Heard P F, Makepeace A P
Perception. 1977;6(6):727-30. doi: 10.1068/p060727.
An inexpensive optoelectronic slide identifier that uses binary code is described. It can be attached to most automatic projectors and provides for automatic indexing of up to two-hundred and fifty-five different coded slides, while each slide is being projectd.
本文介绍了一种使用二进制编码的廉价光电幻灯片识别器。它可以连接到大多数自动投影仪上,并在每张幻灯片放映时,对多达255张不同编码的幻灯片进行自动索引。