Redundant linear detection arrays

Details Redundant linear detection arrays Redundant linear detection arrays

1997-08-29

1999-10-05

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

2502081, 2502082, 345 93, 348246, H01J 4014

Patent

active

059628464

ABSTRACT:
A detector array for detecting an optical signal includes a plurality of pixels. Each pixel has a plurality of detector elements coupled together in a redundant configuration such that the detector array maintains a substantially uniform response even if each of the pixels includes a number of defective detector elements. The optical signal is lengthened in the direction normal to the information vector, so that each detector element is exposed to the same portion of the optical signal. A bad-element sensor is coupled to each detector element, which is functionally responsive to the detection of a bad detector element.

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patent: 5111060 (1992-05-01), Asada
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