DE3443216C2 - - Google Patents
Info
- Publication number
- DE3443216C2 DE3443216C2 DE3443216A DE3443216A DE3443216C2 DE 3443216 C2 DE3443216 C2 DE 3443216C2 DE 3443216 A DE3443216 A DE 3443216A DE 3443216 A DE3443216 A DE 3443216A DE 3443216 C2 DE3443216 C2 DE 3443216C2
- Authority
- DE
- Germany
- Prior art keywords
- stage
- amplifier
- film
- ambient light
- signal
- 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
- 230000035945 sensitivity Effects 0.000 claims description 42
- 238000013016 damping Methods 0.000 claims description 16
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 description 10
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 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
- G03B7/24—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly automatically in accordance with markings or other means indicating film speed or kind of film on the magazine to be inserted in the camera
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/652,081 US4558934A (en) | 1984-09-20 | 1984-09-20 | Camera exposure control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3443216A1 DE3443216A1 (de) | 1986-03-27 |
| DE3443216C2 true DE3443216C2 (enExample) | 1987-11-12 |
Family
ID=24615441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19843443216 Granted DE3443216A1 (de) | 1984-09-20 | 1984-11-27 | Elektrische kamera mit belichtungssteuereinrichtung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4558934A (enExample) |
| DE (1) | DE3443216A1 (enExample) |
| GB (1) | GB2149522B (enExample) |
| HK (1) | HK59389A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4779109A (en) * | 1985-12-20 | 1988-10-18 | Canon Kabushiki Kaisha | Camera having film information reading device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4200371A (en) * | 1976-10-15 | 1980-04-29 | Canon Kabushiki Kaisha | Photographic camera with film speed setting system |
| JPS5791440A (en) * | 1980-11-28 | 1982-06-07 | Kobe Steel Ltd | Tire tester |
| DE3150284C2 (de) * | 1980-12-19 | 1985-10-31 | Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa | Belichtungssteuereinrichtung in einer photographischen Kamera |
| JPS57202524A (en) * | 1981-06-08 | 1982-12-11 | Minolta Camera Co Ltd | Equipment for automatically setting sensitivity of film |
-
1984
- 1984-09-20 US US06/652,081 patent/US4558934A/en not_active Expired - Fee Related
- 1984-11-27 DE DE19843443216 patent/DE3443216A1/de active Granted
- 1984-11-27 GB GB08429882A patent/GB2149522B/en not_active Expired
-
1989
- 1989-07-27 HK HK593/89A patent/HK59389A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB8429882D0 (en) | 1985-01-03 |
| DE3443216A1 (de) | 1986-03-27 |
| GB2149522A (en) | 1985-06-12 |
| US4558934A (en) | 1985-12-17 |
| GB2149522B (en) | 1988-08-17 |
| HK59389A (en) | 1989-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |