Communication between electromagnetic transponders

The transponder has an oscillating circuit with a rectifying bridge that provides a voltage of an electronic circuit. The circuit transmits the digitally coded information and a demodulator of the transponder differentiates information received at the rate of the back-modulation sub-carrier of anoth...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CONRAUX, JEROME, RIZZO, PIERRE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES CALCULATING COMPUTING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HANDLING RECORD CARRIERS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS PRESENTATION OF DATA RADIO DIRECTION-FINDING RADIO NAVIGATION RECOGNITION OF DATA RECORD CARRIERS TESTING TRANSMISSION
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Beschreibung
Zusammenfassung:	The transponder has an oscillating circuit with a rectifying bridge that provides a voltage of an electronic circuit. The circuit transmits the digitally coded information and a demodulator of the transponder differentiates information received at the rate of the back-modulation sub-carrier of another transponder, with respect to information received at the rate of a lower frequency from a read/write terminal. Independent claims are also included for the following: (a) a system of contactless and wireless communication between two electromagnetic transponders having no independent power supply (b) a method for a transponder.