BE397747A - - Google Patents
Info
- Publication number
- BE397747A BE397747A BE397747DA BE397747A BE 397747 A BE397747 A BE 397747A BE 397747D A BE397747D A BE 397747DA BE 397747 A BE397747 A BE 397747A
- Authority
- BE
- Belgium
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
- F21V7/0008—Reflectors for light sources providing for indirect lighting
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- 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
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB20599/32A GB404695A (en) | 1932-07-21 | 1932-07-21 | Improvements in or relating to illuminating devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE397747A true BE397747A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=10148590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE397747D BE397747A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1932-07-21 |
Country Status (5)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2930405C2 (de) * | 1979-07-26 | 1982-09-23 | Optische Werke G. Rodenstock, 8000 München | Stimulus-Leuchte für augenoptische Untersuchungsgertäte |
| WO2023131513A1 (en) * | 2022-01-04 | 2023-07-13 | Signify Holding B.V. | A luminaire kit |
-
0
- NL NL37042D patent/NL37042C/xx active
- BE BE397747D patent/BE397747A/xx unknown
-
1932
- 1932-07-21 GB GB20599/32A patent/GB404695A/en not_active Expired
-
1933
- 1933-07-15 DE DED66249D patent/DE626301C/de not_active Expired
- 1933-07-20 FR FR760530D patent/FR760530A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE626301C (de) | 1936-02-24 |
| FR760530A (fr) | 1934-02-24 |
| GB404695A (en) | 1934-01-22 |
| NL37042C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |