KR940006207U - 줌렌즈(zoom lens)부착 투사장치 - Google Patents

줌렌즈(zoom lens)부착 투사장치

Info

Publication number
KR940006207U
KR940006207U KR2019920015863U KR920015863U KR940006207U KR 940006207 U KR940006207 U KR 940006207U KR 2019920015863 U KR2019920015863 U KR 2019920015863U KR 920015863 U KR920015863 U KR 920015863U KR 940006207 U KR940006207 U KR 940006207U
Authority
KR
South Korea
Prior art keywords
zoom lens
projection device
projection
zoom
lens
Prior art date
Application number
KR2019920015863U
Other languages
English (en)
Other versions
KR950008482Y1 (ko
Inventor
양희선
Original Assignee
양희선
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 양희선 filed Critical 양희선
Priority to KR92015863U priority Critical patent/KR950008482Y1/ko
Publication of KR940006207U publication Critical patent/KR940006207U/ko
Application granted granted Critical
Publication of KR950008482Y1 publication Critical patent/KR950008482Y1/ko

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0046—Movement of one or more optical elements for zooming

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
KR92015863U 1992-08-24 1992-08-24 줌렌즈(zoom lens)부착 투사장치 KR950008482Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR92015863U KR950008482Y1 (ko) 1992-08-24 1992-08-24 줌렌즈(zoom lens)부착 투사장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR92015863U KR950008482Y1 (ko) 1992-08-24 1992-08-24 줌렌즈(zoom lens)부착 투사장치

Publications (2)

Publication Number Publication Date
KR940006207U true KR940006207U (ko) 1994-03-22
KR950008482Y1 KR950008482Y1 (ko) 1995-10-11

Family

ID=19338883

Family Applications (1)

Application Number Title Priority Date Filing Date
KR92015863U KR950008482Y1 (ko) 1992-08-24 1992-08-24 줌렌즈(zoom lens)부착 투사장치

Country Status (1)

Country Link
KR (1) KR950008482Y1 (ko)

Also Published As

Publication number Publication date
KR950008482Y1 (ko) 1995-10-11

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Legal Events

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A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee