EP1445877A3

Communication between electromagnetic transponders

Abstract

The invention relates to an electromagnetic transponder for taking the energy necessary for its operation from a field radiated by a transmission terminal of a carrier at a first remote power supply frequency and to retromodulate the signal received at the rate of a subcarrier. carrier-carrier at a second frequency lower than the first, and comprising means (28) adapted to demodulate and decode signals modulated by said sub-carrier, and a communication system between such transponders.

EP1445877A3, drawing sheet 1
Sheet 1 of 1

Term

Term ended

Projected expiry passed 12 November 2023, 2.9 years ago.

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