ISO/IEC was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 17, Cards and personal identification. ISO/IEC , is an ISO standard for vicinity cards, i.e. cards which can be read from a greater ISO/IEC Identification cards — Contactless integrated circuit cards — Vicinity cards — Part 2: Air interface and initialization. ISO/IEC (E). PDF disclaimer. This PDF file may contain embedded typefaces. In accordance with Adobe’s licensing policy, this file.
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When sufficient power is received by the card, it is able to respond to commands sent from the coupler. Final text received or FDIS registered for formal approval.
Thus both power and bi-directional communications form the air interface between the vicinity card and the coupler. This page was last edited on 22 Novemberat Articles lacking reliable references from April All articles lacking reliable references.
ISO/IEC – Wikipedia
The card responds to the coupler by drawing more or less power from the field and generates one or two sub-carriers of around kHz.
ISO standards by standard number. This article relies too much on references to primary sources.
Life cycle A standard is reviewed every 5 years 00 Preliminary. These are switched on and off to provide Manchester-encoded data that are then detected by the coupler. This allows the card to draw the maximum energy from the field almost continuously.
Frequency-shift keying by switching between a Therefore this version remains current. Views Read Edit View history. List of International Electrotechnical Commission standards. It is the flexibility of the interface to select one or two sub-carriers when communicating from card to iwo, whilst also using slow or fast data rates from the coupler to the card, that allows systems to be tuned to suit different operational requirements ranging from use with high RF noise at short range to low RF noise at long range.
The data frame delimitors are code violations, a start of frame is:.
A logic 0 starts with eight pulses of The card can be carried by members of the public in a purse or wallet and when presented nearby a terminal device give access to places, goods or services. Such cards can normally be read out by a reader without being powered themselves, as the reader will supply the necessary power to the card over the air wireless. Monday to Friday – Proof sent to secretariat or FDIS ballot initiated: Vicinity cards, which have no power source, can be energized at ranges of up to 1 m from a coupler that can only transmit power within the limits permitted by international radio frequency RF regulations.
The data rate can be:. The first byte of the UID should always be 0xE0. April Learn how and when to remove this template message. The coupler sends commands to the card by modulating the powering field and by using a modulation system known as pulse position modulation, whereby the position of a single pulse relative to a known reference point codes the value of a nibble or byte of data. This process of collision detection and selection, also known as anti-collision, is made possible by detecting the unique identification number encoded into every card.
A vicinity card only responds when it receives a valid command uso selects a single card from a possible 15693-22 of cards within range of the coupler.
Air interface and initialization. As the vicinity cards have to operate at a greater distance, the necessary magnetic field is less 0.
Retrieved from ” https: Power is coupled to the vicinity card by an a. Check out our FAQs. The data are sent using a Manchester code. In addition, the card can be attached to objects like bags and valuable items which can then be tracked whilst in the vicinity of a reading device.
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