DE99681C - - Google Patents

Info

Publication number
DE99681C
DE99681C DENDAT99681D DE99681DA DE99681C DE 99681 C DE99681 C DE 99681C DE NDAT99681 D DENDAT99681 D DE NDAT99681D DE 99681D A DE99681D A DE 99681DA DE 99681 C DE99681 C DE 99681C
Authority
DE
Germany
Prior art keywords
light
rays
prism
side surfaces
skylight
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
DENDAT99681D
Other languages
German (de)
English (en)
Publication of DE99681C publication Critical patent/DE99681C/de
Active 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
    • F21S11/00—Non-electric lighting devices or systems using daylight

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
DENDAT99681D Active DE99681C (show.php)

Publications (1)

Publication Number Publication Date
DE99681C true DE99681C (show.php)

Family

ID=370540

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT99681D Active DE99681C (show.php)

Country Status (1)

Country Link
DE (1) DE99681C (show.php)

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