DE2312677C3 - Vorrichtung zur Bestimmung eines Bestandteils einer Probe, insbesondere des Feuchtigkeitsgehalts von Früchten - Google Patents

Vorrichtung zur Bestimmung eines Bestandteils einer Probe, insbesondere des Feuchtigkeitsgehalts von Früchten

Info

Publication number
DE2312677C3
DE2312677C3 DE2312677A DE2312677A DE2312677C3 DE 2312677 C3 DE2312677 C3 DE 2312677C3 DE 2312677 A DE2312677 A DE 2312677A DE 2312677 A DE2312677 A DE 2312677A DE 2312677 C3 DE2312677 C3 DE 2312677C3
Authority
DE
Germany
Prior art keywords
sample
output
light
evaluation circuit
filter
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
Application number
DE2312677A
Other languages
German (de)
English (en)
Other versions
DE2312677B2 (de
DE2312677A1 (de
Inventor
Eugene Robert Silver Spring Ganssle
Donald Ralph Laurel Webster
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.)
Bankers Trust Co
Original Assignee
Bankers Trust Co
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 Bankers Trust Co filed Critical Bankers Trust Co
Publication of DE2312677A1 publication Critical patent/DE2312677A1/de
Publication of DE2312677B2 publication Critical patent/DE2312677B2/de
Application granted granted Critical
Publication of DE2312677C3 publication Critical patent/DE2312677C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/501—Colorimeters using spectrally-selective light sources, e.g. LEDs

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE2312677A 1972-03-15 1973-03-14 Vorrichtung zur Bestimmung eines Bestandteils einer Probe, insbesondere des Feuchtigkeitsgehalts von Früchten Expired DE2312677C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23484372A 1972-03-15 1972-03-15

Publications (3)

Publication Number Publication Date
DE2312677A1 DE2312677A1 (de) 1973-09-27
DE2312677B2 DE2312677B2 (de) 1978-03-09
DE2312677C3 true DE2312677C3 (de) 1978-11-09

Family

ID=22883041

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2312677A Expired DE2312677C3 (de) 1972-03-15 1973-03-14 Vorrichtung zur Bestimmung eines Bestandteils einer Probe, insbesondere des Feuchtigkeitsgehalts von Früchten

Country Status (4)

Country Link
US (1) US3765775A (enExample)
JP (1) JPS493675A (enExample)
CA (1) CA970588A (enExample)
DE (1) DE2312677C3 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930994A (en) * 1973-10-03 1976-01-06 Sunkist Growers, Inc. Method and means for internal inspection and sorting of produce
US3909609A (en) * 1973-10-29 1975-09-30 Xerox Corp Light source measuring apparatus
US3867041A (en) * 1973-12-03 1975-02-18 Us Agriculture Method for detecting bruises in fruit
US4084909A (en) * 1976-07-19 1978-04-18 International Business Machines Corporation Drum monochromator
US4176916A (en) * 1977-03-14 1979-12-04 Neotec Corporation Cam filter wheel
US4285596A (en) * 1977-08-16 1981-08-25 Neotec Corporation Holographic diffraction grating system for rapid scan spectral analysis
US4264205A (en) * 1977-08-16 1981-04-28 Neotec Corporation Rapid scan spectral analysis system utilizing higher order spectral reflections of holographic diffraction gratings
US4260262A (en) * 1978-11-28 1981-04-07 Neotec Corporation Grain quality analyzer
US4286327A (en) * 1979-09-10 1981-08-25 Trebor Industries, Inc. Apparatus for near infrared quantitative analysis
US4767717A (en) * 1985-05-02 1988-08-30 Baisden C Robert Method of detecting and quantitating cell malignancy in biological tissue
US5164795A (en) * 1990-03-23 1992-11-17 Sunkist Growers, Inc. Method and apparatus for grading fruit
US5510891A (en) * 1995-01-23 1996-04-23 Frangie; Nehme Object characteristic direct measuring device utilizing a magnetically attracted lover base and an upper frame having a scaled lens therein
US6271920B1 (en) 1997-12-19 2001-08-07 Chromatics Color Sciences International, Inc. Methods and apparatus for color calibration and verification
CN104792741B (zh) * 2014-01-17 2018-01-16 宸鸿科技(厦门)有限公司 光穿透率量测设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3016788A (en) * 1952-05-24 1962-01-16 Genevieve I Magnuson Methods and apparatus for color grading of fruits and vegetables
US2882785A (en) * 1953-05-28 1959-04-21 Dsp Corp Photoelectric grading instrument
US3486822A (en) * 1965-10-01 1969-12-30 Lee B Harris Sampling unit for continuous display of spectral analysis
US3694092A (en) * 1969-03-07 1972-09-26 Hitachi Ltd Photometer
GB1302196A (enExample) * 1969-04-23 1973-01-04
DE1939034C2 (de) * 1969-07-31 1971-01-28 Bio Cal Instr Gmbh Photometer zum Durchfuehren von Messungen bei unterschiedlichen Wellenlaengen
US3646331A (en) * 1970-09-03 1972-02-29 Kollmorgen Corp Automatic 100{11 line adjustment of spectrophotometers

Also Published As

Publication number Publication date
US3765775A (en) 1973-10-16
DE2312677B2 (de) 1978-03-09
JPS493675A (enExample) 1974-01-12
CA970588A (en) 1975-07-08
DE2312677A1 (de) 1973-09-27

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
EHJ Ceased/non-payment of the annual fee