FR1437302A - Boîte à lumière - Google Patents

Boîte à lumière

Info

Publication number
FR1437302A
FR1437302A FR22049A FR22049A FR1437302A FR 1437302 A FR1437302 A FR 1437302A FR 22049 A FR22049 A FR 22049A FR 22049 A FR22049 A FR 22049A FR 1437302 A FR1437302 A FR 1437302A
Authority
FR
France
Prior art keywords
light box
box
light
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
FR22049A
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing 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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Priority to FR22049A priority Critical patent/FR1437302A/fr
Application granted granted Critical
Publication of FR1437302A publication Critical patent/FR1437302A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • 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
    • G03B27/02—Exposure apparatus for contact printing
    • G03B27/04—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
FR22049A 1965-06-24 1965-06-24 Boîte à lumière Expired FR1437302A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR22049A FR1437302A (fr) 1965-06-24 1965-06-24 Boîte à lumière

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR22049A FR1437302A (fr) 1965-06-24 1965-06-24 Boîte à lumière

Publications (1)

Publication Number Publication Date
FR1437302A true FR1437302A (fr) 1966-04-29

Family

ID=8582930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR22049A Expired FR1437302A (fr) 1965-06-24 1965-06-24 Boîte à lumière

Country Status (1)

Country Link
FR (1) FR1437302A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0395171A1 (fr) * 1989-04-27 1990-10-31 van Putten, Simon Cornelis Armature d'éclairage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0395171A1 (fr) * 1989-04-27 1990-10-31 van Putten, Simon Cornelis Armature d'éclairage

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