Combining communication means and tracking to enhance services variety and quality.
Original Publication Date: 2003-Jul-31
Included in the Prior Art Database: 2003-Jul-31
One of the problems posed for the use wireless payment systems is the difficulty in distinguishing between several active wireless devices carried by people who are packed very close to each other. This is the packing problem. We solve the problem by combining a wireless technology (e.g. Bluetooth or 802.11b) with another technology which provides an alternate means for automated observation, infrared or visible wavelength cameras for example.