JPS57130324U - - Google Patents
Info
- Publication number
- JPS57130324U JPS57130324U JP1981013220U JP1322081U JPS57130324U JP S57130324 U JPS57130324 U JP S57130324U JP 1981013220 U JP1981013220 U JP 1981013220U JP 1322081 U JP1322081 U JP 1322081U JP S57130324 U JPS57130324 U JP S57130324U
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981013220U JPH0228508Y2 (enExample) | 1981-02-03 | 1981-02-03 | |
| US06/339,660 US4408854A (en) | 1981-02-03 | 1982-01-15 | Automatic focus detecting apparatus of a camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981013220U JPH0228508Y2 (enExample) | 1981-02-03 | 1981-02-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57130324U true JPS57130324U (enExample) | 1982-08-13 |
| JPH0228508Y2 JPH0228508Y2 (enExample) | 1990-07-31 |
Family
ID=11827084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981013220U Expired JPH0228508Y2 (enExample) | 1981-02-03 | 1981-02-03 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4408854A (enExample) |
| JP (1) | JPH0228508Y2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58132735A (ja) * | 1982-02-03 | 1983-08-08 | Canon Inc | カメラ |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5662220A (en) * | 1979-10-26 | 1981-05-28 | Canon Inc | Unstable operation preventing system of automatic focus detector |
| JPS5788415A (en) * | 1980-11-21 | 1982-06-02 | Mamiya Koki Kk | Automatic focusing control device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3967056A (en) * | 1973-02-26 | 1976-06-29 | Minolta Camera Kabushiki Kaisha | Automatic focusing apparatus |
-
1981
- 1981-02-03 JP JP1981013220U patent/JPH0228508Y2/ja not_active Expired
-
1982
- 1982-01-15 US US06/339,660 patent/US4408854A/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5662220A (en) * | 1979-10-26 | 1981-05-28 | Canon Inc | Unstable operation preventing system of automatic focus detector |
| JPS5788415A (en) * | 1980-11-21 | 1982-06-02 | Mamiya Koki Kk | Automatic focusing control device |
Also Published As
| Publication number | Publication date |
|---|---|
| US4408854A (en) | 1983-10-11 |
| JPH0228508Y2 (enExample) | 1990-07-31 |