KR890007573A - OHP-compatible LCD projection TV - Google Patents

OHP-compatible LCD projection TV Download PDF

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Publication number
KR890007573A
KR890007573A KR870012188A KR870012188A KR890007573A KR 890007573 A KR890007573 A KR 890007573A KR 870012188 A KR870012188 A KR 870012188A KR 870012188 A KR870012188 A KR 870012188A KR 890007573 A KR890007573 A KR 890007573A
Authority
KR
South Korea
Prior art keywords
ohp
lcd projection
fresnel lens
screen
compatible lcd
Prior art date
Application number
KR870012188A
Other languages
Korean (ko)
Other versions
KR910004641B1 (en
Inventor
박홍철
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 KR1019870012188A priority Critical patent/KR910004641B1/en
Publication of KR890007573A publication Critical patent/KR890007573A/en
Application granted granted Critical
Publication of KR910004641B1 publication Critical patent/KR910004641B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Liquid Crystal (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)

Abstract

내용 없음No content

Description

OHP겸용의 LCD 프로젝션 텔레비젼OHP-compatible LCD projection TV

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제 2 도는 본 발명에 대한 OHP겸용의 LCD프로젝션 TV구성도.2 is a schematic diagram of an OHP combined LCD projection TV according to the present invention.

Claims (1)

텔레비젼 화면을 투사하는 오버헤드 프로젝션시스템에 있어서, 비임증가용 프레이넬렌즈(4)에 드라이브회로(15)와 화면재생장치(16)가 연결된 LCD 팬널(13)하고 수정프레이넬 렌즈(12)를 설치하고, 냉각 거울(2)과 근접하게 집속 프레이넬렌즈(11)를 설치하여 LCD의 화면을 투사하도록 구성된 것을 특징으로 하는 O.H.P겸용의 LCD프로젝션 텔레비젼.In an overhead projection system for projecting a television screen, an LCD panel (13) connected to a drive circuit (15) and a screen reproducing apparatus (16) connected to a non-increasing Fresnel lens (4), and a modified Fresnel lens (12) And a focusing Fresnel lens (11) adjacent to the cooling mirror (2) to project the LCD screen. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870012188A 1987-10-31 1987-10-31 Lcd projection television using also ohp KR910004641B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870012188A KR910004641B1 (en) 1987-10-31 1987-10-31 Lcd projection television using also ohp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870012188A KR910004641B1 (en) 1987-10-31 1987-10-31 Lcd projection television using also ohp

Publications (2)

Publication Number Publication Date
KR890007573A true KR890007573A (en) 1989-06-20
KR910004641B1 KR910004641B1 (en) 1991-07-08

Family

ID=19265655

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870012188A KR910004641B1 (en) 1987-10-31 1987-10-31 Lcd projection television using also ohp

Country Status (1)

Country Link
KR (1) KR910004641B1 (en)

Also Published As

Publication number Publication date
KR910004641B1 (en) 1991-07-08

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