FR817717A - Room with windows and artificial lighting - Google Patents
Room with windows and artificial lightingInfo
- Publication number
- FR817717A FR817717A FR817717DA FR817717A FR 817717 A FR817717 A FR 817717A FR 817717D A FR817717D A FR 817717DA FR 817717 A FR817717 A FR 817717A
- Authority
- FR
- France
- Prior art keywords
- windows
- room
- artificial lighting
- lighting
- artificial
- 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
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
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE817717X | 1936-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR817717A true FR817717A (en) | 1937-09-09 |
Family
ID=6735269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR817717D Expired FR817717A (en) | 1936-01-20 | 1937-01-20 | Room with windows and artificial lighting |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR817717A (en) |
-
1937
- 1937-01-20 FR FR817717D patent/FR817717A/en not_active Expired
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