Split dynamic range using dual array sensor chip assembly

Details Split dynamic range using dual array sensor chip assembly Split dynamic range using dual array sensor chip assembly

1988-12-14

1992-03-31

Hellner, Mark

Radiant energy

Infrared-to-visible imaging

Including detector array

250330, 250339, G01J 102

Patent

active

051011085

ABSTRACT:
An infrared sensing array having a detector array, a readout circuit, and processing circuitry. The detector array includes first and second subarrays having different sensitivities associated therewith for detecting different brightness level ranges. The sensitivities of the subarrays are determined by sensing circuit elements in the readout circuit. As a result of the subarrays of different sensitivities, the composite dynamic range covered by the array is greater than the individually dynamic ranges of the subarrays.

REFERENCES:
patent: 3781558 (1973-12-01), Anderson
patent: 3902066 (1975-08-01), Roosild et al.
patent: 4734582 (1988-03-01), Gibbons et al.
patent: 4734583 (1988-03-01), Wang et al.

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