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Tips For Buying Used Treadmills Smart
Treadmills are expensive, but you can save a few bucks by picking up a used one. There is a lot that can go wrong with a used treadmill, so make sure you know what you're getting before Read more...

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Consumer Electronics
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Introduction:The daily use of electronic equipments are known as consumer electronics and includes TV, telephone, DVD, CD, PC, laptop etc. These equipments are manufactured throughout the Read more...

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Radio Frequency Identification System
By Tom Desousa
RFID stands for Radio Frequency Identification. RFID is the technology for automatic identification. In this technology method data should be remotely retriveted through remote devices called RFID tags. RFID tags also known as transponders, these transponders are like chips which are attached or inserted in some product, person or animal. Through radio waves these chips ot tags easily identified. Transponders are generally made of siliocon chips attached with an antennas.

RFID tags or transducers are also known as proxy or proximity cards. RFID tags comes in three varieties: Active tag, passive tag, and semi passive tag. The active RFID system requires power but passive rfid requires no power source. RFID tag chips information and instruction are stored and that can be used to read from radio waves. Radio waves can read information from up to 90 feet from chip.

Initially RFID solution was used to identifying dogs for the purpose of permanent identification number. Now days RFID system used in almost every field like medicine, shipping, automobiles, devices, library, musical instruments etc.

The major purpose of RFID technology is to transfer data or information through mobile devicies. These mobile devices are chips and there is a RFID reader which reads and process information according to the application.

A typical RFID technology system embedded with a inexpensive tag which consist of transponder having digital memory chip. This tag have a unique product code. The RFID transceiver consist of an antenna, an interrogator and a decoder. The transceiver emits a signal or radio waves which activate RFID tag and information should be read or write in memory chip. When a RFID tag passes

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