analog picturephone

analog picturephone
模擬電視電話

English-Chinese dictionary. 2013.

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  • videophone — /vid ee oh fohn /, n. a telephone that incorporates both voice and video capabilities. Cf. Picturephone. [1950 55; VIDEO + (TELE)PHONE] * * * ▪ telephone Introduction also called  video telephone        device that simultaneously transmits and… …   Universalium

  • Videophone — A videophone, also known by the trademarked name Picturephone , is a telephone which is capable of both audio and video duplex transmission. It differs from videoconferencing in that it expects to serve individuals, not groups.Early historyIn… …   Wikipedia

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  • Equalization — Unreferenced|date=July 2007Equalization (or equalisation, EQ) is the process of changing the frequency envelope of a sound in audio processing. In passing through any channel, an audio signal will spread from its original qualities. The goal of… …   Wikipedia

  • Mechanical television — This schematic shows the circular paths traced by the holes in a Nipkow disk. Mechanical television (also called televisor) was a broadcast television system that used mechanical or electromechanical devices to capture and display video images.… …   Wikipedia

  • History of photography — The first permanent photograph was an image produced in 1826[1] by the French inventor Joseph Nicéphore Niépce.[2] …   Wikipedia

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