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FR1150514A - Improvements to reproduction devices for photography and analog applications - Google Patents

Improvements to reproduction devices for photography and analog applications

Info

Publication number
FR1150514A
FR1150514A FR1150514DA FR1150514A FR 1150514 A FR1150514 A FR 1150514A FR 1150514D A FR1150514D A FR 1150514DA FR 1150514 A FR1150514 A FR 1150514A
Authority
FR
France
Prior art keywords
photography
reproduction devices
analog applications
analog
applications
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
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.)
Bouzard & Fils
Original Assignee
Bouzard & Fils
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 Bouzard & Fils filed Critical Bouzard & Fils
Application granted granted Critical
Publication of FR1150514A publication Critical patent/FR1150514A/en
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
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard
    • 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
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/34—Means for automatic focusing therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1150514D 1956-05-09 1956-05-09 Improvements to reproduction devices for photography and analog applications Expired FR1150514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1150514T 1956-05-09

Publications (1)

Publication Number Publication Date
FR1150514A true FR1150514A (en) 1958-01-15

Family

ID=9647369

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1150514D Expired FR1150514A (en) 1956-05-09 1956-05-09 Improvements to reproduction devices for photography and analog applications

Country Status (1)

Country Link
FR (1) FR1150514A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476864A1 (en) * 1980-02-25 1981-08-28 Dainippon Screen Mfg METHOD AND DEVICE FOR AUTOMATIC FOCUSING IN A VARIABLE-GROWTH PROJECTION SYSTEM

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2476864A1 (en) * 1980-02-25 1981-08-28 Dainippon Screen Mfg METHOD AND DEVICE FOR AUTOMATIC FOCUSING IN A VARIABLE-GROWTH PROJECTION SYSTEM

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