Sensor system for a personal alarm security device

摘要

The invention provides a new personal security alarm system which has a reliable, non sensitive actuation mechanism. The alarm security device according to the invention comprises an activation clasp which comprises an electronic contact characterized in that said clasp comprises a male part and a receiving female part; and that the male part comprises at least one long contact pin and at least one short contact pin and the female part comprises receiving contact sockets for each of the contact pins, and wherein the electronic contact is settable between three different modes.