CN101581822B - 焦点检测设备和焦点检测方法 - Google Patents
焦点检测设备和焦点检测方法 Download PDFInfo
- Publication number
- CN101581822B CN101581822B CN 200910203258 CN200910203258A CN101581822B CN 101581822 B CN101581822 B CN 101581822B CN 200910203258 CN200910203258 CN 200910203258 CN 200910203258 A CN200910203258 A CN 200910203258A CN 101581822 B CN101581822 B CN 101581822B
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- Prior art keywords
- line sensor
- output
- accumulation
- sensor
- focus detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 128
- 238000009825 accumulation Methods 0.000 claims abstract description 194
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- 238000000034 method Methods 0.000 claims description 56
- 238000005259 measurement Methods 0.000 claims description 37
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- 230000003321 amplification Effects 0.000 description 19
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Images
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- Focusing (AREA)
- Studio Devices (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004374766A JP2006184320A (ja) | 2004-12-24 | 2004-12-24 | 焦点検出装置及び焦点検出方法 |
| JP2004374766 | 2004-12-24 | ||
| JP2004-374766 | 2004-12-24 | ||
| JP2005-031277 | 2005-02-08 | ||
| JP2005031277 | 2005-02-08 | ||
| JP2005031277 | 2005-02-08 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800444270A Division CN101088038B (zh) | 2004-12-24 | 2005-12-15 | 焦点检测设备、焦点检测方法和光学装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101581822A CN101581822A (zh) | 2009-11-18 |
| CN101581822B true CN101581822B (zh) | 2013-11-06 |
Family
ID=36737516
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910203258 Expired - Fee Related CN101581822B (zh) | 2004-12-24 | 2005-12-15 | 焦点检测设备和焦点检测方法 |
| CN2005800444270A Expired - Fee Related CN101088038B (zh) | 2004-12-24 | 2005-12-15 | 焦点检测设备、焦点检测方法和光学装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005800444270A Expired - Fee Related CN101088038B (zh) | 2004-12-24 | 2005-12-15 | 焦点检测设备、焦点检测方法和光学装置 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006184320A (https=) |
| CN (2) | CN101581822B (https=) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5552214B2 (ja) * | 2008-03-11 | 2014-07-16 | キヤノン株式会社 | 焦点検出装置 |
| JP5319347B2 (ja) * | 2009-03-17 | 2013-10-16 | キヤノン株式会社 | 撮像装置及びその制御方法 |
| JP5576664B2 (ja) * | 2010-01-21 | 2014-08-20 | キヤノン株式会社 | 焦点検出装置及び方法 |
| JP5455988B2 (ja) | 2010-08-18 | 2014-03-26 | キヤノン株式会社 | 焦点検出装置およびそれを有する撮像装置 |
| JP5769449B2 (ja) * | 2011-03-03 | 2015-08-26 | オリンパス株式会社 | 焦点調節装置 |
| JP6077872B2 (ja) * | 2013-02-06 | 2017-02-08 | キヤノン株式会社 | 焦点検出装置及びその制御方法 |
| JP6257245B2 (ja) * | 2013-09-27 | 2018-01-10 | キヤノン株式会社 | 撮像装置及びその制御方法 |
| JP6539015B2 (ja) | 2013-12-05 | 2019-07-03 | キヤノン株式会社 | 撮像装置及びその制御方法 |
| JP6378519B2 (ja) * | 2014-03-27 | 2018-08-22 | キヤノン株式会社 | 焦点検出装置及びその制御方法、及び、撮像装置 |
| JP6462189B2 (ja) * | 2016-07-06 | 2019-01-30 | 富士フイルム株式会社 | 合焦制御装置、合焦制御方法、合焦制御プログラム、レンズ装置、撮像装置 |
| US10175452B2 (en) * | 2017-01-19 | 2019-01-08 | Canon Kabushiki Kaisha | Focus detection apparatus, control method, and storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5097282A (en) * | 1987-02-06 | 1992-03-17 | Minolta Camera Kabushiki Kaisha | Automatic focusing apparatus |
| US5278602A (en) * | 1989-05-09 | 1994-01-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Distance measuring device |
| JPH11352394A (ja) * | 1998-06-09 | 1999-12-24 | Minolta Co Ltd | 焦点検出装置 |
| JP4147841B2 (ja) * | 2001-09-11 | 2008-09-10 | セイコーエプソン株式会社 | 光学装置の製造方法、この方法により製造された光学装置、およびこの光学装置を備えるプロジェクタ |
| JP4496463B2 (ja) * | 2004-03-29 | 2010-07-07 | ソニー株式会社 | 撮像装置および方法、記録媒体、並びにプログラム |
-
2004
- 2004-12-24 JP JP2004374766A patent/JP2006184320A/ja active Pending
-
2005
- 2005-12-15 CN CN 200910203258 patent/CN101581822B/zh not_active Expired - Fee Related
- 2005-12-15 CN CN2005800444270A patent/CN101088038B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101581822A (zh) | 2009-11-18 |
| JP2006184320A (ja) | 2006-07-13 |
| CN101088038A (zh) | 2007-12-12 |
| CN101088038B (zh) | 2010-07-28 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20181215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |