| 发明名称 |
Lamp brightness sensor has fixed gain operational amplifier with D/A driven current supply to photodetector connected input terminal |
| 摘要 |
<p>A lamp brightness sensor (1) has fixed (6) gain operational amplifier (2) with parallel semiconductor photodetectors (3, 4) connected to the negative input and a current supply path (5) from a D/A (Digital to Analogue) converter (ISHIFT) connected to the same input.</p> |
| 申请公布号 |
DE202005015058(U1) |
申请公布日期 |
2005.12.08 |
| 申请号 |
DE20052015058U |
申请日期 |
2005.09.23 |
| 申请人 |
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN MBH |
发明人 |
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| 分类号 |
G01J1/44 |
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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