JPH0521207B2 - - Google Patents
Info
- Publication number
- JPH0521207B2 JPH0521207B2 JP17944482A JP17944482A JPH0521207B2 JP H0521207 B2 JPH0521207 B2 JP H0521207B2 JP 17944482 A JP17944482 A JP 17944482A JP 17944482 A JP17944482 A JP 17944482A JP H0521207 B2 JPH0521207 B2 JP H0521207B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- focus
- defocus
- lens
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 58
- 238000012545 processing Methods 0.000 claims description 21
- 238000012935 Averaging Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 6
- 238000012937 correction Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims 2
- 230000010354 integration Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000005375 photometry 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
- G02B7/36—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)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17944482A JPS5968713A (ja) | 1982-10-13 | 1982-10-13 | カメラの自動焦点調節装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17944482A JPS5968713A (ja) | 1982-10-13 | 1982-10-13 | カメラの自動焦点調節装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5968713A JPS5968713A (ja) | 1984-04-18 |
| JPH0521207B2 true JPH0521207B2 (enrdf_load_stackoverflow) | 1993-03-23 |
Family
ID=16065963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17944482A Granted JPS5968713A (ja) | 1982-10-13 | 1982-10-13 | カメラの自動焦点調節装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5968713A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62169131A (ja) * | 1986-01-21 | 1987-07-25 | Sony Corp | カメラ |
| JPH06100713B2 (ja) * | 1986-04-09 | 1994-12-12 | ミノルタ株式会社 | 自動焦点調節装置 |
| JP2710240B2 (ja) * | 1986-06-25 | 1998-02-10 | ミノルタ株式会社 | 自動焦点調節装置 |
| JP2934706B2 (ja) * | 1988-11-28 | 1999-08-16 | 株式会社ニコン | 自動焦点調節装置 |
| JP2770408B2 (ja) * | 1989-04-24 | 1998-07-02 | ミノルタ株式会社 | 焦点検出装置 |
| JP3774938B2 (ja) * | 1996-05-17 | 2006-05-17 | 株式会社ニコン | カメラの焦点検出装置およびカメラ |
-
1982
- 1982-10-13 JP JP17944482A patent/JPS5968713A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5968713A (ja) | 1984-04-18 |
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