JPS6438611A - Temperature compensating circuit - Google Patents

Temperature compensating circuit

Info

Publication number
JPS6438611A
JPS6438611A JP62193054A JP19305487A JPS6438611A JP S6438611 A JPS6438611 A JP S6438611A JP 62193054 A JP62193054 A JP 62193054A JP 19305487 A JP19305487 A JP 19305487A JP S6438611 A JPS6438611 A JP S6438611A
Authority
JP
Japan
Prior art keywords
temperature
signal
vns
vnb
pulse width
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
JP62193054A
Other languages
Japanese (ja)
Other versions
JP2546681B2 (en
Inventor
Ichiro Asano
Nobutaka Kihara
Tetsushi Inoue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Horiba Ltd
Original Assignee
Horiba Ltd
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 Horiba Ltd filed Critical Horiba Ltd
Priority to JP62193054A priority Critical patent/JP2546681B2/en
Publication of JPS6438611A publication Critical patent/JPS6438611A/en
Application granted granted Critical
Publication of JP2546681B2 publication Critical patent/JP2546681B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

PURPOSE:To reduce the number of components, namely, to simplify the structure of a temperature compensating circuit, by commonly using a detected temperature signal generated from one temperature-pulse width converting circuit for a plurality of temperature compensating circuits each constituted by a voltage dividing means and a switching means. CONSTITUTION:A temperature-pulse width converting circuit X oscillates a pulse width signal Vp which changes the duty ratio D(T) (time ratio of a pulse width t1 during H time with respect to a pulse repeating cycle T0) in accordance with the temperature detected by a temperature sensing element RT. Then, in a plurality of temperature compensating circuits YN (N=1, 2...), a measuring signal VN1 inputted by an input terminal IN is divided into a big signal VNB and a small signal VNS(VNB>VNS) by a voltage dividing means (resistor) CN. The signals VNB and VNS are supplied to a switching means (switching element) DN to be outputted alternately to an output terminal ON in accordance with the H/L change of the signal VP from the converting circuit X. In other words, a weighted mean of the signal VNB or VNS is outputted as a temperature compensated signal VNO, and therefore a simple and cheap temperature compensating circuit can be realized.
JP62193054A 1987-08-01 1987-08-01 Temperature compensation circuit Expired - Lifetime JP2546681B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62193054A JP2546681B2 (en) 1987-08-01 1987-08-01 Temperature compensation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62193054A JP2546681B2 (en) 1987-08-01 1987-08-01 Temperature compensation circuit

Publications (2)

Publication Number Publication Date
JPS6438611A true JPS6438611A (en) 1989-02-08
JP2546681B2 JP2546681B2 (en) 1996-10-23

Family

ID=16301419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62193054A Expired - Lifetime JP2546681B2 (en) 1987-08-01 1987-08-01 Temperature compensation circuit

Country Status (1)

Country Link
JP (1) JP2546681B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06186187A (en) * 1992-07-14 1994-07-08 Anatel Corp Method and device for measuring electrical conductivity of solution

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534425A (en) * 1976-07-02 1978-01-17 Hitachi Ltd Mono tube color pick up tube
JPS6253356U (en) * 1985-09-24 1987-04-02

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534425A (en) * 1976-07-02 1978-01-17 Hitachi Ltd Mono tube color pick up tube
JPS6253356U (en) * 1985-09-24 1987-04-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06186187A (en) * 1992-07-14 1994-07-08 Anatel Corp Method and device for measuring electrical conductivity of solution

Also Published As

Publication number Publication date
JP2546681B2 (en) 1996-10-23

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