JPS642928B2 - - Google Patents
Info
- Publication number
- JPS642928B2 JPS642928B2 JP13720979A JP13720979A JPS642928B2 JP S642928 B2 JPS642928 B2 JP S642928B2 JP 13720979 A JP13720979 A JP 13720979A JP 13720979 A JP13720979 A JP 13720979A JP S642928 B2 JPS642928 B2 JP S642928B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- circuit
- flash
- signal
- amount
- 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
- 238000005375 photometry Methods 0.000 claims description 43
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 230000035945 sensitivity Effects 0.000 claims description 19
- 230000008859 change Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 33
- 230000008569 process Effects 0.000 description 28
- 239000003990 capacitor Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 14
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 101150065817 ROM2 gene Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Exposure Control For Cameras (AREA)
- Stroboscope Apparatuses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13720979A JPS5660418A (en) | 1979-10-23 | 1979-10-23 | Photometric method for flash photography and its device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13720979A JPS5660418A (en) | 1979-10-23 | 1979-10-23 | Photometric method for flash photography and its device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5660418A JPS5660418A (en) | 1981-05-25 |
| JPS642928B2 true JPS642928B2 (enrdf_load_stackoverflow) | 1989-01-19 |
Family
ID=15193331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13720979A Granted JPS5660418A (en) | 1979-10-23 | 1979-10-23 | Photometric method for flash photography and its device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5660418A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5666834A (en) * | 1979-11-02 | 1981-06-05 | Minolta Camera Co Ltd | Flashlight photographing photometric device |
| JPS5666835A (en) * | 1979-11-05 | 1981-06-05 | Minolta Camera Co Ltd | Flashlight photographing photometric device |
| JP2006050337A (ja) * | 2004-08-05 | 2006-02-16 | Sony Corp | 撮像装置、撮像方法および撮像制御プログラム |
| US7697062B2 (en) * | 2006-11-08 | 2010-04-13 | Sony Ericsson Mobile Communications Ab | Camera and method in a camera |
-
1979
- 1979-10-23 JP JP13720979A patent/JPS5660418A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5660418A (en) | 1981-05-25 |