BE720649A - - Google Patents
Info
- Publication number
- BE720649A BE720649A BE720649DA BE720649A BE 720649 A BE720649 A BE 720649A BE 720649D A BE720649D A BE 720649DA BE 720649 A BE720649 A BE 720649A
- Authority
- BE
- Belgium
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
- F21K5/023—Ignition devices in photo flash bulbs
- F21K5/026—Ignition devices in photo flash bulbs using mechanical firing, e.g. percussion of a fulminating charge
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66719567A | 1967-09-12 | 1967-09-12 | |
| US67914267A | 1967-10-30 | 1967-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE720649A true BE720649A (xx) | 1969-03-11 |
Family
ID=27099633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE720649D BE720649A (xx) | 1967-09-12 | 1968-09-11 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE720649A (xx) |
| CA (1) | CA954711A (xx) |
| DE (2) | DE1797275C3 (xx) |
| FR (1) | FR1580651A (xx) |
| GB (1) | GB1204973A (xx) |
| NL (1) | NL6812955A (xx) |
-
1968
- 1968-09-07 DE DE19681797275 patent/DE1797275C3/de not_active Expired
- 1968-09-07 DE DE19686606524 patent/DE6606524U/de not_active Expired
- 1968-09-09 FR FR1580651D patent/FR1580651A/fr not_active Expired
- 1968-09-10 GB GB4303568A patent/GB1204973A/en not_active Expired
- 1968-09-11 NL NL6812955A patent/NL6812955A/xx unknown
- 1968-09-11 BE BE720649D patent/BE720649A/xx unknown
- 1968-09-11 CA CA029,745A patent/CA954711A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1204973A (en) | 1970-09-09 |
| NL6812955A (xx) | 1969-03-14 |
| DE6606524U (de) | 1970-09-24 |
| DE1797275C3 (de) | 1973-06-28 |
| FR1580651A (xx) | 1969-09-05 |
| DE1797275B2 (de) | 1972-12-07 |
| DE1797275A1 (de) | 1971-02-11 |
| CA954711A (en) | 1974-09-17 |