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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|