JPS58156271A - レンズの絞り値検出装置 - Google Patents

レンズの絞り値検出装置

Info

Publication number
JPS58156271A
JPS58156271A JP57037981A JP3798182A JPS58156271A JP S58156271 A JPS58156271 A JP S58156271A JP 57037981 A JP57037981 A JP 57037981A JP 3798182 A JP3798182 A JP 3798182A JP S58156271 A JPS58156271 A JP S58156271A
Authority
JP
Japan
Prior art keywords
aperture
aperture value
lens
signal
voltage
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP57037981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6317390B2 (enrdf_load_stackoverflow
Inventor
Kentaro Hanma
謙太郎 半間
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP57037981A priority Critical patent/JPS58156271A/ja
Publication of JPS58156271A publication Critical patent/JPS58156271A/ja
Publication of JPS6317390B2 publication Critical patent/JPS6317390B2/ja
Granted legal-status Critical Current

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
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/75—Circuitry for compensating brightness variation in the scene by influencing optical camera components

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Exposure Control For Cameras (AREA)
  • Automatic Focus Adjustment (AREA)
JP57037981A 1982-03-12 1982-03-12 レンズの絞り値検出装置 Granted JPS58156271A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57037981A JPS58156271A (ja) 1982-03-12 1982-03-12 レンズの絞り値検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57037981A JPS58156271A (ja) 1982-03-12 1982-03-12 レンズの絞り値検出装置

Publications (2)

Publication Number Publication Date
JPS58156271A true JPS58156271A (ja) 1983-09-17
JPS6317390B2 JPS6317390B2 (enrdf_load_stackoverflow) 1988-04-13

Family

ID=12512738

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57037981A Granted JPS58156271A (ja) 1982-03-12 1982-03-12 レンズの絞り値検出装置

Country Status (1)

Country Link
JP (1) JPS58156271A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01168094U (enrdf_load_stackoverflow) * 1988-05-17 1989-11-27

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57200017A (en) * 1981-06-03 1982-12-08 Sony Corp Aperture locking device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57200017A (en) * 1981-06-03 1982-12-08 Sony Corp Aperture locking device

Also Published As

Publication number Publication date
JPS6317390B2 (enrdf_load_stackoverflow) 1988-04-13

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