How is it realized that the two sessions use a 3-meter long-distance credit card?

  • Writer
    Denis Zhang
  • Revealed
    January 9, 2021
  • Phrase rely
    499

This yr, the deputies and members of the 2 classes signed in by long-distance card swiping. When the deputies and committee members walked into the center of the check-in machine much like the safety gate, the assembly card in entrance of their chest instantly despatched out a way, and the display screen beside them would show the names, images, real-time attendance statistics and different info of the consultant committee members. In my view, this ought to be a comparatively superior channel induction check-in machine. This type of check-in machine can learn playing cards within the vary of 1-3 meters, and the pace of swiping playing cards is extraordinarily quick, and the variety of playing cards learn by the machine may even attain greater than 50 per second, which drastically improves the pace of getting into the venue. Previously, when the 2 classes signed in and swiped the cardboard, it was needed to place the cardboard just a few centimeters near the cardboard reader to sense it. Now, the studying distance may be so far as tens of centimeters and even a number of meters. How can card sensing be realized at such an extended distance?

The working mechanism of this distant sensing card ought to be like this. There’s a 64-bit quantity in every IC inductive card. When the IC inductive card is current inside the 3-meter readout vary of the cardboard reader, the inductive card is activated by the electromagnetic inquiry sign emitted by the cardboard reader, thus suggestions to the cardboard reader a response sign carrying the inductive card quantity, and to inquire and reply via the sign between the inductive card and the reader. The cardboard reader can determine the quantity carried within the induction card and output the sensor card quantity to the pc, exterior controller or different terminal system in response to a sure output format, in order to difficulty information that permit passage and passage. or difficulty directions that aren’t allowed to cross. In reality, it makes use of automated identification expertise, pc community expertise and projection expertise to type an built-in system for automated registration of conferences. To comprehend long-distance card swiping via this registration system, after all, the data of the deputies and committee members ought to be recorded upfront. The badge worn by the deputies and committee members is each a gathering card and an induction card, which not solely information the data of the deputies and committee members, but additionally leaves corresponding info when getting into and leaving some venues.

The playing cards recognized by this long-distance check-in machine typically don’t want a selected route and may be positioned wherever on the particular person, in a pocket or in a handbag, and don’t should be taken out. Furthermore, this type of card swiping machine can even have a number of channels, and the close by card readers can learn the data precisely, and the check-in procedures may be accomplished with out taking out the cardboard, which has drastically improved the pace of the representatives of the 2 classes to enter the venue.

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