| 发明名称 |
CIRCUIT FOR PHOTOMETERS AND THE LIKE HAVING SENSING AND COMPENSATING DIODES AND UTILIZING POTENTIOMETER FOR SETTING THE CONSTANT OF PROPORTIONALITY BETWEEN THE LIGHT INTENSITY AND THE OUTPUT CURRENT |
| 摘要 |
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| 申请公布号 |
US3518438(A) |
申请公布日期 |
1970.06.30 |
| 申请号 |
USD3518438 |
申请日期 |
1968.05.22 |
| 申请人 |
U.S. PHILIPS CORP. |
发明人 |
CORNELIS MARIA HART;ARIE SLOB |
| 分类号 |
G01J1/44;H03F1/30;H03F3/08;H03F3/45;(IPC1-7):H01J39/12;G01J1/42;G03B7/02 |
主分类号 |
G01J1/44 |
| 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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