CN102137233B - 照相机和照相机的测光方法 - Google Patents
照相机和照相机的测光方法 Download PDFInfo
- Publication number
- CN102137233B CN102137233B CN201010539976.8A CN201010539976A CN102137233B CN 102137233 B CN102137233 B CN 102137233B CN 201010539976 A CN201010539976 A CN 201010539976A CN 102137233 B CN102137233 B CN 102137233B
- Authority
- CN
- China
- Prior art keywords
- camera
- photographic lens
- image planes
- monochrome information
- focal adjustments
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 20
- 238000003384 imaging method Methods 0.000 claims description 45
- 230000009471 action Effects 0.000 claims description 41
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 4
- 238000005375 photometry Methods 0.000 description 114
- 238000012545 processing Methods 0.000 description 21
- 230000000694 effects Effects 0.000 description 13
- 238000004891 communication Methods 0.000 description 9
- 238000003825 pressing Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
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- 230000006870 function Effects 0.000 description 3
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- 238000005520 cutting process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
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- 241001269238 Data Species 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
-
- 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
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
-
- 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
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/28—Circuitry to measure or to take account of the object contrast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/63—Control of cameras or camera modules by using electronic viewfinders
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
- H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009265551A JP5478213B2 (ja) | 2009-11-20 | 2009-11-20 | カメラ |
JP2009-265551 | 2009-11-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102137233A CN102137233A (zh) | 2011-07-27 |
CN102137233B true CN102137233B (zh) | 2014-09-03 |
Family
ID=44061835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010539976.8A Expired - Fee Related CN102137233B (zh) | 2009-11-20 | 2010-11-11 | 照相机和照相机的测光方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8958008B2 (zh) |
JP (1) | JP5478213B2 (zh) |
CN (1) | CN102137233B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101617363B (zh) * | 2007-02-21 | 2012-09-05 | 艾利森电话股份有限公司 | 双端话音检测器 |
JP5221931B2 (ja) * | 2007-10-31 | 2013-06-26 | キヤノン株式会社 | 撮像装置及びその制御方法 |
JP6019556B2 (ja) * | 2011-09-08 | 2016-11-02 | 株式会社ニコン | 焦点検出装置、撮像装置、およびカメラ。 |
CN104041007B (zh) * | 2011-12-28 | 2017-08-11 | 富士胶片株式会社 | 拍摄装置及其控制方法、可换镜头与镜头可换式拍摄装置主体 |
DE112012005662B4 (de) | 2012-01-13 | 2018-04-26 | Canon Kabushiki Kaisha | Linseneinheit, Bildaufnahmegerät und Verfahren zur Steuerung einer Linseneinheit und eines Bildaufnahmegeräts |
JP6148575B2 (ja) * | 2013-08-20 | 2017-06-14 | キヤノン株式会社 | 撮像装置およびその制御方法、プログラム並びに記憶媒体 |
CN105979161B (zh) * | 2016-06-07 | 2019-05-10 | Oppo广东移动通信有限公司 | 拍照时的测光方法、装置及系统 |
CN109151299B (zh) * | 2017-06-27 | 2021-03-19 | 虹软科技股份有限公司 | 一种用于对焦的方法和装置 |
KR20230139444A (ko) * | 2022-03-28 | 2023-10-05 | 한국광기술원 | 카메라 교환렌즈 제어장치 및 그를 포함하는 카메라 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1144914A (zh) * | 1994-05-16 | 1997-03-12 | 三星航空产业株式会社 | 连续亮度测量装置及测量方法 |
CN101001325A (zh) * | 2006-01-13 | 2007-07-18 | 奥林巴斯映像株式会社 | 数字照相机 |
CN101197940A (zh) * | 2003-09-29 | 2008-06-11 | 佳能株式会社 | 摄影装置以及摄影装置的控制方法 |
CN101464614A (zh) * | 2007-12-19 | 2009-06-24 | 佳能株式会社 | 摄像设备、照相机系统及其控制方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02125575A (ja) | 1988-11-04 | 1990-05-14 | Fuji Photo Film Co Ltd | 電子スチルカメラ |
JP2005215206A (ja) * | 2004-01-28 | 2005-08-11 | Canon Inc | 撮像装置および撮像方法及びプログラム及び記憶媒体 |
JP4574185B2 (ja) * | 2004-02-17 | 2010-11-04 | キヤノン株式会社 | 撮像装置及び閃光装置の制御方法 |
JP2006325067A (ja) * | 2005-05-20 | 2006-11-30 | Konica Minolta Photo Imaging Inc | 撮像装置、撮像装置の制御方法 |
JP2007316401A (ja) * | 2006-05-26 | 2007-12-06 | Sony Corp | 撮像装置および撮像制御方法 |
JP2008242226A (ja) * | 2007-03-28 | 2008-10-09 | Fujifilm Corp | 撮影装置、及び撮影レンズの合焦制御方法 |
JP5221931B2 (ja) * | 2007-10-31 | 2013-06-26 | キヤノン株式会社 | 撮像装置及びその制御方法 |
JP2010258654A (ja) * | 2009-04-23 | 2010-11-11 | Panasonic Corp | 撮像装置及びカメラ本体 |
-
2009
- 2009-11-20 JP JP2009265551A patent/JP5478213B2/ja active Active
-
2010
- 2010-10-19 US US12/907,686 patent/US8958008B2/en active Active
- 2010-11-11 CN CN201010539976.8A patent/CN102137233B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1144914A (zh) * | 1994-05-16 | 1997-03-12 | 三星航空产业株式会社 | 连续亮度测量装置及测量方法 |
CN101197940A (zh) * | 2003-09-29 | 2008-06-11 | 佳能株式会社 | 摄影装置以及摄影装置的控制方法 |
CN101001325A (zh) * | 2006-01-13 | 2007-07-18 | 奥林巴斯映像株式会社 | 数字照相机 |
CN101464614A (zh) * | 2007-12-19 | 2009-06-24 | 佳能株式会社 | 摄像设备、照相机系统及其控制方法 |
Also Published As
Publication number | Publication date |
---|---|
JP5478213B2 (ja) | 2014-04-23 |
US20110122310A1 (en) | 2011-05-26 |
JP2011109623A (ja) | 2011-06-02 |
CN102137233A (zh) | 2011-07-27 |
US8958008B2 (en) | 2015-02-17 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20151204 Address after: Tokyo, Japan Patentee after: OLYMPUS Corp. Address before: Tokyo, Japan Patentee before: Olympus Imaging Corp. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211216 Address after: Tokyo, Japan Patentee after: Aozhixin Digital Technology Co.,Ltd. Address before: Tokyo, Japan Patentee before: OLYMPUS Corp. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 |