DE69030149D1 - Kamera mit automatischer Scharfeinstellung - Google Patents
Kamera mit automatischer ScharfeinstellungInfo
- Publication number
- DE69030149D1 DE69030149D1 DE69030149T DE69030149T DE69030149D1 DE 69030149 D1 DE69030149 D1 DE 69030149D1 DE 69030149 T DE69030149 T DE 69030149T DE 69030149 T DE69030149 T DE 69030149T DE 69030149 D1 DE69030149 D1 DE 69030149D1
- Authority
- DE
- Germany
- Prior art keywords
- auto focus
- focus camera
- camera
- auto
- focus
- 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
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1255698A JPH03117275A (ja) | 1989-09-29 | 1989-09-29 | オートフォーカスカメラ |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69030149D1 true DE69030149D1 (de) | 1997-04-17 |
DE69030149T2 DE69030149T2 (de) | 1997-10-09 |
Family
ID=17282398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69030149T Expired - Fee Related DE69030149T2 (de) | 1989-09-29 | 1990-09-25 | Kamera mit automatischer Scharfeinstellung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5075777A (de) |
EP (1) | EP0421243B1 (de) |
JP (1) | JPH03117275A (de) |
KR (1) | KR910007346A (de) |
DE (1) | DE69030149T2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2935901B2 (ja) * | 1990-12-06 | 1999-08-16 | キヤノン株式会社 | 撮像装置 |
JP3494479B2 (ja) * | 1994-09-01 | 2004-02-09 | 株式会社リコー | フォーカス制御装置 |
US5668597A (en) * | 1994-12-30 | 1997-09-16 | Eastman Kodak Company | Electronic camera with rapid automatic focus of an image upon a progressive scan image sensor |
US5969760A (en) * | 1996-03-14 | 1999-10-19 | Polaroid Corporation | Electronic still camera having mechanically adjustable CCD to effect focus |
JP4160664B2 (ja) * | 1998-08-04 | 2008-10-01 | 株式会社リコー | オートフォーカス装置、カメラ、および合焦位置決定方法 |
JP3592147B2 (ja) * | 1998-08-20 | 2004-11-24 | キヤノン株式会社 | 固体撮像装置 |
JP3897481B2 (ja) * | 1999-06-04 | 2007-03-22 | キヤノン株式会社 | カメラ及びその制御方法 |
JP2002323649A (ja) * | 2001-04-26 | 2002-11-08 | Hitachi Ltd | 撮像装置 |
JP3992992B2 (ja) * | 2002-02-19 | 2007-10-17 | 株式会社リコー | 被写体像取得装置 |
JP4314043B2 (ja) * | 2003-03-10 | 2009-08-12 | キヤノン株式会社 | 撮像装置 |
TWI303374B (en) * | 2006-03-01 | 2008-11-21 | Asia Optical Co Inc | Image contrast evaluation methods and applications thereof |
JP5466916B2 (ja) | 2009-10-15 | 2014-04-09 | 日本メクトロン株式会社 | スイッチモジュール |
US9392158B2 (en) | 2012-10-04 | 2016-07-12 | Nvidia Corporation | Method and system for intelligent dynamic autofocus search |
US9621780B2 (en) | 2012-10-04 | 2017-04-11 | Nvidia Corporation | Method and system of curve fitting for common focus measures |
US9031393B2 (en) | 2013-06-12 | 2015-05-12 | Nvidia Corporation | Methods for enhancing camera focusing performance using camera orientation |
CN106231171B (zh) * | 2015-12-31 | 2019-08-20 | 天津天地伟业物联网技术有限公司 | 一种用于摄像机的快速聚焦方法 |
CN109491091B (zh) * | 2019-01-10 | 2024-04-16 | 京东方科技集团股份有限公司 | 应用于vrar***中的光学***及其调焦方法 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5741079A (en) * | 1980-08-26 | 1982-03-06 | Asahi Optical Co Ltd | Automatic television camera exposure device by division of picture |
