DOT-SIGHT DEVICE WITH POLARIZERS
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United States of America Patent
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Issued Date -
Oct 10, 2013
app pub date -
Nov 21, 2012
filing date -
Nov 21, 2011
priority date (Note) -
Abandoned
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Abstract
Disclosed is a dot-sight device with polarizers. The dot-sight device with polarizers includes: a reflecting mirror; a first polarizing unit provided in front of the reflecting mirror; a dot indication generator emitting a ray to the reflecting mirror to form a the dot virtual image; and a second polarizing unit provided in front of the dot indication generator, the first polarizing unit and the second polarizing unit being arranged so that a ray of the dot indication generator is passed through the second polarizing unit but blocked by the first polarizing unit. Thus, there is provided a dot-sight device with polarizers, in which a ray emitted from a dot indication generator is not discovered by the other party and thus a dot-sight observer is not discovered by the other party.
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