FR971807A - Perfectionnements aux lampes éclairs - Google Patents
Perfectionnements aux lampes éclairsInfo
- Publication number
- FR971807A FR971807A FR971807DA FR971807A FR 971807 A FR971807 A FR 971807A FR 971807D A FR971807D A FR 971807DA FR 971807 A FR971807 A FR 971807A
- Authority
- FR
- France
- Prior art keywords
- flash lamps
- lamps
- flash
- lamps 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
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
- F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB971807X | 1947-09-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR971807A true FR971807A (fr) | 1951-01-22 |
Family
ID=10818055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR971807D Expired FR971807A (fr) | 1947-09-24 | 1948-09-18 | Perfectionnements aux lampes éclairs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR971807A (fr) |
-
1948
- 1948-09-18 FR FR971807D patent/FR971807A/fr not_active Expired
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