DE3531955C2 - - Google Patents

Info

Publication number
DE3531955C2
DE3531955C2 DE3531955A DE3531955A DE3531955C2 DE 3531955 C2 DE3531955 C2 DE 3531955C2 DE 3531955 A DE3531955 A DE 3531955A DE 3531955 A DE3531955 A DE 3531955A DE 3531955 C2 DE3531955 C2 DE 3531955C2
Authority
DE
Germany
Prior art keywords
ellipse
light
minor axis
arc
cylindrical lenses
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
DE3531955A
Other languages
German (de)
English (en)
Other versions
DE3531955A1 (de
Inventor
Manfred Dipl.-Ing. 4780 Lippstadt De Weigel
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 DE19853531955 priority Critical patent/DE3531955A1/de
Publication of DE3531955A1 publication Critical patent/DE3531955A1/de
Application granted granted Critical
Publication of DE3531955C2 publication Critical patent/DE3531955C2/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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DE19853531955 1985-09-07 1985-09-07 Scheinwerfer, insbesondere arbeitsscheinwerfer Granted DE3531955A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19853531955 DE3531955A1 (de) 1985-09-07 1985-09-07 Scheinwerfer, insbesondere arbeitsscheinwerfer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853531955 DE3531955A1 (de) 1985-09-07 1985-09-07 Scheinwerfer, insbesondere arbeitsscheinwerfer

Publications (2)

Publication Number Publication Date
DE3531955A1 DE3531955A1 (de) 1987-03-19
DE3531955C2 true DE3531955C2 (ja) 1987-11-12

Family

ID=6280360

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853531955 Granted DE3531955A1 (de) 1985-09-07 1985-09-07 Scheinwerfer, insbesondere arbeitsscheinwerfer

Country Status (1)

Country Link
DE (1) DE3531955A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8903955U1 (de) 1989-03-31 1990-10-18 Heraeus Instruments GmbH, 6450 Hanau Scheinwerfer, insbesondere für Operationsleuchte
US5128848A (en) * 1989-03-31 1992-07-07 W.C. Heraeus Gmbh Operating light

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2453234C3 (de) * 1974-11-09 1981-02-26 Westfaelische Metall Industrie Kg, Hueck & Co, 4780 Lippstadt Fahrzeugleuchte

Also Published As

Publication number Publication date
DE3531955A1 (de) 1987-03-19

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee