JP4649974B2 - 焦点検出装置、カメラ - Google Patents
焦点検出装置、カメラ Download PDFInfo
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- JP4649974B2 JP4649974B2 JP2004364174A JP2004364174A JP4649974B2 JP 4649974 B2 JP4649974 B2 JP 4649974B2 JP 2004364174 A JP2004364174 A JP 2004364174A JP 2004364174 A JP2004364174 A JP 2004364174A JP 4649974 B2 JP4649974 B2 JP 4649974B2
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- JP
- Japan
- Prior art keywords
- focus detection
- photoelectric conversion
- conversion element
- accumulation
- detection areas
- 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.)
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Description
2:焦点検出光学系
3:イメージセンサアレイモジュール
4:焦点検出部
Claims (2)
- 撮影画面内に互いに平行になるように少なくとも3つ以上設定された一方向に延在する焦点検出領域のそれぞれに対応して設けられ、被写体像の光強度に応じて蓄積される電荷量に応じた信号列を出力する少なくとも3つ以上の光電変換素子列と、
被写界からの光束のうち、前記各焦点検出領域にそれぞれ対応する範囲の光束による被写体像を前記各光電変換素子列上にそれぞれ結像する光学系と、
前記各光電変換素子列における電荷蓄積時間をそれぞれ制御する蓄積制御手段と、
前記各光電変換素子列よりそれぞれ出力される信号列に基づいて、撮影レンズの焦点調節状態を検出する焦点検出手段とを備え、
前記蓄積制御手段は、前記焦点検出領域のうち互いに隣り合わない複数の焦点検出領域にそれぞれ対応する複数の光電変換素子列に対する前記電荷蓄積時間を共通に制御すると共に、前記光電変換素子列の前記電荷量が飽和する場合に、前記蓄積の時間を短くして再度の蓄積時間制御をすることを特徴とする焦点検出装置。 - 請求項1に記載の焦点検出装置を備えたことを特徴とするカメラ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004364174A JP4649974B2 (ja) | 2004-12-16 | 2004-12-16 | 焦点検出装置、カメラ |
US11/299,628 US7701502B2 (en) | 2004-12-16 | 2005-12-13 | Image sensor, focal point detection device and camera |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004364174A JP4649974B2 (ja) | 2004-12-16 | 2004-12-16 | 焦点検出装置、カメラ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2006171393A JP2006171393A (ja) | 2006-06-29 |
JP2006171393A5 JP2006171393A5 (ja) | 2008-04-03 |
JP4649974B2 true JP4649974B2 (ja) | 2011-03-16 |
Family
ID=36595891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004364174A Expired - Fee Related JP4649974B2 (ja) | 2004-12-16 | 2004-12-16 | 焦点検出装置、カメラ |
Country Status (2)
Country | Link |
---|---|
US (1) | US7701502B2 (ja) |
JP (1) | JP4649974B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4270349B2 (ja) * | 2006-10-27 | 2009-05-27 | オリンパス株式会社 | 焦点検出素子 |
JP4967826B2 (ja) * | 2007-05-31 | 2012-07-04 | 株式会社ニコン | 焦点検出装置および撮像装置 |
JP2009049858A (ja) * | 2007-08-22 | 2009-03-05 | Canon Inc | 撮像装置 |
JP5019385B2 (ja) * | 2007-11-22 | 2012-09-05 | オリンパスイメージング株式会社 | オートフォーカス用撮像素子 |
JP5204728B2 (ja) * | 2009-06-25 | 2013-06-05 | ペンタックスリコーイメージング株式会社 | 焦点検出装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01169420A (ja) * | 1987-12-25 | 1989-07-04 | Nikon Corp | 焦点検出装置 |
JPH06258572A (ja) * | 1993-03-03 | 1994-09-16 | Canon Inc | 測距センサ及び測距装置 |
JPH1039201A (ja) * | 1996-07-19 | 1998-02-13 | Asahi Optical Co Ltd | 焦点検出装置 |
