FR1490116A - Perfectionnements apportés aux fenêtres optiques de projection - Google Patents

Perfectionnements apportés aux fenêtres optiques de projection

Info

Publication number
FR1490116A
FR1490116A FR73643A FR73643A FR1490116A FR 1490116 A FR1490116 A FR 1490116A FR 73643 A FR73643 A FR 73643A FR 73643 A FR73643 A FR 73643A FR 1490116 A FR1490116 A FR 1490116A
Authority
FR
France
Prior art keywords
optical projection
projection windows
windows
optical
projection
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
FR73643A
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.)
Newman and Guardia Ltd
Original Assignee
Newman and Guardia Ltd
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 Newman and Guardia Ltd filed Critical Newman and Guardia Ltd
Priority to FR73643A priority Critical patent/FR1490116A/fr
Application granted granted Critical
Publication of FR1490116A publication Critical patent/FR1490116A/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
    • G03B27/46—Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers
    • G03B27/475—Projection printing apparatus, e.g. enlarger, copying camera for automatic sequential copying of different originals, e.g. enlargers, roll film printers copying cinematographic film
    • 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
    • G03B1/00—Film strip handling
    • G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
    • 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
    • G03B1/00—Film strip handling
    • G03B1/56—Threading; Loop forming

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR73643A 1966-08-19 1966-08-19 Perfectionnements apportés aux fenêtres optiques de projection Expired FR1490116A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR73643A FR1490116A (fr) 1966-08-19 1966-08-19 Perfectionnements apportés aux fenêtres optiques de projection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR73643A FR1490116A (fr) 1966-08-19 1966-08-19 Perfectionnements apportés aux fenêtres optiques de projection

Publications (1)

Publication Number Publication Date
FR1490116A true FR1490116A (fr) 1967-07-28

Family

ID=8615698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR73643A Expired FR1490116A (fr) 1966-08-19 1966-08-19 Perfectionnements apportés aux fenêtres optiques de projection

Country Status (1)

Country Link
FR (1) FR1490116A (fr)

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