Process for operating a security system for the protection of persons and belongings

#The present invention relates to the field of the security of persons and belongings.

#Systems for calling for help are already known, said systems comprising a portable object furnished with a button which, when it is invoked, activates, by remote control, a signalling device such as a warning siren in the vicinity and/or a remote warning telephone transmitter.

#Systems are known moreover which allow an outside person to warn a person in his or her home and which allow the latter to activate, by virtue of a button, the unlocking of an electric unit for closing a door for access to this home.

#The present invention will be better understood on studying a security system and its method of operation, which are described by way of nonlimiting examples and illustrated by the drawing in which:

#FIG. 1 represents a general diagram of a security system according to the invention;

#FIGS. 2 to 5 represent various timing charts of the operation of the security system of FIG. 1;

#Referring to FIG. 1, it may be seen that represented therein is a security system 1 intended to be installed and used by one or more persons living in a home.

#This security system 1 comprises a warning device 2 comprising for example a buzzer 2a, located inside the home, associated with an exterior control unit 3 furnished with an exterior push button 3a.

#The exterior control button 3a is located in proximity to a door 4 for access to the home. This door 4 is furnished with an electrically controlled lock 5 controlled by an electromagnet for example which comprises an unlocking means 6 actuating this electromagnet.