Tsis yog, cov hlau nplaum ib txwm yuav tsis rhuav tshem NFC nti lossis nti hauv daim npav rho nyiaj hauv tuam txhab nyiaj.
1. NFC Chip (Contactless Chip)
Ib qho NFC nti ua haujlwm dhau lossib nqus inductionthiab muaj:
a silicon microchip
a coil kav hlau txais xov
Cov khoom no yog hluav taws xob circuits thiab yogtsis cuam tshuam los ntawm static magnetic teblos ntawm ib txwm hlau nplaum.
Hom NFC chips xws li cov raws li NXP NTAG213 lossis NXP MIFARE DESFire yuavtsis raug tshem tawm lossis rhuav tshem los ntawm cov hlau nplaum.
Txhawm rau ua kom puas NFC nti, koj feem ntau xav tau:
muaj zog heev electromagnetic teb
high voltage
lub cev puas tsuaj
kub heev
Cov hlau nplaum fridge lossis hlau nplaum me me yuav tsis ua mob rau nws.
2. Bank Credit Card Chip (EMV Chip)
Lub nti ntawm daim npav rho nyiaj yog ib qhointegrated circuit, ib feem ntawm EMV system.
Zoo li NFC chips, nws yogkhoom-xeev electronics, yog li cov hlau nplaum tsis tshem tawm lossis ua rau nws puas.
3. Magnetic Stripe (Qhov no tuaj yeem raug puas tsuaj)
Cov npav qub hauv txhab nyiaj tseem suav nrog amagnetic stripe.
Cov kab txaij no khaws cov ntaub ntawv siv cov khoom sib nqus me me, uastuaj yeem hloov kho los ntawm cov hlau nplaum muaj zog.
Yog tias cov hlau nplaum muaj zog hloov cov qauv sib nqus:
kab txaij yuav ua tsis tau nyeem
daim npav swiping yuav ua tsis tau
Tab sis qhov notsis cuam tshuam rau nti lossis NFC muaj nuj nqi.
4. Vim li cas tib neeg xav tias Magnets rhuav tshem daim npav
Qhov kev xav tsis zoo no los ntawm lub sijhawm uas feem ntau siv daim npavtsuas yog magnetic stripes.
Cov ntawv niaj hnub no feem ntau muaj peb lub thev naus laus zis:
Sib nqus strip
Chip (EMV)
Contactless NFC
Tsuas yog covmagnetic stripe yog qhov yooj yim rau cov hlau nplaum.
✅ Cov ntsiab lus
| Daim Card Component | Magnet Effect |
|---|---|
| NFC nti | Muaj kev nyab xeeb |
| EMV chip | Muaj kev nyab xeeb |
| RFID kav hlau txais xov | Muaj kev nyab xeeb |
| Sib nqus strip | Yuav puas los ntawm cov hlau nplaum muaj zog |