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Gain, Level, And Exposure Control For A Television CameraAutomatic-level-control/automatic-gain-control (ALC/AGC) system for charge-coupled-device (CCD) color television camera prevents over-loading in bright scenes using technique for measuring brightness of scene from red, green, and blue output signals and processing these into adjustments of video amplifiers and iris on camera lens. System faster, does not distort video brightness signals, and built with smaller components.
Document ID
19920000347
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Major, Geoffrey J.
(General Electric Co.)
Hetherington, Rolfe W.
(General Electric Co.)
Date Acquired
August 15, 2013
Publication Date
June 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 6
ISSN: 0145-319X
Subject Category
Electronic Systems
Report/Patent Number
MSC-21767
Accession Number
92B10347
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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