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FR834246A - Perfectionnements aux supports de projecteurs - Google Patents

Perfectionnements aux supports de projecteurs

Info

Publication number
FR834246A
FR834246A FR834246DA FR834246A FR 834246 A FR834246 A FR 834246A FR 834246D A FR834246D A FR 834246DA FR 834246 A FR834246 A FR 834246A
Authority
FR
France
Prior art keywords
projector supports
projector
supports
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)
Inventor
Andre Cremer
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 filed Critical
Application granted granted Critical
Publication of FR834246A publication Critical patent/FR834246A/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
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/06—Special arrangements of screening, diffusing, or reflecting devices, e.g. in studio
    • G03B15/07—Arrangements of lamps in studios

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR834246D 1938-02-25 1938-02-25 Perfectionnements aux supports de projecteurs Expired FR834246A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR834246T 1938-02-25

Publications (1)

Publication Number Publication Date
FR834246A true FR834246A (fr) 1938-11-16

Family

ID=9297001

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834246D Expired FR834246A (fr) 1938-02-25 1938-02-25 Perfectionnements aux supports de projecteurs

Country Status (1)

Country Link
FR (1) FR834246A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2668906A (en) * 1951-06-27 1954-02-09 Miller Philip Lamp shade stud support
US4742980A (en) * 1985-07-08 1988-05-10 Helmuth Heigl Positioning device for test heads

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2668906A (en) * 1951-06-27 1954-02-09 Miller Philip Lamp shade stud support
US4742980A (en) * 1985-07-08 1988-05-10 Helmuth Heigl Positioning device for test heads

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