DE2940902C2 - - Google Patents

Info

Publication number
DE2940902C2
DE2940902C2 DE19792940902 DE2940902A DE2940902C2 DE 2940902 C2 DE2940902 C2 DE 2940902C2 DE 19792940902 DE19792940902 DE 19792940902 DE 2940902 A DE2940902 A DE 2940902A DE 2940902 C2 DE2940902 C2 DE 2940902C2
Authority
DE
Germany
Prior art keywords
section
reflector
elliptical
equation
ceiling lamp
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
DE19792940902
Other languages
German (de)
English (en)
Other versions
DE2940902A1 (de
Inventor
Rudolf 8000 Muenchen De Krieg
Wolfgang Dr.-Ing. 8023 Pullach De Lehmann
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority to DE19792940902 priority Critical patent/DE2940902A1/de
Publication of DE2940902A1 publication Critical patent/DE2940902A1/de
Application granted granted Critical
Publication of DE2940902C2 publication Critical patent/DE2940902C2/de
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)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
DE19792940902 1979-10-09 1979-10-09 Deckenleuchte zur gleichmaessigen ausleuchtung einer wand im verbund mit nachbarleuchten Granted DE2940902A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19792940902 DE2940902A1 (de) 1979-10-09 1979-10-09 Deckenleuchte zur gleichmaessigen ausleuchtung einer wand im verbund mit nachbarleuchten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792940902 DE2940902A1 (de) 1979-10-09 1979-10-09 Deckenleuchte zur gleichmaessigen ausleuchtung einer wand im verbund mit nachbarleuchten

Publications (2)

Publication Number Publication Date
DE2940902A1 DE2940902A1 (de) 1981-04-23
DE2940902C2 true DE2940902C2 (enrdf_load_stackoverflow) 1991-09-12

Family

ID=6083074

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792940902 Granted DE2940902A1 (de) 1979-10-09 1979-10-09 Deckenleuchte zur gleichmaessigen ausleuchtung einer wand im verbund mit nachbarleuchten

Country Status (1)

Country Link
DE (1) DE2940902A1 (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1756084A (en) * 1928-03-07 1930-04-29 Martha W Caughlan Reflector
US2316546A (en) * 1940-05-31 1943-04-13 Rambusch Decorating Company Lighting apparatus
US4027151A (en) * 1975-11-18 1977-05-31 Crouse-Hinds Company Luminaire and reflector therefor

Also Published As

Publication number Publication date
DE2940902A1 (de) 1981-04-23

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Legal Events

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