FR524282A - Projector lanterns - Google Patents

Projector lanterns

Info

Publication number
FR524282A
FR524282A FR524282A FR524282DA FR524282A FR 524282 A FR524282 A FR 524282A FR 524282 A FR524282 A FR 524282A FR 524282D A FR524282D A FR 524282DA FR 524282 A FR524282 A FR 524282A
Authority
FR
France
Prior art keywords
lanterns
projector
projector lanterns
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
FR524282A
Other languages
French (fr)
Inventor
Christian Edward Fink
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR524282A publication Critical patent/FR524282A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • F21V7/09Optical design with a combination of different curvatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR524282A 1920-09-16 1920-09-16 Projector lanterns Expired FR524282A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR524282T 1920-09-16

Publications (1)

Publication Number Publication Date
FR524282A true FR524282A (en) 1921-09-01

Family

ID=8919194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR524282A Expired FR524282A (en) 1920-09-16 1920-09-16 Projector lanterns

Country Status (1)

Country Link
FR (1) FR524282A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045100A (en) * 1958-06-06 1962-07-17 Reflectotherm Inc Ultra-long infra-red heat ray emitter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045100A (en) * 1958-06-06 1962-07-17 Reflectotherm Inc Ultra-long infra-red heat ray emitter

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