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  2. Lenslok - Wikipedia

    en.wikipedia.org/wiki/Lenslok

    Lenslok prism and audio cassette. Lenslok is a copy protection mechanism found in some computer games and other software on the Atari 8-bit computers, Commodore 64, ZX Spectrum, Sinclair QL, MSX and Amstrad CPC. It was created by John Frost, an inventor and electronics consultant, and marketed by ASAP Developments, a subsidiary of J Rothschild ...

  3. Pitch correction - Wikipedia

    en.wikipedia.org/wiki/Pitch_correction

    Pitch correction. Pitch correction is an electronic effects unit or audio software that changes the intonation (highness or lowness in pitch) of an audio signal so that all pitches will be notes from the equally tempered system (i.e., like the pitches on a piano ). Pitch correction devices do this without affecting other aspects of its sound.

  4. Backflow prevention device - Wikipedia

    en.wikipedia.org/wiki/Backflow_prevention_device

    A closely related device is the backwater valve, which is designed to prevent sewage from backing up into a building and causing basement flooding. Preventive devices Backflow prevention device. The simplest, most reliable way to provide backflow prevention is to provide an air gap. An air gap is simply an open vertical space between any device ...

  5. List of Wear OS devices - Wikipedia

    en.wikipedia.org/wiki/List_of_Wear_OS_devices

    1.2 in (30 mm) Physical watch hands. No heart rate sensor. Louis Vuitton. Tambour Horizon (2017) 2017. Wear OS 2.6. Qualcomm Snapdragon 2100.

  6. Prism (geometry) - Wikipedia

    en.wikipedia.org/wiki/Prism_(geometry)

    An oblique prism is a prism in which the joining edges and faces are not perpendicular to the base faces. Example: a parallelepiped is an oblique prism whose base is a parallelogram, or equivalently a polyhedron with six parallelogram faces. Right Prism. A right prism is a prism in which the joining edges and faces are perpendicular to the base ...

  7. Output device - Wikipedia

    en.wikipedia.org/wiki/Output_device

    An output device is any piece of computer hardware that converts information or data into a human-perceptible form or, historically, into a physical machine-readable form for use with other non-computerized equipment. It can be text, graphics, tactile, audio, or video. Examples include monitors, printers, speakers, headphones, projectors, GPS ...

  8. Spectrometer - Wikipedia

    en.wikipedia.org/wiki/Spectrometer

    Spectrometer is a broad term often used to describe instruments that measure a continuous variable of a phenomenon where the spectral components are somehow mixed. In visible light a spectrometer can separate white light and measure individual narrow bands of color, called a spectrum. A mass spectrometer measures the spectrum of the masses of ...

  9. Perger prism - Wikipedia

    en.wikipedia.org/wiki/Perger_prism

    Perger prism. A Perger prism or Perger–Porro prism system is a prism, that is used to invert (rotate by 180°) an image. The special feature of this prism is that, like a traditional double Porro prism system, it manages this with only four beam deflections and has neither a roof edge with the accompanying phase correction problems, a ...