Visible light and near infrared imaging device
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United States of America Patent
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Dec 30, 1980
Grant Date -
N/A
app pub date -
Nov 13, 1978
filing date -
Nov 13, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A visible light and near infrared imaging device is disclosed. The imaging device comprises X-Y addressing means, an array of opto-electronic semiconductor elements or cells, a multiplexer, a precharge switch, and an amplifier. The X-Y addressing means selectively addresses each cell of the array of opto-electronic semiconductor cells and corresponding multiplexer switch for connecting a reference voltage to each cell to charge each element to the reference voltage, then to isolate each element and vary its voltage in proportion to the intensity of the impinging light, and finally to read out selectively the voltage of each element to the amplifier for amplifying the electrical signals representative of the light intensity to a working level for processing into video signals.
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