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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. List of Logitech products - Wikipedia

    en.wikipedia.org/wiki/List_of_Logitech_products

    Wireless Presenter R400 2007 5: No: Yes: RF 2.4 GHz 2×AAA [70] Wireless Presenter R700 2007 5: LCD: Yes: RF 2.4 GHz 2×AAA [71] Wireless Presenter R800 2007 5: LCD: Yes: RF 2.4 GHz 2×AAA [72] Logitech Spotlight R-R0011 2017 3: No: No: Bluetooth Rechargeable Lithium Polymer, 85mAh Touch sensitive field, also works as a mouse. Custom Logitech ...

  4. Logitech - Wikipedia

    en.wikipedia.org/wiki/Logitech

    Logitech International S.A. (/ ˈ l ɒ dʒ ɪ t ɛ k / LOJ-i-tek) is a Swiss multinational manufacturer of computer peripherals and software.Headquartered in Lausanne, Switzerland, and San Jose, California, [2] the company has offices throughout Europe, Asia, Oceania, and the Americas, and is one of the world's leading manufacturers of input and interface devices for personal computers (PCs ...

  5. Laser pointer - Wikipedia

    en.wikipedia.org/wiki/Laser_pointer

    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.

  6. Lyrion Music Server - Wikipedia

    en.wikipedia.org/wiki/Lyrion_Music_Server

    Lyrion Music Server (formerly Logitech Media Server, SlimServer, SqueezeCenter and Squeezebox Server) is a streaming audio server supported by the LMS community and formerly supported by Logitech, developed in particular to support their Squeezebox range of digital audio receivers.

  7. Optical mouse - Wikipedia

    en.wikipedia.org/wiki/Optical_mouse

    An early Xerox optical mouse chip, before the development of the inverted packaging design of Williams and Cherry. The first two optical mice, first demonstrated by two independent inventors in December 1980, had different basic designs: [1] [2] [3] One of these, invented by Steve Kirsch of MIT and Mouse Systems Corporation, [4] [5] used an infrared LED and a four-quadrant infrared sensor to ...

  8. Laser safety - Wikipedia

    en.wikipedia.org/wiki/Laser_safety

    A laser warning symbol. Laser radiation safety is the safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to permanent eye injuries, the sale and usage of lasers is typically subject to government regulations.

  9. Laser sight - Wikipedia

    en.wikipedia.org/wiki/Laser_sight

    Singaporean soldier aiming a SAR 21 with laser sight. A laser sight is a device attached or integral to a firearm to aid target acquisition. Unlike optical and iron sights where the user looks through the device to aim at the target, laser sights project a beam onto the target, providing a visual reference point.