1. This paper describes a phototypesetter with four scanning laser beams. There are four He-Ne Lasers and four acoustooptic modulators in the phototypesetter.
本文介绍了四束激光扫描照排机，照排机内安装有四支氦氖激光器及四个声光调制器。
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2. Second-generation phototypesetter A computer aided phototypesetting system using flash tube as the light source and a rotating film matrix for exposing the film or paper.
3. Second-generation phototypesetter A computer aided phototypesetting system using flash tube as the light source and a rotating film matrix for exposing the film or paper.
