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  2. Electric strike - Wikipedia

    en.wikipedia.org/wiki/Electric_strike

    Also called fail-open. In this configuration, applying electric current to the strike will cause it to lock. It operates the same as a magnetic lock would. If there is a power failure, the door opens merely by being pushed or pulled. A new trend is a strike that is quickly field-installation reversible from fail safe to fail secure (and back ...

  3. Electromagnetic lock - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_lock

    A "fail safe" magnetic lock requires power to remain locked and typically is not suitable for high security applications, because it is possible to disable the lock by disrupting the power supply. Despite this, by adding a magnetic bond sensor to the lock and by using a power supply that includes a battery backup capability, some specialized ...

  4. Fail-safe - Wikipedia

    en.wikipedia.org/wiki/Fail-safe

    Fail-secure, also called fail-closed, means that access or data will not fall into the wrong hands in a security failure. Sometimes the approaches suggest opposite solutions. For example, if a building catches fire, fail-safe systems would unlock doors to ensure quick escape and allow firefighters inside, while fail-secure would lock doors to ...

  5. Safety-critical system - Wikipedia

    en.wikipedia.org/wiki/Safety-critical_system

    For example, while fail-safe electronic doors unlock during power failures, fail-secure ones will lock, keeping an area secure. Fail-Passive systems continue to operate in the event of a system failure. An example includes an aircraft autopilot. In the event of a failure, the aircraft would remain in a controllable state and allow the pilot to ...

  6. Electronic lock - Wikipedia

    en.wikipedia.org/wiki/Electronic_lock

    Electric locks are sometimes stand-alone with an electronic control assembly mounted directly to the lock. Electric locks may be connected to an access control system, the advantages of which include: key control, where keys can be added and removed without re-keying the lock cylinder; fine access control, where time and place are factors; and ...

  7. Stellantis recalls more than 200,000 vehicles over stability ...

    www.aol.com/stellantis-recalls-more-200-000...

    Car manufacturer Stellantis is recalling 211,581 SUVs and pickup trucks over a software malfunction that could cause their electronic stability control systems to fail.