Collimating mark device
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United States of America Patent
Stats
-
May 7, 1991
Grant Date -
N/A
app pub date -
Oct 23, 1989
filing date -
May 7, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A collimating mark device is provided with an infrared collimating mark intended to be observed through a sight. The infrared collimating mark is designed such that at least two V-shaped intensity distributions are positioned in a way that their respective apexes are facing one another. Despite a relatively blurred image after conversion into a visible collimating mark, the blurred visible collimating mark can be brought in a reproducible and reliable manner into coincidence with a fixed alignment mark.
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Cited Art Landscape
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