FR609676A - Tireuse à mise au point automatique - Google Patents

Tireuse à mise au point automatique

Info

Publication number
FR609676A
FR609676A FR609676DA FR609676A FR 609676 A FR609676 A FR 609676A FR 609676D A FR609676D A FR 609676DA FR 609676 A FR609676 A FR 609676A
Authority
FR
France
Prior art keywords
autofocus
printer
autofocus printer
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
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.)
Cros & Co
Original Assignee
Cros & 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 Cros & Co filed Critical Cros & Co
Application granted granted Critical
Publication of FR609676A publication Critical patent/FR609676A/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
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/34—Means for automatic focusing therefor
    • G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage
    • G03B27/38—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage embodying screws with non-uniform pitch

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR609676D 1925-04-25 1925-04-25 Tireuse à mise au point automatique Expired FR609676A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR609676T 1925-04-25

Publications (1)

Publication Number Publication Date
FR609676A true FR609676A (fr) 1926-08-19

Family

ID=8976871

Family Applications (1)

Application Number Title Priority Date Filing Date
FR609676D Expired FR609676A (fr) 1925-04-25 1925-04-25 Tireuse à mise au point automatique

Country Status (1)

Country Link
FR (1) FR609676A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572992A (en) * 1948-09-07 1951-10-30 Carl L Doornbos Automatic focus reducer and copying camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572992A (en) * 1948-09-07 1951-10-30 Carl L Doornbos Automatic focus reducer and copying camera

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