JPH0375420U - - Google Patents

Info

Publication number
JPH0375420U
JPH0375420U JP13670189U JP13670189U JPH0375420U JP H0375420 U JPH0375420 U JP H0375420U JP 13670189 U JP13670189 U JP 13670189U JP 13670189 U JP13670189 U JP 13670189U JP H0375420 U JPH0375420 U JP H0375420U
Authority
JP
Japan
Prior art keywords
light
receiving element
resistance value
rom
brightness
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.)
Pending
Application number
JP13670189U
Other languages
English (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 JP13670189U priority Critical patent/JPH0375420U/ja
Publication of JPH0375420U publication Critical patent/JPH0375420U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Exposure Control For Cameras (AREA)

Description

【図面の簡単な説明】
図は本考案によるカメラ用測光装置のブロツク
図である。 ＣｄＳ……硫化カドニウム、Ｒ１……固定抵抗
、１……ＲＯＭ、２……Ｅ２−ＰＲＯＭ、４……
マイコン。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 受光により抵抗値が変化する受光素子と、前
    記受光素子へ所定輝度の光を入射したときの前記
    受光素子の抵抗値並びに前記所定の輝度から異な
    る輝度側へ入射光量を変更したときの前記受光素
    子の抵抗値の変化量として規定されているガンマ
    値を記憶するＲＯＭと、前記ＲＯＭに記入された
    前記受光素子の抵抗値並びに前記ガンマ値から予
    め定めた演算式にもとずき被写体輝度を演算する
    マイコンとを備えたことを特徴とするカメラ用測
    光装置。 ２ 前記ガンマ値を記憶するＲＯＭがＥ２−ＰＲ
    ＯＭである請求項１記載のカメラ用測光装置。
JP13670189U 1989-11-24 1989-11-24 Pending JPH0375420U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13670189U JPH0375420U (ja) 1989-11-24 1989-11-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13670189U JPH0375420U (ja) 1989-11-24 1989-11-24

Publications (1)

Publication Number Publication Date
JPH0375420U true JPH0375420U (ja) 1991-07-29

Family

ID=31683896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13670189U Pending JPH0375420U (ja) 1989-11-24 1989-11-24

Country Status (1)

Country Link
JP (1) JPH0375420U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006200264A (ja) * 2005-01-21 2006-08-03 Shikoku Chem Corp 薬剤溶解水供給装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5995518A (ja) * 1982-11-25 1984-06-01 Copal Co Ltd プログラム電気シヤツタにおける露光量制御装置
JPS6397926A (ja) * 1986-10-14 1988-04-28 Minolta Camera Co Ltd カメラ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5995518A (ja) * 1982-11-25 1984-06-01 Copal Co Ltd プログラム電気シヤツタにおける露光量制御装置
JPS6397926A (ja) * 1986-10-14 1988-04-28 Minolta Camera Co Ltd カメラ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006200264A (ja) * 2005-01-21 2006-08-03 Shikoku Chem Corp 薬剤溶解水供給装置
JP4481841B2 (ja) * 2005-01-21 2010-06-16 四国化成工業株式会社 薬剤溶解水供給装置

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