JPH0195656U - - Google Patents

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Publication number
JPH0195656U
JPH0195656U JP19310987U JP19310987U JPH0195656U JP H0195656 U JPH0195656 U JP H0195656U JP 19310987 U JP19310987 U JP 19310987U JP 19310987 U JP19310987 U JP 19310987U JP H0195656 U JPH0195656 U JP H0195656U
Authority
JP
Japan
Prior art keywords
constant
heat
sensitive element
heating circuit
temperature self
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
JP19310987U
Other languages
English (en)
Other versions
JPH0526995Y2 (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 JP19310987U priority Critical patent/JPH0526995Y2/ja
Publication of JPH0195656U publication Critical patent/JPH0195656U/ja
Application granted granted Critical
Publication of JPH0526995Y2 publication Critical patent/JPH0526995Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の湿度検出回路の一実施例を
示す回路図、第2図は第1図におけるir―is
特性図、第3図は従来の湿度検出回路の回路図、
第4図は第3図におけるRr―Rs特性図である
。 1,2……感熱素子、3……差電圧検出器、R
,R,R,R,R,R……抵抗器、
OP1,OP2……演算増幅器。

Claims (1)

  1. 【実用新案登録請求の範囲】 雰囲気に暴露されており、外部からの電流によ
    つて自己加熱する第1感熱素子と、 上記第1感熱素子が定温度になるように上記第
    1感熱素子に通電する電流を制御する第1定温度
    自己加熱回路と、 極低湿下で密閉されており、外部からの電流に
    よつて自己加熱する第2感熱素子と、 上記第2感熱素子が定温度になるように上記第
    2感熱素子に通電する電流を制御する第2定温度
    自己加熱回路と、 上記第1定温度自己加熱回路の出力と上記第2
    定温度自己加熱回路の出力との差を検出する差検
    出手段を備えたことを特徴とする湿度検出回路。
JP19310987U 1987-12-16 1987-12-16 Expired - Lifetime JPH0526995Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19310987U JPH0526995Y2 (ja) 1987-12-16 1987-12-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19310987U JPH0526995Y2 (ja) 1987-12-16 1987-12-16

Publications (2)

Publication Number Publication Date
JPH0195656U true JPH0195656U (ja) 1989-06-23
JPH0526995Y2 JPH0526995Y2 (ja) 1993-07-08

Family

ID=31483927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19310987U Expired - Lifetime JPH0526995Y2 (ja) 1987-12-16 1987-12-16

Country Status (1)

Country Link
JP (1) JPH0526995Y2 (ja)

Also Published As

Publication number Publication date
JPH0526995Y2 (ja) 1993-07-08

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