| 摘要 |
In one embodiment, at least one information control device manages the content displayed on multiple separate portable, content adjustable personal identification devices. The information control device automatically selects at least one content specification for transmission to any portable, content adjustable personal identification devices moving either into or out of a particular area delimited by a boundary secured by the information control device. The information control device then transmits the selected content specification for detection by portable, content adjustable personal identification devices, wherein the content specification directs display of identification content on each of the portable, content adjustable personal identification devices.
|
