发明名称 Radio-type transmitting device, container, transmitting/receiving system and transmitting/receiving method
摘要 A radio-type transmitting device capable of transmitting information other than information in an internal memory is provided. A RFID tag includes a encoding circuit for digitalizing receiving sensitivity of a radio wave sent from an external transmitting/receiving apparatus and then sending the digitalized receiving sensitivity to the external transmitting/receiving apparatus. Thus, the external transmitting/receiving apparatus can obtain a distance between the external transmitting/receiving apparatus and the RFID tag based on received sensitivity information.
申请公布号 US7821410(B2) 申请公布日期 2010.10.26
申请号 US20060478845 申请日期 2006.07.03
申请人 PANASONIC CORPORATION 发明人 HIGASHIONJI MASARU;HASEGAWA KENJI;ODAGIRI MASARU;SHIMOTASHIRO MASAFUMI;SEKI HIROSHI
分类号 G08B21/00 主分类号 G08B21/00
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