Image sensor with memory
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United States of America Patent
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-
Nov 1, 1988
Grant Date -
N/A
app pub date -
Feb 24, 1987
filing date -
Feb 25, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Image sensor with memory and, more especially, image sensor with reading by thermal effect. This sensor comprises mainly a layer of a photoconductive material and a layer of a transparent material, the impedance of which varies with the temperature, these two layers being comprised between two electrodes. Furthermore, a voltage generator can be connected to the electrodes during the recording when the device is illuminated. Finally, a charge amplifier can be used to detect a current when the unit is heated.
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