JPH0532733B2 - - Google Patents
Info
- Publication number
- JPH0532733B2 JPH0532733B2 JP1776283A JP1776283A JPH0532733B2 JP H0532733 B2 JPH0532733 B2 JP H0532733B2 JP 1776283 A JP1776283 A JP 1776283A JP 1776283 A JP1776283 A JP 1776283A JP H0532733 B2 JPH0532733 B2 JP H0532733B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- focus
- lens
- apertures
- 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 - Lifetime
Links
- 238000009826 distribution Methods 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 2
- 238000003491 array Methods 0.000 description 12
- 238000003384 imaging method Methods 0.000 description 12
- 230000000737 periodic effect Effects 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000001747 pupil Anatomy 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000011514 reflex 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
- G02B7/34—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)
- Testing Of Optical Devices Or Fibers (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1776283A JPS59143112A (ja) | 1983-02-05 | 1983-02-05 | 焦点検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1776283A JPS59143112A (ja) | 1983-02-05 | 1983-02-05 | 焦点検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59143112A JPS59143112A (ja) | 1984-08-16 |
| JPH0532733B2 true JPH0532733B2 (en, 2012) | 1993-05-17 |
Family
ID=11952721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1776283A Granted JPS59143112A (ja) | 1983-02-05 | 1983-02-05 | 焦点検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59143112A (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0820589B2 (ja) * | 1986-07-02 | 1996-03-04 | ミノルタ株式会社 | 焦点検出装置 |
| JP2013097154A (ja) * | 2011-10-31 | 2013-05-20 | Olympus Corp | 距離測定装置、撮像装置、距離測定方法 |
| CN107091729B (zh) * | 2017-05-12 | 2019-04-12 | 南京邮电大学 | 一种无机械运动的透镜焦距测试方法 |
-
1983
- 1983-02-05 JP JP1776283A patent/JPS59143112A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59143112A (ja) | 1984-08-16 |
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