They are used in broadcasting, in digital cameras, endoscopy, desktop videoconferencing, fax machines, CCTV cameras, as well as bar code readers.

它们用于广播、数码相机、内窥镜检查、桌面视频会议、传真机、闭路电视摄影机、以及条形码阅读器。

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Fax machines scan printed text and graphics and convert the image into a digital code: 1 for dark areas, 0 for white areas.

传真机先扫瞄印刷文字和图像数据，然后把这些影像转为数字码：1代表黑区，0代表白区。

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In 1985, British Telecom (BT) introduced integrated digital communications network. It provides users with voice, fast delivery chart, fax, slow scan television terminals.

1985年，英国电信公司(BT)推出综合数字通信网络。它向用户提供话音、快速传送图表、传真、慢扫描电视终端等。

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For many years the company dominated the copy-machine market, but its leaders failed to pay attention to disruptive technologies and new products, such as fax machines and digital copiers, which undermined the entire copy-machine market.

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Included: a palmtop computer (touted as the smallest Windows-based PC), a DVD player and a personal digital assistant that is phone, fax, modem, pager and electronic organizer all in one.

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