KR930012549U - 비디오 프로젝터의 자동촛점장치 - Google Patents

비디오 프로젝터의 자동촛점장치

Info

Publication number
KR930012549U
KR930012549U KR2019910020448U KR910020448U KR930012549U KR 930012549 U KR930012549 U KR 930012549U KR 2019910020448 U KR2019910020448 U KR 2019910020448U KR 910020448 U KR910020448 U KR 910020448U KR 930012549 U KR930012549 U KR 930012549U
Authority
KR
South Korea
Prior art keywords
automatic focusing
focusing device
video projectors
projectors
video
Prior art date
Application number
KR2019910020448U
Other languages
English (en)
Other versions
KR940007078Y1 (ko
Inventor
이용인
Original Assignee
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 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR2019910020448U priority Critical patent/KR940007078Y1/ko
Publication of KR930012549U publication Critical patent/KR930012549U/ko
Application granted granted Critical
Publication of KR940007078Y1 publication Critical patent/KR940007078Y1/ko

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/317—Convergence or focusing systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Projection Apparatus (AREA)
KR2019910020448U 1991-11-26 1991-11-26 비디오 프로젝터의 자동촛점장치 KR940007078Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910020448U KR940007078Y1 (ko) 1991-11-26 1991-11-26 비디오 프로젝터의 자동촛점장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910020448U KR940007078Y1 (ko) 1991-11-26 1991-11-26 비디오 프로젝터의 자동촛점장치

Publications (2)

Publication Number Publication Date
KR930012549U true KR930012549U (ko) 1993-06-25
KR940007078Y1 KR940007078Y1 (ko) 1994-10-13

Family

ID=19322954

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910020448U KR940007078Y1 (ko) 1991-11-26 1991-11-26 비디오 프로젝터의 자동촛점장치

Country Status (1)

Country Link
KR (1) KR940007078Y1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102126016B1 (ko) * 2014-04-08 2020-06-23 에스케이텔레콤 주식회사 휴대형 소형 레이저 프로젝터

Also Published As

Publication number Publication date
KR940007078Y1 (ko) 1994-10-13

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