FR1026131A - éclairage automatique lors de la mise en place du film dans une visionneuse - Google Patents

éclairage automatique lors de la mise en place du film dans une visionneuse

Info

Publication number
FR1026131A
FR1026131A FR1026131DA FR1026131A FR 1026131 A FR1026131 A FR 1026131A FR 1026131D A FR1026131D A FR 1026131DA FR 1026131 A FR1026131 A FR 1026131A
Authority
FR
France
Prior art keywords
viewer
placing
film
automatic lighting
lighting
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.)
MURAY
Original Assignee
MURAY
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 MURAY filed Critical MURAY
Application granted granted Critical
Publication of FR1026131A publication Critical patent/FR1026131A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus
    • G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1026131D 1950-10-19 1950-10-19 éclairage automatique lors de la mise en place du film dans une visionneuse Expired FR1026131A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1026131T 1950-10-19

Publications (1)

Publication Number Publication Date
FR1026131A true FR1026131A (fr) 1953-04-23

Family

ID=9579915

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1026131D Expired FR1026131A (fr) 1950-10-19 1950-10-19 éclairage automatique lors de la mise en place du film dans une visionneuse

Country Status (1)

Country Link
FR (1) FR1026131A (fr)

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