JPH0228804B2 - - Google Patents

Info

Publication number
JPH0228804B2
JPH0228804B2 JP56134224A JP13422481A JPH0228804B2 JP H0228804 B2 JPH0228804 B2 JP H0228804B2 JP 56134224 A JP56134224 A JP 56134224A JP 13422481 A JP13422481 A JP 13422481A JP H0228804 B2 JPH0228804 B2 JP H0228804B2
Authority
JP
Japan
Prior art keywords
voltage
measurement mode
counter
terminal
detection section
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.)
Expired - Lifetime
Application number
JP56134224A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5835415A (ja
Inventor
Takeshi Yasuhara
Eiichi Nabeta
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP56134224A priority Critical patent/JPS5835415A/ja
Priority to US06/402,377 priority patent/US4531193A/en
Priority to AU86518/82A priority patent/AU549860B2/en
Priority to CA000408285A priority patent/CA1220835A/en
Priority to BR8204472A priority patent/BR8204472A/pt
Priority to DE8282106917T priority patent/DE3274495D1/de
Priority to EP84114777A priority patent/EP0159401B1/en
Priority to EP82106917A priority patent/EP0071912B1/en
Priority to DE19823229010 priority patent/DE3229010A1/de
Priority to DE8484114777T priority patent/DE3279510D1/de
Publication of JPS5835415A publication Critical patent/JPS5835415A/ja
Publication of JPH0228804B2 publication Critical patent/JPH0228804B2/ja
Granted 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
    • G01L9/12—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 capacitance, i.e. electric circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/248—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains by varying pulse repetition frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
    • G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1071—Measuring or testing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/60—Analogue/digital converters with intermediate conversion to frequency of pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP56134224A 1981-07-30 1981-08-28 測定装置 Granted JPS5835415A (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP56134224A JPS5835415A (ja) 1981-08-28 1981-08-28 測定装置
US06/402,377 US4531193A (en) 1981-07-30 1982-07-27 Measurement apparatus
AU86518/82A AU549860B2 (en) 1981-07-30 1982-07-28 Measurement apparatus
CA000408285A CA1220835A (en) 1981-07-30 1982-07-28 Measurement apparatus
BR8204472A BR8204472A (pt) 1981-07-30 1982-07-29 Aparelho para medir uma quantidade fisica e fornecer dados de medicao correspondentes
DE8282106917T DE3274495D1 (en) 1981-07-30 1982-07-30 Measurement apparatus
EP84114777A EP0159401B1 (en) 1981-07-30 1982-07-30 Measurement apparatus
EP82106917A EP0071912B1 (en) 1981-07-30 1982-07-30 Measurement apparatus
DE19823229010 DE3229010A1 (de) 1981-07-30 1982-07-30 Digitale messeinrichtung fuer eine physikalische groesse
DE8484114777T DE3279510D1 (en) 1981-07-30 1982-07-30 Measurement apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56134224A JPS5835415A (ja) 1981-08-28 1981-08-28 測定装置

Publications (2)

Publication Number Publication Date
JPS5835415A JPS5835415A (ja) 1983-03-02
JPH0228804B2 true JPH0228804B2 (cs) 1990-06-26

Family

ID=15123317

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56134224A Granted JPS5835415A (ja) 1981-07-30 1981-08-28 測定装置

Country Status (1)

Country Link
JP (1) JPS5835415A (cs)

Also Published As

Publication number Publication date
JPS5835415A (ja) 1983-03-02

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