CA479287A - Camera focussing devices - Google Patents
Camera focussing devicesInfo
- Publication number
- CA479287A CA479287A CA479287A CA479287DA CA479287A CA 479287 A CA479287 A CA 479287A CA 479287 A CA479287 A CA 479287A CA 479287D A CA479287D A CA 479287DA CA 479287 A CA479287 A CA 479287A
- Authority
- CA
- Canada
- Prior art keywords
- focussing devices
- camera focussing
- camera
- devices
- focussing
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA479287T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA479287A true CA479287A (en) | 1951-12-11 |
Family
ID=35618954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA479287A Expired CA479287A (en) | Camera focussing devices |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA479287A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2940371A (en) * | 1957-04-19 | 1960-06-14 | Raymond C Thurow | Focusing apparatus for camera |
US4801963A (en) * | 1985-12-18 | 1989-01-31 | Canon Kabushiki Kaisha | Focus detecting system |
-
0
- CA CA479287A patent/CA479287A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2940371A (en) * | 1957-04-19 | 1960-06-14 | Raymond C Thurow | Focusing apparatus for camera |
US4801963A (en) * | 1985-12-18 | 1989-01-31 | Canon Kabushiki Kaisha | Focus detecting system |
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