the microphone may be positioned in the ear of the operator, suspended in proximity to the mouth of the operator, or tucked inside the operator's clothing to muffle external sounds.
申请公布号 WO03039191(A1) 申请公布日期 2003.05.08
申请号 WO2002US33799 申请日期 2002.10.21
申请人 MATECH, INC.;MASUDA, MASAHISA;HATORI, TERRY 发明人 MASUDA, MASAHISA;HATORI, TERRY
分类号 H04R1/10;H04R5/033;(IPC1-7):H04R1/10;H04R1/08 主分类号 H04R1/10
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