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The QR code system was invented in 1994, at the Denso Wave automotive products company, in Japan. [6] [7] [8] The initial alternating-square design presented by the team of researchers, headed by Masahiro Hara, was influenced by the black counters and the white counters played on a Go board; [9] the pattern of the position detection markers was determined by finding the least-used sequence of ...
All cards have QR, PDF417, and Code 128 barcodes. The QR Code holds all printed (on the front of the card) text information about the card holder, while the PDF417 barcode holds, in JPEG format encoded with Base64, an image of the fingerprint of the left index finger of the card holder.
PDF417 is the standard selected by the Department of Homeland Security as the machine readable zone technology for RealID compliant driver licenses and state issued identification cards. PDF417 barcodes are also included on visas and border crossing cards issued by the State of Israel ( example ).
Identification with a digital card is usually done in several ways: Displaying a QR code on the customer's smartphone to the identifying host (a cashier i.e.). The unique QR code ensures privacy for every customer. Engaging an NFC protocol connection by placing the smartphone near the NFC Reader (using host card emulation method).
MeCard is a data file similar to vCard but used by NTT DoCoMo in Japan in QR code format for use with Cellular Phones. It is largely compatible with most QR-readers for smartphones. It is an easy way to share a contact with the most used fields. Usually, devices can recognize it and treat it like a contact ready to import.
The current ID card is an ID-1 (credit card size) plastic card with an embedded RFID chip to store bearer's name, gender, date and place of birth, and a digital image of their face, ten fingerprints, palmprints, an electronic signature in a JPEG2000 format, and a 2.86 megabyte optical stripe.
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