GB1557060A - Fixed point photographic expousuremeter - Google Patents
Fixed point photographic expousuremeterInfo
- Publication number
- GB1557060A GB1557060A GB5245476A GB5245476A GB1557060A GB 1557060 A GB1557060 A GB 1557060A GB 5245476 A GB5245476 A GB 5245476A GB 5245476 A GB5245476 A GB 5245476A GB 1557060 A GB1557060 A GB 1557060A
- Authority
- GB
- United Kingdom
- Prior art keywords
- expousuremeter
- fixed point
- point photographic
- photographic
- fixed
- 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)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Exposure Control For Cameras (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17641275U JPS5290040U (en) | 1975-12-27 | 1975-12-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1557060A true GB1557060A (en) | 1979-12-05 |
Family
ID=16013225
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5245476A Expired GB1557060A (en) | 1975-12-27 | 1976-12-15 | Fixed point photographic expousuremeter |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5290040U (en) |
DE (2) | DE2658699A1 (en) |
GB (1) | GB1557060A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2209849A (en) * | 1987-09-14 | 1989-05-24 | Peter Jeremy Paul Molloy | A tonal metering system |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0013676B1 (en) * | 1979-01-30 | 1982-03-10 | Rollei-Werke Franke & Heidecke GmbH + Co KG | Exposure display in a camera viewfinder |
JPH0138856Y2 (en) * | 1980-06-03 | 1989-11-20 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4410943Y1 (en) * | 1964-09-04 | 1969-05-06 | ||
JPS456149Y1 (en) * | 1967-05-02 | 1970-03-26 | ||
JPS5843726B2 (en) * | 1973-02-06 | 1983-09-28 | キヤノン株式会社 | Satsuage Youhohihiyoujihoushiki |
-
1975
- 1975-12-27 JP JP17641275U patent/JPS5290040U/ja active Pending
-
1976
- 1976-12-15 GB GB5245476A patent/GB1557060A/en not_active Expired
- 1976-12-23 DE DE19762658699 patent/DE2658699A1/en active Pending
- 1976-12-23 DE DE19767640472 patent/DE7640472U1/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2209849A (en) * | 1987-09-14 | 1989-05-24 | Peter Jeremy Paul Molloy | A tonal metering system |
Also Published As
Publication number | Publication date |
---|---|
JPS5290040U (en) | 1977-07-05 |
DE7640472U1 (en) | 1979-03-08 |
DE2658699A1 (en) | 1977-07-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19961214 |