| 发明名称 |
AUDIO DOSIMETER |
| 摘要 |
An audio dosimeter for individual use determining exposure to sound energy as a function of both frequency and pressure level, with integration over the time of exposure and incorporating storage means preserving a quantitative measure of the exposure.
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| 申请公布号 |
US3696206(A) |
申请公布日期 |
1972.10.03 |
| 申请号 |
USD3696206 |
申请日期 |
1970.11.27 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND CO. |
发明人 |
EDWARD S. IDA;ALFRED LECHNER;JAMES L. PARSONS |
| 分类号 |
G01H3/00;(IPC1-7):G10L1/00;G01H3/12 |
主分类号 |
G01H3/00 |
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