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  2. Transmission (mechanical device) - Wikipedia

    en.wikipedia.org/wiki/Transmission_(mechanical...

    Transmission internals for a 2009 Volkswagen Golf. A transmission (also called a gearbox) is a mechanical device which uses a gear set—two or more gears working together—to change the speed, direction of rotation, or torque multiplication/reduction in a machine.

  3. Automatic transmission - Wikipedia

    en.wikipedia.org/wiki/Automatic_transmission

    3: Restricts the transmission to the lowest three gear ratios. In a 4-speed automatic transmission, this is often used to prevent the car shifting into the overdrive ratio. In some cars, [which?] the position labelled "D" performs this function, while another position labelled "OD" or a boxed "[D]" allows all gears to be used.

  4. Drivetrain - Wikipedia

    en.wikipedia.org/wiki/Drivetrain

    The powertrain consists of the prime mover (e.g. an internal combustion engine and/or one or more traction motors) and the drivetrain - all of the components that convert the prime mover's power into movement of the vehicle (e.g. the transmission, driveshafts, differential and axles); [4] [5] whereas the drivetrain does not include the power ...

  5. Transmission medium - Wikipedia

    en.wikipedia.org/wiki/Transmission_medium

    A transmission medium is a system or substance that can mediate the propagation of signals for the purposes of telecommunication. Signals are typically imposed on a wave of some kind suitable for the chosen medium.

  6. Telecommunications - Wikipedia

    en.wikipedia.org/wiki/Telecommunications

    The transmission electronics and the receiver electronics within a transceiver are quite independent of one another. This can be explained by the fact that radio transmitters contain power amplifiers that operate with electrical powers measured in watts or kilowatts, but radio receivers deal with radio powers measured in microwatts or nanowatts .

  7. Glossary of mechanical engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mechanical...

    Clutch – a mechanical device which engages and disengages power transmission especially from driving shaft to driven shaft. CNC – (CNC)), the automated control of machining tools (drills, boring tools, lathes) by means of a computer. An NC machine alters a blank piece of material (metal, plastic, wood, ceramic, or composite) to meet precise ...

  8. Glossary of broadcasting terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_broadcasting_terms

    Also AM radio or AM. Used interchangeably with kilohertz (kHz) and medium wave. A modulation technique used in electronic communication where the amplitude (signal strength) of the wave is varied in proportion to that of the message signal. Developed in the early 1900s, this technique is most commonly used for transmitting an audio signal via a radio wave measured in kilohertz (kHz). See AM ...

  9. Transmission - Wikipedia

    en.wikipedia.org/wiki/Transmission

    "Transmission", a mashup by Neil Cicierega from Mouth Silence, 2014 "Transmissions", a song by the American band Bright from The Albatross Guest House , 1997 "Transmissions', a song by the Irish band God Is an Astronaut from Origins , 2013