GB1391131A - Exposure value indicating means - Google Patents
Exposure value indicating meansInfo
- Publication number
- GB1391131A GB1391131A GB940373A GB940373A GB1391131A GB 1391131 A GB1391131 A GB 1391131A GB 940373 A GB940373 A GB 940373A GB 940373 A GB940373 A GB 940373A GB 1391131 A GB1391131 A GB 1391131A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diodes
- exposure
- feb
- speed
- correct
- 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
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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/18—Signals indicating condition of a camera member or suitability of light
- G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
- Analogue/Digital Conversion (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2033472A JPS532325B2 (nl) | 1972-02-28 | 1972-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1391131A true GB1391131A (en) | 1975-04-16 |
Family
ID=12024223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB940373A Expired GB1391131A (en) | 1972-02-28 | 1973-02-26 | Exposure value indicating means |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS532325B2 (nl) |
DE (1) | DE7307475U (nl) |
FR (1) | FR2174628A5 (nl) |
GB (1) | GB1391131A (nl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4233598A (en) | 1977-08-30 | 1980-11-11 | Molins Limited | Emergency stop circuit monitoring system |
GB2187054A (en) * | 1986-02-21 | 1987-08-26 | Stc Plc | Analogue to digital converters |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51140626A (en) * | 1975-05-28 | 1976-12-03 | Minolta Camera Co Ltd | Digital indication device |
JPS5428624A (en) * | 1977-08-05 | 1979-03-03 | Minolta Camera Co Ltd | Digital display device of f/stops of cameras |
JPS5434822A (en) * | 1977-08-24 | 1979-03-14 | Hitachi Ltd | Dot alley type display device |
JPS5659320A (en) * | 1979-10-17 | 1981-05-22 | Matsushita Electric Ind Co Ltd | Voltage control resistance equipment |
-
1972
- 1972-02-28 JP JP2033472A patent/JPS532325B2/ja not_active Expired
-
1973
- 1973-02-26 GB GB940373A patent/GB1391131A/en not_active Expired
- 1973-02-27 DE DE19737307475 patent/DE7307475U/de not_active Expired
- 1973-02-28 FR FR7307205A patent/FR2174628A5/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4233598A (en) | 1977-08-30 | 1980-11-11 | Molins Limited | Emergency stop circuit monitoring system |
GB2187054A (en) * | 1986-02-21 | 1987-08-26 | Stc Plc | Analogue to digital converters |
GB2187054B (en) * | 1986-02-21 | 1989-04-26 | Stc Plc | Analogue to digital converters |
Also Published As
Publication number | Publication date |
---|---|
DE2309764B2 (de) | 1975-03-06 |
DE2309764A1 (de) | 1973-09-13 |
FR2174628A5 (nl) | 1973-10-12 |
DE7307475U (de) | 1973-12-06 |
JPS532325B2 (nl) | 1978-01-27 |
JPS4890226A (nl) | 1973-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1444643A (en) | Warning device for photographic cameras | |
GB1062578A (en) | Photographic camera | |
GB1199056A (en) | Interchangeable Objectives for a Reflex Camera | |
GB1391131A (en) | Exposure value indicating means | |
GB1184216A (en) | Filter Control Device for a Photographic Camera | |
GB1132771A (en) | Photographic camera | |
JPS5217817A (en) | Light measure device fot the single lens reflex camera | |
GB1520924A (en) | Exposure display device for a single lens reflex camera | |
GB1404323A (en) | Quantized indication arrangement | |
GB1440211A (en) | Exposure meters | |
GB1536286A (en) | Exposure meter | |
GB1034395A (en) | A cinematographic camera and a film-sensitivity control device therefor | |
GB1525249A (en) | Photographic camera | |
GB909863A (en) | Improvements in photographic cameras, more especially cine-cameras, including photoelectric diaphragm control means | |
GB1110189A (en) | Improvements relating to photometric apparatus | |
GB1321628A (en) | Exposure quantity control device for a camera | |
GB1525596A (en) | Shutter speed display device for a camera | |
GB1524134A (en) | Photographic camera exposure indicating device | |
GB943412A (en) | Improvements in or relating to photographic cameras | |
GB1524096A (en) | Camera exposure indicating device | |
FR2199409A5 (nl) | ||
GB1110593A (en) | Photoelectric device | |
GB1481651A (en) | Camera circuit arrangement for the pre-exposure indication of exposure time | |
GB1215744A (en) | Photographic camera | |
GB1527306A (en) | Camera |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |