CA1044909A - Photoflash lamp - Google Patents
Photoflash lampInfo
- Publication number
- CA1044909A CA1044909A CA236,176A CA236176A CA1044909A CA 1044909 A CA1044909 A CA 1044909A CA 236176 A CA236176 A CA 236176A CA 1044909 A CA1044909 A CA 1044909A
- Authority
- CA
- Canada
- Prior art keywords
- envelope
- inleads
- lamp
- combustible material
- oxygen
- 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)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50895974A | 1974-09-25 | 1974-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1044909A true CA1044909A (en) | 1978-12-26 |
Family
ID=24024764
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA236,176A Expired CA1044909A (en) | 1974-09-25 | 1975-09-23 | Photoflash lamp |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5158330A (de) |
CA (1) | CA1044909A (de) |
DE (1) | DE2542458C2 (de) |
FR (1) | FR2286403A1 (de) |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2272059A (en) * | 1939-08-19 | 1942-02-03 | Westinghouse Electric & Mfg Co | Photoflash lamp |
DE1189852B (de) * | 1962-02-09 | 1965-03-25 | Patra Patent Treuhand | Elektrische Blitzlichtlampen und Verfahren zu ihrer Herstellung |
FR1346788A (fr) * | 1963-02-08 | 1963-12-20 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Lampes-éclair électriques et leur procédé de fabrication |
NL145033B (nl) * | 1966-04-02 | 1975-02-17 | Philips Nv | Verbrandingsflitslamp. |
DE1597726A1 (de) * | 1967-10-17 | 1970-06-04 | Patra Patent Treuhand | Blitzlampeneinheit |
CA877428A (en) * | 1968-02-23 | 1971-08-03 | General Electric Company | Photoflash lamp |
US3598511A (en) * | 1968-10-09 | 1971-08-10 | Tokyo Shibaura Electric Co | Flashlamps |
GB1339520A (en) * | 1971-02-05 | 1973-12-05 | Gen Electric | Photoflash lamps |
US3817683A (en) * | 1971-02-05 | 1974-06-18 | Gen Electric | Photoflash lamps |
US3770362A (en) * | 1971-12-23 | 1973-11-06 | Gte Sylvania Inc | Moisture indicator for photoflash lamp |
US3739166A (en) * | 1971-12-30 | 1973-06-12 | Gen Electric | Photoflash device |
US3816054A (en) * | 1973-05-02 | 1974-06-11 | Gen Electric | Photoflash lamp having non-shorting construction |
-
1975
- 1975-09-23 CA CA236,176A patent/CA1044909A/en not_active Expired
- 1975-09-24 DE DE19752542458 patent/DE2542458C2/de not_active Expired
- 1975-09-25 FR FR7529471A patent/FR2286403A1/fr active Granted
- 1975-09-25 JP JP50114949A patent/JPS5158330A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5543561B2 (de) | 1980-11-07 |
FR2286403B1 (de) | 1985-05-17 |
JPS5158330A (ja) | 1976-05-21 |
DE2542458C2 (de) | 1985-06-05 |
FR2286403A1 (fr) | 1976-04-23 |
DE2542458A1 (de) | 1976-04-15 |
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