JPS54127354A - Level detector utilizing ultrasonic waves - Google Patents

Level detector utilizing ultrasonic waves

Info

Publication number
JPS54127354A
JPS54127354A JP3505778A JP3505778A JPS54127354A JP S54127354 A JPS54127354 A JP S54127354A JP 3505778 A JP3505778 A JP 3505778A JP 3505778 A JP3505778 A JP 3505778A JP S54127354 A JPS54127354 A JP S54127354A
Authority
JP
Japan
Prior art keywords
receivers
case
time difference
transmitter
ultrasonic waves
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
JP3505778A
Other languages
English (en)
Other versions
JPS588443B2 (ja
Inventor
Toshio Koda
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP53035057A priority Critical patent/JPS588443B2/ja
Publication of JPS54127354A publication Critical patent/JPS54127354A/ja
Publication of JPS588443B2 publication Critical patent/JPS588443B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
JP53035057A 1978-03-27 1978-03-27 超音波利用の水準検出器 Expired JPS588443B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53035057A JPS588443B2 (ja) 1978-03-27 1978-03-27 超音波利用の水準検出器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53035057A JPS588443B2 (ja) 1978-03-27 1978-03-27 超音波利用の水準検出器

Publications (2)

Publication Number Publication Date
JPS54127354A true JPS54127354A (en) 1979-10-03
JPS588443B2 JPS588443B2 (ja) 1983-02-16

Family

ID=12431398

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53035057A Expired JPS588443B2 (ja) 1978-03-27 1978-03-27 超音波利用の水準検出器

Country Status (1)

Country Link
JP (1) JPS588443B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009264831A (ja) * 2008-04-23 2009-11-12 Murata Mfg Co Ltd 傾斜角度センサ、および傾斜角度センサ装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938655A (ja) * 1972-08-11 1974-04-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938655A (ja) * 1972-08-11 1974-04-10

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009264831A (ja) * 2008-04-23 2009-11-12 Murata Mfg Co Ltd 傾斜角度センサ、および傾斜角度センサ装置

Also Published As

Publication number Publication date
JPS588443B2 (ja) 1983-02-16

Similar Documents

Publication Publication Date Title
JPS5646429A (en) Liquid level detecting device of reactor
JPS5353386A (en) Time difference detection circuit
JPS57147063A (en) Ultrasonic doppler flow meter
JPS54127354A (en) Level detector utilizing ultrasonic waves
JPS55110951A (en) Ultrasonic wave detector for sludge dredging
JPS56153268A (en) Distance measuring device
JPS55149874A (en) Level detector
JPS5686304A (en) Scour detecting system
JPS5250784A (en) Ultrasonic type flow and density meter
JPS54127353A (en) Level detector utilizing ultrasonic waves
JPS54108599A (en) Detecting method for kind of vehicle using microprocessor
JPS57124211A (en) Ultrasonic measuring device
JPS54149669A (en) Circuit device for detecting ultrasonic wave transmitting time
JPS52116264A (en) Thickness detecting method for heterogeneous liquid layers
JPS54137298A (en) Ultrasonic vehicle detecting device
JPS5484790A (en) Operating fluid leakage detector
JPS5217064A (en) Vehicle and speed detector unit
JPS53110556A (en) Signal processor of flow meters
JPS5530604A (en) Flow meter
JPS53102773A (en) Ultrasonic type vehicle detector
JPS5334553A (en) Ultrasonic liquid level detector
JPS562576A (en) Ultrasonic snowfall sensor
JPS57103080A (en) Object detector
JPS5212887A (en) Fluid leak detecting system
JPS5524649A (en) Passage detector of moving article