Title:
FLOOR-TYPE WALKING SIGNAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/240112
Kind Code:
A1
Abstract:
The present invention provides a floor-type walking signal device for installation in which the device is buried in the ground between a road and a sidewalk, comprising a reflector having a plurality of reflective surfaces respectively corresponding to a plurality of LED elements. The present invention can prevent the luminance from being lowered by using the reflector, even if the distance between light-exiting surfaces and the LED elements is relatively long, and can improve the luminance uniformity on the light exit surfaces.
Inventors:
SHIN GYUWEON (KR)
KIM DAEHWAN (KR)
KIM DAEHWAN (KR)
Application Number:
PCT/KR2022/006607
Publication Date:
November 17, 2022
Filing Date:
May 10, 2022
Export Citation:
Assignee:
AMOSENSE CO LTD (KR)
International Classes:
G08G1/095; E01F9/582; E01F9/615; F21S8/00; F21V7/10; F21Y115/10
Foreign References:
| KR102133975B1 | 2020-07-16 | |||
| KR102108789B1 | 2020-05-11 | |||
| KR102210147B1 | 2021-02-02 | |||
| KR102061027B1 | 2020-02-17 | |||
| KR101905794B1 | 2018-12-05 | |||
| KR102335546B1 | 2021-12-07 |
Attorney, Agent or Firm:
KIM, Churchill (KR)
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