Adequate electronic circuit for portable alarm system. (Machine-translation by Google Translate, not legally binding)

摘要

Portable electronic alarm. Formed by an electronic circuit that uses cmos technology so that the consumption, both at the rest and in surveillance, is of one or two microampers. The control is carried out through a touch keyboard (a3 to a8) in combination with a sound indicator that confirms the effectiveness of the pulsation. The device presents two sensors that activate the alarm when they are manipulated in an unauthorized way. of application to the protection of suitcases, bags and vehicles, as well as doors and windows through sensors of the magnetic type. (Machine-translation by Google Translate, not legally binding)