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Title:
DIRECTIONAL OPTICAL SYSTEM AND NON-CONTACT TYPE EVENT DETECTION DEVICE HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2018/062896
Kind Code:
A1
Abstract:
The present invention relates to a directional optical system configured to have directivity by combining a parabolic reflector, an elliptic reflector, and a hyperbolic reflector, and a non-contact type event detection device having the same, wherein the parabolic reflector, the elliptic reflector, and the hyperbolic reflector can be manufactured in an aspherical shape by injection molding, so that the problem of chromatic aberration and spherical aberration does not occur.

Inventors:
PARK JEONG IK (KR)
Application Number:
PCT/KR2017/010830
Publication Date:
April 05, 2018
Filing Date:
September 28, 2017
Export Citation:
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Assignee:
TRUEYES INC (KR)
PARK JEONG IK (KR)
International Classes:
G01J5/20; G01J1/04; G02B5/10
Foreign References:
KR20120083911A2012-07-26
JP2016017947A2016-02-01
KR20160060845A2016-05-31
KR20160071492A2016-06-22
KR101375378B12014-03-19
Attorney, Agent or Firm:
KIM, Tae Soo (KR)
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