Identification system using transponder badges, component parts

Details Identification system using transponder badges, component parts Identification system using transponder badges, component parts

1993-04-07

1994-05-31

Sotomayor, John B.

Communications: directive radio wave systems and devices (e.g.,

Radar transponder system

Unique identity

342 51, 379 56, 379 57, 379 60, 379 62, 379 63, G01S 1380

Patent

active

053173180

ABSTRACT:
A system for identifying persons, animals or objects provided with identifying badges comprises at least one interrogator provided with a microwave transmitter producing interrogation signals modulated by a BARKER code. A plurality of transponder type identifying badges use the power of a BARKER code modulated signal received from an interrogator to transmit a respective microwave response code transposed from the received signal. At least one identification receiver is adapted to decode the microwave response codes from the badges by a correlative method. The system is incorporated into a server application, in particular a multiservice telephone installation processing the identification information that it provides.

REFERENCES:
patent: 3766552 (1973-10-01), Hajduk
patent: 4047171 (1977-09-01), Fugit
patent: 4096477 (1978-06-01), Epstein et al.
patent: 4725841 (1988-02-01), Nysen et al.
patent: 4734698 (1988-03-01), Nysen et al.

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