JPS5932942U - transistor thermometer - Google Patents

transistor thermometer

Info

Publication number
JPS5932942U
JPS5932942U JP12845382U JP12845382U JPS5932942U JP S5932942 U JPS5932942 U JP S5932942U JP 12845382 U JP12845382 U JP 12845382U JP 12845382 U JP12845382 U JP 12845382U JP S5932942 U JPS5932942 U JP S5932942U
Authority
JP
Japan
Prior art keywords
base
emitter
thermometer
transistor
voltage
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
JP12845382U
Other languages
Japanese (ja)
Inventor
三田村　正和
高山　光二
Original Assignee
株式会社アドバンテスト
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 by 株式会社アドバンテスト filed Critical 株式会社アドバンテスト
Priority to JP12845382U priority Critical patent/JPS5932942U/en
Publication of JPS5932942U publication Critical patent/JPS5932942U/en
Pending legal-status Critical Current

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  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来のトランジスタ温度計を示す図、第２図は
この考案のトランジスタ温度計を示す図、　　。 第３図は引算回路１の一実施例を示す図、第４図はこの
考案の応用例を示す図、第５図はこの考案の他の実施例
を示す図である。 １：引算回路、２：表示器、３：スイッチ群。FIG. 1 is a diagram showing a conventional transistor thermometer, and FIG. 2 is a diagram showing a transistor thermometer of this invention. FIG. 3 is a diagram showing one embodiment of the subtraction circuit 1, FIG. 4 is a diagram showing an application example of this invention, and FIG. 5 is a diagram showing another embodiment of this invention. 1: Subtraction circuit, 2: Display, 3: Switch group.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] トランジスタのベース・エミッタ間に電流を流し、ベー
ス・エミッタ間の電圧を測定して温度を検出する温度計
において、定電流が一定の倍率関係を有する２個の定電
流源を備え、該定電流源をそれぞれスイッチを通して上
記トランジスタのコレクタに接続して、第１の定電流源
によるベース・エミッタ間電圧と、第２の定電流源によ
るベース・エミッタ間電圧をそれぞれ測定し、その差電
圧により温度を求めることを特徴とする温度計。A thermometer that detects temperature by passing a current between the base and emitter of a transistor and measuring the voltage between the base and emitter. The base-emitter voltage caused by the first constant current source and the base-emitter voltage caused by the second constant current source are measured by connecting the respective sources to the collector of the above transistor through a switch, and the temperature is determined by the difference voltage. A thermometer characterized by determining .
JP12845382U 1982-08-25 1982-08-25 transistor thermometer Pending JPS5932942U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12845382U JPS5932942U (en) 1982-08-25 1982-08-25 transistor thermometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12845382U JPS5932942U (en) 1982-08-25 1982-08-25 transistor thermometer

Publications (1)

Publication Number Publication Date
JPS5932942U true JPS5932942U (en) 1984-02-29

Family

ID=30291398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12845382U Pending JPS5932942U (en) 1982-08-25 1982-08-25 transistor thermometer

Country Status (1)

Country Link
JP (1) JPS5932942U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009204422A (en) * 2008-02-27 2009-09-10 Seiko Instruments Inc Semiconductor temperature sensor circuit
JP2016206126A (en) * 2015-04-28 2016-12-08 セイコーエプソン株式会社 Circuit device, electronic equipment, and moving object

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4993077A (en) * 1972-12-13 1974-09-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4993077A (en) * 1972-12-13 1974-09-04

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009204422A (en) * 2008-02-27 2009-09-10 Seiko Instruments Inc Semiconductor temperature sensor circuit
JP2016206126A (en) * 2015-04-28 2016-12-08 セイコーエプソン株式会社 Circuit device, electronic equipment, and moving object

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