JPS56147061A - Water content measuring method of laver - Google Patents

Water content measuring method of laver

Info

Publication number
JPS56147061A
JPS56147061A JP5216180A JP5216180A JPS56147061A JP S56147061 A JPS56147061 A JP S56147061A JP 5216180 A JP5216180 A JP 5216180A JP 5216180 A JP5216180 A JP 5216180A JP S56147061 A JPS56147061 A JP S56147061A
Authority
JP
Japan
Prior art keywords
laver
water content
hurdle
sound wave
circuit
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
JP5216180A
Other languages
Japanese (ja)
Inventor
Kazuo Hashimoto
Toshihiro Shinguu
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.)
TAKEI DENKI KOGYO KK
Original Assignee
TAKEI DENKI KOGYO KK
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 TAKEI DENKI KOGYO KK filed Critical TAKEI DENKI KOGYO KK
Priority to JP5216180A priority Critical patent/JPS56147061A/en
Publication of JPS56147061A publication Critical patent/JPS56147061A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02—Analysing fluids
    • G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02441—Liquids in porous solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02845—Humidity, wetness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

PURPOSE:To ensure a quick detection for the water content of the laver sticking to the laver hurdle, by installing a sound wave transmitter and a sound wave receiver across a laver hurdle to obtain the propagation degree of sound wave and at the same time comparing the propagation degree with a chart, graph or the like showing the correlation between the water content of laver and the propagation degree of sound wave obtained previously. CONSTITUTION:The edgeless hurdle 1 runs in circulation the scooping part 2, dehydrating part 3, drying room 4 and others successively. The water content detector 5 is provided between the part 3 and the room 4. At the same time, the pulse oscillated from the pulse oscillator 6 passes through the raw laver 7 on the hurdle 1 from the speaker S and then collected by the microphone m. These pulses are amplified by the amplifier A to be put into the holding circuit 8. On the other hand, the correlation is obtained experimentally and previously between the water content in the laver and the output delivered from the circuit 8. Thus the water content of the raw laver can be obtained indirectly and in the course of production by the output of the circuit 8.
JP5216180A 1980-04-15 1980-04-15 Water content measuring method of laver Pending JPS56147061A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5216180A JPS56147061A (en) 1980-04-15 1980-04-15 Water content measuring method of laver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5216180A JPS56147061A (en) 1980-04-15 1980-04-15 Water content measuring method of laver

Publications (1)

Publication Number Publication Date
JPS56147061A true JPS56147061A (en) 1981-11-14

Family

ID=12907106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5216180A Pending JPS56147061A (en) 1980-04-15 1980-04-15 Water content measuring method of laver

Country Status (1)

Country Link
JP (1) JPS56147061A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60259954A (en) * 1984-06-06 1985-12-23 Shimada Phys & Chem Ind Co Ltd Ultrasonic material inspector
JP2009080097A (en) * 2007-09-07 2009-04-16 Hiroshima Univ Method and device for measuring moisture content of processed food

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60259954A (en) * 1984-06-06 1985-12-23 Shimada Phys & Chem Ind Co Ltd Ultrasonic material inspector
JP2009080097A (en) * 2007-09-07 2009-04-16 Hiroshima Univ Method and device for measuring moisture content of processed food

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