Radio-tag reading system, radio-tag reader, and radio tag

Details Radio-tag reading system, radio-tag reader, and radio tag Radio-tag reading system, radio-tag reader, and radio tag

2011-02-15

2011-02-15

Lee, Benjamin C (Department: 2612)

Communications: electrical

Selective

Interrogation response

C340S010500, C340S010510

Reexamination Certificate

active

07889058

ABSTRACT:
The radio-tag reading system includes a radio-tag reader and a radio tag storing therein radio tag information. In the radio-tag reader, a radio-tag detection processor transmits via the communication unit a search signal at a predetermined time interval, and detects that the radio tag enters into the communication area of the communication unit based on a response signal to the search signal. A radio-tag information communication processor reads the radio tag information from the radio tag upon receiving the response signal from the radio tag. In the radio tag, a response processor transmits, upon receiving a signal from the radio-tag reader, a response signal in response to the signal.

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