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Radio frequency identification (RFID) technology can be traced back to World War II. Counties such as Germany Dave Parker Pirates Jersey , Japan, America, and England all used radar (that had been discovered in 1935 by a physicist named Sir Robert Alexander Watson-Watt) to warn of planes coming nearer while they were still far away. However, they had problems differentiating between their own planes and enemy planes.


The Germans observed that if pilots rolled their planes while returning to base Barry Bonds Pirates Jersey , it would change the radio signal reflected back. This basic method notified a radar team on the ground that these were German planes and not others. This is, in essence, the first passive RFID system. Under Watson-Watt, the British built up the first active "identify friend or foe" (IFF) system. They planted a transmitter on each British plane and when it received signals from radar stations on land Bill Mazeroski Pirates Jersey , it began broadcasting a signal back indicating that the aircraft was friendly. RFID technology uses this same basic idea. A signal is sent to a transponder, which gets activated and then either echoes back a signal (passive system) or broadcasts a signal (active system).


The first U.S. patent for an active RFID tag with rewritable memory was obtained by Mario W. Cardullo on January 23, 1973. In 1973, Charles Walton Melky Cabrera Pirates Jersey , a Californian industrialist, received a patent for a passive transponder that was used to unlock a door without a key. Then Walton licensed the technology to a lock making company called Schlage and to other companies.


The U.S. government had also started working on RFID systems. In the 1970s, the Department of Energy invited Los Alamos National Laboratory to build up a system to track nuclear materials. Then scientists developed the idea of placing a transponder in a truck and readers at gates of secure facilities. A gate antenna activates the transponder in the truck, which would react with an ID and other data Chris Archer Pirates Jersey , such as the driver's ID. Los Alamos also developed a passive RFID tag to track cows on request for the Department of Agriculture.


In the early 1990s, IBM engineers developed and gained exclusive rights to an ultra-high frequency (UHF) RFID system. UHF provided a longer read range (up to 20 feet in good conditions) and quicker data transfer. IBM ran into a financial crisis in the mid-1990s and sold its patents to Intermec, a barcode systems manufacturer. Intermec RFID systems have been mounted in several different appliances related with warehouse tracking, farming Jung-ho Kang Pirates Jersey , and many others.


Getting college scholarship money is not all that difficult if you go about it the right way. There are lots of college students that get scholarship money every year that helps pay for their education, and scholarships are one of the best sources of college funding because they never have to be repaid. Essentially, you are receiving money for free to go to college. So why not try to get as much college scholarship money as you can before resorting to college loans instead?


However, applying for college scholarships requires discipline and organization in order to be successful. In this article we will review some of the common characteristics of those who are most successful in applying for college scholarships.


1. First of all Starling Marte Pirates Jersey , students who are most successful in getting scholarship money are willing to put in the extra time and work necessary in order to get the money that they need. They don't rely on their parents to do all the work for them, and they don't wait till the last minute to try to throw everything together and get it in the mail.


2. It's also important that you don't restrict your search for scholarships to just one or two sources, as no one database has all of the available scholarships listed in it. Quite often, students will simply use a database found on the Internet such as FastWeb Kent Tekulve Pirates Jersey , which is a good place to start. But remember that most likely lots of other students will be accessing the same online databases, making it more difficult to get the listed scholarships. So why not expand your search locally, and find out what scholarships are available in your area that can be much easier to qualify for and receive?


3. Some students fail in their quest for getting scholarship money because they simply don't try for enough scholarships when they apply. You need to think of this as a numbers game, and the more scholarships that you apply for Roberto Clemente Pirates Jersey , the better your chances of getting the money that you need. So don't just apply for one or two scholarships and see what happens. Instead, try to apply for as many as you can comfortably handle at one time.


4. If you apply to several scholarship programs at once, you will need to be well organized to keep it all straight. So make sure that you have a way to track all of the scholarship deadlines and requirements so that you give yourself the best chance possible to receive scholarships by getting your information packets in on time and fulfilling all the required steps outlined in the application.


5. Another very important part of creating a winning scholarship packet is to try to personalize your essay as much as you possibly can. Instead of just reciting dry facts as you would for a term paper, be sure to try to let the scholarship reviewers know as much about who you are as you can in the scholarship essay. Remember this is the only way that they will get to know you Willie Stargell Pirates Jersey , and quite often your personal story can have a large impact on whether or not you are awarded a scholarship.


6. Finally, be sure to avoid all scholarship scams that promise to do all the work for you, or ask for some sort of payment in advance of receiving the scholarship. These scams are just ways to cheat students out of their hard earned money.


Every dollar that you receive from college scholarship money will be a dollar that you do not have to repay as a loan with interest later on in your life. That makes college . Wholesale Jerseys Wholesale Jerseys Wholesale Jerseys Online Wholesale Jerseys From China Wholesale Hoodie Wholesale Nike NFL Jerseys Wholesale Hoodie Cheap NBA Hoodie Wholesale Hats Wholesale Soccer Jerseys Free Shipping