Identification tag for wireless communication with remote contro

Details Identification tag for wireless communication with remote contro Identification tag for wireless communication with remote contro

1998-07-31

2000-06-27

Hajec, Donald

Registers

Systems controlled by data bearing records

Credit or identification card systems

2353825, 235492, G06K 0710

Patent

active

060796197

ABSTRACT:
An identification tag is attached to or imbedded in each article a plurality of which are located nearby or stacked together. The identification tag wirelessly communicates with a remote controller such as a hand-held terminal to send data or receive command. Electric power to operate the identification card is also wirelessly supplied from the remote controller. The electric power is received only by a particular identification card which is communicating with the remote controller, and is turned off when the communication is completed. The electric power is then supplied to the next identification card which communicates with the remote controller. Thus, all the identification tags sequentially send data thereof one by one to the remote controller. The remote controller includes an indicator that indicates whether the communication with all the identification tags is completed, so that the remote controller can be positioned at a right place until the end of the communication.

REFERENCES:
patent: 5113184 (1992-05-01), Katayama
patent: 5247305 (1993-09-01), Hirata et al.
patent: 5378887 (1995-01-01), Kobayashi
patent: 5471203 (1995-11-01), Sasaki et al.
patent: 5804810 (1998-09-01), Woolley et al.

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