| 发明名称 |
Device for reducing the noise level in operating devices equipped with fans |
| 摘要 |
For eliminating the fan noise in operating devices, the invention proposes to generate a similar acoustic oscillation of opposite phase and thus to cancel out completely the noise of the fan of the operating device, a multiplicity of noises being stored on a chip and being able to be selected henceforth by customers.
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| 申请公布号 |
DE4343819(A1) |
申请公布日期 |
1994.10.20 |
| 申请号 |
DE19934343819 |
申请日期 |
1993.12.22 |
| 申请人 |
WFK - MOEBEL VERTRIEBS GMBH, 48143 MUENSTER, DE |
发明人 |
KLUTE-MOELLERS, GEB. KLUTE, WILLI F., 48153 MUENSTER, DE |
| 分类号 |
G10K11/178;(IPC1-7):G10K11/00 |
主分类号 |
G10K11/178 |
| 代理机构 |
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