Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1987-08-07
1989-06-06
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250236, 250334, 358109, H01J 314, H04N 718
Patent
active
048374318
ABSTRACT:
A variable phase time delay and signal aggregation ssystem is disclosed. The invention is adapted for use in scanning detection system and serves to maintain spatial resolution on a target surface independent of scan angle. The invention includes means for detecting electromagnetic signals from the surface area. The detector means includes a plurality of detector elements. Each detector element generates a corresponding first plurality of output signals representative of the response of the detector to energy received from the surface area within the field of view of the detector as the detection system scans through a predetermined range. Control means are included for selectively clocking the output signals from the detector elements to phase the relative timing thereof as a function of the scan angle. Means are included to aggregate these signals to generate a combined output signal having the predetermined spatial resolution.
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Burton, "Electronic Solid State Wide Angle Camera System-Esswacs", Proceedings of the Society of Photo-optical Instrumentation Engineers vol. 101, 4/77, pp. 10-19.
Kostishack et al. "Continuous-scan Charge-Coupled Device (CCD) Sensor System with Moving Target Indicator (MTI) for Satellite Surveillance" SPIE vol. 252 Smart Sensors II, 1980, pp. 44-53.
Malinowski Frank R.
Pagano Thomas S.
Karambelas A. W.
Laslo V. G.
Messinger Michael
Nelms David C.
Santa Barbara Research Center
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