A device to destroy Equipment eletricos in response to a criminal action

摘要

A destructive device for automobile radio equipment in which the radio equipment and an over-load power source connected in circuit to the radio equipment are enclosed in an open-front box closable by a removable face plate normally locked over the box by a key-operated lock, the circuit having two switches in series, one of them being actuated to a closed position when the face plate is removed and the other being normally closed when the lock is closed and opened when the lock is opened so that the circuit is closed to destroy the radio equipment when an attempt is made to remove the face plate without first operating the lock to an open position.