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  2. Genlock - Wikipedia

    en.wikipedia.org/wiki/Genlock

    Genlock (generator locking) is a common technique where the video output of one source (or a specific reference signal from a signal generator) is used to synchronize other picture sources together. The aim in video applications is to ensure the coincidence of signals in time at a combining or switching point.

  3. Voltage-regulator tube - Wikipedia

    en.wikipedia.org/wiki/Voltage-regulator_tube

    Some voltage-regulator tubes contained small amounts of radionuclides to produce a more reliable ionization. [ 1 ] The Corona VR tube is a high-voltage version that is filled with hydrogen at close to atmospheric pressure, and is designed for voltages ranging from 400 V to 30 kV at tens of microamperes.

  4. Closed-circuit television camera - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television...

    These cameras do not require a video capture card because they work using a digital signal which can be saved directly to a computer. The signal is compressed 5:1, but DVD quality can be achieved with more compression (MPEG-2 is standard for DVD-video, and has a higher compression ratio than 5:1, with a slightly lower video quality than 5:1 at best, and is adjustable for the amount of space to ...

  5. Glossary of electrical and electronics engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_electrical_and...

    Any electrical appliance intended for use in a home. homopolar generator A generator in which current and magnetic field direction are constant as the machine rotor revolves. homopolar motor A motor that produces torque from a current and magnetic field that does not change direction. horsepower A unit of power, equivalent to around 746 watts.

  6. Engine–generator - Wikipedia

    en.wikipedia.org/wiki/Engine–generator

    In addition to the engine and generator, engine–generators generally include a fuel supply, a constant engine speed regulator (governor) in diesel and a generator voltage regulator, cooling and exhaust systems, and lubrication system. Units larger than about 1 kW rating often have a battery and electric starter motor; very large units may ...

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  8. Droop speed control - Wikipedia

    en.wikipedia.org/wiki/Droop_speed_control

    Droop speed control is a control mode used for AC electrical power generators, whereby the power output of a generator reduces as the line frequency increases. It is commonly used as the speed control mode of the governor of a prime mover driving a synchronous generator connected to an electrical grid. It works by controlling the rate of power ...

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