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  2. Twisted nematic field effect - Wikipedia

    en.wikipedia.org/wiki/Twisted_nematic_field_effect

    The introduction of TN-effect displays led to their rapid expansion in the display field, quickly pushing out other common technologies like monolithic LEDs and CRTs for most electronics. By the 1990s, TN-effect LCDs were largely universal in portable electronics, although since then, many applications of LCDs adopted alternatives to the TN ...

  3. Tesla's Egg of Columbus - Wikipedia

    en.wikipedia.org/wiki/Tesla's_Egg_of_Columbus

    "Egg of Columbus" demonstration at the 1893 Columbian Exposition. Tesla's Egg of Columbus was a device exhibited in the Westinghouse Electric display at the 1893 Chicago World's Columbian Exposition to explain the rotating magnetic field that drove the new alternating current induction motors designed by inventor Nikola Tesla by using that magnetic field to spin a copper egg on end.

  4. Nipkow disk - Wikipedia

    en.wikipedia.org/wiki/Nipkow_disk

    One of the advantages of using a Nipkow disk is that the image sensor (that is, the device converting light to electric signals) can be as simple as a single photocell or photodiode, since at each instant only a very small area is visible through the disk (and viewport), and so decomposing an image into lines is done almost by itself with little need for scanline timing, and very high scanline ...

  5. TMEIC - Wikipedia

    en.wikipedia.org/wiki/TMEIC

    TMEIC (株式会社TMEIC, TMEIC Corporation) (/ ˈ t iː m aɪ k / TEE-myke [2]) is a joint venture between Toshiba and Mitsubishi Electric headquartered in Tokyo, Japan, specializing in industrial electric and automation systems for industrial plants. The company develops and produces power electronics apparatus, electric motors, drives, and ...

  6. Cathode-ray tube - Wikipedia

    en.wikipedia.org/wiki/Cathode-ray_tube

    A cathode-ray tube (CRT) is a vacuum tube containing one or more electron guns, which emit electron beams that are manipulated to display images on a phosphorescent screen. [2] The images may represent electrical waveforms on an oscilloscope , a frame of video on an analog television set (TV), digital raster graphics on a computer monitor , or ...

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