DE247947C - - Google Patents

Info

Publication number
DE247947C
DE247947C DENDAT247947D DE247947DA DE247947C DE 247947 C DE247947 C DE 247947C DE NDAT247947 D DENDAT247947 D DE NDAT247947D DE 247947D A DE247947D A DE 247947DA DE 247947 C DE247947 C DE 247947C
Authority
DE
Germany
Prior art keywords
reflector
outer reflector
light
hgf
leave
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.)
Active
Application number
DENDAT247947D
Other languages
German (de)
English (en)
Publication of DE247947C publication Critical patent/DE247947C/de
Active 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)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
DENDAT247947D Active DE247947C (cs)

Publications (1)

Publication Number Publication Date
DE247947C true DE247947C (cs)

Family

ID=506697

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT247947D Active DE247947C (cs)

Country Status (1)

Country Link
DE (1) DE247947C (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2653030A1 (de) * 1975-11-25 1977-06-02 Lampes Sa Reflektor
US4174533A (en) * 1976-10-21 1979-11-13 Compagnie Des Lampes, Societe Anonyme Waveflux concentration reflector
EP0453666A1 (en) * 1990-04-23 1991-10-30 Powertech Industries (Proprietary) Limited Luminaires

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2653030A1 (de) * 1975-11-25 1977-06-02 Lampes Sa Reflektor
US4174533A (en) * 1976-10-21 1979-11-13 Compagnie Des Lampes, Societe Anonyme Waveflux concentration reflector
EP0453666A1 (en) * 1990-04-23 1991-10-30 Powertech Industries (Proprietary) Limited Luminaires

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