DE217742C - - Google Patents

Info

Publication number
DE217742C
DE217742C DENDAT217742D DE217742DA DE217742C DE 217742 C DE217742 C DE 217742C DE NDAT217742 D DENDAT217742 D DE NDAT217742D DE 217742D A DE217742D A DE 217742DA DE 217742 C DE217742 C DE 217742C
Authority
DE
Germany
Prior art keywords
reflector
curve
intersect
rays
piece
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
DENDAT217742D
Other languages
German (de)
English (en)
Publication of DE217742C publication Critical patent/DE217742C/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
DENDAT217742D Active DE217742C (enExample)

Publications (1)

Publication Number Publication Date
DE217742C true DE217742C (enExample)

Family

ID=479028

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT217742D Active DE217742C (enExample)

Country Status (1)

Country Link
DE (1) DE217742C (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007527A1 (de) * 1978-07-28 1980-02-06 Rudolf Zimmermann GmbH & Co. KG. Notleuchte
EP0008006A1 (de) * 1978-08-04 1980-02-20 Siemens Aktiengesellschaft Innenleuchte

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007527A1 (de) * 1978-07-28 1980-02-06 Rudolf Zimmermann GmbH & Co. KG. Notleuchte
EP0008006A1 (de) * 1978-08-04 1980-02-20 Siemens Aktiengesellschaft Innenleuchte

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