IL84386A0 - Apparatus for measuring firmness - Google Patents

Apparatus for measuring firmness

Info

Publication number
IL84386A0
IL84386A0 IL84386A IL8438687A IL84386A0 IL 84386 A0 IL84386 A0 IL 84386A0 IL 84386 A IL84386 A IL 84386A IL 8438687 A IL8438687 A IL 8438687A IL 84386 A0 IL84386 A0 IL 84386A0
Authority
IL
Israel
Prior art keywords
measuring firmness
firmness
measuring
Prior art date
Application number
IL84386A
Other languages
English (en)
Original Assignee
Syrinx Innovations
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 Syrinx Innovations filed Critical Syrinx Innovations
Publication of IL84386A0 publication Critical patent/IL84386A0/xx

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
    • G01N29/04—Analysing solids
    • G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0052—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to impact
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/02—Food
    • G01N33/025—Fruits or vegetables
    • 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
    • G01N2291/02827—Elastic parameters, strength or force

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Acoustics & Sound (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
IL84386A 1986-11-08 1987-11-06 Apparatus for measuring firmness IL84386A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868626711A GB8626711D0 (en) 1986-11-08 1986-11-08 Measuring firmness

Publications (1)

Publication Number Publication Date
IL84386A0 true IL84386A0 (en) 1988-04-29

Family

ID=10607004

Family Applications (1)

Application Number Title Priority Date Filing Date
IL84386A IL84386A0 (en) 1986-11-08 1987-11-06 Apparatus for measuring firmness

Country Status (6)

Country Link
EP (1) EP0267737A3 (de)
JP (1) JPS63167264A (de)
AU (1) AU8064887A (de)
GB (1) GB8626711D0 (de)
IL (1) IL84386A0 (de)
NZ (1) NZ222477A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4846001A (en) * 1987-09-11 1989-07-11 Sps Technologies, Inc. Ultrasonic load indicating member
NZ234200A (en) * 1990-06-22 1994-11-25 Nz Government Testing firmness of fruit by measuring deceleration of driven impact member
IL106005A (en) * 1993-06-13 1996-12-05 Technion Res & Dev Foundation Method and instrument for testing the quality of fruit
US5811680A (en) * 1993-06-13 1998-09-22 Technion Research & Development Foundation Ltd. Method and apparatus for testing the quality of fruit
SE508285C2 (sv) * 1994-06-07 1998-09-21 Biosys Ab Metod och anordning för bedömning av vakenhetsgrad och dåsighet i olika stadier mellan vakenhet och sömn på ett för en övervakad ej störande sätt
IL116857A (en) * 1996-01-22 1999-10-28 Eilon Eshet Method and apparatus for testing the quality of fruit and for monitoring changes in its condition
ES2122918B1 (es) * 1996-11-18 1999-08-01 Espan Food Mach Dispositivo para la medicion no destructiva de la firmeza de frutos.
IL131832A (en) * 1997-03-10 2002-05-23 Imperial College Method and apparatus for assessing the ripeness or firmness of fruit and vegetables
DE102005030904A1 (de) 2005-07-01 2007-01-04 Heinz Sechting Verfahren und Vorrichtung zur Feststellung der Qualität von pflanzlichen Produkten
BRPI0705830B1 (pt) 2007-07-16 2018-04-03 Embrapa - Empresa Brasileira De Pesquisa Agropecuária Sistema de aplanação para avaliar a firmeza dependente da pressão celular em folhas e segmentos de face plana de órgãos macios

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1987244A (en) * 1932-05-31 1935-01-08 Southern Oregon Sales Inc Maturity tester
DE1959628A1 (de) * 1968-12-02 1970-07-30 Licencia Talalmanyokat Instrumentales Verfahren und Einrichtung zur Bestimmung des Reifheitsgrades von Obst,hauptsaechlich von apfelartigem Obst
US4061020A (en) * 1976-08-13 1977-12-06 The Regents Of The University Of California Deformeter
US4286459A (en) * 1979-10-30 1981-09-01 Johnson & Johnson Force sensor
DE3437976A1 (de) * 1984-10-17 1986-04-17 Dornier System Gmbh, 7990 Friedrichshafen Stosswellensensor
US4634917A (en) * 1984-12-26 1987-01-06 Battelle Memorial Institute Active multi-layer piezoelectric tactile sensor apparatus and method
NL8502475A (nl) * 1985-09-11 1987-04-01 Oce Nederland Bv Stelsel voor het bepalen van de druk in de kneep tussen twee rollen.

Also Published As

Publication number Publication date
AU8064887A (en) 1988-05-12
EP0267737A2 (de) 1988-05-18
EP0267737A3 (de) 1989-11-29
NZ222477A (en) 1989-05-29
GB8626711D0 (en) 1986-12-10
JPS63167264A (ja) 1988-07-11

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