Photosensor scale
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United States of America Patent
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-
Dec 5, 2000
Grant Date -
N/A
app pub date -
Sep 14, 1998
filing date -
Dec 25, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
An inexpensive and highly-accurate photosensor scale to be disposed in opposition to a reflex-type photosensor for detecting a position of a mobile body moving within a predetermined region, comprising: a base film composed of an industrial photographic film; a slit pattern formed on a surface of said base film; and a reflecting film formed on said slit pattern.
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Cited Art Landscape
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