FR2475838B3 - - Google Patents
Info
- Publication number
- FR2475838B3 FR2475838B3 FR8102781A FR8102781A FR2475838B3 FR 2475838 B3 FR2475838 B3 FR 2475838B3 FR 8102781 A FR8102781 A FR 8102781A FR 8102781 A FR8102781 A FR 8102781A FR 2475838 B3 FR2475838 B3 FR 2475838B3
- Authority
- FR
- France
- 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
-
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1627280A JPS56119120A (en) | 1980-02-13 | 1980-02-13 | Flashing device |
| JP6987480A JPS56165128A (en) | 1980-05-26 | 1980-05-26 | Flashing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2475838A1 FR2475838A1 (fr) | 1981-08-14 |
| FR2475838B3 true FR2475838B3 (fi) | 1982-12-10 |
Family
ID=26352575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8102781A Granted FR2475838A1 (fr) | 1980-02-13 | 1981-02-12 | Flash electronique |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE3105152A1 (fi) |
| FR (1) | FR2475838A1 (fi) |
| GB (1) | GB2072359A (fi) |
| IT (1) | IT1142305B (fi) |
| NL (1) | NL8100679A (fi) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5711330A (en) * | 1980-06-25 | 1982-01-21 | Fuji Koeki Kk | Flashing device |
| JPS58190931A (ja) * | 1982-04-30 | 1983-11-08 | Olympus Optical Co Ltd | オ−トストロボの露光適否表示装置 |
| DE3225557C2 (de) * | 1982-07-08 | 1985-08-14 | Telefunken electronic GmbH, 7100 Heilbronn | Schaltung für eine Computer-Blitzsteuerung |
| GB2238625B (en) * | 1989-12-01 | 1994-01-12 | Asahi Optical Co Ltd | Release switch apparatus |
| US5682562A (en) * | 1995-11-13 | 1997-10-28 | Eastman Kodak Company | Digitally controlled quench flash circuit |
-
1981
- 1981-02-12 NL NL8100679A patent/NL8100679A/nl not_active Application Discontinuation
- 1981-02-12 IT IT47777/81A patent/IT1142305B/it active
- 1981-02-12 FR FR8102781A patent/FR2475838A1/fr active Granted
- 1981-02-12 DE DE19813105152 patent/DE3105152A1/de not_active Withdrawn
- 1981-02-13 GB GB8104506A patent/GB2072359A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT8147777A0 (it) | 1981-02-12 |
| NL8100679A (nl) | 1981-09-16 |
| FR2475838A1 (fr) | 1981-08-14 |
| GB2072359A (en) | 1981-09-30 |
| IT1142305B (it) | 1986-10-08 |
| DE3105152A1 (de) | 1982-02-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |