DEVICE FOR MONITORING A SCREEN

摘要

The invention concerns a screen monitoring device (1) for controlling conformity of written data with those transmitted by an electronic module (5). It comprises means for comparison (7) between a first information (8, 8a) displayed on the screen delivered by a generator (6) and a second information (13) read by detecting means (11) on the screen. The first information (8, 8a) is of the on/off type or of random type. The invention is applicable to all types of screens.