| 发明名称 |
Alarm enhancing protective cover for safety instruments with optional calibration chamber |
| 摘要 |
<p>Methods and systems to redirect the audible and visible signals from alarms on a portable safety device. A cover (10) cooperates with a portable safety device (50) to define a sound chamber (12) that amplifies audible warning signals. A visual alarm guide (14) also is provided. A calibration adapter (500) affords quick and simple bump testing and calibration of the portable safety device.</p> |
| 申请公布号 |
AU2013325257(A1) |
申请公布日期 |
2015.04.16 |
| 申请号 |
AU20130325257 |
申请日期 |
2013.07.02 |
| 申请人 |
INDUSTRIAL SCIENTIFIC CORPORATION |
发明人 |
WON, TAE-YEON;HUGHES, CHARLES;DAY, BRAD |
| 分类号 |
G10K9/22;G08B3/00;G10K11/20;H04M1/03 |
主分类号 |
G10K9/22 |
| 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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