Title:
OPTICAL APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/104635
Kind Code:
A1
Abstract:
In the present invention, an optical apparatus is provided with a light emitting unit and a light receiving unit. The light-emitting unit emits light forward in a first direction. The light-emitting unit has a light-emitting-side through-hole through which passes light that is traveling backward in the first direction. The light-receiving unit is positioned backward in the first direction in relation to the light-emitting unit. The light-receiving unit has a light-receiving part for receiving light that has passed through the light-emitting-side through-hole.
Inventors:
UTSUMI HIDEYUKI (JP)
TANUMA YUKI (JP)
TANUMA YUKI (JP)
Application Number:
PCT/JP2016/086992
Publication Date:
June 22, 2017
Filing Date:
December 13, 2016
Export Citation:
Assignee:
ROHM CO LTD (JP)
International Classes:
H01L31/12
Foreign References:
| US9136258B1 | 2015-09-15 | |||
| JPH09148620A | 1997-06-06 | |||
| JPH05175545A | 1993-07-13 | |||
| JPH0745859A | 1995-02-14 | |||
| US20130341650A1 | 2013-12-26 |
Attorney, Agent or Firm:
YOSHIDA Minoru et al. (JP)
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