JPH0438533U - - Google Patents

Info

Publication number
JPH0438533U
JPH0438533U JP7980190U JP7980190U JPH0438533U JP H0438533 U JPH0438533 U JP H0438533U JP 7980190 U JP7980190 U JP 7980190U JP 7980190 U JP7980190 U JP 7980190U JP H0438533 U JPH0438533 U JP H0438533U
Authority
JP
Japan
Prior art keywords
cds
photodetector
series
resistor
analog
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
JP7980190U
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 JP7980190U priority Critical patent/JPH0438533U/ja
Publication of JPH0438533U publication Critical patent/JPH0438533U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Description

【図面の簡単な説明】
第1図は本考案の測光装置の一実施例の構成図
、第2図は本実施例の光量とビツト値との関係を
示す説明図、第3図は本実施例の光量とビツト差
との関係を示す説明図、第4図は本実施例の測光
動作のフローチヤート、第5図は従来の測光装置
を示す構成図、第6図は従来のA/D・Cの端子
電圧と光量との関係を示す説明図、第7図は従来
のビツト値と光量との関係を示す説明図である。 11……電源電池、12……CPU、13……
CdS受光素子、14a,14b,14c……抵
抗、15……アナログ/デジタル・コンバータ、
16a,16b,16c……切換手段。

Claims (1)

    【実用新案登録請求の範囲】
  1. CdS受光素子と、CdS受光素子に直列に接
    続された抵抗との分圧電圧をアナログ・デジタル
    変換することにより測光を行う測定装置において
    、前記CdS受光素子に抵抗値が異なる複数の抵
    抗を直列に接続し、受光量によつてCdS受光素
    子と抵抗との接続を切換える切換手段を備えたこ
    とを特徴とする測光装置。
JP7980190U 1990-07-30 1990-07-30 Pending JPH0438533U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7980190U JPH0438533U (ja) 1990-07-30 1990-07-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7980190U JPH0438533U (ja) 1990-07-30 1990-07-30

Publications (1)

Publication Number Publication Date
JPH0438533U true JPH0438533U (ja) 1992-03-31

Family

ID=31624291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7980190U Pending JPH0438533U (ja) 1990-07-30 1990-07-30

Country Status (1)

Country Link
JP (1) JPH0438533U (ja)

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