JPS6357765B2 - - Google Patents
Info
- Publication number
- JPS6357765B2 JPS6357765B2 JP8335681A JP8335681A JPS6357765B2 JP S6357765 B2 JPS6357765 B2 JP S6357765B2 JP 8335681 A JP8335681 A JP 8335681A JP 8335681 A JP8335681 A JP 8335681A JP S6357765 B2 JPS6357765 B2 JP S6357765B2
- Authority
- JP
- Japan
- Prior art keywords
- element group
- photoelectric
- difference
- element groups
- photoelectric element
- 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
- 230000003287 optical effect Effects 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8335681A JPS57198417A (en) | 1981-05-31 | 1981-05-31 | Automatic focus detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8335681A JPS57198417A (en) | 1981-05-31 | 1981-05-31 | Automatic focus detector |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57198417A JPS57198417A (en) | 1982-12-06 |
JPS6357765B2 true JPS6357765B2 (zh) | 1988-11-14 |
Family
ID=13800151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8335681A Granted JPS57198417A (en) | 1981-05-31 | 1981-05-31 | Automatic focus detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57198417A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01107164U (zh) * | 1988-01-08 | 1989-07-19 |
-
1981
- 1981-05-31 JP JP8335681A patent/JPS57198417A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01107164U (zh) * | 1988-01-08 | 1989-07-19 |
Also Published As
Publication number | Publication date |
---|---|
JPS57198417A (en) | 1982-12-06 |
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