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  2. File:Block and interlocking signals (IA ...

    en.wikipedia.org/wiki/File:Block_and...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  3. Interlock protocol - Wikipedia

    en.wikipedia.org/wiki/Interlock_protocol

    Of course, Z could choose to not perform the Interlock Protocol with B (opting to instead send his own Mb) but then the session would be between A and Z, not A, Z, and B: Z wouldn't be in the middle. For this reason, the interlock protocol cannot be effectively used to provide authentication, although it can ensure that no third party can ...

  4. Interlocking - Wikipedia

    en.wikipedia.org/wiki/Interlocking

    Railway interlocking is of British origin, where numerous patents were granted. In June 1856, John Saxby received the first patent for interlocking switches and signals. [2] [3]: 23–24 In 1868, Saxby (of Saxby & Farmer) [4] was awarded a patent for what is known today in North America as “preliminary latch locking”.

  5. Computer-based interlocking - Wikipedia

    en.wikipedia.org/wiki/Computer-based_interlocking

    CBIs are mostly implemented in two parts; a section that implements the safety and failsafe requirements, and a second section that implements "non-vital" controls and indications.

  6. Electronic monitoring in the United States - Wikipedia

    en.wikipedia.org/wiki/Electronic_monitoring_in...

    GPS-based tracking system used for some individuals released from prison, jail or immigrant detention. According to a survey distributed by The Pew Charitable Trusts in December 2015, "the number of accused and convicted criminal offenders in the United States who are supervised with ankle monitors and other GPS-system electronic tracking devices rose nearly 140 percent over 10 years ...

  7. Trapped-key interlocking - Wikipedia

    en.wikipedia.org/wiki/Trapped-key_interlocking

    The key can then be used to unlock the kiln door. While the key is removed from the switch interlock, a plunger from the interlock mechanically prevents the power switch from being turned on. Power cannot be re-applied to the kiln until the kiln door is locked, releasing the key, and the key is then returned to the power switch interlock. [5]

  8. File:Domestic Investigations and Operations Guide.pdf

    en.wikipedia.org/wiki/File:Domestic...

    Conversion program: C:\Program Files\ImageMagick-7.0.4-Q16\\index.html: Encrypted: no: Page size: 700 x 903 pts; 700 x 909 pts; 700 x 912 pts; 700 x 940 pts; 700 x 906 pts; 700 x 914 pts; 700 x 921 pts; 700 x 907 pts; 700 x 899 pts; 700 x 920 pts; 700 x 904 pts; 700 x 958 pts; 700 x 915 pts; 700 x 910 pts; 700 x 905 pts; 700 x 901 pts; 700 x ...

  9. Interlock (engineering) - Wikipedia

    en.wikipedia.org/wiki/Interlock_(engineering)

    Trapped key interlock switchgear door. An interlock is a feature that makes the state of two mechanisms or functions mutually dependent. It may consist of any electrical or mechanical devices, or systems. In most applications, an interlock is used to help prevent any damage to the machine or to the operator handling the machine.