JPH10108060A (ja) * | 1996-09-27 | 1998-04-24 | Canon Inc | 光電変換素子の蓄積制御装置及びこれを用いた焦点検出装置、カメラ |
JPH10104502A (ja) * | 1996-09-27 | 1998-04-24 | Canon Inc | 光電変換装置と撮像装置及びこれを用いた焦点検出装置 |
JP2000249907A (ja) * | 1999-02-26 | 2000-09-14 | Canon Inc | 測距装置及び測距方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5005040A (en) * | 1988-05-16 | 1991-04-02 | Minolta Camera Kabushiki Kaisha | Automatic focus adjusting apparatus of a camera |
JPH04179939A (ja) | 1990-11-14 | 1992-06-26 | Nikon Corp | 焦点検出装置 |
EP0486302B1 (en) * | 1990-11-14 | 1997-07-23 | Nikon Corporation | Focal point detection apparatus |
JPH06331885A (ja) | 1993-05-19 | 1994-12-02 | Canon Inc | 自動焦点検出装置 |
JPH0843716A (ja) * | 1994-07-28 | 1996-02-16 | Canon Inc | 光電変換素子の蓄積制御装置、焦点検出装置、及びカメラ |
JPH0875994A (ja) * | 1994-09-07 | 1996-03-22 | Nikon Corp | 焦点検出装置 |
US6577344B2 (en) * | 1996-09-27 | 2003-06-10 | Canon Kabushiki Kaisha | Focus state detection apparatus with image sensing device controls |
JP4334627B2 (ja) | 1997-04-14 | 2009-09-30 | オリンパス株式会社 | 光電変換装置 |
US6239912B1 (en) * | 1998-09-11 | 2001-05-29 | Nikon Corporation | Focal point detection apparatus |
JP4007716B2 (ja) * | 1999-04-20 | 2007-11-14 | オリンパス株式会社 | 撮像装置 |
US6922526B2 (en) * | 2003-02-18 | 2005-07-26 | Pentax Corporation | Focus detection device |
JP2005300844A (ja) * | 2004-04-09 | 2005-10-27 | Canon Inc | オートフォーカス用固体撮像装置とそれを用いたオートフォーカスカメラ |
JP2006064956A (ja) * | 2004-08-26 | 2006-03-09 | Canon Inc | オートフォーカス用固体撮像装置とそれを用いたオートフォーカスカメラ |
JP2006084556A (ja) * | 2004-09-14 | 2006-03-30 | Pentax Corp | 焦点検出装置 |
JP4624082B2 (ja) * | 2004-11-18 | 2011-02-02 | Hoya株式会社 | 焦点検出装置 |
JP4874538B2 (ja) * | 2004-11-18 | 2012-02-15 | Hoya株式会社 | 焦点検出装置 |
-
2004
- 2004-12-16 JP JP2004364174A patent/JP4649974B2/ja not_active Expired - Fee Related
-
2005
- 2005-12-13 US US11/299,628 patent/US7701502B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01169420A (ja) * | 1987-12-25 | 1989-07-04 | Nikon Corp | 焦点検出装置 |
JPH06258572A (ja) * | 1993-03-03 | 1994-09-16 | Canon Inc | 測距センサ及び測距装置 |
JPH1039201A (ja) * | 1996-07-19 | 1998-02-13 | Asahi Optical Co Ltd | 焦点検出装置 |
JPH10108060A (ja) * | 1996-09-27 | 1998-04-24 | Canon Inc | 光電変換素子の蓄積制御装置及びこれを用いた焦点検出装置、カメラ |
JPH10104502A (ja) * | 1996-09-27 | 1998-04-24 | Canon Inc | 光電変換装置と撮像装置及びこれを用いた焦点検出装置 |
JP2000249907A (ja) * | 1999-02-26 | 2000-09-14 | Canon Inc | 測距装置及び測距方法 |
Also Published As
Publication number | Publication date |
---|---|
US7701502B2 (en) | 2010-04-20 |
JP2006171393A (ja) | 2006-06-29 |
US20060133790A1 (en) | 2006-06-22 |
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