KR910012353U - Lens cap switchgear - Google Patents

Lens cap switchgear

Info

Publication number
KR910012353U
KR910012353U KR2019890020153U KR890020153U KR910012353U KR 910012353 U KR910012353 U KR 910012353U KR 2019890020153 U KR2019890020153 U KR 2019890020153U KR 890020153 U KR890020153 U KR 890020153U KR 910012353 U KR910012353 U KR 910012353U
Authority
KR
South Korea
Prior art keywords
switchgear
lens cap
lens
cap
cap switchgear
Prior art date
Application number
KR2019890020153U
Other languages
Korean (ko)
Other versions
KR920004230Y1 (en
Inventor
김명규
정용준
Original Assignee
삼성항공산업 주식회사
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 삼성항공산업 주식회사 filed Critical 삼성항공산업 주식회사
Priority to KR2019890020153U priority Critical patent/KR920004230Y1/en
Publication of KR910012353U publication Critical patent/KR910012353U/en
Application granted granted Critical
Publication of KR920004230Y1 publication Critical patent/KR920004230Y1/en

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
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • G03B11/043—Protective lens closures or lens caps built into cameras

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Blocking Light For Cameras (AREA)
KR2019890020153U 1989-12-28 1989-12-28 Lens cap apparatus KR920004230Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890020153U KR920004230Y1 (en) 1989-12-28 1989-12-28 Lens cap apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890020153U KR920004230Y1 (en) 1989-12-28 1989-12-28 Lens cap apparatus

Publications (2)

Publication Number Publication Date
KR910012353U true KR910012353U (en) 1991-07-30
KR920004230Y1 KR920004230Y1 (en) 1992-06-22

Family

ID=19294186

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890020153U KR920004230Y1 (en) 1989-12-28 1989-12-28 Lens cap apparatus

Country Status (1)

Country Link
KR (1) KR920004230Y1 (en)

Also Published As

Publication number Publication date
KR920004230Y1 (en) 1992-06-22

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Legal Events

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A201 Request for examination
E701 Decision to grant or registration of patent right
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Payment date: 20040512

Year of fee payment: 13

EXPY Expiration of term