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  2. Photo-lab timer - Wikipedia

    en.wikipedia.org/wiki/Photo-lab_timer

    Photo-lab timer. A photo-lab timer, photo interval timer, or darkroom timer is a timer used in photography for timing the process of projecting negatives to photosensitive paper with an enlarger, making photographic prints of them at any scale. It is a device which is attached to the photo lab enlarger to ensure that the duration of photo ...

  3. Time switch - Wikipedia

    en.wikipedia.org/wiki/Time_switch

    A time switch (also called a timer switch, or simply timer) is a device that operates an electric switch controlled by a timer. Intermatic introduced its first time switch in 1945, which was used for "electric signs, store window lighting, apartment hall lights, stokers, and oil and gas burners." A consumer version was added in 1952.

  4. GE 645 - Wikipedia

    en.wikipedia.org/wiki/GE_645

    The GE 645 mainframe computer was a development of the GE 635 for use in the Multics project. This was the first computer that implemented a configurable hardware protected memory system. It was designed to satisfy the requirements of Project MAC to develop a platform that would host their proposed next generation time-sharing operating system ...

  5. Timer - Wikipedia

    en.wikipedia.org/wiki/Timer

    A timer or countdown timer is a type of clock that starts from a specified time duration and stops upon reaching 00:00. An example of a simple timer is an hourglass. Commonly, a timer triggers an alarm when it ends. A timer can be implemented through hardware or software. Stopwatches operate in the opposite direction, upwards from 00:00 ...

  6. General Electric - Wikipedia

    en.wikipedia.org/wiki/General_Electric

    General Electric Company. General Electric Company (GE) was an American multinational conglomerate founded in 1892, incorporated in the state of New York and headquartered in Boston. The company had several divisions, including aerospace, energy, healthcare, and finance. [7][8][9][10] In 2020, GE ranked among the Fortune 500 as the 33rd largest ...

  7. Watchdog timer - Wikipedia

    en.wikipedia.org/wiki/Watchdog_timer

    Watchdog timers are also used to monitor and limit software execution time on a normally functioning computer. For example, a watchdog timer may be used when running untrusted code in a sandbox, to limit the CPU time available to the code and thus prevent some types of denial-of-service attacks. [2] In real-time operating systems, a watchdog ...

  8. GE Digital - Wikipedia

    en.wikipedia.org/wiki/GE_Digital

    GE Digital. GE Digital is a subsidiary of American energy conglomerate GE Vernova. Headquartered in San Ramon, California, the company provides software and industrial internet of things (IIoT) services to industrial companies. GE Digital's primary focus is to provide industrial software and services in four markets:

  9. Self-timer - Wikipedia

    en.wikipedia.org/wiki/Self-timer

    A manual self-timer, 2011. A manual self-timer mounted on a film camera, 2011. A self-timer drive mode button on a Canon digital camera, 2008. Robert Faries: Shutter tripper for Camera's, US Patent 690,939, January 14, 1902. A self-timer is a device on a camera that gives a delay between pressing the shutter release and the shutter's firing. It ...