FR579785A - Projecteur optique à grand rendement - Google Patents

Projecteur optique à grand rendement

Info

Publication number
FR579785A
FR579785A FR579785DA FR579785A FR 579785 A FR579785 A FR 579785A FR 579785D A FR579785D A FR 579785DA FR 579785 A FR579785 A FR 579785A
Authority
FR
France
Prior art keywords
high efficiency
optical projector
efficiency optical
projector
optical
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
Paul Brosse
Marc Hentsch
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 FR579785A publication Critical patent/FR579785A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/24—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments for lighting other areas than only the way ahead
    • B60Q1/245—Searchlights, e.g. adjustable from within the vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR579785D 1924-04-03 1924-04-03 Projecteur optique à grand rendement Expired FR579785A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR579785T 1924-04-03

Publications (1)

Publication Number Publication Date
FR579785A true FR579785A (fr) 1924-10-23

Family

ID=8956373

Family Applications (1)

Application Number Title Priority Date Filing Date
FR579785D Expired FR579785A (fr) 1924-04-03 1924-04-03 Projecteur optique à grand rendement

Country Status (1)

Country Link
FR (1) FR579785A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747935C (de) * 1938-02-17 1944-10-20 Elektrischer Fahrzeug-, insbesondere Kraftfahrzeugscheinwerfer
US2503500A (en) * 1944-12-20 1950-04-11 Clyde M Lowry Head lamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747935C (de) * 1938-02-17 1944-10-20 Elektrischer Fahrzeug-, insbesondere Kraftfahrzeugscheinwerfer
US2503500A (en) * 1944-12-20 1950-04-11 Clyde M Lowry Head lamp

Similar Documents

Publication Publication Date Title
FR579785A (fr) Projecteur optique à grand rendement
FR589856A (fr) Tubes à décharge à lumière positive
CH113393A (de) Photographisches Objektiv.
FR567285A (fr) Objectif photographique
FR651044A (fr) Projecteur de lumière
FR590651A (fr) Objectif photographique
FR590649A (fr) Objectif photographique
FR596060A (fr) Objectif photographique
FR590650A (fr) Objectif photographique
FR558986A (fr) Objectif bi-projecteur
FR611102A (fr) Système optique à haut rendement
FR701334A (fr) Objectif à forte luminosité
FR648624A (fr) Jumelie optique
FR672417A (fr) Objectif photographique
FR592838A (fr) Pyromètre optique
FR602697A (fr) Propulseur économique à grand rendement
FR679989A (fr) Perfectionnements aux phares à faisceau lumineux
FR593855A (fr) Perfectionnements aux objectifs photographiques
FR604459A (fr) Pyromètre optique
FR671331A (fr) Projecteurs de lumière
FR620965A (fr) Perfectionnements à la projection optique
FR717176A (fr) Objectif photographique à trois lentilles
FR561971A (fr) Obturateur photographique
FR568566A (fr) Obturateur photographique
FR614193A (fr) Perfectionnements aux lentilles optiques