Back channel See reverse channel. Backscatter A method of communication between passive tags (ones that do not use batteries to broadcast a signal) and readers. RFID tags using backscatter technology reflect back to the reader radio waves from a reader, usually at the same carrier frequency. The reflected signal is modulated to transmit data.
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Accelerometer A device that measures acceleration (the rate of change of velocity). An accelerometer inherently measures its own motion (locomotion), as opposed to a device based on remote sensing. Active
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One of the main concerns with RFID tags is that their contents can be read by anyone with an appropriately equipped scanner - even after you take it out of the store.One technology that has been sugge
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VeriChip RFID Tags To Be Implanted In PatientsElectronic Number Plate RFID Keeps Tabs On VehiclesRFID-Maki: Easy Payment SushiSprint RFID Loyalty Cards Triggers Minority Report-Style AdsChina May Issu
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Some vendors have been combining RFID tags with sensors of different kinds. This would allow the tag to report not simply the same information over and over, but identifying information along with cur
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Civil liberties groups (among others) have become increasingly concerned about the use of RFIDs to track the movements of individuals. For example, passports will soon be required to contain some sort
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Unfortunately, not very often in the systems to which consumers are likely to be exposed. Anyone with an appropriately equipped scanner and close access to the RFID device can activate it and read its
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RFID tags come in a wide variety of shapes and sizes; they may be encased in a variety of materials:Animal tracking tags, inserted beneath the skin, can be rice-sized.Tags can be screw-shaped to ident
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