Other

Schneider Electric Industries Sas

Michel Prunier

Robert Jean

Serge Laffont

Philippe Trichet

Serge Noraz

Pierre Caillet

A compact fail safe interface includes an astable multivibrator ring type oscillator that includes an odd number of inverting components. Power supply inputs of the inverting components of the oscillator constitute functional inputs to the interface. In the event that one of the inputs is not correctly supplied, the oscillator generates a continuous safe state output signal. The interface is particularly suited for use with voting modules designed to increase both the safety and the availability of an installation.

Compact fail safe interface and voting module including the compact fail

An automatic monitoring system of storage batteries housed in battery rooms comprises an acquisition satellite associated with a sensor to measure various physical parameters representative of the operating state of a pilot battery cell, notably the density, temperature and electrolyte level, a data concentrator located outside the corresponding battery room and arranged to communicate by radioelectric waves with the acquisition satellite, and a centralized processing unit connected to the concentrator by a two-way cabled communication network.

Automatic monitoring system in an explosive environment of a direct

Growing community of inventors

Domene, France

Michel Prunier