FR2049709A5 - - Google Patents

Info

Publication number
FR2049709A5
FR2049709A5 FR7019937A FR7019937A FR2049709A5 FR 2049709 A5 FR2049709 A5 FR 2049709A5 FR 7019937 A FR7019937 A FR 7019937A FR 7019937 A FR7019937 A FR 7019937A FR 2049709 A5 FR2049709 A5 FR 2049709A5
Authority
FR
France
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
FR7019937A
Other languages
French (fr)
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of FR2049709A5 publication Critical patent/FR2049709A5/fr
Expired 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
    • G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
FR7019937A 1969-06-02 1970-06-01 Expired FR2049709A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82935669A 1969-06-02 1969-06-02

Publications (1)

Publication Number Publication Date
FR2049709A5 true FR2049709A5 (enExample) 1971-03-26

Family

ID=25254300

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7019937A Expired FR2049709A5 (enExample) 1969-06-02 1970-06-01

Country Status (4)

Country Link
CA (1) CA921151A (enExample)
DE (1) DE2027505A1 (enExample)
FR (1) FR2049709A5 (enExample)
GB (1) GB1304943A (enExample)

Also Published As

Publication number Publication date
DE2027505A1 (de) 1970-12-23
GB1304943A (enExample) 1973-01-31
CA921151A (en) 1973-02-13

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Legal Events

Date Code Title Description
ST Notification of lapse