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  2. Access control - Wikipedia

    en.wikipedia.org/wiki/Access_control

    A sailor checks an identification card (ID) before allowing a vehicle to enter a military installation. In physical security and information security, access control ( AC) is the selective restriction of access to a place or other resource, while access management describes the process. The act of accessing may mean consuming, entering, or ...

  3. Cardkey - Wikipedia

    en.wikipedia.org/wiki/Cardkey

    Cardkey. Cardkey was a producer of electronic access control products and was based in Simi Valley, California. [1] [2] They were the first company to develop and widely distribute "Electronic Access Control Systems". The company's original readers used cards which were made from barium ferrite and worked by magnetically attracting and ...

  4. Wiegand interface - Wikipedia

    en.wikipedia.org/wiki/Wiegand_interface

    Wiegand interface. The Wiegand interface is a de facto wiring standard which arose from the popularity of Wiegand effect card readers in the 1980s. It is commonly used to connect a card swipe mechanism to the rest of an access control system. The sensor in such a system is often a "Wiegand wire", based on the Wiegand effect, discovered by John ...

  5. HID Global - Wikipedia

    en.wikipedia.org/wiki/HID_Global

    HID Global. HID Global is an American manufacturer of secure identity products. The company is an independent brand of Assa Abloy, a Swedish door and access control conglomerate. [2] Björn Lidefelt was appointed CEO on 27 January 2020. He succeeded Stefan Widing, who led HID Global for over four years.

  6. Access badge - Wikipedia

    en.wikipedia.org/wiki/Access_badge

    A private security officer with an access card/ID card. An access badge is a credential used to gain entry to an area having automated access control entry points. Entry points may be doors, turnstiles, parking gates or other barriers. Access badges use various technologies to identify the holder of the badge to an access control system.

  7. Keycard lock - Wikipedia

    en.wikipedia.org/wiki/Keycard_lock

    Access control. In the case of the hotel room lock, there is no central system; the keycard and the lock function in the same tradition as a standard key and lock. However, if the card readers communicate with a central system, it is the system that unlocks the door, not the card reader alone.

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