NL7007869A - - Google Patents
Info
- Publication number
- NL7007869A NL7007869A NL7007869A NL7007869A NL7007869A NL 7007869 A NL7007869 A NL 7007869A NL 7007869 A NL7007869 A NL 7007869A NL 7007869 A NL7007869 A NL 7007869A NL 7007869 A NL7007869 A NL 7007869A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/30—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp
- H05B41/32—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation
- H05B41/325—Circuit arrangements in which the lamp is fed by pulses, e.g. flash lamp for single flash operation by measuring the incident light
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691928157 DE1928157A1 (de) | 1969-06-03 | 1969-06-03 | Schaltungsanordnung fuer Elektronenblitzgeraete mit in Abhaengigkeit von der reflektierten Lichtmenge geregelten Nutzblitzdauer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7007869A true NL7007869A (xx) | 1970-12-07 |
Family
ID=5735916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7007869A NL7007869A (xx) | 1969-06-03 | 1970-05-29 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3662213A (xx) |
| JP (1) | JPS493582B1 (xx) |
| BE (1) | BE751424A (xx) |
| CH (1) | CH537594A (xx) |
| DE (1) | DE1928157A1 (xx) |
| FR (1) | FR2045812A1 (xx) |
| GB (1) | GB1307244A (xx) |
| NL (1) | NL7007869A (xx) |
| SE (1) | SE359999B (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3787704A (en) * | 1970-02-20 | 1974-01-22 | Loewe Opta Gmbh | Electronic flash unit with controlled light energy |
| US3737721A (en) * | 1971-01-22 | 1973-06-05 | Honeywell Inc | Computer flash with remote sensor and two-wire control of flash firing and quench |
| DE2422237B2 (de) * | 1974-05-08 | 1977-08-18 | Braun Ag, 6000 Frankfurt | Lichtmengengeregeltes blitzlichtgeraet |
| SE387497B (sv) * | 1975-06-19 | 1976-09-06 | Ericsson Telefon Ab L M | Pulsgenerator |
| DE4029203C2 (de) * | 1990-09-14 | 1995-04-20 | Hella Kg Hueck & Co | Einrichtung zur Lichtbogenlöschung bei Lichtblitzerzeugungseinrichtungen für Flugzeuge |
| KR20020024552A (ko) * | 2000-09-25 | 2002-03-30 | 무네유키 가코우 | 플래시 장치, 렌즈 부착 사진 필름 유닛, 카메라, 및이들의 제조 방법 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3293449A (en) * | 1963-06-24 | 1966-12-20 | Gen Electric | Solid state thyratron replacement |
| US3509422A (en) * | 1967-10-31 | 1970-04-28 | Research Corp | Automatic photographic fill-in flash circuit |
| DE1764204B1 (de) * | 1968-04-23 | 1972-01-05 | Bosch Photokino Gmbh | Elektronenbli/tzgeraet |
-
1969
- 1969-06-03 DE DE19691928157 patent/DE1928157A1/de active Pending
-
1970
- 1970-02-03 US US8271A patent/US3662213A/en not_active Expired - Lifetime
- 1970-05-29 NL NL7007869A patent/NL7007869A/xx unknown
- 1970-05-29 GB GB2594270A patent/GB1307244A/en not_active Expired
- 1970-06-01 SE SE07565/70A patent/SE359999B/xx unknown
- 1970-06-01 CH CH818270A patent/CH537594A/de not_active IP Right Cessation
- 1970-06-02 FR FR7020168A patent/FR2045812A1/fr not_active Withdrawn
- 1970-06-03 JP JP45047282A patent/JPS493582B1/ja active Pending
- 1970-06-03 BE BE751424D patent/BE751424A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS493582B1 (xx) | 1974-01-26 |
| BE751424A (fr) | 1970-12-03 |
| GB1307244A (en) | 1973-02-14 |
| US3662213A (en) | 1972-05-09 |
| FR2045812A1 (xx) | 1971-03-05 |
| DE1928157A1 (de) | 1970-12-10 |
| CH537594A (de) | 1973-05-31 |
| SE359999B (xx) | 1973-09-10 |