FR938518A - Optical system for a microfilm machine - Google Patents

Optical system for a microfilm machine

Info

Publication number
FR938518A
FR938518A FR938518DA FR938518A FR 938518 A FR938518 A FR 938518A FR 938518D A FR938518D A FR 938518DA FR 938518 A FR938518 A FR 938518A
Authority
FR
France
Prior art keywords
optical system
microfilm machine
microfilm
machine
optical
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.)
Diebold Nixdorf Inc
Original Assignee
Diebold Inc
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 Diebold Inc filed Critical Diebold Inc
Application granted granted Critical
Publication of FR938518A publication Critical patent/FR938518A/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/522—Projection optics
    • G03B27/525—Projection optics for slit exposure
    • G03B27/528—Projection optics for slit exposure in which the projection optics remain stationary
FR938518D 1945-05-15 1946-12-13 Optical system for a microfilm machine Expired FR938518A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US938518XA 1945-05-15 1945-05-15

Publications (1)

Publication Number Publication Date
FR938518A true FR938518A (en) 1948-10-18

Family

ID=22241204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR938518D Expired FR938518A (en) 1945-05-15 1946-12-13 Optical system for a microfilm machine

Country Status (1)

Country Link
FR (1) FR938518A (en)

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