FR708863A - Réflecteur composite - Google Patents

Réflecteur composite

Info

Publication number
FR708863A
FR708863A FR708863DA FR708863A FR 708863 A FR708863 A FR 708863A FR 708863D A FR708863D A FR 708863DA FR 708863 A FR708863 A FR 708863A
Authority
FR
France
Prior art keywords
composite reflector
reflector
composite
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR708863A publication Critical patent/FR708863A/fr
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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/06—Optical design with parabolic curvature

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR708863D 1930-02-27 1931-01-05 Réflecteur composite Expired FR708863A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL708863X 1930-02-27

Publications (1)

Publication Number Publication Date
FR708863A true FR708863A (fr) 1931-07-29

Family

ID=19812147

Family Applications (1)

Application Number Title Priority Date Filing Date
FR708863D Expired FR708863A (fr) 1930-02-27 1931-01-05 Réflecteur composite

Country Status (1)

Country Link
FR (1) FR708863A (fr)

Similar Documents

Publication Publication Date Title
FR708863A (fr) Réflecteur composite
FR707313A (fr) Lanterne
FR39072E (fr) Fourneau-chaudière
FR698766A (fr) Filmpack
FR693680A (fr) Abat-jour
ES243Y (es) Alpargata reforzada
CA8634S (fr) Étui
CA8635S (fr) Étui
GR2649B (el) Κανδυλιθρα λουμινιων.
DK44482C (da) Lampeskærm.
FR38202E (fr) Mélangeur-diviseur
FR703123A (fr) Hourdis-coffrage
FR708753A (fr) Poincon-mandrineur
FR717561A (fr) Cantre
FR721135A (fr) Chemise-culotte
FI13107A (fi) Barkningsmaskin
FI13098A (fi) Snabbgående vattenfarkost
FI12749A (fi) Gatlykta
FI12756A (fi) Eldstadsbotten
FI13147A (fi) Mätkanna
FI12775A (fi) Fordonsfjäder
FI12824A (fi) Dubbelgasbrännare
FI12830A (fi) Genomföringsströmtransformator enligt manteltyp
FI12832A (fi) Evakueringspump
FI12846A (fi) Velocipedställning