JPS578451B2 - - Google Patents
Info
- Publication number
- JPS578451B2 JPS578451B2 JP3173173A JP3173173A JPS578451B2 JP S578451 B2 JPS578451 B2 JP S578451B2 JP 3173173 A JP3173173 A JP 3173173A JP 3173173 A JP3173173 A JP 3173173A JP S578451 B2 JPS578451 B2 JP S578451B2
- Authority
- JP
- Japan
- 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
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
- G03B7/081—Analogue circuits
- G03B7/087—Analogue circuits for control of both exposure time and aperture
-
- 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
- G03B7/081—Analogue circuits
- G03B7/089—Analogue circuits for storage of exposure value in mirror reflex cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Control For Cameras (AREA)
- Stroboscope Apparatuses (AREA)
- Control Of Exposure In Printing And Copying (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2213442A DE2213442C3 (en) | 1972-03-20 | 1972-03-20 | Single lens reflex camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS498222A JPS498222A (en) | 1974-01-24 |
| JPS578451B2 true JPS578451B2 (en) | 1982-02-16 |
Family
ID=5839497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3173173A Expired JPS578451B2 (en) | 1972-03-20 | 1973-03-19 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS578451B2 (en) |
| DE (1) | DE2213442C3 (en) |
| GB (1) | GB1381994A (en) |
| HK (1) | HK82376A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2316812C2 (en) * | 1973-04-04 | 1982-10-21 | Rollei-Werke Franke & Heidecke Gmbh & Co Kg, 3300 Braunschweig | "Photographic aperture for a still camera" |
| DE2703415C3 (en) * | 1977-01-28 | 1980-05-14 | Agfa-Gevaert Ag, 5090 Leverkusen | Photographic copier |
| CN113552084A (en) * | 2021-07-29 | 2021-10-26 | 深圳市先亚生物科技有限公司 | System, method and device for eliminating interference of spectrum detection background signal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2126170A1 (en) * | 1970-05-28 | 1971-12-09 | Asahi Kogaku Kogyo K K , Tokio | Circuit to compensate for the light entering the viewfinder for use in the electrical shutter control circuit of a one-eyed mirror reflex camera |
| JPS4859837A (en) * | 1971-11-24 | 1973-08-22 |
-
1972
- 1972-03-20 DE DE2213442A patent/DE2213442C3/en not_active Expired
-
1973
- 1973-03-12 GB GB1181773A patent/GB1381994A/en not_active Expired
- 1973-03-19 JP JP3173173A patent/JPS578451B2/ja not_active Expired
-
1976
- 1976-12-30 HK HK823/76A patent/HK82376A/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2126170A1 (en) * | 1970-05-28 | 1971-12-09 | Asahi Kogaku Kogyo K K , Tokio | Circuit to compensate for the light entering the viewfinder for use in the electrical shutter control circuit of a one-eyed mirror reflex camera |
| JPS4859837A (en) * | 1971-11-24 | 1973-08-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2213442C3 (en) | 1975-01-09 |
| HK82376A (en) | 1977-01-07 |
| DE2213442B2 (en) | 1974-06-06 |
| DE2213442A1 (en) | 1973-10-04 |
| JPS498222A (en) | 1974-01-24 |
| GB1381994A (en) | 1975-01-29 |