DE69024090D1 - Pseudofokus-/Belichtungssteuerung mit Vorblitz - Google Patents
Pseudofokus-/Belichtungssteuerung mit VorblitzInfo
- Publication number
- DE69024090D1 DE69024090D1 DE69024090T DE69024090T DE69024090D1 DE 69024090 D1 DE69024090 D1 DE 69024090D1 DE 69024090 T DE69024090 T DE 69024090T DE 69024090 T DE69024090 T DE 69024090T DE 69024090 D1 DE69024090 D1 DE 69024090D1
- Authority
- DE
- Germany
- Prior art keywords
- subject
- scene
- electronic flash
- image
- exposure
- 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
-
- 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/16—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly in accordance with both the intensity of the flash source and the distance of the flash source from the object, e.g. in accordance with the "guide number" of the flash bulb and the focusing of the camera
-
- 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
- G03B2215/0503—Built-in units
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stroboscope Apparatuses (AREA)
- Exposure Control For Cameras (AREA)
- Studio Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/345,959 US4894678A (en) | 1989-05-01 | 1989-05-01 | Preflash pseudofocus/exposure control system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69024090D1 true DE69024090D1 (de) | 1996-01-25 |
DE69024090T2 DE69024090T2 (de) | 1996-05-09 |
Family
ID=23357296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69024090T Expired - Fee Related DE69024090T2 (de) | 1989-05-01 | 1990-04-25 | Pseudofokus-/Belichtungssteuerung mit Vorblitz |
Country Status (6)
Country | Link |
---|---|
US (1) | US4894678A (de) |
EP (1) | EP0396011B1 (de) |
JP (1) | JPH02302739A (de) |
AT (1) | ATE131629T1 (de) |
CA (1) | CA2014018A1 (de) |
DE (1) | DE69024090T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4998128A (en) * | 1989-09-29 | 1991-03-05 | Polaroid Corporation | Preflash measurement technique |
US5159381A (en) * | 1990-05-23 | 1992-10-27 | Polaroid Corporation | Electronic flash control circuit |
US5117252A (en) * | 1990-09-04 | 1992-05-26 | Polaroid Corporation | Electronic flash control system for use in a fixed focus lens camera for increasing depth of field by the timing of flash actuation |
US5124739A (en) * | 1990-11-05 | 1992-06-23 | Polaroid Corporation | Real time pseudofocus exposure control system |
US5189464A (en) * | 1991-12-18 | 1993-02-23 | Polaroid Corporation | Supplemental lens positioning system for a fixed focus lens camera |
JP3639358B2 (ja) * | 1995-09-22 | 2005-04-20 | オリンパス株式会社 | 電子制御カメラ |
DE102017210284A1 (de) * | 2017-06-20 | 2018-12-20 | BSH Hausgeräte GmbH | Haushaltskältegerät mit einer Digitalkamera und Verfahren zum Betreiben eines Haushaltskältegerätes |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3415644A (en) * | 1967-03-10 | 1968-12-10 | Polaroid Corp | Novel photographic products and processes |
US3753392A (en) * | 1970-08-19 | 1973-08-21 | Polaroid Corp | Film-advancing apparatus |
US3942183A (en) * | 1974-07-02 | 1976-03-02 | Polaroid Corporation | Camera with pivoting blades |
US4357083A (en) * | 1980-10-06 | 1982-11-02 | Polaroid Corporation | Method and apparatus using weighted range signal for controlling photographic functions |
US4427276A (en) * | 1981-09-25 | 1984-01-24 | Polaroid Corporation | Microcomputer controlled photographic exposure system and method |
US4549801A (en) * | 1983-03-21 | 1985-10-29 | W. Haking Enterprises Limited | Automatic focussing camera with automatic aperture setting |
US4459005A (en) * | 1983-04-13 | 1984-07-10 | Eastman Kodak Company | Flash exposure control apparatus for a fixed-focus camera |
DE3417436A1 (de) * | 1984-05-11 | 1985-11-14 | Kodak Ag, 7000 Stuttgart | Verfahren zur blitzbelichtung bei einer kamera mit fixfocus-objektiv |
US4717935A (en) * | 1985-08-09 | 1988-01-05 | Polaroid Corporation | Electronic trim control for dual-photodetector exposure control system |
US4806963A (en) * | 1985-12-26 | 1989-02-21 | Canon Kabushiki Kaisha | Aperture decision system for flash photographing |
-
1989
- 1989-05-01 US US07/345,959 patent/US4894678A/en not_active Expired - Lifetime
-
1990
- 1990-04-06 CA CA002014018A patent/CA2014018A1/en not_active Abandoned
- 1990-04-25 EP EP90107851A patent/EP0396011B1/de not_active Expired - Lifetime
- 1990-04-25 AT AT90107851T patent/ATE131629T1/de not_active IP Right Cessation
- 1990-04-25 DE DE69024090T patent/DE69024090T2/de not_active Expired - Fee Related
- 1990-04-27 JP JP2114974A patent/JPH02302739A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0396011A2 (de) | 1990-11-07 |
DE69024090T2 (de) | 1996-05-09 |
ATE131629T1 (de) | 1995-12-15 |
EP0396011A3 (de) | 1992-04-01 |
US4894678A (en) | 1990-01-16 |
CA2014018A1 (en) | 1990-11-01 |
JPH02302739A (ja) | 1990-12-14 |
EP0396011B1 (de) | 1995-12-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |