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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These are switched on and off to provide Manchester-encoded data that are then detected by the coupler. This page was last edited on 22 Novemberat Frequency-shift keying by switching between a 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. Proof sent to secretariat or FDIS ballot initiated: Air interface and initialization.
Please improve this by adding secondary or tertiary sources. 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/IEC – Wikipedia
The coupler sends commands to the card 1693-2 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 isso value of a nibble or byte of data. When sufficient power is received by the card, it is able to respond to commands sent from the coupler. The data are sent using a Manchester code.
Retrieved from ” https: 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. This allows the card to draw the maximum energy from the field almost continuously. From Wikipedia, the free encyclopedia. Monday to Friday – Final text received or FDIS registered for formal approval. Views Read Edit View history. April Learn how and when to remove this template message.
List of Lso Electrotechnical Commission standards. The data rate can be:. It is the flexibility of the interface to select one or two sub-carriers when communicating from card to coupler, whilst also using slow or fast data rates from the coupler to the card, that allows 51693-2 to be tuned to suit different operational requirements ranging from use with high RF noise at short range to low RF noise uso long range.
Power is coupled to the vicinity card by an a. This article relies too much on references to primary sources. Thus both power and bi-directional communications form the air interface between the vicinity card and the oso.
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ISO standards by standard number. As the vicinity cards have to operate at a greater distance, the necessary magnetic field is less 0.
The first byte of the UID should always be 0xE0. 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.
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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. Therefore this version remains current.
The data frame delimitors are code violations, a start of frame is:. A vicinity card only responds when it receives a valid command that selects a single card from a possible collection of cards within range of the coupler.
In addition, the card can be attached to objects like bags and valuable items which izo then be tracked whilst in the vicinity of a reading device.