Sprite thermal imaging system with electronic zoom
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United States of America Patent
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Feb 15, 2000
Grant Date -
N/A
app pub date -
Feb 7, 1997
filing date -
Feb 7, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A signal processing in the element (SPRITE) thermal imaging system (20) is provided which has an electronic zoom. The system has an optics and scanning assembly (24) that scans energy from a scene (26) onto an array of SPRITE detectors (28) which generate a plurality of analog signals (30) that are proportional to the flux of infrared light received by each of the SPRITE detectors (28). The optics and scanning assembly (24) scans at a rate which is based on an optics and scanning assembly timing scheme and a digital scan converter (32) processes the analog signals (30) and generates a resultant digital output (34) for image production of the scene. The digital scan converter (32) processes the analog signals based upon a digital scan converter timing scheme. A timing and control unit (40) is used for controlling synchronization and alters the timing schemes to increase resolution and sensitivity.
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