Radiant energy – Infrared-to-visible imaging – Including detector array
Patent
1985-04-22
1987-04-21
Howell, Janice A.
Radiant energy
Infrared-to-visible imaging
Including detector array
250330, 250338, 250370, 330 9, G01J 504, H01L 3100
Patent
active
046599282
ABSTRACT:
A focal plane array infrared device includes an optical system for focusing incoming infrared energy, a scanner for scanning the focused infrared energy onto a focal plane detector array for converting the infrared energy into electrical signals representative of the intensity of the infrared energy signals, a multiplexer for multiplexing the focal plane detector array electrical output to a dynamic preamplifier for amplification to a working level and a data processing means including a dynamic amplifier connected to the preamplifier for removing correlated noise from the information signal prior to signal processing, the dynamic amplifier including a plurality of switched capacitors and a transistor controlled by a controller whereby the incoming signals are stored in selected capacitors, amplified and combined to produce a difference signal at the output substantially equal to the focal plane detector array output.
REFERENCES:
patent: 4360732 (1982-11-01), Chapman et al.
patent: 4403148 (1983-09-01), Coon et al.
D. J. Carlson, A. D. Markum, G. L. Payton and R. S. Spriggs, "Development of a Staring Mosaic Module" Modern Utilization of Infrared Technology V vol. 197, Proceedings of the Society of Photo-Optical Instrument Engineers Conference (USA, 1979) pp. 2-8.
M. A. Copeland and J. M. Rabaey, "Dynamic Amplifier for M.O.S. Technology" IEEE Electronics Letters vol. 15, No. 10 (10 May 1979) pp. 301-302.
Hannaher Constantine
Heiting Leo N.
Howell Janice A.
Robinson Richard K.
Sharp Melvin
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