Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1988-05-31
1990-06-19
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
2502081, H01J 4014
Patent
active
049356364
ABSTRACT:
An image sensor having image sensing cells of extreme sensitivity, wherein, in a preferred embodiment, each cell has at least one pair of cross-coupled current control elements that provide regenerative feedback so that microscopic image influences will be continuously magnified until they become sufficiently large for sensing. The continuous magnification is allowed to take place only at a controlled rate and during a controlled time, thereby causing a controlled degree of magnification of the image signal to be developed within each cell.
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