KR890004185A - TV screen magnification projection lens group - Google Patents

TV screen magnification projection lens group Download PDF

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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
Application number
KR1019870008870A
Other languages
Korean (ko)
Inventor
이둥석
Original Assignee
이둥석
Priority date (The priority date is an assumption and is not a legal conclusion. 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 이둥석 filed Critical 이둥석
Priority to KR1019870008870A priority Critical patent/KR890004185A/en
Publication of KR890004185A publication Critical patent/KR890004185A/en

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Abstract

내용 없음No content

Description

텔레비죤화면 확대투사 렌즈군TV screen magnification projection lens group

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)

본문에 상술하고 도면에 도시한 바와 같이 텔레비죤 브라운관 화면과 말착시킨 오목렌즈, (R1)을 무한대로(R2) 오목으로 구성된 1차 축소(L1) 2차(R3),(R4)확대(L2) 3차(R5),(R6) 확대순으로 구성된 실물 확대용 렌즈군.As described above and shown in the drawing, a concave lens attached to a television picture tube screen and a concave lens (R1) are formed to concave to infinity (R2). Real lens group consisting of 3rd order (R5), (R6) magnification. ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870008870A 1987-08-13 1987-08-13 TV screen magnification projection lens group KR890004185A (en)

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)

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