FR2457514A1 - Procede et dispositif pour determiner l'equilibrage de couleurs d'un papier d'impression photographique - Google Patents

Procede et dispositif pour determiner l'equilibrage de couleurs d'un papier d'impression photographique

Info

Publication number
FR2457514A1
FR2457514A1 FR7905221A FR7905221A FR2457514A1 FR 2457514 A1 FR2457514 A1 FR 2457514A1 FR 7905221 A FR7905221 A FR 7905221A FR 7905221 A FR7905221 A FR 7905221A FR 2457514 A1 FR2457514 A1 FR 2457514A1
Authority
FR
France
Prior art keywords
colors
balance
determining
test
printing paper
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.)
Withdrawn
Application number
FR7905221A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2457514A1 publication Critical patent/FR2457514A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

L'INVENTION CONCERNE UN APPAREIL A UTILISER AVEC UNE EPREUVE PHOTOGRAPHIQUE EN COULEURS ET UN INSTRUMENT POUR MESURER DES DENSITES DE REFLEXION EN DES POINTS CHOISIS DE L'EPREUVE. SELON L'INVENTION, IL COMPREND UN MOYEN 142, 146 POUR MAINTENIR L'EPREUVE EN POSITION FIXE AVEC DES IMAGES SUR L'EPREUVE PLACEES A UNE DISTANCE PREDETERMINEE D'UNE LIGNE DE REFERENCE; ET UN MOYEN 150, 152, 168, 170 POUR MESURER LE DEPLACEMENT RELATIF DES POINTS D'UNE DENSITE CONNUE SUR LES IMAGES PAR RAPPORT A LA LIGNE DE REFERENCE. L'INVENTION S'APPLIQUE NOTAMMENT A LA PHOTOGRAPHIE EN COULEURS.
FR7905221A 1977-07-05 1979-02-28 Procede et dispositif pour determiner l'equilibrage de couleurs d'un papier d'impression photographique Withdrawn FR2457514A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/812,808 US4166701A (en) 1977-07-05 1977-07-05 Method and apparatus for ascertaining color balance of photographic printing paper

Publications (1)

Publication Number Publication Date
FR2457514A1 true FR2457514A1 (fr) 1980-12-19

Family

ID=25210686

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7814808A Withdrawn FR2434413A1 (fr) 1977-07-05 1978-05-18 Procede et dispositif pour determiner l'equilibrage de couleurs d'un papier d'impression photographique
FR7905221A Withdrawn FR2457514A1 (fr) 1977-07-05 1979-02-28 Procede et dispositif pour determiner l'equilibrage de couleurs d'un papier d'impression photographique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR7814808A Withdrawn FR2434413A1 (fr) 1977-07-05 1978-05-18 Procede et dispositif pour determiner l'equilibrage de couleurs d'un papier d'impression photographique

Country Status (5)

Country Link
US (1) US4166701A (fr)
JP (1) JPS5414737A (fr)
DE (1) DE2821732A1 (fr)
FR (2) FR2434413A1 (fr)
GB (2) GB1587322A (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2911567A1 (de) * 1979-03-23 1980-10-09 Agfa Gevaert Ag Verfahren zur ueberpruefung des betriebszustandes einer kopiervorrichtung und der nachgeschalteten entwicklungsvorrichtung
IT1137965B (it) * 1981-06-29 1986-09-10 Ofotert Optikai Finommechanika Procedimento e dispositivo per ingrandire immagini su carta,cromaticamente conformi,con un metodo additivo
US4468123A (en) * 1982-05-26 1984-08-28 Miller Bertram W Method and apparatus for ascertaining color balance of photographic printing paper
US4603967A (en) * 1983-03-11 1986-08-05 Virtanen John T Rotary-disc test printing easel
JPH0414749Y2 (fr) * 1985-02-14 1992-04-02
DE3631449A1 (de) * 1986-09-16 1988-04-14 Brodhag Angelika Belichtungsauswertegeraet fuer fotografische positivvorlagen
GB9013087D0 (en) * 1990-06-12 1990-08-01 Gan Chiu L Photographic exposure control
US5406325A (en) * 1992-07-06 1995-04-11 Eastman Kodak Company Method and apparatus for forming a source-independent image data metric from second generation photographic films
US5440365A (en) * 1993-10-14 1995-08-08 Eastman Kodak Company Photosensitive material processor
US5598272A (en) * 1994-04-07 1997-01-28 Imation, Inc. Visual calibrator for color halftone imaging
US5612903A (en) * 1995-02-01 1997-03-18 Miller; Bertram W. Process for obtaining balanced color prints
US5649260A (en) * 1995-06-26 1997-07-15 Eastman Kodak Company Automated photofinishing apparatus
JP4164336B2 (ja) * 2002-11-12 2008-10-15 キヤノン株式会社 画像濃度確認チャート及び画像濃度確認方法
CN112945867B (zh) * 2021-02-03 2023-07-07 中国测试技术研究院 反射式灰阶测试卡测量系统及方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3685900A (en) * 1970-02-12 1972-08-22 Kms Ind Inc Exposure calculator and filter device for darkroom color photography
CA969400A (en) * 1971-12-08 1975-06-17 Simon Ratowsky Printing of colour photographs

Also Published As

Publication number Publication date
GB1587322A (en) 1981-04-01
FR2434413A1 (fr) 1980-03-21
DE2821732A1 (de) 1979-01-25
JPS5414737A (en) 1979-02-03
US4166701A (en) 1979-09-04
GB1587323A (en) 1981-04-01

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Legal Events

Date Code Title Description
ST Notification of lapse