| 发明名称 |
WARNING SYSTEM |
| 摘要 |
A warning system in which an audio pulse train is continuously emitted from an item of equipment and wherein a person, exposed to the audio pulse train, carries a detector which, in response to detection of the pulse train, emits audio pulses which are detected at the item of equipment.
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| 申请公布号 |
CA2744597(A1) |
申请公布日期 |
2010.06.03 |
| 申请号 |
CA20092744597 |
申请日期 |
2009.10.22 |
| 申请人 |
SANDVIK MINING AND CONSTRUCTION RSA (PTY) LTD. |
发明人 |
LEPPANEN, JARMO UOLEVI;OOSTHUIZEN, OCKERT |
| 分类号 |
G08B21/02;B60Q1/52;B66C15/04;B66C15/06;E02F9/24;G01S15/93 |
主分类号 |
G08B21/02 |
| 代理机构 |
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代理人 |
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