| 发明名称 |
Apparatus for detecting when birds are in a birdhouse |
| 摘要 |
Apparatus for detecting when birds are in a birdhouse with a heat sensor and illuminating a lamp to give a visual indication of the presence of the bird. A second portion of the circuit gives a visual indication when the bird enters or leaves the birdhouse.
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| 申请公布号 |
US5483922(A) |
申请公布日期 |
1996.01.16 |
| 申请号 |
US19950412638 |
申请日期 |
1995.03.29 |
| 申请人 |
HALL, LANCE S. |
发明人 |
HALL, LANCE S. |
| 分类号 |
A01K31/14;(IPC1-7):A01K31/14 |
主分类号 |
A01K31/14 |
| 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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