JPS54149670A - Circuit device for detecting ultrasonic wave propagating time - Google Patents

Circuit device for detecting ultrasonic wave propagating time

Info

Publication number
JPS54149670A
JPS54149670A JP5782178A JP5782178A JPS54149670A JP S54149670 A JPS54149670 A JP S54149670A JP 5782178 A JP5782178 A JP 5782178A JP 5782178 A JP5782178 A JP 5782178A JP S54149670 A JPS54149670 A JP S54149670A
Authority
JP
Japan
Prior art keywords
time
signals
ultrasonic wave
malfunction
output signals
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
JP5782178A
Other languages
English (en)
Inventor
Masaru Kono
Yukio Nakagawa
Takeo Kata
Gunji Ogawara
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.)
CHIYOUONPA KOGYO KK
Fuji Electric Co Ltd
Ultrasonic Engineering Co Ltd
Original Assignee
CHIYOUONPA KOGYO KK
Fuji Electric Co Ltd
Ultrasonic Engineering 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 CHIYOUONPA KOGYO KK, Fuji Electric Co Ltd, Ultrasonic Engineering Co Ltd filed Critical CHIYOUONPA KOGYO KK
Priority to JP5782178A priority Critical patent/JPS54149670A/ja
Priority to NL7903821A priority patent/NL7903821A/xx
Priority to GB7916836A priority patent/GB2021768B/en
Priority to DK200579A priority patent/DK200579A/da
Priority to DE19792920177 priority patent/DE2920177A1/de
Priority to FR7912503A priority patent/FR2426248A1/fr
Publication of JPS54149670A publication Critical patent/JPS54149670A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
JP5782178A 1978-05-16 1978-05-16 Circuit device for detecting ultrasonic wave propagating time Pending JPS54149670A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP5782178A JPS54149670A (en) 1978-05-16 1978-05-16 Circuit device for detecting ultrasonic wave propagating time
NL7903821A NL7903821A (nl) 1978-05-16 1979-05-15 Meetinrichting voor het meten van een overdrachtstijd van een ultrasonisch signaal.
GB7916836A GB2021768B (en) 1978-05-16 1979-05-15 Acoustic measuring instruments eg flowmeters or level gauges
DK200579A DK200579A (da) 1978-05-16 1979-05-15 Udstyr til maaling af et ultralydsignals vandretid
DE19792920177 DE2920177A1 (de) 1978-05-16 1979-05-16 Messgeraet zum bestimmen der laufzeit von ultraschall-signalen
FR7912503A FR2426248A1 (fr) 1978-05-16 1979-05-16 Dispositif de mesure du temps de transit d'un signal ultrasonore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5782178A JPS54149670A (en) 1978-05-16 1978-05-16 Circuit device for detecting ultrasonic wave propagating time

Publications (1)

Publication Number Publication Date
JPS54149670A true JPS54149670A (en) 1979-11-24

Family

ID=13066575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5782178A Pending JPS54149670A (en) 1978-05-16 1978-05-16 Circuit device for detecting ultrasonic wave propagating time

Country Status (6)

Country Link
JP (1) JPS54149670A (ja)
DE (1) DE2920177A1 (ja)
DK (1) DK200579A (ja)
FR (1) FR2426248A1 (ja)
GB (1) GB2021768B (ja)
NL (1) NL7903821A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5752815A (en) * 1980-09-16 1982-03-29 Yokogawa Hokushin Electric Corp Processing circuit for ultrasonic wave signal
JPS5827086A (ja) * 1981-08-11 1983-02-17 Fuji Electric Co Ltd 超音波伝搬時間検出方法
US4748857A (en) * 1986-02-26 1988-06-07 Fuji Electric Co., Ltd. Ultrasonic apparatus for measuring the flow velocity of a fluid
JP2002296290A (ja) * 2001-03-30 2002-10-09 Surpass Kogyo Kk 流速測定方法及び流速測定装置並びに流量測定方法及び流量測定装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3316630C2 (de) * 1983-05-06 1985-07-25 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Vorrichtung zur Laufzeitbestimmung von Ultraschallimpulsen in einem Fluid
GB8918068D0 (en) * 1989-08-08 1989-09-20 Front Engineering Ltd An apparatus for determining the time taken for sound to cross a body of fluid in an enclosure

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49130261A (ja) * 1973-04-13 1974-12-13

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3894431A (en) * 1972-04-04 1975-07-15 Atomic Energy Authority Uk Apparatus for indicating fluid flow velocity
US3818757A (en) * 1972-05-05 1974-06-25 Saratoga Sys Inc Dual path ultrasonic fluid flow metering system and method
JPS5310454A (en) * 1976-07-16 1978-01-30 Nippon Kokan Kk Apparatus for detecting change of fluid character by singgaround method
DE2641771A1 (de) * 1976-09-14 1978-03-16 Fuji Electric Co Ltd Messeinrichtung mit einem zeitdifferenz-messglied
DE2641772A1 (de) * 1976-09-14 1978-03-16 Fuji Electric Co Ltd Durchfluss- oder stroemungsmesseinrichtung
JPS5829854B2 (ja) * 1977-07-26 1983-06-25 富士電機株式会社 超音波式測定装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49130261A (ja) * 1973-04-13 1974-12-13

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5752815A (en) * 1980-09-16 1982-03-29 Yokogawa Hokushin Electric Corp Processing circuit for ultrasonic wave signal
JPS5827086A (ja) * 1981-08-11 1983-02-17 Fuji Electric Co Ltd 超音波伝搬時間検出方法
JPS6334994B2 (ja) * 1981-08-11 1988-07-13 Fuji Electric Co Ltd
US4748857A (en) * 1986-02-26 1988-06-07 Fuji Electric Co., Ltd. Ultrasonic apparatus for measuring the flow velocity of a fluid
JP2002296290A (ja) * 2001-03-30 2002-10-09 Surpass Kogyo Kk 流速測定方法及び流速測定装置並びに流量測定方法及び流量測定装置
JP4538163B2 (ja) * 2001-03-30 2010-09-08 サーパス工業株式会社 流速測定方法及び流速測定装置並びに流量測定方法及び流量測定装置

Also Published As

Publication number Publication date
GB2021768A (en) 1979-12-05
FR2426248A1 (fr) 1979-12-14
DE2920177A1 (de) 1979-11-22
DK200579A (da) 1979-11-17
GB2021768B (en) 1982-08-18
NL7903821A (nl) 1979-11-20

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