发明名称 |
Vacuum tube microphone apparatus |
摘要 |
A microphone apparatus including a vacuum-tube amplifier amplifying an electric signal converted from an acoustic signal includes a thermo-ionic cooling element having two surfaces, in which a first surface is in contact with the vacuum-tube amplifier for absorbing the heat generated from the vacuum-tube amplifier and the absorbed heat is radiated to the exterior from the second surface.
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申请公布号 |
US5357577(A) |
申请公布日期 |
1994.10.18 |
申请号 |
US19920953124 |
申请日期 |
1992.09.28 |
申请人 |
SONY CORPORATION |
发明人 |
WAJI, TOMOHIRO;TAKAHASHI, KAZUMASA;YAMAZAKI, SATOSHI;YOSHIDA, KIICHI;KOHNO, OSAMU;ENOKUMA, TOHRU;TANAKA, EIICHI |
分类号 |
H04R1/00;H01J7/24;H04R1/04;(IPC1-7):H04R3/00 |
主分类号 |
H04R1/00 |
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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