JPS59155807A - 自動焦点検出装置 - Google Patents
自動焦点検出装置Info
- Publication number
- JPS59155807A JPS59155807A JP2859483A JP2859483A JPS59155807A JP S59155807 A JPS59155807 A JP S59155807A JP 2859483 A JP2859483 A JP 2859483A JP 2859483 A JP2859483 A JP 2859483A JP S59155807 A JPS59155807 A JP S59155807A
- Authority
- JP
- Japan
- Prior art keywords
- image
- focusing
- image data
- focus
- amount
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 210000001747 pupil Anatomy 0.000 abstract description 48
- CDFSOKHNACTNPU-GHUQRRHWSA-N 3-[(1r,3s,5s,8r,9s,10s,11r,13r,17r)-1,5,11,14-tetrahydroxy-10,13-dimethyl-3-[(2r,3r,4r,5s,6s)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy-2,3,4,6,7,8,9,11,12,15,16,17-dodecahydro-1h-cyclopenta[a]phenanthren-17-yl]-2h-furan-5-one Chemical compound O[C@@H]1[C@H](O)[C@H](O)[C@H](C)O[C@H]1O[C@@H]1C[C@@]2(O)CC[C@H]3C4(O)CC[C@H](C=5COC(=O)C=5)[C@@]4(C)C[C@@H](O)[C@@H]3[C@@]2(C)[C@H](O)C1 CDFSOKHNACTNPU-GHUQRRHWSA-N 0.000 abstract 1
- 238000004364 calculation method Methods 0.000 description 40
- 238000010586 diagram Methods 0.000 description 14
- 238000012937 correction Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 7
- 238000003384 imaging method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002093 peripheral effect 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
- G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2859483A JPS59155807A (ja) | 1983-02-24 | 1983-02-24 | 自動焦点検出装置 |
| DE3406578A DE3406578C2 (de) | 1983-02-24 | 1984-02-21 | Automatische Brennpunktermittlungsvorrichtung |
| US06/928,730 US4740678A (en) | 1983-02-24 | 1986-11-10 | Automatic focus detecting device in which two objects images formed through different light paths are converted to photoelectric signals |
| US07/140,537 US4833315A (en) | 1983-02-24 | 1988-01-04 | Automatic focus detecting device in which two object images formed through different light paths are converted to photoelectric signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2859483A JPS59155807A (ja) | 1983-02-24 | 1983-02-24 | 自動焦点検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59155807A true JPS59155807A (ja) | 1984-09-05 |
| JPH0553241B2 JPH0553241B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-08-09 |
Family
ID=12252913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2859483A Granted JPS59155807A (ja) | 1983-02-24 | 1983-02-24 | 自動焦点検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59155807A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02126212A (ja) * | 1988-11-07 | 1990-05-15 | Nikon Corp | 焦点検出装置 |
| US5572011A (en) * | 1993-12-28 | 1996-11-05 | Olympus Optical Co., Ltd. | Focus detecting method and distance measuring method with a plurality of light fluxes and a contrast operation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675607A (en) * | 1979-11-26 | 1981-06-22 | Ricoh Co Ltd | Automatic focus detecting device |
| JPS56101111A (en) * | 1980-01-14 | 1981-08-13 | Mamiya Koki Kk | Automatic focus adjustment method |
-
1983
- 1983-02-24 JP JP2859483A patent/JPS59155807A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5675607A (en) * | 1979-11-26 | 1981-06-22 | Ricoh Co Ltd | Automatic focus detecting device |
| JPS56101111A (en) * | 1980-01-14 | 1981-08-13 | Mamiya Koki Kk | Automatic focus adjustment method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02126212A (ja) * | 1988-11-07 | 1990-05-15 | Nikon Corp | 焦点検出装置 |
| US5572011A (en) * | 1993-12-28 | 1996-11-05 | Olympus Optical Co., Ltd. | Focus detecting method and distance measuring method with a plurality of light fluxes and a contrast operation |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0553241B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-08-09 |
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