JPH0375050B2 - - Google Patents
Info
- Publication number
- JPH0375050B2 JPH0375050B2 JP60031176A JP3117685A JPH0375050B2 JP H0375050 B2 JPH0375050 B2 JP H0375050B2 JP 60031176 A JP60031176 A JP 60031176A JP 3117685 A JP3117685 A JP 3117685A JP H0375050 B2 JPH0375050 B2 JP H0375050B2
- Authority
- JP
- Japan
- Prior art keywords
- value
- signal
- mode
- light
- measurement
- 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
- 238000005259 measurement Methods 0.000 claims description 35
- 230000010354 integration Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 9
- 238000005375 photometry Methods 0.000 description 33
- 238000000034 method Methods 0.000 description 12
- 101150065817 ROM2 gene Proteins 0.000 description 10
- 230000035945 sensitivity Effects 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 108091029480 NONCODE Proteins 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 210000004899 c-terminal region Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002699 waste material Substances 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
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/091—Digital circuits
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60031176A JPS60220831A (ja) | 1985-02-18 | 1985-02-18 | 露出計 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60031176A JPS60220831A (ja) | 1985-02-18 | 1985-02-18 | 露出計 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2030278A Division JPS54112629A (en) | 1978-02-22 | 1978-02-22 | Exposure control value display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60220831A JPS60220831A (ja) | 1985-11-05 |
| JPH0375050B2 true JPH0375050B2 (enrdf_load_stackoverflow) | 1991-11-28 |
Family
ID=12324134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60031176A Granted JPS60220831A (ja) | 1985-02-18 | 1985-02-18 | 露出計 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60220831A (enrdf_load_stackoverflow) |
-
1985
- 1985-02-18 JP JP60031176A patent/JPS60220831A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60220831A (ja) | 1985-11-05 |
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