| 发明名称 |
AN ULTRASOUND EMISSION DERATIZATION METHOD AND DEVICE |
| 摘要 |
<p>An ultrasound emission deratization device is described, comprising generation means (A, B, D) of a first ultrasound frequency (P1) and a second ultrasound frequency (P2) which are alternated, with a predetermined mean emission time for each of the two, and randomly variable time range pauses between a minimum and a maximum between one and the other.</p> |
| 申请公布号 |
EP2034821(B1) |
申请公布日期 |
2014.10.08 |
| 申请号 |
EP20070726076 |
申请日期 |
2007.06.19 |
| 申请人 |
HI.TECH INNOVATION S.R.L. |
发明人 |
AMENDOLA, CARLO;ZACCO, GIOVANNI;COCOZZA, GIANFRANCO |
| 分类号 |
A01M29/18 |
主分类号 |
A01M29/18 |
| 代理机构 |
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代理人 |
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