JPS6362152B2 - - Google Patents

Info

Publication number
JPS6362152B2
JPS6362152B2 JP56001427A JP142781A JPS6362152B2 JP S6362152 B2 JPS6362152 B2 JP S6362152B2 JP 56001427 A JP56001427 A JP 56001427A JP 142781 A JP142781 A JP 142781A JP S6362152 B2 JPS6362152 B2 JP S6362152B2
Authority
JP
Japan
Prior art keywords
signal
level
circuit
average value
video
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.)
Expired
Application number
JP56001427A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57115083A (en
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 filed Critical
Priority to JP56001427A priority Critical patent/JPS57115083A/ja
Publication of JPS57115083A publication Critical patent/JPS57115083A/ja
Publication of JPS6362152B2 publication Critical patent/JPS6362152B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
JP56001427A 1981-01-08 1981-01-08 Video level detecting circuit Granted JPS57115083A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56001427A JPS57115083A (en) 1981-01-08 1981-01-08 Video level detecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56001427A JPS57115083A (en) 1981-01-08 1981-01-08 Video level detecting circuit

Publications (2)

Publication Number Publication Date
JPS57115083A JPS57115083A (en) 1982-07-17
JPS6362152B2 true JPS6362152B2 (pt) 1988-12-01

Family

ID=11501152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56001427A Granted JPS57115083A (en) 1981-01-08 1981-01-08 Video level detecting circuit

Country Status (1)

Country Link
JP (1) JPS57115083A (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0722355B2 (ja) * 1984-02-06 1995-03-08 キヤノン株式会社 露出制御装置
US4843476A (en) * 1986-11-25 1989-06-27 Matsushita Electric Industrial Co., Ltd. System for controlling the amount of light reaching an image pick-up apparatus based on a brightness/darkness ratio weighing

Also Published As

Publication number Publication date
JPS57115083A (en) 1982-07-17

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