FR1064083A - Optical device with open plane flame - Google Patents

Optical device with open plane flame

Info

Publication number
FR1064083A
FR1064083A FR1064083DA FR1064083A FR 1064083 A FR1064083 A FR 1064083A FR 1064083D A FR1064083D A FR 1064083DA FR 1064083 A FR1064083 A FR 1064083A
Authority
FR
France
Prior art keywords
optical device
open plane
plane flame
flame
open
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
French (fr)
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.)
Svenska AB Gasaccumulator
Original Assignee
Svenska AB Gasaccumulator
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 Svenska AB Gasaccumulator filed Critical Svenska AB Gasaccumulator
Application granted granted Critical
Publication of FR1064083A publication Critical patent/FR1064083A/en
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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1064083D 1951-10-05 1952-10-03 Optical device with open plane flame Expired FR1064083A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1064083X 1951-10-05

Publications (1)

Publication Number Publication Date
FR1064083A true FR1064083A (en) 1954-05-11

Family

ID=20419501

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1064083D Expired FR1064083A (en) 1951-10-05 1952-10-03 Optical device with open plane flame

Country Status (1)

Country Link
FR (1) FR1064083A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026099B (en) * 1954-12-21 1958-03-13 Lytax Werke G M B H Process to achieve the greatest possible light output in projection devices and the like. like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1026099B (en) * 1954-12-21 1958-03-13 Lytax Werke G M B H Process to achieve the greatest possible light output in projection devices and the like. like

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