Pooling of an antenna and of a converter for supplying power to an electronic circuit

An autonomous electronic system comprising:

• two input terminals that are able to receive wired electrical connections, connected to an external electrical energy source;
• a converter circuit connected to the two input terminals in order to receive electrical energy from said external electrical energy source, the converter circuit comprising at least one inductive element;
• a means for storing the energy delivered by the converter circuit;
• an electronic processing circuit performing a predefined function when the energy stored in said storage means is greater than a predefined value, and delivering a data signal after performing said function;
• an emission circuit connected to an antenna in order to transmit said data signal to a remote receiver;
• and
• a control circuit able to control said circuits;
• wherein the set of circuits is supplied with power from said external electrical energy source and wherein the average power drawn from the external electrical energy source is lower than the average power necessary for the electronic processing and emission circuits to perform said function and send the corresponding data;
• wherein said converter and the antenna comprise at least one common inductive element, and in that the system comprises a link device situated between the emission circuit and said at least one common inductive element so as to allow the signal that is to be emitted to be transferred by the antenna formed wholly or partly by said at least one common inductive element.