FR2672704B1 - Dispositif d'emission de flash. - Google Patents
Dispositif d'emission de flash.Info
- Publication number
- FR2672704B1 FR2672704B1 FR9201387A FR9201387A FR2672704B1 FR 2672704 B1 FR2672704 B1 FR 2672704B1 FR 9201387 A FR9201387 A FR 9201387A FR 9201387 A FR9201387 A FR 9201387A FR 2672704 B1 FR2672704 B1 FR 2672704B1
- Authority
- FR
- France
- Prior art keywords
- transmission device
- flash transmission
- flash
- transmission
- Prior art date
- 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 - Fee Related
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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
-
- 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
-
- 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
- G03B2215/00—Special procedures for taking photographs; Apparatus therefor
- G03B2215/05—Combinations of cameras with electronic flash units
- G03B2215/0503—Built-in units
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 |
---|---|---|---|
JP03102197A JP3120863B2 (ja) | 1991-02-07 | 1991-02-07 | フラッシュ装置の充電制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2672704A1 FR2672704A1 (fr) | 1992-08-14 |
FR2672704B1 true FR2672704B1 (fr) | 1997-03-14 |
Family
ID=14320937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9201387A Expired - Fee Related FR2672704B1 (fr) | 1991-02-07 | 1992-02-07 | Dispositif d'emission de flash. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5221942A (fr) |
JP (1) | JP3120863B2 (fr) |
DE (1) | DE4203562C2 (fr) |
FR (1) | FR2672704B1 (fr) |
GB (1) | GB2252688B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE36239E (en) * | 1989-03-15 | 1999-06-29 | Asahi Kogaku Kogyo Kabushiki Kaisha | Strobe control apparatus |
DE9415646U1 (de) * | 1994-09-29 | 1994-11-17 | Metz-Werke GmbH & Co KG, 90763 Fürth | Elektronenblitzgerät |
US5721986A (en) * | 1996-01-26 | 1998-02-24 | Asahi Kogaku Kogyo Kabushiki Kaisha | Camera and strobe charging system |
JP2001013560A (ja) * | 1999-06-28 | 2001-01-19 | Olympus Optical Co Ltd | 閃光発光装置 |
JP4481396B2 (ja) * | 1999-08-31 | 2010-06-16 | キヤノン株式会社 | カメラ、ストロボ装置及びカメラシステム |
DE10310356A1 (de) * | 2003-03-10 | 2004-10-07 | Siemens Ag | Magnetresonanzgerät mit einem Grundfeldmagneten und wenigstens einer Gradientenspulen |
JP4666976B2 (ja) * | 2004-08-18 | 2011-04-06 | キヤノン株式会社 | 閃光装置およびカメラ |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3679991A (en) * | 1971-04-15 | 1972-07-25 | Honeywell Inc | Rapid recycle oscillator with cutoff and thermal protection |
GB2083300B (en) * | 1979-06-28 | 1983-10-05 | Jescal Scient Ltd | Electronic flash equipment |
US4618803A (en) * | 1984-11-19 | 1986-10-21 | Polaroid Corporation | Current limited strobe charge circuit |
EP0272701B1 (fr) * | 1986-12-23 | 1993-04-21 | Asahi Kogaku Kogyo Kabushiki Kaisha | Appareil de commande de mise en charge de la capacité principale d'une unité de flash |
US4989029A (en) * | 1988-04-20 | 1991-01-29 | Minolta Camera Kabushiki Kaisha | Camera with control apparatus for charging storage capacitor for flash light emission |
GB2230663B (en) * | 1989-03-15 | 1994-07-06 | Asahi Optical Co Ltd | Strobe control apparatus |
-
1991
- 1991-02-07 JP JP03102197A patent/JP3120863B2/ja not_active Expired - Fee Related
-
1992
- 1992-02-06 US US07/832,073 patent/US5221942A/en not_active Expired - Lifetime
- 1992-02-06 GB GB9202518A patent/GB2252688B/en not_active Expired - Fee Related
- 1992-02-07 FR FR9201387A patent/FR2672704B1/fr not_active Expired - Fee Related
- 1992-02-07 DE DE4203562A patent/DE4203562C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5221942A (en) | 1993-06-22 |
GB9202518D0 (en) | 1992-03-25 |
JP3120863B2 (ja) | 2000-12-25 |
JPH04255698A (ja) | 1992-09-10 |
FR2672704A1 (fr) | 1992-08-14 |
DE4203562A1 (de) | 1992-08-13 |
GB2252688A (en) | 1992-08-12 |
GB2252688B (en) | 1995-05-24 |
DE4203562C2 (de) | 1996-11-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2712368B1 (fr) | Dispositif de transmission de force. | |
FR2693033B1 (fr) | Dispositif d'imagerie de grande dimension. | |
FR2672734B1 (fr) | Element d'emission de champ. | |
FR2679323B1 (fr) | Dispositif d'ejection. | |
FR2657051B1 (fr) | Dispositif d'actionnement d'embrayage. | |
FR2693692B1 (fr) | Dispositif d'essuie-glace. | |
FR2699151B1 (fr) | Dispositif mélangeur. | |
FR2658180B3 (fr) | Dispositif d'elevation autonome. | |
FR2678040B1 (fr) | Dispositif d'etancheite. | |
FR2711748B1 (fr) | Dispositif de raccordement. | |
FR2672704B1 (fr) | Dispositif d'emission de flash. | |
FR2678458B1 (fr) | Dispositif d'intercommunication multimedia. | |
DE68913671D1 (de) | Bildübertragungsvorrichtung. | |
FR2695115B1 (fr) | Dispositif de halage d'un câble. | |
MA22979A1 (fr) | Dispositif de gaulage . | |
FR2704287B1 (fr) | Dispositif de transmission. | |
FR2680809B3 (fr) | Dispositif de protection antisismique. | |
DK0602557T3 (da) | Fødeapparat. | |
FR2675013B1 (fr) | Dispositif assurant la tenue d'animaux a distance variable. | |
FR2713493B1 (fr) | Dispositif d'escalade. | |
FR2707385B1 (fr) | Dispositif de camouflage. | |
FR2672067B1 (fr) | Dispositif temporaire de balisage. | |
FR2684977B1 (fr) | Dispositif de desempilage. | |
DE69102728D1 (de) | Übertragungsgerät. | |
FR2694389B1 (fr) | Dispositif de défense. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20061031 |