DE3361983D1 - Automatic focussing apparatus - Google Patents
Automatic focussing apparatusInfo
- Publication number
- DE3361983D1 DE3361983D1 DE8383104131T DE3361983T DE3361983D1 DE 3361983 D1 DE3361983 D1 DE 3361983D1 DE 8383104131 T DE8383104131 T DE 8383104131T DE 3361983 T DE3361983 T DE 3361983T DE 3361983 D1 DE3361983 D1 DE 3361983D1
- Authority
- DE
- Germany
- Prior art keywords
- automatic focussing
- focussing apparatus
- automatic
- focussing
- 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
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
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57072109A JPS58188967A (ja) | 1982-04-28 | 1982-04-28 | 光路長可変装置 |
JP57072107A JPS58188965A (ja) | 1982-04-28 | 1982-04-28 | 自動焦点整合装置 |
JP57072108A JPS58188966A (ja) | 1982-04-28 | 1982-04-28 | 自動焦点整合装置 |
JP57099651A JPS58215873A (ja) | 1982-06-09 | 1982-06-09 | 自動焦点整合装置 |
JP58008430A JPS59133783A (ja) | 1983-01-20 | 1983-01-20 | 自動焦点整合装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3361983D1 true DE3361983D1 (en) | 1986-03-13 |
Family
ID=27518945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383104131T Expired DE3361983D1 (en) | 1982-04-28 | 1983-04-27 | Automatic focussing apparatus |
Country Status (5)
Country | Link |
---|---|
US (1) | US4484806A (de) |
EP (1) | EP0092850B1 (de) |
AU (1) | AU538849B2 (de) |
CA (1) | CA1212459A (de) |
DE (1) | DE3361983D1 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4575764A (en) * | 1983-11-07 | 1986-03-11 | Honeywell Inc. | Video camera auto focus |
JPS61196215A (ja) * | 1985-02-26 | 1986-08-30 | Canon Inc | 焦点検出装置 |
CA1278719C (en) * | 1986-02-17 | 1991-01-08 | Munehisa Izushi | Camera for recording television, photographic or cinematographic images, including an automatic focus- setting device |
US4745484A (en) * | 1986-07-30 | 1988-05-17 | Drexler Technology Corporation | Method and apparatus for stepped imaging in reading data |
US4841370A (en) * | 1986-11-17 | 1989-06-20 | Sanyo Electric Co., Ltd. | Automatic focusing circuit for automatically matching focus in response to video signal |
KR940011885B1 (ko) * | 1987-02-18 | 1994-12-27 | 상요덴기 가부시기가이샤 | 영상 신호에 기인해서 초점의 자동 정합을 행하는 오토포커스 회로 |
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 |
US4814889A (en) * | 1987-10-07 | 1989-03-21 | General Electric Company | Automatic focussing system |
EP0319127B1 (de) * | 1987-10-08 | 1994-08-03 | Matsushita Electric Industrial Co., Ltd. | Automatische Fokussierungsanlage für eine Videokamera |
US5005086A (en) * | 1988-03-04 | 1991-04-02 | Sony Corporation | Focus control apparatus having two focusing speeds |
CA1313466C (en) * | 1988-05-11 | 1993-02-09 | Kenichi Kikuchi | Image sensing apparatus having automatic focusing function of automatically matching focus in response to video signal |
US4920420A (en) * | 1988-11-10 | 1990-04-24 | Hitachi, Ltd. | Automatic focusing system |
JPH0817452B2 (ja) * | 1989-01-30 | 1996-02-21 | 松下電器産業株式会社 | 自動焦点調節装置 |
DE69027878T2 (de) * | 1989-03-28 | 1997-02-27 | Canon Kk | Automatisches Fokusjustiergerät |
JPH0380676A (ja) * | 1989-08-23 | 1991-04-05 | Ricoh Co Ltd | 電子パンフォーカス装置 |
JP2974339B2 (ja) * | 1989-09-20 | 1999-11-10 | キヤノン株式会社 | 自動焦点調節装置 |
US5107337A (en) * | 1990-07-24 | 1992-04-21 | Matsushita Electric Industrial Co., Ltd. | Automatic focusing apparatus of video camera |
JPH04154380A (ja) * | 1990-10-18 | 1992-05-27 | Ricoh Co Ltd | オートフォーカス装置 |
JP2941980B2 (ja) * | 1991-03-07 | 1999-08-30 | キヤノン株式会社 | 自動焦点調節装置 |
US5210565A (en) * | 1991-06-21 | 1993-05-11 | Eastman Kodak Company | Oscillating pupil autofocus method and apparatus |
US5475429A (en) * | 1991-07-25 | 1995-12-12 | Olympus Optical Co., Ltd. | In-focus sensing device for sensing an in-focus condition using a ratio of frequency components at different positions |
US5614951A (en) * | 1992-11-30 | 1997-03-25 | Goldstar Co., Ltd. | Apparatus and method utilizing a slope for automatically focusing an object in a video camera |
JP3679693B2 (ja) * | 2000-07-31 | 2005-08-03 | 三洋電機株式会社 | オートフォーカスカメラ |
US6704143B1 (en) * | 2000-10-23 | 2004-03-09 | Adc Telecommunications, Inc. | Method and apparatus for adjusting an optical element to achieve a precise length |
US20030076568A1 (en) * | 2001-10-22 | 2003-04-24 | Adc Telecommunications, Inc. | Light frequency stabilizer |
US20030117497A1 (en) * | 2001-12-21 | 2003-06-26 | Claus Nicolaisen | Communication terminal provided with a camera |
TW200523653A (en) * | 2004-01-06 | 2005-07-16 | Starshine Technology Corp | Focusing control module for image photographing |
JP4522249B2 (ja) * | 2004-12-17 | 2010-08-11 | キヤノン株式会社 | 撮像装置 |
JP4641494B2 (ja) | 2005-11-28 | 2011-03-02 | キヤノン株式会社 | 光学機器 |
JP2007192859A (ja) * | 2006-01-17 | 2007-08-02 | Sony Corp | 合焦制御装置、及び撮像装置 |
JPWO2008088001A1 (ja) * | 2007-01-18 | 2010-05-13 | シャープ株式会社 | 光学素子およびそれを用いた画像表示装置 |
WO2010027583A1 (en) | 2008-09-03 | 2010-03-11 | Universal Display Corporation | Phosphorescent materials |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1193177A (en) * | 1967-12-14 | 1970-05-28 | Rank Organisation Ltd | Improvements in or relating to Automatic Control Systems |
JPS5651164A (en) * | 1979-10-03 | 1981-05-08 | Hitachi Ltd | Automatic focusing device |
JPS5793307A (en) * | 1980-12-02 | 1982-06-10 | Olympus Optical Co Ltd | Automatic focusing system |
-
1983
- 1983-04-25 US US06/488,605 patent/US4484806A/en not_active Expired - Lifetime
- 1983-04-27 DE DE8383104131T patent/DE3361983D1/de not_active Expired
- 1983-04-27 EP EP83104131A patent/EP0092850B1/de not_active Expired
- 1983-04-27 CA CA000426858A patent/CA1212459A/en not_active Expired
- 1983-04-28 AU AU14011/83A patent/AU538849B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US4484806A (en) | 1984-11-27 |
AU538849B2 (en) | 1984-08-30 |
AU1401183A (en) | 1983-12-08 |
CA1212459A (en) | 1986-10-07 |
EP0092850A2 (de) | 1983-11-02 |
EP0092850B1 (de) | 1986-01-29 |
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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 |