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Radio frequency identification

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Information about Radio frequency identification
Education

Published on March 5, 2014

Author: mustahidali90

Source: slideshare.net

Description

Radio frequency identification, rfid
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RADIO FREQUENCY IDENTIFICATION Presented By:Mustahid Ali ECE 4th Year

PRESENTATION OUTLINE To Educate and Inform You 1. About RFID system. 2. Key Components. 3. How does RFID works? 4. Applications. 5. Disadvantages. 6. Future aspects. 7. Conclusion.

BRIEF HISTORY •Invented and used from (Early 1940’s). •Commercial Operation begun from 1960’s. •In 1970s developers, inventors, companies, academic institution and government sectors had actively worked on RFID .

WHAT IS RFID SYSTEM ? RFID (Radio Frequency Identifier) data collection system using RF waves for Identifying, Tracking .

KEY COMPONENTS • TAGS • READER • COMPUTER

1. TAGS

2. READER •A compact and light weight hand held device. •Comfortable to use. •High storage capacity. •Multi Functional (such as sorting, searching, and reading).

3.COMPUTER & SOFTWARE INFRASTRUCTURE •Provide reader connectivity to other systems on the network. •Translate data and transmit to its other application.

HOW DOES RFID WORKS ?

APPLICATIONS

HUMAN TRACKING ANIMAL TRACKING

IN LIBRARY

INVENTORY MANEGMENT

DISADVANGES • Does not penetrate or transmit around metals(iron ,steel). •Large antennas compared to higher frequencies. •Reader collision occurs when the signals from two or more readers overlap. The tag is unable to respond to simultaneous queries. •Active RFID tags can be repeatedly interrogated to wear the battery down, disrupting the system.

FUTURE ASPECT 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 current data picked up by the sensor.

CONCLUSION RFID technology is taking off in different areas. Due to its customizable feature and continuing improvement the communities are beginning to get involved in its development. It is easy to envision that, the RFID tags contents will increase in power, prices are expected to decline and tag will dramatically improve its efficiency, security and accuracy.

RFID IS A SUPPORTING TECHNOLOGY………………. NOT A COMPETING !!!!!!!! THANK YOU…………

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