JPS6297983U - - Google Patents

Info

Publication number
JPS6297983U
JPS6297983U JP19066785U JP19066785U JPS6297983U JP S6297983 U JPS6297983 U JP S6297983U JP 19066785 U JP19066785 U JP 19066785U JP 19066785 U JP19066785 U JP 19066785U JP S6297983 U JPS6297983 U JP S6297983U
Authority
JP
Japan
Prior art keywords
receiving element
light receiving
comparator
capacitor
detects
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
JP19066785U
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 JP19066785U priority Critical patent/JPS6297983U/ja
Publication of JPS6297983U publication Critical patent/JPS6297983U/ja
Pending legal-status Critical Current

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Landscapes

  • Geophysics And Detection Of Objects (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例の回路図、第2図は
従来例の回路図である。 1……光電式物体検出回路、2……発光ダイオ
ード、3……フオトトランジスタ、7……電解コ
ンデンサ、6……比較器。

Claims (1)

  1. 【実用新案登録請求の範囲】 発光素子と受光素子との間に形成された光路中
    に介在する物体を検出する光電式物体検出回路に
    おいて、 光路中に物体が介在しないときの受光素子に流
    れる光電流により充電されるコンデンサと、 このコンデンサの充電電圧と検出時に前記受光
    素子に流れる光電流に基づく検出電圧とを比較す
    る比較器とを備え、 この比較器出力に基づいて物体を検出すること
    を特徴とする光電式物体検出回路。
JP19066785U 1985-12-11 1985-12-11 Pending JPS6297983U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19066785U JPS6297983U (ja) 1985-12-11 1985-12-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19066785U JPS6297983U (ja) 1985-12-11 1985-12-11

Publications (1)

Publication Number Publication Date
JPS6297983U true JPS6297983U (ja) 1987-06-22

Family

ID=31144101

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19066785U Pending JPS6297983U (ja) 1985-12-11 1985-12-11

Country Status (1)

Country Link
JP (1) JPS6297983U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02151724A (ja) * 1988-12-02 1990-06-11 Kawasumi Lab Inc 液体の滴下検出方法及び液体の滴下検知器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02151724A (ja) * 1988-12-02 1990-06-11 Kawasumi Lab Inc 液体の滴下検出方法及び液体の滴下検知器

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