Autoregistration device for a colour TV camera.

摘要

An autoregistration system is disclosed for a color television camera equipped with a plurality of image pickup devices (1, 2, 3) so as to combine picture signals obtained through the plurality of channels from the plurality of image pickup devices into a composite color television signal. The autoregistration system comprises means (18) for producing a level difference signal representing a predetermined difference in level between the picture signals of desired two channels, between which a picture image registration is to be carried out, and a first and second edge signal of the two channels; and means (21) for subjecting the level difference signal and first and second edge signals to an operational processing to obtain a discriminatory signal representing the direction of a registration offset between the picture signals of the two channels.