JPH0377487B2 - - Google Patents
Info
- Publication number
- JPH0377487B2 JPH0377487B2 JP56044182A JP4418281A JPH0377487B2 JP H0377487 B2 JPH0377487 B2 JP H0377487B2 JP 56044182 A JP56044182 A JP 56044182A JP 4418281 A JP4418281 A JP 4418281A JP H0377487 B2 JPH0377487 B2 JP H0377487B2
- Authority
- JP
- Japan
- Prior art keywords
- value
- evaluation
- evaluation function
- receiving element
- function value
- 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 - Lifetime
Links
- 238000011156 evaluation Methods 0.000 claims description 133
- 238000006243 chemical reaction Methods 0.000 claims description 43
- 238000003384 imaging method Methods 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 20
- 230000006870 function Effects 0.000 description 54
- 230000015654 memory Effects 0.000 description 35
- 230000003287 optical effect Effects 0.000 description 14
- 238000009826 distribution Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 238000003491 array Methods 0.000 description 7
- 238000007796 conventional method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000000758 substrate Substances 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4418281A JPS57158819A (en) | 1981-03-27 | 1981-03-27 | Method for focusing detection |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4418281A JPS57158819A (en) | 1981-03-27 | 1981-03-27 | Method for focusing detection |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57158819A JPS57158819A (en) | 1982-09-30 |
JPH0377487B2 true JPH0377487B2 (de) | 1991-12-10 |
Family
ID=12684426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4418281A Granted JPS57158819A (en) | 1981-03-27 | 1981-03-27 | Method for focusing detection |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57158819A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59177509A (ja) * | 1983-03-29 | 1984-10-08 | Kyocera Corp | レンズの無限遠側移動限界における自動焦点制御装置 |
JP2007219029A (ja) * | 2006-02-15 | 2007-08-30 | Sharp Corp | 自動焦点調整装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5557809A (en) * | 1978-10-24 | 1980-04-30 | Olympus Optical Co Ltd | Focusing detection system |
JPS5587114A (en) * | 1978-12-25 | 1980-07-01 | Agency Of Ind Science & Technol | Focus position detector |
JPS5589819A (en) * | 1978-12-28 | 1980-07-07 | Asahi Optical Co Ltd | Focus detector of camera |
-
1981
- 1981-03-27 JP JP4418281A patent/JPS57158819A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5557809A (en) * | 1978-10-24 | 1980-04-30 | Olympus Optical Co Ltd | Focusing detection system |
JPS5587114A (en) * | 1978-12-25 | 1980-07-01 | Agency Of Ind Science & Technol | Focus position detector |
JPS5589819A (en) * | 1978-12-28 | 1980-07-07 | Asahi Optical Co Ltd | Focus detector of camera |
Also Published As
Publication number | Publication date |
---|---|
JPS57158819A (en) | 1982-09-30 |
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