including using a low-bandwidth RF signal. This permits tracking with standard RF equipment, such as Wi-Fi routers, rather than having to change RF systems, or add complex or expensive radar systems.
In addition, the UE 302 includes a user interface 346 providing means for providing indications (e.g., audible and/or visual indications) to a user and/or for receiving user input (e.g., upon user actuation of a sensing device such a keypad, a touch screen, a microphone, and so on)...
Radio frequency identification (RFID) devices have been used in systems for tracking persons, animals, and objects of a wide variety including for example airline baggage, inventory, and the mail. When a large number of objects to be tracked are located in a common area, it may be desirable...
Another object of the present invention is to provide such as system, wherein if the hand-supportable scanning device is located out-side of the predetermined 2-way RF communication range, then an audible and/or visual indicator is generated and packaged symbol character data is automatically ...