- analog picturephone
- 模擬電視電話
English-Chinese dictionary. 2013.
English-Chinese dictionary. 2013.
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
Videoconferencing — See also: List of video telecommunication services and product brands A Tandberg T3 high resolution telepresence room in use (2008) … Wikipedia
Michael Francis Tompsett — is a British born physicist and former researcher at English Electric Valve Company, [1] who later moved to Bell Labs in America. He is best known as the inventor of Charge Coupled Device (CCD) Imagers used for imaging in devices such as digital… … Wikipedia
T-carrier — In telecommunications, T carrier, sometimes abbreviated as T CXR , is the generic designator for any of several digitally multiplexed telecommunications carrier systems originally developed by Bell Labs and used in North America, Japan, and Korea … Wikipedia
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