IC-tag read-write apparatus

Details IC-tag read-write apparatus IC-tag read-write apparatus

2007-08-21

2007-08-21

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C374S101000, C455S041100, C455S041200, C455S073000

Reexamination Certificate

active

11020627

ABSTRACT:
A radio data communication apparatus includes a circuit unit and at least one antenna unit. The circuit unit performs data read and write operations relative to an IC tag. Each antenna unit has an antenna and conducts a predetermined signal modulation to a first signal to be transmitted through the antenna by radio transmission to a specific IC tag in the data write operation. Also, each antenna unit conducts a predetermined signal demodulation to a second signal received through the antenna from the specific IC tag in accordance with the data read operation. The antenna unit is arranged at a position separated from the circuit unit.

REFERENCES:
patent: 5640151 (1997-06-01), Reis et al.
patent: 7005968 (2006-02-01), Bridgelall
patent: 7-200749 (1995-08-01), None
patent: 2002-259921 (2002-09-01), None

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