发明名称 |
Mobile microphone-transmitter assembly |
摘要 |
A mobile microphone-transmitter assembly is disclosed which comprises a microphone, a plurality of infrared light emitting devices, electrical apparatus connected between the microphone and the devices to energize the devices in response to inputs to the microphone and a mechanical structure for supporting the devices to produce a substantially omnidirectional, horizontal radiation pattern when the structure is worn by a user and the devices are energized.
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申请公布号 |
US4224482(A) |
申请公布日期 |
1980.09.23 |
申请号 |
US19780965076 |
申请日期 |
1978.11.30 |
申请人 |
BELL TELEPHONE LABORATORIES, INCORPORATED |
发明人 |
LESE, GREGORY;LIEBLER, CHARLES F.;PATEL, DILIPKUMAR B. |
分类号 |
H04M1/05;H04M1/737;(IPC1-7):H04M1/05 |
主分类号 |
H04M1/05 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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