An image pickup apparatus has only a few line memories (5, 6, 7), a change-over switch (4, 104) for selectively supplying input signals to the line memories and a selector (8, 108) for selectively taking data stored in the line memories and stores data of a desired part of the picture to be enlarged...http://www.google.fr/patents/US4951125?utm_source=gb-gplus-shareBrevet US4951125 - Image pickup apparatus
