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What Is RFID (Radio Frequency Indentification) ? | Areas of Application for RFID


Upload time : 2018-09-14 01:36:37

Category : Technology Related


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- The object of any RFID system is to carry data in suitable transponders, generally known as tags, and to retrieve data, by machine-readable means, at a suitable time and place to satisfy particular application needs. Data within a tag may provide identification for an item in manufacture, goods in transit, a location, the identity of a vehicle, an animal or individual. By including additional data the prospect is provided for supporting applications through item specific information or instructions immediately available on reading the tag. For example, the colour of paint for a car body entering a paint spray area on the production line, the set-up instructions for a flexible manufacturing cell or the manifest to accompany a shipment of goods.

- A system requires, in addition to tags, a means of reading or interrogating the tags and some means of communicating the data to a host computer or information management system. A system will also include a facility for entering or programming data into the tags, if this is not undertaken at source by the manufacturer. Quite often an antenna is distinguished as if it were a separate part of an RFID system. While its importance justifies the attention it must be seen as a feature that is present in both readers and tags, essential for the communication between the two.

To understand and appreciate the capabilities of RFID systems it is necessary to consider their constituent parts. It is also necessary to consider the data flow requirements that influence the choice of systems and the practicalities of communicating across the air interface. By considering the system components and their function within the data flow chain it is possible to grasp most of the important issues that influence the effective application of RFID. However, it is useful to begin by briefly considering the manner in which wireless communication is achieved, as the techniques involved have an important bearing upon the design of the system components.

Areas of Application for RFID

  • Transportation and logistics
  • Manufacturing and Processing
  • Security
  • Time and attendance
  • Animal tagging
  • Waste management
  • Time and attendance
  • Postal tracking
  • Airline baggage reconciliation
  • Road toll management
  • Shoping Mall
  • Library
  • Army
  • Facutry Which Work Is Risky
  • For Temprature
  • Sport time recording
  • Electronic monitoring of offenders at home
  • Vehicle anti-theft systems and car immobiliser

  • What Is Smart Card ? | Use Of Smart Card


    Upload time : 2018-09-14 02:35:08

    Category : Technology Related


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    - Smart card is an equipment that comprise of an embedded integrated circuit chip also known as ICC. This ICC can either be a self-asserting micocontroller or matching intelligence with inbuilt memory or just a memory chip lone. A smart card gets connected to the reader only when its directly physically contacted or with the aid of a remote contactless radio-frequency interlace

    - There are basically two types of smart cards.

    1. Contact Smart Card

    A contact smart card ought to be introduced within a smart card reader with a direct physical union to a conductive contact tray noticed on the surface of the smart card, in general the surface is gold plated. Over this substantial contact points processing of commands, data, and card status takes place.

    2. Contactless Smart Card

    A Contactless smart card as the name suggests it only needs close immediacy with the card reader. The card reader as well as the card has antennae, and both devices communicate with the help of RF (radio frequency) above this contactless link. Some contactless cards also generates power for the inbuilt chip from this electromagnetic field produced. The range of the signals are generally one-half to maximum 3 inches for non-battery powered smart cards, this is perfect for applications like- payment that necessitates an extremely fast card interlace and entry in a building.

    Smart Card Applications

    Some of the most common smart card applications are

    - Credit cards
    - Satellite TV
    - Computer security systems
    - Electronic cash
    - Wireless communication
    - Government identification
    - Loyalty systems (like regular consumer points)
    - Banking


    What is use of 301 response status code? | HTTP 301 | 301 Moved Permanently


    Upload time : 2018-10-17 10:00:24

    Category : Technology Related


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    • It indicates that a resource has been permanently moved to the new location specified by the Location: header.

    • Means the old URL is obsolete and should replace any references to the old URL with the indicated URL.

    • After there direction,the back in your browser won’t reference the initially requested page.

    • As a result of the old page being permanently redirected.

    • 301 status code also indicates to search engines that link equity from the previous URL should be credited to the new one.





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