JPS646443B2 - - Google Patents
Info
- Publication number
- JPS646443B2 JPS646443B2 JP54137210A JP13721079A JPS646443B2 JP S646443 B2 JPS646443 B2 JP S646443B2 JP 54137210 A JP54137210 A JP 54137210A JP 13721079 A JP13721079 A JP 13721079A JP S646443 B2 JPS646443 B2 JP S646443B2
- Authority
- JP
- Japan
- Prior art keywords
- amount
- circuit
- flash
- light
- photography
- 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
Links
- 238000004364 calculation method Methods 0.000 claims description 34
- 238000005375 photometry Methods 0.000 claims description 29
- 230000035945 sensitivity Effects 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 25
- 238000000034 method Methods 0.000 description 13
- 239000003990 capacitor Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910052724 xenon Inorganic materials 0.000 description 5
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052754 neon Inorganic materials 0.000 description 4
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 101100406487 Drosophila melanogaster Or47a gene Proteins 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Landscapes
- Exposure Control For Cameras (AREA)
- Stroboscope Apparatuses (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13721079A JPS5660419A (en) | 1979-10-23 | 1979-10-23 | Exposure control unit for flash photography |
| US06/199,211 US4367932A (en) | 1979-10-23 | 1980-10-21 | Exposure control system |
| DE19803040046 DE3040046C2 (de) | 1979-10-23 | 1980-10-23 | Belichtungsmeßvorrichtung und Belichtungssteuereinrichtung zum Fotografieren bei Umgebungslicht und bei Blitzlicht |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13721079A JPS5660419A (en) | 1979-10-23 | 1979-10-23 | Exposure control unit for flash photography |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5660419A JPS5660419A (en) | 1981-05-25 |
| JPS646443B2 true JPS646443B2 (enrdf_load_stackoverflow) | 1989-02-03 |
Family
ID=15193355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13721079A Granted JPS5660419A (en) | 1979-10-23 | 1979-10-23 | Exposure control unit for flash photography |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5660419A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5699323A (en) * | 1980-01-08 | 1981-08-10 | Minolta Camera Co Ltd | Exposure control device for flash photography |
| JPS58111926A (ja) * | 1981-12-25 | 1983-07-04 | Minolta Camera Co Ltd | カメラ |
| JP2999916B2 (ja) * | 1994-03-31 | 2000-01-17 | ティーディーケイ株式会社 | 光記録方法および光記録媒体 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5226829A (en) * | 1975-08-25 | 1977-02-28 | Olympus Optical Co Ltd | Daylight strobo device for the electronic shutter camera |
| JPS599885B2 (ja) * | 1976-12-29 | 1984-03-06 | オリンパス光学工業株式会社 | 電気式フォ−カルプレ−ンシャッタ−カメラにおける日中シンクロ制御装置 |
-
1979
- 1979-10-23 JP JP13721079A patent/JPS5660419A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5660419A (en) | 1981-05-25 |