systems in which the signal is not broadcast H04N7/18- Closed circuit television systems, i.e.G09F23/00- Advertising on or in specific articles, e.g.G09F9/33- Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g.G09F9/30- Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements. G09F9/00- Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements.G09F- DISPLAYING ADVERTISING SIGNS LABELS OR NAME-PLATES SEALS.G09- EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS.206010039203 Road traffic accident Diseases 0.000 description 1.238000005516 engineering process Methods 0.000 description 5.230000000007 visual effect Effects 0.000 abstract description 3.238000004519 manufacturing process Methods 0.000 abstract description 4.238000005259 measurement Methods 0.000 claims description 4.230000000694 effects Effects 0.000 claims abstract description 23.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by (주)트로스 아이엔디 filed Critical (주)트로스 아이엔디 Priority to KR2020080010006U priority Critical patent/KR20100001283U/en Publication of KR20100001283U publication Critical patent/KR20100001283U/en Links Inventor 장청숙 Original Assignee (주)트로스 아이엔디 Priority date (The priority date is an assumption and is not a legal conclusion. Google Patents KR20100001283U - LED banner able to install public facility and estimate the effectiveness of advertising KR20100001283U - LED banner able to install public facility and estimate the effectiveness of advertising
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