JPS58505A (ja) * | 1981-06-22 | 1983-01-05 | 上野 松蔵 | 橋の隣接上部構造相互離脱防止装置 |
JPS58161579A (ja) * | 1982-03-19 | 1983-09-26 | Hitachi Ltd | 自動合焦装置 |
JPS60103776A (ja) * | 1983-11-10 | 1985-06-08 | Sanyo Electric Co Ltd | オ−トフオ−カス制御回路 |
JPS60220666A (ja) * | 1984-04-18 | 1985-11-05 | Canon Inc | 撮像装置 |
JPH028456Y2 (de) * | 1984-10-26 | 1990-02-28 | ||
JPS61105978A (ja) * | 1984-10-30 | 1986-05-24 | Sanyo Electric Co Ltd | オ−トフオ−カス回路 |
JPS62163475A (ja) * | 1986-01-13 | 1987-07-20 | Canon Inc | 焦点検出装置 |
US4752831A (en) * | 1986-05-20 | 1988-06-21 | Polaroid Corporation | Focusing system for camera apparatus |
EP0251790A3 (de) * | 1986-07-04 | 1989-11-23 | Hitachi, Ltd. | Festkörperbildaufnahme-Vorrichtung |
JP2535845B2 (ja) * | 1986-10-08 | 1996-09-18 | キヤノン株式会社 | 自動合焦装置 |
JPS63125910A (ja) * | 1986-11-17 | 1988-05-30 | Sanyo Electric Co Ltd | オ−トフオ−カス回路 |
US4841370A (en) * | 1986-11-17 | 1989-06-20 | Sanyo Electric Co., Ltd. | Automatic focusing circuit for automatically matching focus in response to video signal |
US4858020A (en) * | 1987-01-28 | 1989-08-15 | Canon Kabushiki Kaisha | Image sensing device |
KR940011885B1 (ko) * | 1987-02-18 | 1994-12-27 | 상요덴기 가부시기가이샤 | 영상 신호에 기인해서 초점의 자동 정합을 행하는 오토포커스 회로 |
JPH0644806B2 (ja) * | 1987-02-18 | 1994-06-08 | 三洋電機株式会社 | オ−トフオ−カス回路 |
JPS63245073A (ja) * | 1987-03-31 | 1988-10-12 | Canon Inc | 撮像装置 |
JPS63246083A (ja) * | 1987-04-01 | 1988-10-13 | Fuji Electric Co Ltd | Ccd固体撮像素子とそれを用いた撮像方法 |
US4803550A (en) * | 1987-04-17 | 1989-02-07 | Olympus Optical Co., Ltd. | Imaging apparatus having illumination means |
US4922346A (en) * | 1987-06-30 | 1990-05-01 | Sanyo Electric Co., Ltd. | Automatic focusing apparatus having a variable focusing speed and particularly suited for use with interlaced scanning |
US4833541A (en) * | 1987-09-07 | 1989-05-23 | Sanyo Electric Co., Ltd. | Image sensing apparatus having function of automatically matching focus and exposure in response to video signal |
FR2631188A1 (fr) * | 1988-05-03 | 1989-11-10 | Thomson Csf | Photodetecteur matriciel a transfert de charges avec dispositif integre de filtrage de charges |
-
1989
- 1989-09-29 JP JP1255698A patent/JPH03117275A/ja active Pending
-
1990
- 1990-09-25 US US07/587,405 patent/US5075777A/en not_active Expired - Lifetime
- 1990-09-25 DE DE69030149T patent/DE69030149T2/de not_active Expired - Fee Related
- 1990-09-25 EP EP90118408A patent/EP0421243B1/de not_active Expired - Lifetime
- 1990-09-28 KR KR1019900015508A patent/KR910007346A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE69030149T2 (de) | 1997-10-09 |
US5075777A (en) | 1991-12-24 |
JPH03117275A (ja) | 1991-05-20 |
EP0421243B1 (de) | 1997-03-12 |
EP0421243A2 (de) | 1991-04-10 |
KR910007346A (ko) | 1991-04-30 |
EP0421243A3 (en) | 1993-05-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |