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KR890011427A - Projection tv receiver - Google Patents

Projection tv receiver Download PDF

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Publication number
KR890011427A
KR890011427A KR1019870015457A KR870015457A KR890011427A KR 890011427 A KR890011427 A KR 890011427A KR 1019870015457 A KR1019870015457 A KR 1019870015457A KR 870015457 A KR870015457 A KR 870015457A KR 890011427 A KR890011427 A KR 890011427A
Authority
KR
South Korea
Prior art keywords
television receiver
projection television
image
fresnel screen
projection
Prior art date
Application number
KR1019870015457A
Other languages
Korean (ko)
Inventor
황용기
Original Assignee
최근선
주식회사 금성사
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 최근선, 주식회사 금성사 filed Critical 최근선
Priority to KR1019870015457A priority Critical patent/KR890011427A/en
Publication of KR890011427A publication Critical patent/KR890011427A/en

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  • Overhead Projectors And Projection Screens (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

내용 없음No content

Description

프로젝션 텔레비젼 수상기Projection tv receiver

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 4도는 본 발명에 의한 프로젝션 텔레비젼 수상기의 광학 계통도.4 is an optical system diagram of a projection television receiver according to the present invention.

제 5도는 본 발명에 의한 포로젝션 텔레비젼 수상기의 스크린에 화상이 투사되는 상태를 보인 확대 측면도.5 is an enlarged side view showing a state in which an image is projected on the screen of the projection television receiver according to the present invention.

Claims (3)

프로젝션 텔레비젼 수상기 본체(1)의 전면에 중심부(2a)와 동심원상 프리넬렌즈(2b)를 보유하는 프리넬스크린(2)을 설치함에 있어서, 상기 프리넬 스크린(2)의 중심부(2a)를 화상의 중심축에 대하여 편심되게 설치한 것을 특징으로 하는 프로젝션 텔레비젼 수상기.In installing the fresnel screen 2 having the central portion 2a and the concentric prismatic lens 2b on the front surface of the projection television receiver body 1, the central portion 2a of the fresnel screen 2 is placed. A projection television receiver, which is provided eccentrically with respect to the central axis of the image. 제 1항에 있어서, 상기 프리넬스크린(2)의 중심부(2a)를 화상의 중심축에 대하여 상측에 위치되게 설치한 것을 특징으로 하는 프로젝션 텔레비젼 수상기.The projection television receiver according to claim 1, wherein a center portion (2a) of the fresnel screen (2) is provided so as to be positioned above the central axis of the image. 제 1항에 있어서, 상기 프리넬스크린(2)의 중심부(2a)를 화상의 중심축에 대하여 하측에 위치되게 설치한 것을 특징으로 하는 프로젝션 텔레비젼 수상기.2. A projection television receiver according to claim 1, wherein a center portion (2a) of the fresnel screen (2) is provided so as to be positioned below the central axis of the image. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870015457A 1987-12-30 1987-12-30 Projection tv receiver KR890011427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870015457A KR890011427A (en) 1987-12-30 1987-12-30 Projection tv receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870015457A KR890011427A (en) 1987-12-30 1987-12-30 Projection tv receiver

Publications (1)

Publication Number Publication Date
KR890011427A true KR890011427A (en) 1989-08-14

Family

ID=68806515

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870015457A KR890011427A (en) 1987-12-30 1987-12-30 Projection tv receiver

Country Status (1)

Country Link
KR (1) KR890011427A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030078138A (en) * 2002-03-28 2003-10-08 장두근 image displaying device using specular surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030078138A (en) * 2002-03-28 2003-10-08 장두근 image displaying device using specular surface

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