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Near Field Communication

In: Computers and Technology

Submitted By lcomrahul
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NEAR FIELD COMMUNICATION
Near Field Communication is an immerging technology in the field of wireless industry. NFC technology can be used in billing counters, buses, or sharing information to friends. It can be used by swapping the smart phone over NFC enabled device such as a NFC tag which has information stored in it. For example instead of swiping credit card in the card reader at any shop we can just simply take out phone from our pocket and wave it over the NFC enabled reader and credit card information will be transferred to the bank. HISTORY OF NFC
NFC is not an innovation basically but an advance version of other short range wireless technologies like RFID. NFC forum was created to define the standards of NFC and facilitate it for further growth. NFC forum was founded in year 2004 in collaboration by Sony, Nokia and Philips. It define some standards which has to be followed by the NFC enabled devices and smartphones. The forum also ensures the inter compatibility of the NFC devices, which means that any NFC device can communicate with any other NFC device which provides a simple and fast way to transfer data and therefore it doesn’t restrict users to a few devices. Currently some companies have started using NFC technology such as Google and PayPal and this will encourage users to try this new technology. NFC is focusing on United States and is ready to establish itself as simple, contactless payment system. HOW IT WORKS
NFC work on the basic theory of RFID tags. It uses a loosely coupled inductive circuit to exchange power and data over a short distance. Radio waves are used to send signals between devices which are kept within the distance of 4cm from each other. A smartphone will send out a signal to a NFC tag installed inside a movie

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