KR960008921U - Pulse width modulated electronic aperture - Google Patents

Pulse width modulated electronic aperture

Info

Publication number
KR960008921U
KR960008921U KR2019940019951U KR19940019951U KR960008921U KR 960008921 U KR960008921 U KR 960008921U KR 2019940019951 U KR2019940019951 U KR 2019940019951U KR 19940019951 U KR19940019951 U KR 19940019951U KR 960008921 U KR960008921 U KR 960008921U
Authority
KR
South Korea
Prior art keywords
pulse width
width modulated
electronic aperture
modulated electronic
aperture
Prior art date
Application number
KR2019940019951U
Other languages
Korean (ko)
Other versions
KR200150090Y1 (en
Inventor
윤민석
Original Assignee
삼성항공산업주식회사
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 삼성항공산업주식회사 filed Critical 삼성항공산업주식회사
Priority to KR2019940019951U priority Critical patent/KR200150090Y1/en
Publication of KR960008921U publication Critical patent/KR960008921U/en
Application granted granted Critical
Publication of KR200150090Y1 publication Critical patent/KR200150090Y1/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/085—Analogue circuits for control of aperture
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
KR2019940019951U 1994-08-08 1994-08-08 Electronic iris of puls width modulation type KR200150090Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019940019951U KR200150090Y1 (en) 1994-08-08 1994-08-08 Electronic iris of puls width modulation type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019940019951U KR200150090Y1 (en) 1994-08-08 1994-08-08 Electronic iris of puls width modulation type

Publications (2)

Publication Number Publication Date
KR960008921U true KR960008921U (en) 1996-03-16
KR200150090Y1 KR200150090Y1 (en) 1999-07-01

Family

ID=19390292

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019940019951U KR200150090Y1 (en) 1994-08-08 1994-08-08 Electronic iris of puls width modulation type

Country Status (1)

Country Link
KR (1) KR200150090Y1 (en)

Also Published As

Publication number Publication date
KR200150090Y1 (en) 1999-07-01

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