FR2515370A1 - Photographic negative density analysing machine - includes photodetectors receiving light through specified points determined by passing perforated template, of negative for store in memory - Google Patents

Photographic negative density analysing machine - includes photodetectors receiving light through specified points determined by passing perforated template, of negative for store in memory Download PDF

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Publication number
FR2515370A1
FR2515370A1 FR8119895A FR8119895A FR2515370A1 FR 2515370 A1 FR2515370 A1 FR 2515370A1 FR 8119895 A FR8119895 A FR 8119895A FR 8119895 A FR8119895 A FR 8119895A FR 2515370 A1 FR2515370 A1 FR 2515370A1
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FR
France
Prior art keywords
chassis
holes
memory
row
source
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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
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FR8119895A
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English (en)
French (fr)
Other versions
FR2515370B3 (enrdf_load_stackoverflow
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.)
PRIOX SA
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PRIOX SA
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 PRIOX SA filed Critical PRIOX SA
Priority to FR8119895A priority Critical patent/FR2515370A1/fr
Publication of FR2515370A1 publication Critical patent/FR2515370A1/fr
Application granted granted Critical
Publication of FR2515370B3 publication Critical patent/FR2515370B3/fr
Granted legal-status Critical Current

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    • 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
    • G03B27/735—Controlling exposure by variation of spectral composition, e.g. multicolor printers in dependence upon automatic analysis of the original

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
FR8119895A 1981-10-23 1981-10-23 Photographic negative density analysing machine - includes photodetectors receiving light through specified points determined by passing perforated template, of negative for store in memory Granted FR2515370A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8119895A FR2515370A1 (en) 1981-10-23 1981-10-23 Photographic negative density analysing machine - includes photodetectors receiving light through specified points determined by passing perforated template, of negative for store in memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8119895A FR2515370A1 (en) 1981-10-23 1981-10-23 Photographic negative density analysing machine - includes photodetectors receiving light through specified points determined by passing perforated template, of negative for store in memory

Publications (2)

Publication Number Publication Date
FR2515370A1 true FR2515370A1 (en) 1983-04-29
FR2515370B3 FR2515370B3 (enrdf_load_stackoverflow) 1984-07-20

Family

ID=9263309

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8119895A Granted FR2515370A1 (en) 1981-10-23 1981-10-23 Photographic negative density analysing machine - includes photodetectors receiving light through specified points determined by passing perforated template, of negative for store in memory

Country Status (1)

Country Link
FR (1) FR2515370A1 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990007728A1 (de) * 1988-12-29 1990-07-12 Durst Phototechnik Gmbh Gerät zum punktweisen ausmessen von farbigen kopiervorlagen
EP0420816A1 (de) * 1989-09-29 1991-04-03 Gretag Imaging Ag Belichtungssteuerungsverfahren und fotografisches Farbkopiergerät

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990007728A1 (de) * 1988-12-29 1990-07-12 Durst Phototechnik Gmbh Gerät zum punktweisen ausmessen von farbigen kopiervorlagen
US5128710A (en) * 1988-12-29 1992-07-07 Durst Phototechnik Gmbh Instrument for the point-by-point measuring of color originals to be copied
EP0420816A1 (de) * 1989-09-29 1991-04-03 Gretag Imaging Ag Belichtungssteuerungsverfahren und fotografisches Farbkopiergerät
US5036351A (en) * 1989-09-29 1991-07-30 Gretag Systems Exposure control process and photographic color copying apparatus

Also Published As

Publication number Publication date
FR2515370B3 (enrdf_load_stackoverflow) 1984-07-20

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)

Free format text: 17/83