DE3701839C2 - - Google Patents

Info

Publication number
DE3701839C2
DE3701839C2 DE3701839A DE3701839A DE3701839C2 DE 3701839 C2 DE3701839 C2 DE 3701839C2 DE 3701839 A DE3701839 A DE 3701839A DE 3701839 A DE3701839 A DE 3701839A DE 3701839 C2 DE3701839 C2 DE 3701839C2
Authority
DE
Germany
Prior art keywords
parabolas
optical axis
reflector
sections
axes
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 - Lifetime
Application number
DE3701839A
Other languages
German (de)
English (en)
Other versions
DE3701839A1 (de
Inventor
Franz Josef Dipl.-Ing. 4834 Harsewinkel De Kalze
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
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 Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Priority to DE19873701839 priority Critical patent/DE3701839A1/de
Publication of DE3701839A1 publication Critical patent/DE3701839A1/de
Application granted granted Critical
Publication of DE3701839C2 publication Critical patent/DE3701839C2/de
Granted 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
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/30—Elongate light sources, e.g. fluorescent tubes curved
    • F21Y2103/37—U-shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DE19873701839 1987-01-23 1987-01-23 Deckenleuchte, insbesondere fuer wohn- und arbeitsraeume Granted DE3701839A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873701839 DE3701839A1 (de) 1987-01-23 1987-01-23 Deckenleuchte, insbesondere fuer wohn- und arbeitsraeume

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873701839 DE3701839A1 (de) 1987-01-23 1987-01-23 Deckenleuchte, insbesondere fuer wohn- und arbeitsraeume

Publications (2)

Publication Number Publication Date
DE3701839A1 DE3701839A1 (de) 1988-08-04
DE3701839C2 true DE3701839C2 (enrdf_load_stackoverflow) 1992-07-30

Family

ID=6319329

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873701839 Granted DE3701839A1 (de) 1987-01-23 1987-01-23 Deckenleuchte, insbesondere fuer wohn- und arbeitsraeume

Country Status (1)

Country Link
DE (1) DE3701839A1 (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312200A1 (de) * 1983-04-02 1984-10-04 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Leuchte zum grossflaechigen und gleichmaessigen ausleuchten von wohn- und arbeitsraeumen oder dergleichen

Also Published As

Publication number Publication date
DE3701839A1 (de) 1988-08-04

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8120 Willingness to grant licences paragraph 23
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee