DE121157C - - Google Patents
Info
- Publication number
- DE121157C DE121157C DENDAT121157D DE121157DA DE121157C DE 121157 C DE121157 C DE 121157C DE NDAT121157 D DENDAT121157 D DE NDAT121157D DE 121157D A DE121157D A DE 121157DA DE 121157 C DE121157 C DE 121157C
- Authority
- DE
- Germany
- Prior art keywords
- light
- funnel
- rays
- heat source
- 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.)
- Active
Links
- 230000005855 radiation Effects 0.000 claims description 3
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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D2013/034—Daylight conveying tubular skylights
- E04D2013/0345—Daylight conveying tubular skylights with skylight shafts extending from roof to ceiling
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Light Guides In General And Applications Therefor (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
DE121157C true DE121157C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=390175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT121157D Active DE121157C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE121157C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2408522B (en) * | 2003-11-28 | 2008-07-23 | Liteforme Ltd | Light directing duct |
-
0
- DE DENDAT121157D patent/DE121157C/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2408522B (en) * | 2003-11-28 | 2008-07-23 | Liteforme Ltd | Light directing duct |
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