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  2. Wireless clicker - Wikipedia

    en.wikipedia.org/wiki/Wireless_clicker

    A speaker giving a presentation with an RF pointer in his left hand. Using a wireless clicker, helps the presenter to move freely, instead of being obliged to stay next to the computer, can get closer and keep in touch with the audience, watching the presentation together with them, being able to use the built-in laser pointer, in order to emphasize specific points in the dialogue with the ...

  3. Laser pointer - Wikipedia

    en.wikipedia.org/wiki/Laser_pointer

    Red (635 nm), blueish violet (445 nm), and green (520 nm) laser pointers. A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot.

  4. Laser - Wikipedia

    en.wikipedia.org/wiki/Laser

    Low to medium power laser diodes are used in laser pointers, laser printers and CD/DVD players. Laser diodes are also frequently used to optically pump other lasers with high efficiency. The highest-power industrial laser diodes, with power of up to 20 kW, are used in industry for cutting and welding. [ 75 ]

  5. Handheld projector - Wikipedia

    en.wikipedia.org/wiki/Handheld_projector

    Combining a pico projector with a webcam, a laser pointer, and image processing software enables full control of any computing system via the laser pointer. Pointer on/off actions, motion patterns (e.g., dwell, repetitive visit, circles, etc.) and more can all be mapped to events which generate standard mouse or keyboard events, or user ...

  6. List of laser types - Wikipedia

    en.wikipedia.org/wiki/List_of_laser_types

    Also used pulsed for marking and micromachining. A frequency doubled nd:YVO 4 laser is also the normal way of making a green laser pointer. Neodymium-doped yttrium calcium oxoborate Nd:Y Ca 4 O(BO 3) 3 or simply Nd:YCOB ~1.060 μm (~530 nm at second harmonic) laser diode

  7. LOMAK - Wikipedia

    en.wikipedia.org/wiki/LOMAK

    Lomak keyboards being used with a head-pointer and a hand-pointer. LOMAK is an acronym for Light Operated Mouse And Keyboard.It is an assistive technology device designed for use by people who cannot use a standard computer keyboard and mouse.

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