Programmable transponder

Details Programmable transponder Programmable transponder

G - Physics

01

S

G01S 13/75 (2006.01) G07C 9/00 (2006.01)

Patent

CA 2074702

A passive transponder has a power antenna which receives a power signal and a communication antenna which receives a communication signal. An information generating circuit creates a second communication signal in response to the first communication signal and outputs the second communication signal through the communication antenna. The information generating circuit is powered by a power supply which outputs a voltage for powering the transponder in response to the power signal. The information generating circuit includes a reprogrammable EEPROM and an EEPROM interface circuit which operates on the EEPROM by retrieving and storing data in response to the instructions and data contained within the first communication signal.

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