JPH0324654B2 - - Google Patents
Info
- Publication number
- JPH0324654B2 JPH0324654B2 JP56186745A JP18674581A JPH0324654B2 JP H0324654 B2 JPH0324654 B2 JP H0324654B2 JP 56186745 A JP56186745 A JP 56186745A JP 18674581 A JP18674581 A JP 18674581A JP H0324654 B2 JPH0324654 B2 JP H0324654B2
- Authority
- JP
- Japan
- Prior art keywords
- ambient light
- light
- flash
- sensing means
- 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 - Lifetime
Links
- 239000003990 capacitor Substances 0.000 description 11
- 230000007935 neutral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Diaphragms For Cameras (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/209,349 US4291959A (en) | 1980-11-21 | 1980-11-21 | Photographic apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57116324A JPS57116324A (en) | 1982-07-20 |
JPH0324654B2 true JPH0324654B2 (en]) | 1991-04-03 |
Family
ID=22778418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56186745A Granted JPS57116324A (en) | 1980-11-21 | 1981-11-20 | Camera |
Country Status (5)
Country | Link |
---|---|
US (1) | US4291959A (en]) |
JP (1) | JPS57116324A (en]) |
GB (1) | GB2088073B (en]) |
HK (1) | HK51384A (en]) |
SG (1) | SG23684G (en]) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4410250A (en) * | 1981-04-03 | 1983-10-18 | Vivitar Corporation | Flash adapater and system |
US4484808A (en) * | 1982-11-01 | 1984-11-27 | Polaroid Corporation | Method of and apparatus for controlling scene radiation |
US4452519A (en) * | 1982-12-16 | 1984-06-05 | Polaroid Corporation | Folding camera having erectable light source |
US4812872A (en) * | 1988-01-13 | 1989-03-14 | Eastman Kodak Company | Smart flash control system for cameras |
US4772910A (en) * | 1988-01-19 | 1988-09-20 | Eastman Kodak Company | Full/fill flash control system for cameras |
JP4273372B2 (ja) * | 1998-07-31 | 2009-06-03 | ソニー株式会社 | 撮像装置 |
US10474009B2 (en) | 2017-06-05 | 2019-11-12 | Ford Global Technologies, Llc | Filter adjustment of vehicle cameras |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3748974A (en) * | 1971-09-13 | 1973-07-31 | Eastman Kodak Co | Camera apparatus for controlling diaphragm and shutter speed |
JPS527238A (en) * | 1975-07-07 | 1977-01-20 | West Electric Co Ltd | Photographic camera |
DE2649674A1 (de) * | 1976-10-29 | 1978-05-03 | Agfa Gevaert Ag | Fotografische kamera mit programmverschluss |
-
1980
- 1980-11-21 US US06/209,349 patent/US4291959A/en not_active Expired - Lifetime
-
1981
- 1981-11-20 JP JP56186745A patent/JPS57116324A/ja active Granted
- 1981-11-20 GB GB8135042A patent/GB2088073B/en not_active Expired
-
1984
- 1984-03-16 SG SG236/84A patent/SG23684G/en unknown
- 1984-06-22 HK HK513/84A patent/HK51384A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB2088073A (en) | 1982-06-03 |
HK51384A (en) | 1984-06-22 |
GB2088073B (en) | 1984-02-08 |
SG23684G (en) | 1985-01-04 |
JPS57116324A (en) | 1982-07-20 |
US4291959A (en) | 1981-09-29 |
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