GB1411341A - Colour evaluation system - Google Patents

Colour evaluation system

Info

Publication number
GB1411341A
GB1411341A GB645973A GB645973A GB1411341A GB 1411341 A GB1411341 A GB 1411341A GB 645973 A GB645973 A GB 645973A GB 645973 A GB645973 A GB 645973A GB 1411341 A GB1411341 A GB 1411341A
Authority
GB
United Kingdom
Prior art keywords
comparators
formation stage
colour
primary
feb
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
GB645973A
Other languages
English (en)
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.)
Erwin Sick GmbH Optik Elektronik
Original Assignee
Erwin Sick GmbH Optik Elektronik
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 Erwin Sick GmbH Optik Elektronik filed Critical Erwin Sick GmbH Optik Elektronik
Publication of GB1411341A publication Critical patent/GB1411341A/en
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
    • 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
    • G01J2003/466—Coded colour; Recognition of predetermined colour; Determining proximity to predetermined colour
    • 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
    • G01J3/513—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters having fixed filter-detector pairs

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
GB645973A 1972-02-11 1973-02-09 Colour evaluation system Expired GB1411341A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2206633A DE2206633C3 (de) 1972-02-11 1972-02-11 Vorrichtung zur Identifizierung von Farben

Publications (1)

Publication Number Publication Date
GB1411341A true GB1411341A (en) 1975-10-22

Family

ID=5835784

Family Applications (1)

Application Number Title Priority Date Filing Date
GB645973A Expired GB1411341A (en) 1972-02-11 1973-02-09 Colour evaluation system

Country Status (6)

Country Link
US (1) US3809892A (enExample)
CH (1) CH559354A5 (enExample)
DE (1) DE2206633C3 (enExample)
FR (1) FR2171331B1 (enExample)
GB (1) GB1411341A (enExample)
IT (1) IT978661B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934136A (en) * 1974-05-06 1976-01-20 Minnesota Mining And Manufacturing Company Threshold signal circuitry for scanning apparatus
JPS51132832A (en) * 1975-05-13 1976-11-18 Fuji Photo Film Co Ltd Correction filters automatic control device
IT1068657B (it) * 1976-11-03 1985-03-21 Nuovo Pignone Spa Metodo perfezionato per il controllo di banconote ed apparecchiature per realizzarlo
GB2012418B (en) * 1978-01-16 1982-07-21 Hoffmann La Roche Spectrophotometer device
FR2507037B1 (fr) * 1981-06-01 1989-06-09 Canon Kk Appareil de lecture d'images en couleurs
JPS5848177A (ja) * 1981-09-18 1983-03-22 Toshiba Corp 特定色彩パタ−ンの検出装置
DE3933461A1 (de) * 1988-10-11 1990-04-26 Georg Diamantidis Elektronisches farberkennungssystem
DE3924320A1 (de) * 1989-07-22 1991-01-31 Wolfgang Dipl Ing Dipl Balzer Verfahren und vorrichtung fuer die analyse der longitudinalen modenstruktur eines lasers
FR2723637B1 (fr) * 1994-08-11 1996-10-25 Lux Technologies Sarl Dispositif pour analyser la couleur

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3060790A (en) * 1959-02-02 1962-10-30 Specialties Inc Colorimeter and color sorting apparatus
US3527540A (en) * 1967-05-08 1970-09-08 Itek Corp Color concentration discriminators
US3512893A (en) * 1967-12-18 1970-05-19 Du Pont Color difference meter
GB1214172A (en) * 1968-07-22 1970-12-02 Crosfield Electronics Ltd Improvements relating to image reproducing apparatus
US3572945A (en) * 1968-09-25 1971-03-30 Ibm Method and scanning apparatus for color separation and identification
GB1294351A (en) * 1969-05-23 1972-10-25 Crosfield Electronics Ltd Improvements relating to colour printing apparatus

Also Published As

Publication number Publication date
CH559354A5 (enExample) 1975-02-28
US3809892A (en) 1974-05-07
IT978661B (it) 1974-09-20
DE2206633A1 (de) 1973-08-23
DE2206633C3 (de) 1981-01-08
FR2171331B1 (enExample) 1977-04-22
DE2206633B2 (de) 1976-01-02
FR2171331A1 (enExample) 1973-09-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee