“teletext”的英文意思_释义_用法

单词

teletext

释义

teletext|ˈtɛlɪtɛkst|
[f. tele- 2 + text n.¹]
A system in which a user's television set is adapted so as to be able to show alphanumeric information selected from displays transmitted using the spare capacity of existing television channels. Cf. oracle n.¹ 10; contrast viewdata.
1974Wireless World Nov. 441/1 (heading) Teletext to go ahead.1975Electronics & Power 15 May 548/1 In March 1974, the British Radio Equipment Manufacturers' Association, BBC and IBA reached agreement on a unified standard system, known as teletext, based largely on the ceefax system.1975,1976[see oracle n. 10].1980S. Money in K. G. Jackson Bk. of Video 89/2 By using the same page format and data coding, viewdata and teletext have been made compatible so that a large part of the decoder can be common for both systems.

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