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2. Radio-frequency identification - Wikipedia

   en.wikipedia.org/wiki/Radio-frequency_identification

   The initial device was passive, powered by the interrogating signal, and was demonstrated in 1971 to the New York Port Authority and other potential users. It consisted of a transponder with 16 bit memory for use as a toll device. The basic Cardullo patent covers the use of radio frequency (RF), sound and light as transmission carriers.

3. Wireless identification and sensing platform - Wikipedia

   en.wikipedia.org/wiki/Wireless_Identification...

   A wireless identification and sensing platform (WISP) is an RFID (radio-frequency identification) device that supports sensing and computing: a microcontroller powered by radio-frequency energy. [1] That is, like a passive RFID tag, WISP is powered and read by a standard off-the-shelf RFID reader, harvesting the power it uses from the reader's ...

4. Microchip implant (human) - Wikipedia

   en.wikipedia.org/wiki/Microchip_implant_(human)

   In June 2007, the American Medical Association declared that "implantable radio frequency identification (RFID) devices may help to identify patients, thereby improving the safety and efficiency of patient care, and may be used to enable secure access to patient clinical information", [54] but in the same year, news reports linking similar ...

5. Transponder - Wikipedia

   en.wikipedia.org/wiki/Transponder

   Non-multiplexed radio stations can also travel in single channel per carrier (SCPC) mode, with multiple carriers (analog or digital) per transponder. This allows each station to transmit directly to the satellite, rather than paying for a whole transponder, or using landlines to send it to an earth station for multiplexing with other stations.

6. Category:Radio-frequency identification - Wikipedia

   en.wikipedia.org/wiki/Category:Radio-frequency...

   Radio-frequency identification companies (21 P) Pages in category "Radio-frequency identification" The following 124 pages are in this category, out of 124 total.

7. HID Global - Wikipedia

   en.wikipedia.org/wiki/HID_Global

   Originally formed to develop radio frequency identification technologies, HID Global was formed in 1991 as Hughes Identification Devices, a subsidiary of Hughes Aircraft Company with offices in California and Scotland.