Invention Grant
US07791489B2 Electronic-ink based RFID tag for attachment to a consumer item and displaying graphical indicia indicating whether or not said consumer items has been read and its integrated RFID module has been activated or deactivated 有权
基于电子墨水的RFID标签,用于附接到消费者物品并显示指示是否已经读取了消费品的图形标记及其集成RFID模块已被激活或停用

Electronic-ink based RFID tag for attachment to a consumer item and displaying graphical indicia indicating whether or not said consumer items has been read and its integrated RFID module has been activated or deactivated
Abstract:
An electronic-ink based RFID tag for attachment to a consumer item and displaying graphical indicia indicating whether or not the item has been read and its integrated RFID module has been activated or deactivated. In response to privacy concerns of consumers, the present invention provides new way of and means for allowing a consumer to readily determine the state of an RFID tag on a consumer item (i.e. activated or deactivated) through the use of a visual indicator integrated with the electronic-ink based RFID tag. The RFID tag has an addressable display label employing a layer of electronic ink, for displaying a first visual indicator when its RFID module has been activated to indicate that the unique identifier associated consumer item has not yet be read, and a second visual indicator when the RFID module has been deactivated to indicate that the unique identifier associated the consumer item has been read.
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