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  2. Silicon controlled rectifier - Wikipedia

    en.wikipedia.org/wiki/Silicon_controlled_rectifier

    There are two ways to turn it off: Reduce the current through it below a minimum value called the holding current, or With the gate turned off , short-circuit the anode and cathode momentarily with a push-button switch or transistor across the junction.

  3. Glossary of North American railway terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_North_American...

    Turn off generator field (or notify the ground employee, depending on company-specific rules and locomotive type, that protection is provided). [1] [2] 10 wheeler (US) The 10-wheeler wheel arrangement A steam locomotive with a 4-6-0 wheel arrangement [3] 241 (US) Procession of a train past a stop signal with verbal permission from the ...

  4. Engine order telegraph - Wikipedia

    en.wikipedia.org/wiki/Engine_order_telegraph

    An engine order telegraph or E.O.T., also referred to as a Chadburn, [1] is a communications device used on a ship (or submarine) for the pilot on the bridge to order engineers in the engine room to power the vessel at a certain desired speed.

  5. Line code - Wikipedia

    en.wikipedia.org/wiki/Line_code

    the line-coded signal can be used to turn on and off a light source in free-space optical communication, most commonly used in an infrared remote control. the line-coded signal can be printed on paper to create a bar code. the line-coded signal can be converted to magnetized spots on a hard drive or tape drive.

  6. Bridge circuit - Wikipedia

    en.wikipedia.org/wiki/Bridge_circuit

    A bridge circuit is a topology of electrical circuitry in which two circuit branches (usually in parallel with each other) are "bridged" by a third branch connected between the first two branches at some intermediate point along them. The bridge was originally developed for laboratory measurement purposes and one of the intermediate bridging ...

  7. Glossary of rail transport terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_rail_transport...

    Rail transport terms are a form of technical terminology applied to railways. Although many terms are uniform across different nations and companies, they are by no means universal, with differences often originating from parallel development of rail transport systems in different parts of the world, and in the national origins of the engineers and managers who built the inaugural rail ...

  8. Diode bridge - Wikipedia

    en.wikipedia.org/wiki/Diode_bridge

    This is an accepted version of this page This is the latest accepted revision, reviewed on 8 October 2024. Circuit arrangement of four diodes Diode bridge Diode bridge in various packages Type Semiconductor Inventor Karol Pollak in 1895 Electronic symbol 2 alternating-current (AC) inputs converted into 2 direct-current (DC) outputs A hand-made diode bridge. The silver band on the diodes ...

  9. Bridging - Wikipedia

    en.wikipedia.org/wiki/Bridging

    Bridge (exercise) In grappling, the technique of pushing the hips upwards to offbalance a top opponent, for instance by trying to escape the mount. Supporting the cue stick near its tip for a shot in billiards either by hand or sometimes with the help of a mechanical bridge. A climbing technique, used for climbing corners.