JPS6191843U - - Google Patents

Info

Publication number
JPS6191843U
JPS6191843U JP17747884U JP17747884U JPS6191843U JP S6191843 U JPS6191843 U JP S6191843U JP 17747884 U JP17747884 U JP 17747884U JP 17747884 U JP17747884 U JP 17747884U JP S6191843 U JPS6191843 U JP S6191843U
Authority
JP
Japan
Prior art keywords
circuit
temperature
level detection
photoelectric
detection circuit
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
JP17747884U
Other languages
English (en)
Other versions
JPH0448108Y2 (ja
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 JP1984177478U priority Critical patent/JPH0448108Y2/ja
Publication of JPS6191843U publication Critical patent/JPS6191843U/ja
Application granted granted Critical
Publication of JPH0448108Y2 publication Critical patent/JPH0448108Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Radiation Pyrometers (AREA)
  • Thermally Actuated Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Electronic Switches (AREA)

Description

【図面の簡単な説明】
第１図は本考案による光電式温度スイツチの一
実施例を示すブロツク図である。 １…被測温部材、２…示温部材、３…光電スイ
ツチ、４…発光ダイオード、５…ホトダイオード
、６…増幅回路、７…第１レベル検知回路、８…
出力回路、９…報知回路、１０…第２レベル検知
回路、１１…増幅率調節回路、１２…表示ランプ
、１３…感度補正回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 被測温部材に貼付または塗布され、かつ特
    定温度で変色する示温部材と、前記示温部材の変
    色を光学的に監視する光電スイツチとから成るこ
    とを特徴とする光電式温度スイツチ。 (2) 光電スイツチの検出感度を設定する第１の
    レベル検知回路に並設され、かつ第１のレベル検
    知回路よりも相対的に低い検出感度に設定された
    第２のレベル検知回路と、受光信号を増幅する増
    幅回路の増幅率を調節する増幅率調節回路と、第
    ２のレベル検知回路に接続された表示回路とから
    成る感度補正回路を具備することを特徴とする実
    用新案登録請求の範囲第１項記載の光電式温度ス
    イツチ。
JP1984177478U 1984-11-21 1984-11-21 Expired JPH0448108Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984177478U JPH0448108Y2 (ja) 1984-11-21 1984-11-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984177478U JPH0448108Y2 (ja) 1984-11-21 1984-11-21

Publications (2)

Publication Number Publication Date
JPS6191843U true JPS6191843U (ja) 1986-06-14
JPH0448108Y2 JPH0448108Y2 (ja) 1992-11-12

Family

ID=30735044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984177478U Expired JPH0448108Y2 (ja) 1984-11-21 1984-11-21

Country Status (1)

Country Link
JP (1) JPH0448108Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313420U (ja) * 1975-09-19 1978-02-03

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313420U (ja) * 1975-09-19 1978-02-03

Also Published As

Publication number Publication date
JPH0448108Y2 (ja) 1992-11-12

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