Societe Nationale Industrielle Aerospatiale

Claude Pathe

Jean Darmois

Claude Nee

The invention relates to an electrical device including at least one thermal battery, in which the electrolyte, which is normally inactivated, has to be activated by an activator, and whose temporary operation is coupled with a release of heat which subjects the elements of the battery to an increase in temperature such that to a specific temperature of said elements corresponds a predetermined moment in the operation of said battery. The device includes at least one thermal switch which is thermally connected with an element belonging to said battery, and which is designed to work at a predetermined temperature varying within the range of temperatures taken on by said element during operation of the battery. The invention finds an application in watching devices.

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Chatillon, France

Claude Pathe