JPS5537906A - Pressure transmission device - Google Patents

Pressure transmission device

Info

Publication number
JPS5537906A
JPS5537906A JP11032978A JP11032978A JPS5537906A JP S5537906 A JPS5537906 A JP S5537906A JP 11032978 A JP11032978 A JP 11032978A JP 11032978 A JP11032978 A JP 11032978A JP S5537906 A JPS5537906 A JP S5537906A
Authority
JP
Japan
Prior art keywords
resistance
voltage
pressure
change
changed
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
JP11032978A
Other languages
Japanese (ja)
Other versions
JPS5832646B2 (en
Inventor
Akira Ishii
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP53110329A priority Critical patent/JPS5832646B2/en
Publication of JPS5537906A publication Critical patent/JPS5537906A/en
Publication of JPS5832646B2 publication Critical patent/JPS5832646B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/06—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

PURPOSE:To supplement the dependency of the pressure sensitive element on temperature and provide it with a linear quality by providing a correction resistance changing correspondingly to the change in resistance in the potential dividing resistance common portions disposed between the output side of the bridge circuit and the output end of the constant voltage circuit thereof. CONSTITUTION:When the pressure is applied to the pressure sensing elements 21, 22, the resistance values R1, R2 of the elements 21, 22 change and the voltage in the output terminal d changes. As a result of this, output voltage of the operation amplifier 34 changes, causing the current flowing through the variable resistance 39 to be changed. This current flows from the transistor 32 through the base resistance 40, so that the voltage at both ends of the resistance 40 changes and accordingly, the feed voltage of the feed terminals a, b of the bridge circuit 20 is changed. Therefore, in accordance with the change of the pressure, the feed voltage of the bridge circuit 20 is changed. In this instance, the effect of the output voltage of the bridge circuir 20 due to the non-linear property of pressure-resistance change characteristic of the pressure sensitive elements 21, 22 themselves can be removed by the adjustment of the variable resistance 39.
JP53110329A 1978-09-08 1978-09-08 pressure transmitter Expired JPS5832646B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53110329A JPS5832646B2 (en) 1978-09-08 1978-09-08 pressure transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53110329A JPS5832646B2 (en) 1978-09-08 1978-09-08 pressure transmitter

Publications (2)

Publication Number Publication Date
JPS5537906A true JPS5537906A (en) 1980-03-17
JPS5832646B2 JPS5832646B2 (en) 1983-07-14

Family

ID=14532969

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53110329A Expired JPS5832646B2 (en) 1978-09-08 1978-09-08 pressure transmitter

Country Status (1)

Country Link
JP (1) JPS5832646B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5935481A (en) * 1982-08-23 1984-02-27 Mitsubishi Electric Corp Pressure detector
US4556807A (en) * 1982-08-16 1985-12-03 Hitachi, Ltd. Pressure transducer with temperature compensation circuit
US4558238A (en) * 1982-10-01 1985-12-10 Hitachi, Ltd. Pressure transducer using integrated circuit elements
JPH01105108A (en) * 1987-10-17 1989-04-21 Ohkura Electric Co Ltd Converting amplifier with linearizing circuit
FR2659447A1 (en) * 1990-03-09 1991-09-13 Jaeger Force measurement device comprising a temperature-compensated piezo-resistive transducer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4925984A (en) * 1972-04-12 1974-03-07
JPS52139456A (en) * 1976-05-18 1977-11-21 Toshiba Corp Pressure and pressure-difference transmitting apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4925984A (en) * 1972-04-12 1974-03-07
JPS52139456A (en) * 1976-05-18 1977-11-21 Toshiba Corp Pressure and pressure-difference transmitting apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556807A (en) * 1982-08-16 1985-12-03 Hitachi, Ltd. Pressure transducer with temperature compensation circuit
JPS5935481A (en) * 1982-08-23 1984-02-27 Mitsubishi Electric Corp Pressure detector
JPH043493B2 (en) * 1982-08-23 1992-01-23
US4558238A (en) * 1982-10-01 1985-12-10 Hitachi, Ltd. Pressure transducer using integrated circuit elements
JPH01105108A (en) * 1987-10-17 1989-04-21 Ohkura Electric Co Ltd Converting amplifier with linearizing circuit
JPH0529847B2 (en) * 1987-10-17 1993-05-06 Okura Denki Co Ltd
FR2659447A1 (en) * 1990-03-09 1991-09-13 Jaeger Force measurement device comprising a temperature-compensated piezo-resistive transducer

Also Published As

Publication number Publication date
JPS5832646B2 (en) 1983-07-14

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