FR786580A - Projecteur - Google Patents

Projecteur

Info

Publication number
FR786580A
FR786580A FR786580DA FR786580A FR 786580 A FR786580 A FR 786580A FR 786580D A FR786580D A FR 786580DA FR 786580 A FR786580 A FR 786580A
Authority
FR
France
Prior art keywords
projector
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.)
Ducellier et Cie
Original Assignee
Ducellier et Cie
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 Ducellier et Cie filed Critical Ducellier et Cie
Application granted granted Critical
Publication of FR786580A publication Critical patent/FR786580A/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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/09—Optical design with a combination of different curvatures

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR786580D 1935-02-15 1935-02-15 Projecteur Expired FR786580A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR786580T 1935-02-15

Publications (1)

Publication Number Publication Date
FR786580A true FR786580A (fr) 1935-09-05

Family

ID=9218460

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786580D Expired FR786580A (fr) 1935-02-15 1935-02-15 Projecteur

Country Status (1)

Country Link
FR (1) FR786580A (fr)

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