KR930011645U - Automatic focus control circuit - Google Patents

Automatic focus control circuit

Info

Publication number
KR930011645U
KR930011645U KR2019910018825U KR910018825U KR930011645U KR 930011645 U KR930011645 U KR 930011645U KR 2019910018825 U KR2019910018825 U KR 2019910018825U KR 910018825 U KR910018825 U KR 910018825U KR 930011645 U KR930011645 U KR 930011645U
Authority
KR
South Korea
Prior art keywords
control circuit
focus control
automatic focus
automatic
circuit
Prior art date
Application number
KR2019910018825U
Other languages
Korean (ko)
Other versions
KR940007796Y1 (en
Inventor
김영대
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 KR2019910018825U priority Critical patent/KR940007796Y1/en
Publication of KR930011645U publication Critical patent/KR930011645U/en
Application granted granted Critical
Publication of KR940007796Y1 publication Critical patent/KR940007796Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H04N23/67—Focus control based on electronic image sensor signals
    • H04N23/671—Focus control based on electronic image sensor signals in combination with active ranging signals, e.g. using light or sound signals emitted toward objects
    • 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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automatic Focus Adjustment (AREA)
KR2019910018825U 1991-11-07 1991-11-07 Auto-focus controlling circuit KR940007796Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910018825U KR940007796Y1 (en) 1991-11-07 1991-11-07 Auto-focus controlling circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910018825U KR940007796Y1 (en) 1991-11-07 1991-11-07 Auto-focus controlling circuit

Publications (2)

Publication Number Publication Date
KR930011645U true KR930011645U (en) 1993-06-25
KR940007796Y1 KR940007796Y1 (en) 1994-10-24

Family

ID=19321766

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910018825U KR940007796Y1 (en) 1991-11-07 1991-11-07 Auto-focus controlling circuit

Country Status (1)

Country Link
KR (1) KR940007796Y1 (en)

Also Published As

Publication number Publication date
KR940007796Y1 (en) 1994-10-24

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 20050930

Year of fee payment: 12

EXPY Expiration of term