FR2072647A5 - - Google Patents
Info
- Publication number
- FR2072647A5 FR2072647A5 FR7042979A FR7042979A FR2072647A5 FR 2072647 A5 FR2072647 A5 FR 2072647A5 FR 7042979 A FR7042979 A FR 7042979A FR 7042979 A FR7042979 A FR 7042979A FR 2072647 A5 FR2072647 A5 FR 2072647A5
- 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
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11419969U JPS5247482Y1 (fr) | 1969-12-01 | 1969-12-01 | |
| JP11420069 | 1969-12-01 | ||
| JP9849570 | 1970-10-02 | ||
| JP9849670 | 1970-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2072647A5 true FR2072647A5 (fr) | 1971-09-24 |
Family
ID=27468645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7042979A Expired FR2072647A5 (fr) | 1969-12-01 | 1970-11-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3688659A (fr) |
| DE (1) | DE2058679C3 (fr) |
| FR (1) | FR2072647A5 (fr) |
| GB (1) | GB1326060A (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3776112A (en) * | 1972-08-11 | 1973-12-04 | Honeywell Inc | Adapter circuit for use with auto exposure camera |
| US3846806A (en) * | 1972-12-30 | 1974-11-05 | Minolta Camera Kk | Automatic flash device for a photographic camera |
| JPS5144924U (fr) * | 1974-09-30 | 1976-04-02 | ||
| US4068150A (en) * | 1975-03-14 | 1978-01-10 | West Electric Co., Ltd. | Voltage indication means for an electronic flashing device |
| US4005337A (en) * | 1975-07-21 | 1977-01-25 | Grimes Manufacturing Company | Constant energy strobe source |
| JPS52146139U (fr) * | 1976-04-30 | 1977-11-05 | ||
| US4074170A (en) * | 1976-06-21 | 1978-02-14 | Vivitar Corporation | Voltage regulator with thermal overload protection |
| JPS5855366Y2 (ja) * | 1977-03-25 | 1983-12-19 | ウエスト電気株式会社 | 外部センサ |
| JPS5529871A (en) * | 1978-08-23 | 1980-03-03 | Minolta Camera Co Ltd | Calculating disc for automatic dimming flash device |
| JPH086119A (ja) * | 1994-06-15 | 1996-01-12 | Canon Inc | カメラの閃光撮影システム |
| US6061528A (en) * | 1997-05-08 | 2000-05-09 | Canon Kabushiki Kaisha | Flash device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2894174A (en) * | 1958-04-28 | 1959-07-07 | Fr Corp | Electrical photoflash device |
| US3257607A (en) * | 1961-03-27 | 1966-06-21 | Intron Int Inc | Thermally sensitive capacitive circuit element |
| US3295424A (en) * | 1963-06-17 | 1967-01-03 | Polaroid Corp | Shutter timing apparatus |
| DE1291192B (de) * | 1967-05-08 | 1969-03-20 | Compur Werk Gmbh & Co | Lichtbildaufnahmegeraet mit einer elektronischen Einrichtung, insbesondere zur Belichtungszeitbildung |
-
1970
- 1970-11-28 DE DE2058679A patent/DE2058679C3/de not_active Expired
- 1970-11-30 US US93595A patent/US3688659A/en not_active Expired - Lifetime
- 1970-11-30 FR FR7042979A patent/FR2072647A5/fr not_active Expired
- 1970-12-01 GB GB5704870A patent/GB1326060A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2058679A1 (de) | 1971-07-22 |
| DE2058679C3 (de) | 1979-09-20 |
| GB1326060A (en) | 1973-08-08 |
| DE2058679B2 (de) | 1979-01-18 |
| US3688659A (en) | 1972-09-05 |