| 发明名称 |
THE METHOD OF PREVENTING HOWLING |
| 摘要 |
The howling of the sound amplifier apparatus can be prevented by installing two mikes in the same place. The outputs of the mikes are applied to the input of an OP amp. at 20-30≦̸ phase difference, and the outputs of the OP amp. s are applied to the positive input terminal and the negative input terminal of a differential amp. The output of the differential amp. is applied to the main amp.
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| 申请公布号 |
KR830001727(A) |
申请公布日期 |
1983.08.31 |
| 申请号 |
KR19820000828 |
申请日期 |
1982.02.25 |
| 申请人 |
KUK JAE ELETRONICS CO.,LTD. |
发明人 |
LEE CHUNG UNG |
| 分类号 |
H04R3/02;(IPC1-7):H04R3/02 |
主分类号 |
H04R3/02 |
| 代理机构 |
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