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  2. Projection keyboard - Wikipedia

    en.wikipedia.org/wiki/Projection_keyboard

    Software determines the action or character to be generated. The projection is realized in four main steps and via three modules: projection module, sensor module and illumination module. The main devices and technologies used to project the image are a diffractive optical element, red laser diode, CMOS sensor chip and an infrared (IR) laser diode.

  3. Slotted optical switch - Wikipedia

    en.wikipedia.org/wiki/Slotted_optical_switch

    The slotted optical switch, sometimes known as opto switch or optical switch but not to be confused with the optical component, is a device comprising a photoemitter (e.g. LED) and a photodetector (e.g. photodiode) mounted in a single package so that the photoemitter normally illuminates the photodetector, but an opaque object can be inserted in a slot between them so as to break the beam.

  4. List of Logitech products - Wikipedia

    en.wikipedia.org/wiki/List_of_Logitech_products

    Optical Mouse 2000: 3: Yes: ... Free Spinning (toggled by software ... Free Spinning (toggled by mechanical switch) Optical: 1000: Unifying / Bluetooth 4.0:

  5. Tesseract (software) - Wikipedia

    en.wikipedia.org/wiki/Tesseract_(software)

    Tesseract is an optical character recognition engine for various operating systems. [5] It is free software, released under the Apache License. [1] [6] [7] Originally developed by Hewlett-Packard as proprietary software in the 1980s, it was released as open source in 2005 and development was sponsored by Google in 2006.

  6. Keyboard technology - Wikipedia

    en.wikipedia.org/wiki/Keyboard_technology

    Pause software reminds the user to pause frequently. Switching to a much more ergonomic mouse, such as a vertical mouse or joystick mouse may provide relief. By using a touchpad or a stylus pen with a graphic tablet, in place of a mouse, one can lessen the repetitive strain on the arms and hands. [22]

  7. Synergy (software) - Wikipedia

    en.wikipedia.org/wiki/Synergy_(software)

    Synergy is a software application for sharing a keyboard and mouse between multiple computers. It is used in situations where several PCs are used together, with a monitor connected to each, but are to be controlled by one user. The user needs only one keyboard and mouse on the desk—similar to a KVM switch without the video.

  8. Virtual piano - Wikipedia

    en.wikipedia.org/wiki/Virtual_piano

    The virtual piano is played using a keyboard and/or mouse and typically comes with many features found on a digital piano. Virtual player piano software can simultaneously play MIDI / score music files, highlight the piano keys corresponding to the notes and highlight the sheet music notes.

  9. Jean-Daniel Nicoud - Wikipedia

    en.wikipedia.org/wiki/Jean-Daniel_Nicoud

    Jean-Daniel Nicoud (born 31 August 1938), is a Swiss computer scientist, noted for inventing a computer mouse with an optical encoder and the CALM (Common Assembly Language for microprocessors). [1] He obtained a degree in physics at the École Polytechnique Fédérale de Lausanne (EPFL) in 1963. Around 1965, he became interested in logical ...