Optoelectronic stadia
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United States of America Patent
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Mar 15, 1988
Grant Date -
N/A
app pub date -
Mar 24, 1986
filing date -
Apr 9, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optoelectronic stadia is proposed, which is intended for a levelling system with a rotary laser. The stadia has at least one vertical row of light sensitive diodes, which are electrically connected in matrix form. One diode pair in each case forms one matrix node. The column signals and line signals are decoded and evaluated in an evaluation apparatus and the measured result is supplied to a display means. The matrix arrangement of the diodes leads to a very simple construction with relatively few components.
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