FR2034025A5 - - Google Patents
Info
- Publication number
- FR2034025A5 FR2034025A5 FR7004238A FR7004238A FR2034025A5 FR 2034025 A5 FR2034025 A5 FR 2034025A5 FR 7004238 A FR7004238 A FR 7004238A FR 7004238 A FR7004238 A FR 7004238A FR 2034025 A5 FR2034025 A5 FR 2034025A5
- 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
-
- 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
- G03B43/00—Testing correct operation of photographic apparatus or parts thereof
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stroboscope Apparatuses (AREA)
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691908653 DE1908653C (de) | 1969-02-21 | Vorrichtung zur Anzeige der Blitz bereitschaft von Kolbenblitzlampen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2034025A5 true FR2034025A5 (enExample) | 1970-12-04 |
Family
ID=5725873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7004238A Expired FR2034025A5 (enExample) | 1969-02-21 | 1970-02-06 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3643100A (enExample) |
| FR (1) | FR2034025A5 (enExample) |
| GB (1) | GB1258377A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4131351A (en) * | 1976-02-20 | 1978-12-26 | West Electric Co., Ltd. | Battery checker for a camera with a flash light unit |
| JP6053298B2 (ja) * | 2012-03-08 | 2016-12-27 | キヤノン株式会社 | 眼科装置及び眼科装置の制御方法 |
-
1970
- 1970-02-06 FR FR7004238A patent/FR2034025A5/fr not_active Expired
- 1970-02-19 US US12204A patent/US3643100A/en not_active Expired - Lifetime
- 1970-02-20 GB GB1258377D patent/GB1258377A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1908653A1 (de) | 1970-09-03 |
| GB1258377A (enExample) | 1971-12-30 |
| US3643100A (en) | 1972-02-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |