发明名称 Opto-electronic tag having an internal time base
摘要 The invention relates to a read or read-write label of an optical nature comprising a nonvolatile memory with its control circuit, a control or checking circuit for the charge of a buffer capacitor and a sequence generator making it possible to supply to the outside optical signal sequences in harmony with the states of the different circuits and analyze the optical signals coming from the outside.
申请公布号 US6299068(B1) 申请公布日期 2001.10.09
申请号 US19970849544 申请日期 1997.06.10
申请人 VALTAC, ALEX BEAUD 发明人 BERNEY JEAN CLAUDE
分类号 G06K19/07;(IPC1-7):G06K19/00 主分类号 G06K19/07
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