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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. 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 ...

  5. Presentation technology - Wikipedia

    en.wikipedia.org/wiki/Presentation_technology

    Presentation technology consists of tools used to assist in conveying information during a presentation. [1] When a speaker is verbally addressing an audience, it is often necessary to use supplementary equipment and media to clarify the point. If the audience is large or the speaker is soft-spoken, a public address system may be employed.

  6. Laser projector - Wikipedia

    en.wikipedia.org/wiki/Laser_projector

    A laser projector is a device that projects changing laser beams on a screen to create a moving image for entertainment or professional use. [1] It consists of a housing that contains lasers, mirrors , galvanometer scanners, and other optical components.

  7. Comparison of display technology - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_display...

    TV: Yes DLP front-projection Flat (limited only by brightness) TV or presentation Yes LCoS self-contained rear-projection Flat 110 [13] 279 TV: Yes LCoS front-projection Flat (limited only by brightness) TV or presentation Yes Laser self-contained rear projection Flat lenticular: 75 [14] 191 TV: Yes LED: Flat 279.92 [15] 711 Billboards, TV: Yes ...