Abstract: A remote monitoring system for remotely monitoring, by telephone, at least one apparatus of an installation (1), acting through a telephone network (2) having lines to which the installation and at least one distant terminal device (3) are connected for remote monitoring purposes, the system being characterized in that it comprises, local to the installation, a premises controller (4) organized about a microprocessor control circuit (18) and connected firstly to units (23, 24 25) of the apparatus to be monitored in the installation, and secondly to a directory terminal (5) of a type suitable for automatically detecting and dialing telephone calls (12, 13) in order to be put into communication with the terminal device (3) through the telephone network, said terminal device being compatible with the selected directory terminal (5) so as to enable them to be put into communication with each other manually and/or automatically from either end via the telephone lines (L1, L2) respectively connecting the terminal d

Abstract: The process applies to the printing of dots on a heat sensitive paper by using a thermal printer incorporating a printing head formed by N heating resistors aligned in the direction of the line to be printed, signal input devices representing the dots to be printed, means for storing the signals received by the input devices, as well as means for controlling the displacement of the printing head and the heating of the resistors corresponding to the locations of the dots to be printed. It consists of preventing the displacement of the printing head and permitting the heating of the resistors when, the number of points to be printed and stored within the storage means, exceeds a predetermined number of dots, so as to ensure that the number of dots to be stored does not exceed the storage capacity of the storage means.This process is performed by the thermal printer described.