Title:
METHOD FOR PROJECTING GOBO IMAGE IN GOBO LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/085498
Kind Code:
A1
Abstract:
This method by which a gobo lighting device projects a gobo image may comprise the steps of: obtaining a speed limit of a corresponding road; calculating a stopping distance of a vehicle on the basis of the speed limit and a slope of the road; calculating a road marking printing ratio for the gobo image marked on the road on the basis of the stopping distance of the vehicle; calculating a projection angle of the gobo image according to the road marking printing ratio; and projecting the gobo image by the gobo lighting device.
Inventors:
CHAE SUNG GI (KR)
CHO YOUNGJU (KR)
KIM JI MYUNG (KR)
KIM IN TAE (KR)
HER JUN (KR)
SHIN KYUNG-HO (KR)
SONG SANG BIN (KR)
CHO MEE RYOUNG (KR)
CHO YOUNGJU (KR)
KIM JI MYUNG (KR)
KIM IN TAE (KR)
HER JUN (KR)
SHIN KYUNG-HO (KR)
SONG SANG BIN (KR)
CHO MEE RYOUNG (KR)
Application Number:
PCT/KR2023/014933
Publication Date:
April 25, 2024
Filing Date:
September 26, 2023
Export Citation:
Assignee:
KOREA PHOTONICS TECH INST (KR)
International Classes:
F21V33/00; F21S8/08; G09F19/18; F21W111/02; F21Y115/10
Foreign References:
| KR102391507B1 | 2022-04-28 | |||
| KR102425459B1 | 2022-07-28 | |||
| JP6579296B1 | 2019-09-25 | |||
| JP2012247369A | 2012-12-13 | |||
| KR20110091218A | 2011-08-11 |
Attorney, Agent or Firm:
SEWON PATENT LAW FIRM (KR)
Download PDF: