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US5239392A Reading apparatus 失效
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Reading apparatus
摘要:
A reading apparatus of the invention has a high resolution reading part, a low resolution reading part, holding means for holding both the reading parts so as to be movable along a document, and means for selecting both the reading parts. The reading apparatus performs by one set of the apparatus total four modes of low resolution reading with respect to a light-impermeable document, high resolution reading with respect to the light-impermeable document, low resolution reading with respect to a large-sized light-permeable document, and high resolution reading with respect to a small-sized light-permeable document, such as a photographic film.
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