Method of controlling communication in an ID system
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United States of America Patent
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-
May 8, 1990
Grant Date -
N/A
app pub date -
Mar 16, 1988
filing date -
Mar 17, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A memory of a data carrier attached to an article to be identified stores a classification code indicative of the data carrier's own communication protocol. Plural types of communication protocols are registered, in correspondence with the classification codes thereof, in the memory of a controller capable of communicating with the data carrier. Upon receiving a classification code transmitted by the data carrier, the controller selects from its memory a communication protocol indicated by the received classification code and then executes communication with the data carrier by using the selected communication protocol.
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