Portable handset having a radio frequency...

Details Portable handset having a radio frequency... Portable handset having a radio frequency...

2007-11-27

2007-11-27

Frech, Karl D. (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S472020, C235S472030, C235S375000

Reexamination Certificate

active

11011030

ABSTRACT:
In receiving information on an item by use of electromagnetic waves propagating from the item in which a radio frequency identification (RFID) chip is embedded, a portable handset requests the information on the item that is stored in the RFID chip to the RFID chip-embedded item, receives from the item the information on the item, and, if additional information is needed other than the received information, requests the additional information to a server storing the information on the item by using the received information.

REFERENCES:
patent: 6913199 (2005-07-01), He
patent: 2003/0120745 (2003-06-01), Katagishi et al.
patent: 1 087 319 (2001-03-01), None
patent: 1 244 043 (2002-09-01), None
patent: 2000-278762 (2000-10-01), None
patent: 2002-324021 (2002-11-01), None
patent: 2003-157477 (2003-05-01), None
patent: 2003-198451 (2003-07-01), None
patent: 2003-0089683 (2003-11-01), None
patent: WO 99/17230 (1999-04-01), None

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