HK124493A - Control system for an electronic flash unit - Google Patents
Control system for an electronic flash unitInfo
- Publication number
- HK124493A HK124493A HK1244/93A HK124493A HK124493A HK 124493 A HK124493 A HK 124493A HK 1244/93 A HK1244/93 A HK 1244/93A HK 124493 A HK124493 A HK 124493A HK 124493 A HK124493 A HK 124493A
- Authority
- HK
- Hong Kong
- Prior art keywords
- control system
- flash unit
- electronic flash
- electronic
- unit
- Prior art date
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
-
- 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
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 |
---|---|---|---|
US07/145,992 US4777507A (en) | 1988-01-20 | 1988-01-20 | Control system for an electronic flash unit |
Publications (1)
Publication Number | Publication Date |
---|---|
HK124493A true HK124493A (en) | 1993-11-19 |
Family
ID=22515454
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK1244/93A HK124493A (en) | 1988-01-20 | 1993-11-11 | Control system for an electronic flash unit |
Country Status (5)
Country | Link |
---|---|
US (1) | US4777507A (ja) |
EP (1) | EP0326815B1 (ja) |
JP (1) | JPH01302334A (ja) |
DE (1) | DE68907349T2 (ja) |
HK (1) | HK124493A (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4969007A (en) * | 1987-03-19 | 1990-11-06 | Nikon Corporation | Electronic flash apparatus for cameras |
US4989029A (en) * | 1988-04-20 | 1991-01-29 | Minolta Camera Kabushiki Kaisha | Camera with control apparatus for charging storage capacitor for flash light emission |
US5099262A (en) * | 1988-08-04 | 1992-03-24 | Minolta Camera Kabushiki Kaisha | Camera having sound recording function |
DE9211485U1 (de) * | 1992-08-26 | 1992-11-26 | Metz-Werke GmbH & Co KG, 8510 Fürth | Elektronenblitzgerät mit einem Mikrocomputer |
US5432585A (en) * | 1993-08-31 | 1995-07-11 | Eastman Kodak Company | Improved flash lockout |
US5574337A (en) * | 1994-06-30 | 1996-11-12 | Eastman Kodak Company | Single touch flash charger control |
US5634153A (en) * | 1995-12-21 | 1997-05-27 | Eastman Kodak Company | Static immunity for single touch flash charger control |
JPH1013779A (ja) * | 1996-06-25 | 1998-01-16 | Nikon Corp | 情報処理装置 |
JP3203188B2 (ja) * | 1996-09-03 | 2001-08-27 | 三洋電機株式会社 | 電子スチルカメラ |
DE19842367B4 (de) * | 1998-09-16 | 2004-07-29 | Robert Srzentic | Vorrichtung und Verfahren zur Steuerung einer Blitzlichtanlage mit zumindest einem Blitzgerät für Fotokameras |
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 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2856562A (en) * | 1957-01-14 | 1958-10-14 | Vitro Corp Of America | Photographic flash unit |
US4200370A (en) * | 1976-04-22 | 1980-04-29 | Canon Kabushiki Kaisha | Camera for daylight and flash photography |
JPS5845792B2 (ja) * | 1978-03-20 | 1983-10-12 | ウエスト電気株式会社 | 電子閃光装置 |
US4258991A (en) * | 1979-02-09 | 1981-03-31 | Toshiba Photo Products Co., Ltd. | Electronic flash apparatus for a camera |
US4239361A (en) * | 1980-01-11 | 1980-12-16 | Eastman Kodak Company | Camera having electronic strobe flash apparatus chargeable during viewfinder framing of a scene |
US4285588A (en) * | 1980-07-24 | 1981-08-25 | Eastman Kodak Company | Apparatus and method for minimizing red-eye in flash photography |
US4501481A (en) * | 1981-12-04 | 1985-02-26 | Canon Kabushiki Kaisha | Flash photographing system |
JPS58150943A (ja) * | 1982-03-03 | 1983-09-07 | Minolta Camera Co Ltd | フラッシュ撮影システム |
JPH061323B2 (ja) * | 1982-07-29 | 1994-01-05 | 株式会社ニコン | カメラの閃光撮影準備装置 |
JPS5962842A (ja) * | 1982-10-04 | 1984-04-10 | Canon Inc | カメラの表示装置 |
US4540265A (en) * | 1983-01-24 | 1985-09-10 | Eastman Kodak Company | Energy-saving electronic flash apparatus |
US4472041A (en) * | 1983-04-25 | 1984-09-18 | Polaroid Corporation | Photographic camera with electronic flash sneak charge |
-
1988
- 1988-01-20 US US07/145,992 patent/US4777507A/en not_active Expired - Fee Related
-
1989
- 1989-01-10 EP EP89100312A patent/EP0326815B1/en not_active Expired - Lifetime
- 1989-01-10 DE DE89100312T patent/DE68907349T2/de not_active Expired - Fee Related
- 1989-01-20 JP JP1011794A patent/JPH01302334A/ja active Pending
-
1993
- 1993-11-11 HK HK1244/93A patent/HK124493A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE68907349D1 (de) | 1993-08-05 |
JPH01302334A (ja) | 1989-12-06 |
DE68907349T2 (de) | 1994-01-27 |
EP0326815A1 (en) | 1989-08-09 |
US4777507A (en) | 1988-10-11 |
EP0326815B1 (en) | 1993-06-30 |
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