RFID: When You Don't Even Know It's There
October 25th, 2008
RFID: When You Don’t Even Know It’s There
RFID (Radio Frequency ID) enables wireless data capture and transaction processing. Our last column discussed proximity applications, used primarily for access control. This time, we’ll take a look at what are broadly defined as vicinity, or long-range applications, used for product tracking, inventory control, product authentication, etc.
One of my favorite applications is in libraries. Instead of the traditional librarian checking out a book - older readers will remember the card slipped into a pocket inside the cover, on which you could read previous borrowers’ names hand-written along with the check-out and return dates - or the bar-code system that replaced the cards a generation ago, RFID автомобильный сабвуфер REL technology allows libraries to lend and return books california team building seminar and other media automatically. The authorized borrower - anyone with a library card - can take a book, video, or CD and check it out without taking the librarian’s time (or your own, which in my youth was wasted standing on line every Saturday morning waiting to return last week’s book and check out this week’s choice). When you return it, it’s automatically checked back in.
The central computer processor tracks all double doors exterior loans and кондиционеры Hyundai returns, giving the library real-time knowledge of inventory. It automatically alerts staff to late returns or missing books, saving staff time and improving accuracy in tracking them. And it can disallow a borrower from taking out anything if it shows that other items have not yet been returned, whether to maintain a limit on the number of items a borrower can check out at one time, or because of overdue items still in his or her possession.
Another application, which is having a wide-ranging impact on the garment world, is the incorporation of RFID tags into clothing and accessories. With so much manufacturing having moved overseas during the past
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