Semiconductor device for IC tag, IC tag, and control method...

Details Semiconductor device for IC tag, IC tag, and control method... Semiconductor device for IC tag, IC tag, and control method...

2005-07-28

2008-12-23

Lieu, Julie (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S005600, C340S005610, C340S007220, C340S539100, C340S870030

Reexamination Certificate

active

07468668

ABSTRACT:
A semiconductor device for an IC tag comprises a receive unit for demodulating receive data from a received RF signal and a signal processing unit for detecting a command comprising data signals from the receive data demodulated by the receive unit and executing processing based on the command, wherein the signal processing unit has a command acceptance mode for detecting the command from the receive data and a command execution mode for executing the command, and generates an error signal when the data signal is not detected from the receive data in the command acceptance mode.

REFERENCES:
patent: 6838998 (2005-01-01), Brown et al.
patent: 7158032 (2007-01-01), Rodriguez et al.
patent: 2002/0078149 (2002-06-01), Chang et al.
patent: 2006/0077607 (2006-04-01), Henricks et al.
patent: 2007/0018833 (2007-01-01), Higashionji et al.
U. Karthaus et al., “Fully Integrated Passive UHF RFID Transponder IC with 16.7-μW Minimum RF Input Power,” IEEE Journal of Solid-State Circuits, vol. 38: Oct. 10, 2003, pp. 1602-1608.

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