La Telemecanique Electrique

Yves Oehlert

Jean Joly

Jean Neyroud

Jacky Pergent

Gilbert Barillier

Guy H Lacan

Olivier Penot

Bernard Le Blanc

Bernard LeBlanc

Oliver Penot

A coaxial cable transmission system is provided in which the coaxial cable is pre-equipped with tapping sleeves fixed to the coaxial cable and spaced apart along its length at a predetermined pitch, each sleeve-tapping box pair including mutual positioning and fixing means, each sleeve provided with at least one closable central well for passing and guiding therethrough a central connecting element associated with the tapping box and intended for making contact with the central conductor of the coaxial cable.

Coaxial cable transmission system

An input card (7) is put in communication with apparatuses (16) the operation of which is to be monitored in order to initiate certain operations. A terminal-box (13) is interposed between the card (7), which possesses detector circuits (17), and the members (16). The two ends of each circuit (17) are associated with a respective inner terminal (12) of the terminal-box (13), and the two ends of each member (16) are associated with a respective outer terminal (14) of the terminal-box (13). Shunts (19,21) mounted in the terminal-box and connected to supply terminals (14a,14b) put one of the ends of each circuit (17) or member (16) at a common potential. The other terminal of each member (16) is connected to the other terminal of a circuit (17) by means of a connection (18). The invention is used to avoid the need for auxiliary terminal-boxes and cards with a common potential point.

Range of input/output devices for an apparatus of the programmable

Input/output device for an apparatus of the programmable auto-control

Modular apparatus for coded interconnection between electronic cards and

Receptacle for electronic cards and method of assembling the same

The invention relates to a chassis intended to hold electronic modules which use printed circuit boards. The chassis includes upper and lower supports for the boards which have slide-ways to guide the boards, and also serve to align connectors and secure them to front and rear upper and lower cross-pieces of the chassis. The supports snap or latch onto the cross-pieces by means of mouths which are orientated at right-angles to one another. The chassis may be employed in industrial automation control systems.

Chassis intended to hold electronic circuits

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Rueil, France

Yves Oehlert