Safety system for audio-visual devices

摘要

This safety system (1) is made up of a memory component (2) which saves thedata it contains when no power source is connected and which has a connectionsystem (6). It is characterised by the fact that the memory component (2) hasan internal block (8) dedicated to storing a code while the audio-visualdevice (10) to which it is applied has a slot (24) and a connection mechanism(22) designed to be connected to the connection system (6) of theaforementioned memory component (2). The code contained in the block (8) canbe changed.