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A Rooter for Video Signals

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1 Author(s)
B. M. Oliver ; Bell Telephone Laboratories, Inc., Murray Hill, N.J.

This paper describes a device which takes the nth root of the instantaneous amplitude of a video signal. Its function is to linearize the over-all transfer characteristic, and thus to improve the picture quality in a television system using linear camera tubes and conventional cathode-ray viewing tubes.

Published in:

Proceedings of the IRE  (Volume:38 ,  Issue: 11 )