FR983406A - Improvements to lighting devices using rectilinear light sources - Google Patents
Improvements to lighting devices using rectilinear light sourcesInfo
- Publication number
- FR983406A FR983406A FR983406DA FR983406A FR 983406 A FR983406 A FR 983406A FR 983406D A FR983406D A FR 983406DA FR 983406 A FR983406 A FR 983406A
- Authority
- FR
- France
- Prior art keywords
- light sources
- lighting devices
- rectilinear light
- rectilinear
- lighting
- 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
- 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
- F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR983406T | 1943-08-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR983406A true FR983406A (en) | 1951-06-22 |
Family
ID=9536006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR983406D Expired FR983406A (en) | 1943-08-12 | 1943-08-12 | Improvements to lighting devices using rectilinear light sources |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR983406A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1231185B (en) * | 1962-08-06 | 1966-12-29 | Willi Luederitz Dipl Ing | Canal mirror light |
-
1943
- 1943-08-12 FR FR983406D patent/FR983406A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1231185B (en) * | 1962-08-06 | 1966-12-29 | Willi Luederitz Dipl Ing | Canal mirror light |
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