KR890004185A - TV screen magnification projection lens group - Google Patents
TV screen magnification projection lens group Download PDFInfo
- Publication number
- KR890004185A KR890004185A KR1019870008870A KR870008870A KR890004185A KR 890004185 A KR890004185 A KR 890004185A KR 1019870008870 A KR1019870008870 A KR 1019870008870A KR 870008870 A KR870008870 A KR 870008870A KR 890004185 A KR890004185 A KR 890004185A
- Authority
- KR
- South Korea
- Prior art keywords
- lens group
- projection lens
- magnification projection
- screen magnification
- concave
- Prior art date
Links
Landscapes
- Lenses (AREA)
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제 1 도는 요소들이 가장 넓은 각 위치에 있는 본 발명의 렌즈으 개략적 측면도.1 is a schematic side view of a lens of the present invention with the elements in their widest angular position;
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870008870A KR890004185A (en) | 1987-08-13 | 1987-08-13 | TV screen magnification projection lens group |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870008870A KR890004185A (en) | 1987-08-13 | 1987-08-13 | TV screen magnification projection lens group |
Publications (1)
Publication Number | Publication Date |
---|---|
KR890004185A true KR890004185A (en) | 1989-04-20 |
Family
ID=68279924
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870008870A KR890004185A (en) | 1987-08-13 | 1987-08-13 | TV screen magnification projection lens group |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890004185A (en) |
-
1987
- 1987-08-13 KR KR1019870008870A patent/KR890004185A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WITN | Withdrawal due to no request for examination |