发明名称 |
Arrangement for producing a constant signal amplitude in an opto-electronic scanning system |
摘要 |
An arrangement for controlling a constant signal amplitude in an opto-electronic scanning system, for example in an incremental angle indicator, utilizes diaphragms which are periodically interposed between a light source and a light receiver. The brightness of the light source can be regulated by a light receiver which detects brightness. When arranged opposite a diaphragm gap, the light receiver of the opto-electronic scanning system supplies at the received value of the light to a storage device which stores the value for the duration of a dark phase produced by the diaphragm and the light value is applied to a circuit for regulating the brightness of the light source.
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申请公布号 |
US4203032(A) |
申请公布日期 |
1980.05.13 |
申请号 |
US19780923995 |
申请日期 |
1978.07.12 |
申请人 |
SIEMENS AG |
发明人 |
HAUNSTETTER, FRANZ;KOPPELMANN, GERHARD |
分类号 |
H01L31/12;G01D5/26;G01D5/36;(IPC1-7):G01J1/32 |
主分类号 |
H01L31/12 |
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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