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FR769255A - Projecteur à foyer lumineux masqué - Google Patents

Projecteur à foyer lumineux masqué

Info

Publication number
FR769255A
FR769255A FR769255DA FR769255A FR 769255 A FR769255 A FR 769255A FR 769255D A FR769255D A FR 769255DA FR 769255 A FR769255 A FR 769255A
Authority
FR
France
Prior art keywords
hidden light
light spotlight
spotlight
hidden
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
Other languages
English (en)
Inventor
Louis Guicherd
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 FR769255A publication Critical patent/FR769255A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR769255D 1933-05-19 1933-05-19 Projecteur à foyer lumineux masqué Expired FR769255A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR769255T 1933-05-19

Publications (1)

Publication Number Publication Date
FR769255A true FR769255A (fr) 1934-08-23

Family

ID=9184677

Family Applications (1)

Application Number Title Priority Date Filing Date
FR769255D Expired FR769255A (fr) 1933-05-19 1933-05-19 Projecteur à foyer lumineux masqué

Country Status (1)

Country Link
FR (1) FR769255A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013241B (de) * 1953-10-15 1957-08-08 Meiners Optical Devices Ltd Fadenbeleuchtungsvorrichtung fuer Textilmaschinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1013241B (de) * 1953-10-15 1957-08-08 Meiners Optical Devices Ltd Fadenbeleuchtungsvorrichtung fuer Textilmaschinen

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