JPH0532737B2 - - Google Patents
Info
- Publication number
- JPH0532737B2 JPH0532737B2 JP57194979A JP19497982A JPH0532737B2 JP H0532737 B2 JPH0532737 B2 JP H0532737B2 JP 57194979 A JP57194979 A JP 57194979A JP 19497982 A JP19497982 A JP 19497982A JP H0532737 B2 JPH0532737 B2 JP H0532737B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- terminal
- signal
- output
- input
- 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
- 238000005375 photometry Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 description 74
- 230000008569 process Effects 0.000 description 69
- 230000035945 sensitivity Effects 0.000 description 35
- 239000003990 capacitor Substances 0.000 description 14
- 229910052724 xenon Inorganic materials 0.000 description 8
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 8
- 239000013256 coordination polymer Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000002265 prevention Effects 0.000 description 6
- 208000032484 Accidental exposure to product Diseases 0.000 description 5
- 231100000818 accidental exposure Toxicity 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 101100028092 Drosophila melanogaster Or22a gene Proteins 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000001360 synchronised 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Stroboscope Apparatuses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57194979A JPS5984227A (ja) | 1982-11-05 | 1982-11-05 | 閃光撮影装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57194979A JPS5984227A (ja) | 1982-11-05 | 1982-11-05 | 閃光撮影装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5984227A JPS5984227A (ja) | 1984-05-15 |
JPH0532737B2 true JPH0532737B2 (xx) | 1993-05-17 |
Family
ID=16333519
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57194979A Granted JPS5984227A (ja) | 1982-11-05 | 1982-11-05 | 閃光撮影装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5984227A (xx) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH077171B2 (ja) * | 1985-09-09 | 1995-01-30 | ミノルタ株式会社 | 分割測光式カメラ |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5010128A (xx) * | 1973-05-24 | 1975-02-01 | ||
JPS516539A (en) * | 1974-07-05 | 1976-01-20 | Canon Kk | Roshutsuseigyohoho |
JPS5675627A (en) * | 1979-11-24 | 1981-06-22 | Minolta Camera Co Ltd | Iris controller of camera |
JPS577020B2 (xx) * | 1979-02-23 | 1982-02-08 | ||
JPS57168239A (en) * | 1981-04-10 | 1982-10-16 | Nippon Kogaku Kk <Nikon> | Correcting device for daylight flash photography |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4317622A (en) * | 1980-06-16 | 1982-03-02 | Eastman Kodak Company | Exposure control apparatus for flash photography |
-
1982
- 1982-11-05 JP JP57194979A patent/JPS5984227A/ja active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5010128A (xx) * | 1973-05-24 | 1975-02-01 | ||
JPS516539A (en) * | 1974-07-05 | 1976-01-20 | Canon Kk | Roshutsuseigyohoho |
JPS577020B2 (xx) * | 1979-02-23 | 1982-02-08 | ||
JPS5675627A (en) * | 1979-11-24 | 1981-06-22 | Minolta Camera Co Ltd | Iris controller of camera |
JPS57168239A (en) * | 1981-04-10 | 1982-10-16 | Nippon Kogaku Kk <Nikon> | Correcting device for daylight flash photography |
Also Published As
Publication number | Publication date |
---|---|
JPS5984227A (ja) | 1984-05-15 |
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