DEVELOPMENT OF HIGH-DEFINITION VIDEO COPY EQUIPMENT.

被引:0
作者
Hori, Yasuro [1 ]
Abe, Nobuo [1 ]
Suzuki, Yasuaki [1 ]
Takei, Tohru [1 ]
Matsuno, Junichi [1 ]
Hanma, Kentaro [1 ]
机构
[1] Hitachi Ltd, Hitachi, Jpn, Hitachi Ltd, Hitachi, Jpn
关键词
PHOTOGRAPHY; COLOR;
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摘要
High-definition video copy equipment with picture quality almost simulating photographic prints has been developed. A sublimation-dye thermal transfer method is used to give prints which are A5 in size and have a printing resolution of 8 dots/mm. Printing time is under 3 min per copy. Color can be reproduced in up to 64 gradations. The construction of the video copy equipment and the measures taken to ensure high-quality prints are explained in detail.
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