| 发明名称 |
Light ledge for a level glass |
| 摘要 |
A light ledge device for a level instrument. The ledge device includes at least one light emitting diode. A translucent ledge has a cavity for receiving each light emitting diode. Each cavity is shaped so that each diode tightly joins the ledge.
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| 申请公布号 |
US5440460(A) |
申请公布日期 |
1995.08.08 |
| 申请号 |
US19930137307 |
申请日期 |
1993.10.15 |
| 申请人 |
TECHNOR AS |
发明人 |
MELBERG, TOLLAK |
| 分类号 |
F21S8/00;F21V5/00;F21V5/04;F21V25/12;F21V31/04;G01F23/02;G01F23/292;(IPC1-7):F21V33/00 |
主分类号 |
F21S8/00 |
| 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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