Apparatus and method for performing optical signal intensity correction in electro-optical sensor arrays
First Claim
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1. A device for enhancing signal detection comprising:
- a sensory array of sensing elements extending in rows and in columns in first and second orthogonally disposed directions, respectively;
a datum selected on said array for reference relative to said rows and columns;
a plurality of circuit chains each associated with a given column of said sensing elements for processing a signal into recognizable form; and
wherein each of said circuit chains taken relative to said datum has a means for producing a gain different from that of a circuit chain associated with a column of said sensing means located coincidentally with said datum.
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Abstract
A method and related system provides an array of sensing elements located in rows and columns, and each column of sensing elements has a connected circuit chain which processes the signals from the sensing elements in that column. Each circuit chain produces a signal with a corrective gain value calculated for it relative to the datum of the array which is selected for the point where signal strength would be strongest. The method and device is capable of being used in a starring or scanning type array mode.
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Citations
18 Claims
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1. A device for enhancing signal detection comprising:
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a sensory array of sensing elements extending in rows and in columns in first and second orthogonally disposed directions, respectively;
a datum selected on said array for reference relative to said rows and columns;
a plurality of circuit chains each associated with a given column of said sensing elements for processing a signal into recognizable form; and
wherein each of said circuit chains taken relative to said datum has a means for producing a gain different from that of a circuit chain associated with a column of said sensing means located coincidentally with said datum. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of enhancing a signal comprising the steps of:
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providing a sensory array comprised of a plurality of sensory elements arranged in rows and columns;
selecting a datum on said array and referencing said rows and columns of said sensing elements relative to said datum;
determining a prescribed gain for signals generated from a given column of said sensing element taken relative to the strength of a signal from sensory elements at said datum;
and processing signals generated by a given row of said sensing elements in a dedicated circuit chain having an preassigned gain value capable of compensating for signal strength which is less than that of a signal detected at the datum. - View Dependent Claims (16, 17, 18)
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Specification