CONVERTIBLE DIRECT AND REFLECTED DISPLAY.

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作者：
Hoffman Jr., H.S.
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来源：
IBM technical disclosure bulletin | 1983年 / 26卷 / 3 A期
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摘要：
People with bifocal glasses feel comfortable when reading if they can look down at a desk top to read. However, reading a vertical display screen with bifocal glasses produces discomfort in that it requires tipping the head back. A system for reading a display screen which eliminates this problem is discussed.
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