NL7306019A - - Google Patents
Info
- Publication number
- NL7306019A NL7306019A NL7306019A NL7306019A NL7306019A NL 7306019 A NL7306019 A NL 7306019A NL 7306019 A NL7306019 A NL 7306019A NL 7306019 A NL7306019 A NL 7306019A NL 7306019 A NL7306019 A NL 7306019A
- Authority
- NL
- Netherlands
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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
- G03B15/0452—Electrical ignition means connected to the shutter
- G03B15/0457—Ignition mechanisms for sequential ignition of flash lamps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Resistance Heating (AREA)
- Air Bags (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7306019A NL7306019A (nl) | 1973-05-01 | 1973-05-01 | |
DE2418838A DE2418838A1 (de) | 1973-05-01 | 1974-04-19 | Anordnung mit mehreren verbrennungsblitzlichtlampen |
US463730A US3918884A (en) | 1973-05-01 | 1974-04-24 | Arrangement provided with some combustion flash bulbs |
GB1843274A GB1430706A (en) | 1973-05-01 | 1974-04-26 | Flashbulb arrangement |
IT21959/74A IT1010134B (it) | 1973-05-01 | 1974-04-26 | Complesso dotato di alcune lampa de a lampeggio a combustione |
JP49047177A JPS5032938A (nl) | 1973-05-01 | 1974-04-27 | |
FR7415051A FR2228342B3 (nl) | 1973-05-01 | 1974-04-30 | |
BE143817A BE814429A (fr) | 1973-05-01 | 1974-04-30 | Dispositif muni de lampes-flash a combustion |
CA199,339A CA1040700A (en) | 1973-05-01 | 1974-05-08 | Arrangement provided with some combustion flash bulbs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7306019A NL7306019A (nl) | 1973-05-01 | 1973-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7306019A true NL7306019A (nl) | 1974-11-05 |
Family
ID=19818762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7306019A NL7306019A (nl) | 1973-05-01 | 1973-05-01 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3918884A (nl) |
JP (1) | JPS5032938A (nl) |
BE (1) | BE814429A (nl) |
CA (1) | CA1040700A (nl) |
DE (1) | DE2418838A1 (nl) |
FR (1) | FR2228342B3 (nl) |
GB (1) | GB1430706A (nl) |
IT (1) | IT1010134B (nl) |
NL (1) | NL7306019A (nl) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4048487A (en) * | 1976-09-08 | 1977-09-13 | General Electric Company | Last-flash indicator switch in photoflash array |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3443875A (en) * | 1965-10-21 | 1969-05-13 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Series flash device |
NL145033B (nl) * | 1966-04-02 | 1975-02-17 | Philips Nv | Verbrandingsflitslamp. |
US3518487A (en) * | 1967-01-31 | 1970-06-30 | Tokyo Shibaura Electric Co | Photoflashing circuit device |
BE757009A (fr) * | 1969-10-03 | 1971-04-02 | Philips Nv | Dispositif permettant d'allumer successivement plusieurs lampeseclair acombustion |
DE1952049A1 (de) * | 1969-10-16 | 1971-04-29 | Agfa Gevaert Ag | Mehrfachblitzeinrichtung |
US3619715A (en) * | 1970-05-21 | 1971-11-09 | Gen Electric | Resistor circuit for sequentially flashing photoflash lamps |
US3864606A (en) * | 1972-10-24 | 1975-02-04 | Gen Electric | Compensated sequencing circuit for firing photoflash lamps |
-
1973
- 1973-05-01 NL NL7306019A patent/NL7306019A/xx not_active Application Discontinuation
-
1974
- 1974-04-19 DE DE2418838A patent/DE2418838A1/de active Pending
- 1974-04-24 US US463730A patent/US3918884A/en not_active Expired - Lifetime
- 1974-04-26 GB GB1843274A patent/GB1430706A/en not_active Expired
- 1974-04-26 IT IT21959/74A patent/IT1010134B/it active
- 1974-04-27 JP JP49047177A patent/JPS5032938A/ja active Pending
- 1974-04-30 BE BE143817A patent/BE814429A/xx unknown
- 1974-04-30 FR FR7415051A patent/FR2228342B3/fr not_active Expired
- 1974-05-08 CA CA199,339A patent/CA1040700A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5032938A (nl) | 1975-03-29 |
BE814429A (fr) | 1974-10-30 |
FR2228342A1 (nl) | 1974-11-29 |
US3918884A (en) | 1975-11-11 |
IT1010134B (it) | 1977-01-10 |
CA1040700A (en) | 1978-10-17 |
DE2418838A1 (de) | 1974-11-21 |
FR2228342B3 (nl) | 1977-03-04 |
GB1430706A (en) | 1976-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |