DE1920036A1 - - Google Patents
Info
- Publication number
- DE1920036A1 DE1920036A1 DE19691920036 DE1920036A DE1920036A1 DE 1920036 A1 DE1920036 A1 DE 1920036A1 DE 19691920036 DE19691920036 DE 19691920036 DE 1920036 A DE1920036 A DE 1920036A DE 1920036 A1 DE1920036 A1 DE 1920036A1
- Authority
- DE
- Germany
- 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.)
- Pending
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
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691920036 DE1920036A1 (de) | 1969-04-19 | 1969-04-19 | |
| US884794A US3636406A (en) | 1969-04-19 | 1969-12-15 | Electronic flash unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691920036 DE1920036A1 (de) | 1969-04-19 | 1969-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1920036A1 true DE1920036A1 (de) | 1970-11-05 |
Family
ID=5731749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691920036 Pending DE1920036A1 (de) | 1969-04-19 | 1969-04-19 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3636406A (de) |
| DE (1) | DE1920036A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3769546A (en) * | 1972-05-17 | 1973-10-30 | W Pecher | Electronic flash device |
| DE2258834B2 (de) * | 1972-12-01 | 1975-10-02 | Rollei-Werke Franke & Heidecke, 3300 Braunschweig | Schaltungsanordnung zum Zünden von Zusatzblitzleuchten |
| JPS53116150A (en) * | 1977-03-18 | 1978-10-11 | West Electric Co | Electrooflashing device for increasing lamps |
| US4287453A (en) * | 1979-09-06 | 1981-09-01 | Vivitar Corporation | Electronic slave flash delay device |
| DE3022930A1 (de) * | 1980-06-19 | 1982-01-07 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München | Zuend- und betriebsschaltung fuer eine niederdruckentladungslampe |
-
1969
- 1969-04-19 DE DE19691920036 patent/DE1920036A1/de active Pending
- 1969-12-15 US US884794A patent/US3636406A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3636406A (en) | 1972-01-18 |