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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. [1]
A typical kitchen 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.
An egg timer or kitchen timer is a device whose primary function is to assist in timing during cooking; the name comes from the first timers initially being used for the timing of cooking eggs. Early designs simply counted down for a specific period of time.
A watchdog timer (WDT, or simply a watchdog), sometimes called a computer operating properly timer (COP timer), is an electronic or software timer that is used to detect and recover from computer malfunctions. [1]
The Intel 8253 PIT was the original timing device used on IBM PC compatibles.It used a 1.193182 MHz clock signal (one third of the color burst frequency used by NTSC, one twelfth of the system clock crystal oscillator, [1] therefore one quarter of the 4.77 MHz CPU clock) and contains three timers.
OUT will then remain high until the counter reaches 1, and will go low for one clock pulse. The following cycle, the count is reloaded, OUT goes high again, and the whole process repeats itself. The time between the high pulses depends on the preset count in the counter's register, and is calculated using the following formula:
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 ...
Timekeeping is relevant to many types of games, including video games, tabletop role-playing games, board games, and sports.The passage of time must be handled in a way that players find fair and easy to understand.