FR763023A - Perfectionnements aux appareils d'éclairage - Google Patents
Perfectionnements aux appareils d'éclairageInfo
- Publication number
- FR763023A FR763023A FR763023DA FR763023A FR 763023 A FR763023 A FR 763023A FR 763023D A FR763023D A FR 763023DA FR 763023 A FR763023 A FR 763023A
- Authority
- FR
- France
- Prior art keywords
- lighting fixtures
- fixtures
- lighting
- fixtures improvements
- 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
- F21V19/00—Fastening of light sources or lamp holders
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB763023X | 1932-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR763023A true FR763023A (fr) | 1934-04-23 |
Family
ID=10496898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR763023D Expired FR763023A (fr) | 1932-11-29 | 1933-10-28 | Perfectionnements aux appareils d'éclairage |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR763023A (fr) |
-
1933
- 1933-10-28 FR FR763023D patent/FR763023A/fr not_active Expired
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