FR951747A - Lighting equipment - Google Patents
Lighting equipmentInfo
- Publication number
- FR951747A FR951747A FR951747DA FR951747A FR 951747 A FR951747 A FR 951747A FR 951747D A FR951747D A FR 951747DA FR 951747 A FR951747 A FR 951747A
- Authority
- FR
- France
- Prior art keywords
- lighting equipment
- lighting
- equipment
- 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 |
---|---|---|---|
US951747XA | 1941-09-25 | 1941-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR951747A true FR951747A (en) | 1949-11-02 |
Family
ID=22250442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR951747D Expired FR951747A (en) | 1941-09-25 | 1947-08-07 | Lighting equipment |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR951747A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1120397B (en) * | 1957-06-10 | 1961-12-28 | Holophane Co Inc | Lighting fixtures, especially for street lighting |
DE1140164B (en) * | 1959-05-04 | 1962-11-29 | Sendlinger Optische Glaswerke | Light for especially elongated lighting fields, e.g. B. Traffic routes |
-
1947
- 1947-08-07 FR FR951747D patent/FR951747A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1120397B (en) * | 1957-06-10 | 1961-12-28 | Holophane Co Inc | Lighting fixtures, especially for street lighting |
DE1140164B (en) * | 1959-05-04 | 1962-11-29 | Sendlinger Optische Glaswerke | Light for especially elongated lighting fields, e.g. B. Traffic routes |
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