FR2231958A1 - Primary or secondary light source - has device for determination of their colour components or coordinates in terms of international standard X-Y-Z system - Google Patents

Primary or secondary light source - has device for determination of their colour components or coordinates in terms of international standard X-Y-Z system

Info

Publication number
FR2231958A1
FR2231958A1 FR7418053A FR7418053A FR2231958A1 FR 2231958 A1 FR2231958 A1 FR 2231958A1 FR 7418053 A FR7418053 A FR 7418053A FR 7418053 A FR7418053 A FR 7418053A FR 2231958 A1 FR2231958 A1 FR 2231958A1
Authority
FR
France
Prior art keywords
colour
coordinates
values
determination
primary
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
FR7418053A
Other languages
English (en)
French (fr)
Other versions
FR2231958B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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.)
Magyar Tudomanyos Akademia
Original Assignee
Magyar Tudomanyos Akademia
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 Magyar Tudomanyos Akademia filed Critical Magyar Tudomanyos Akademia
Publication of FR2231958A1 publication Critical patent/FR2231958A1/fr
Application granted granted Critical
Publication of FR2231958B3 publication Critical patent/FR2231958B3/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06GANALOGUE COMPUTERS
    • G06G7/00Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/75Analogue computers for specific processes, systems or devices, e.g. simulators for component analysis, e.g. of mixtures, of colours
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/51Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/465Measurement of colour; Colour measuring devices, e.g. colorimeters taking into account the colour perception of the eye; using tristimulus detection
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/51Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • G01J3/513Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters having fixed filter-detector pairs

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Color Image Communication Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
FR7418053A 1973-05-28 1974-05-24 Primary or secondary light source - has device for determination of their colour components or coordinates in terms of international standard X-Y-Z system Granted FR2231958A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUMA2478A HU168258B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-05-28 1973-05-28

Publications (2)

Publication Number Publication Date
FR2231958A1 true FR2231958A1 (en) 1974-12-27
FR2231958B3 FR2231958B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-06-25

Family

ID=10998656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7418053A Granted FR2231958A1 (en) 1973-05-28 1974-05-24 Primary or secondary light source - has device for determination of their colour components or coordinates in terms of international standard X-Y-Z system

Country Status (4)

Country Link
DD (1) DD111736A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2424545A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2231958A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HU (1) HU168258B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987003470A1 (fr) * 1985-12-13 1987-06-18 Bertin & Cie Procede et dispositif de determination de la couleur, en particulier d'une prothese dentaire

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3217227C2 (de) * 1981-05-08 1986-11-27 Omron Tateisi Electronics Co., Kyoto Farbfeststellungsvorrichtung
JPS57184937A (en) * 1981-05-08 1982-11-13 Omron Tateisi Electronics Co Color discriminating element
DE3428364A1 (de) * 1984-08-01 1986-02-06 Ingenieurbüro Rudolf Weber KG, 6100 Darmstadt Farberkennungsanordnung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987003470A1 (fr) * 1985-12-13 1987-06-18 Bertin & Cie Procede et dispositif de determination de la couleur, en particulier d'une prothese dentaire
FR2591470A1 (fr) * 1985-12-13 1987-06-19 Bertin & Cie Procede et dispositif de determination de la couleur, en particulier d'une prothese dentaire
US4836674A (en) * 1985-12-13 1989-06-06 Bertin & Cie Method and apparatus for determining color, in particular of a dental prosthesis

Also Published As

Publication number Publication date
FR2231958B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-06-25
HU168258B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-03-28
DD111736A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-03-05
DE2424545A1 (de) 1975-01-02

Similar Documents

Publication Publication Date Title
JPS57132015A (en) Coordinate transformation device
EP0473877A3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR920010750A (ko) 압력게이지 출력의 자동교정(自動較正)을 가지는 진공처리장치
FR2231958A1 (en) Primary or secondary light source - has device for determination of their colour components or coordinates in terms of international standard X-Y-Z system
KR880701929A (ko) 2선식 송신기의 출력향상용 디지탈 변환기 장치
AT353022B (de) Vorrichtung zur messung eines winkels
CA1024175A (en) Zero indicator for plural scale systems
GB925782A (en) Highly sensitive exposure meter
GB1600879A (en) Input circuits for instrument amplifiers
DE69110069D1 (de) Vorrichtung zur Messung der Mahlbarkeit eines Pulvers.
JPS5444735A (en) Leak detector with leak indicator
JPS5682413A (en) Counter circuit of digital measuring instrument
JPS51139381A (en) System of measuring and calculating spectral colors
SU574609A1 (ru) Устройство дл регистрации показаний стрелочных приборов
JPS51138486A (en) Temperature detecting circuit
SU1367154A1 (ru) Способ преобразовани аналоговых сигналов в цифровой код с коррекцией результата
JPS5355057A (en) Measuring apparatus of multipoint temperature
JPS55131736A (en) Temperature measuring device
JPS53143289A (en) Semiconductor radiation measuring instrument
JPS5594116A (en) Vibration measuring apparatus
JPS535608A (en) Hunting characteristic measurement device
JPS5687876A (en) Automatic testing and calibrating device for electric indicating instrument
JPS5614117A (en) Flow rate measuring instrument
JPS52127276A (en) Temperature compensation circuit for presure transmitter
GB1248954A (en) Electronic digital converter and read-out unit