FR2439940B1 - - Google Patents

Info

Publication number
FR2439940B1
FR2439940B1 FR7830604A FR7830604A FR2439940B1 FR 2439940 B1 FR2439940 B1 FR 2439940B1 FR 7830604 A FR7830604 A FR 7830604A FR 7830604 A FR7830604 A FR 7830604A FR 2439940 B1 FR2439940 B1 FR 2439940B1
Authority
FR
France
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
FR7830604A
Other languages
French (fr)
Other versions
FR2439940A1 (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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Priority to FR7830604A priority Critical patent/FR2439940A1/fr
Priority to EP79400730A priority patent/EP0011521A1/fr
Priority to MX17966279A priority patent/MX148058A/es
Priority to MA18819A priority patent/MA18619A1/fr
Priority to ES485436A priority patent/ES485436A1/es
Priority to DK452179A priority patent/DK452179A/da
Publication of FR2439940A1 publication Critical patent/FR2439940A1/fr
Application granted granted Critical
Publication of FR2439940B1 publication Critical patent/FR2439940B1/fr
Granted 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)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
FR7830604A 1978-10-27 1978-10-27 Dispositif optique permettant un controle rigoureux des luminances avec un rendement eleve et appareil d'eclairage comportant un tel dispositif Granted FR2439940A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7830604A FR2439940A1 (fr) 1978-10-27 1978-10-27 Dispositif optique permettant un controle rigoureux des luminances avec un rendement eleve et appareil d'eclairage comportant un tel dispositif
EP79400730A EP0011521A1 (fr) 1978-10-27 1979-10-10 Dispositif optique permettant un contrôle rigoureux des luminances avec un rendement élevé et appareil d'éclairage comportant un tel dispositif
MX17966279A MX148058A (es) 1978-10-27 1979-10-17 Mejoras a aparato de alumbrado para iluminacion de alto rendimiento
MA18819A MA18619A1 (fr) 1978-10-27 1979-10-19 Dispositif optique permettant un controle rigoureux des luminances avec un rendement eleve et appareil d'eclairage comportant un tel dispositif
ES485436A ES485436A1 (es) 1978-10-27 1979-10-26 Dispositivo optico que permite un riguroso control de las luminancias con rendimiento elevado
DK452179A DK452179A (da) 1978-10-27 1979-10-26 Belysningsarmatur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7830604A FR2439940A1 (fr) 1978-10-27 1978-10-27 Dispositif optique permettant un controle rigoureux des luminances avec un rendement eleve et appareil d'eclairage comportant un tel dispositif

Publications (2)

Publication Number Publication Date
FR2439940A1 FR2439940A1 (fr) 1980-05-23
FR2439940B1 true FR2439940B1 (da) 1982-04-02

Family

ID=9214237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830604A Granted FR2439940A1 (fr) 1978-10-27 1978-10-27 Dispositif optique permettant un controle rigoureux des luminances avec un rendement eleve et appareil d'eclairage comportant un tel dispositif

Country Status (6)

Country Link
EP (1) EP0011521A1 (da)
DK (1) DK452179A (da)
ES (1) ES485436A1 (da)
FR (1) FR2439940A1 (da)
MA (1) MA18619A1 (da)
MX (1) MX148058A (da)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE753691C (de) * 1940-05-17 1953-01-19 Schanzenbach & Co G M B H Breitstrahl-Spiegelreflektor
GB543663A (en) * 1940-12-04 1942-03-06 Robert Richard Hoare Improvements in adjustable reflectors for electric lamps
US2599285A (en) * 1948-10-06 1952-06-03 Gen Electric Ovate roadway reflector
DE1597993A1 (de) * 1967-08-16 1970-10-08 Siemens Ag Leuchte fuer eine Quecksilberdampf-Hochdrucklampe mit zwei gekruemmten stirnseitigen Spiegeln

Also Published As

Publication number Publication date
MX148058A (es) 1983-03-09
DK452179A (da) 1980-04-28
EP0011521A1 (fr) 1980-05-28
MA18619A1 (fr) 1980-07-01
ES485436A1 (es) 1980-05-16
FR2439940A1 (fr) 1980-05-23

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Legal Events

Date Code Title Description
ST Notification of lapse