monitoring system for video and / or tonüberwachung

摘要

the invention relates to a monitoring system (10) for video and / or tonüberwachung, with an image sensor (12) for capturing images and / or a microphone for capturing audioa verschlüsselungsschaltkreis (16) to encrypt the image and / or tondaten, characterizedthe logic of the verschlüsselungsschaltkreises (16) after its initial programming can not be changed.