RFID (radio frequency identification) and IC card

Details RFID (radio frequency identification) and IC card RFID (radio frequency identification) and IC card

2005-12-06

2005-12-06

Zimmerman, Brian (Department: 2635)

Communications: electrical

Selective

Interrogation response

C340S010340

Reexamination Certificate

active

06972662

ABSTRACT:
An RFID which provides a wide working voltage range and general versatility at low cost, without the need for changing its internal circuit design due to external factors. In the RFID, there is provided an arrangement that a low impedance state is given when its internal data communication circuit is in a reset state.

REFERENCES:
patent: 4333072 (1982-06-01), Beigel
patent: 4857893 (1989-08-01), Carroll
patent: 5153583 (1992-10-01), Murdoch
patent: 5430441 (1995-07-01), Bickley et al.
patent: 5521590 (1996-05-01), Hanaoka et al.
patent: 5793305 (1998-08-01), Turner et al.
patent: 5973598 (1999-10-01), Beigel
patent: 6246624 (2001-06-01), Hirano et al.
patent: 8-30752 (1996-02-01), None
patent: 10-207580 (1998-08-01), None

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