Schneider Electric Industries Sas

Michel Emmanuel

Francis Chauvet

Jacques Bernard

The invention relates to a method for coupling/uncoupling between a transmitter () and a receiver () capable of communicating with one another via a wireless link, characterized in that it comprises the following steps:

Method for coupling/uncoupling between a transmitter and a receiver

The present invention relates to a reading/writing station (ST) comprising a casing () including in particular a memory (M) and an antenna (AN) for exchanging data wirelessly by inductive technology with electronic tags (ET, ETI), each having an antenna (), a memory () and data processing means () for interpreting requests sent by the station (ST), characterized in that: The integrated electronic tag (ETI) makes it possible in particular to store data relating to the configuration of the reading station (ST) and/or application data.

Electronic tag reading/writing station

The invention relates to an inductive proximity detector comprising an oscillating circuit excited with resonance by a generator and comprising a detection coil sensitive to a metal target to be detected, wherein the oscillating circuit comprises a reference coil arranged to present a mutual inductance with respect to the metal target to be detected that is substantially lower than that of the detection coil with respect to the metal target, the oscillating circuit comprises a switch able to assume two positions to connect each coil alternately, the detector comprises processing means connected to the coils making it possible to determine the presence or absence of the metal target close to the detector.

Inductive proximity detector with switched windings

A method is presented for setting parameters of a field station equipped with an antenna for exchanging data in a contactless manner through RFID technology with electronic tags, the field station equipped with a signalling unit and equipped with electronic circuits including a memory containing at least one parameter. The invention consists in particular of updating a field station parameter as a function of the duration for which an electronic setting tag remains within the range of the field station antenna and of transmitting a signal using a signalling unit when the parameter of the field station is being updated.

Method and system for setting parameters of a field station in a communications network

Light curtain comprising two long assemblies defining between them an area to be monitored. Each assembly P, Pcomprises with regard to the other assembly a striped surface of lightand dark areasthus forming a grid. A linear or matrix receiver having a suitable optic picks up the image from the grid and the processing means of the two assemblies process the corresponding image signals to send an intrusion signal. Each assembly should preferably have two receivers RH, RB; RH, RBnear its ends and the optic associated to each receiver should cover the whole length of the opposite assembly, and the processing means should carry out a redundant processing of the images of the monitored area.

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Chazelles, France

Michel Emmanuel