Showing papers on "Smart camera published in 1969"
Patent•
10 Sep 1969
TL;DR: In this paper, the video signal output of a television camera is successively differentiated, integrated and differentiated to produce signals which are utilized by a logic circuit to drive a motor that controls the focus of the camera.
Abstract: Apparatus for automatically focusing a television camera The video signal output of the camera is successively differentiated, integrated and differentiated to produce signals which are utilized by a logic circuit to drive a motor that controls the focus of the camera
23 citations