DE69128681D1 - Fokusdetektor - Google Patents
FokusdetektorInfo
- Publication number
- DE69128681D1 DE69128681D1 DE69128681T DE69128681T DE69128681D1 DE 69128681 D1 DE69128681 D1 DE 69128681D1 DE 69128681 T DE69128681 T DE 69128681T DE 69128681 T DE69128681 T DE 69128681T DE 69128681 D1 DE69128681 D1 DE 69128681D1
- Authority
- DE
- Germany
- Prior art keywords
- focus detector
- focus
- detector
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
- G02B7/346—Systems for automatic generation of focusing signals using different areas in a pupil plane using horizontal and vertical areas in the pupil plane, i.e. wide area autofocusing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2263393A JPH04139411A (ja) | 1990-10-01 | 1990-10-01 | 焦点検出装置 |
JP7865291A JP3177994B2 (ja) | 1991-03-18 | 1991-03-18 | 焦点検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69128681D1 true DE69128681D1 (de) | 1998-02-19 |
DE69128681T2 DE69128681T2 (de) | 1998-04-23 |
Family
ID=26419708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69128681T Expired - Fee Related DE69128681T2 (de) | 1990-10-01 | 1991-10-01 | Fokusdetektor |
Country Status (3)
Country | Link |
---|---|
US (1) | US5373342A (de) |
EP (1) | EP0479550B1 (de) |
DE (1) | DE69128681T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2676837B1 (fr) * | 1991-05-20 | 1995-02-17 | Asahi Optical Co Ltd | Appareil de detection de mise au point. |
US5428420A (en) * | 1991-08-28 | 1995-06-27 | Canon Kabushiki Kaisha | Focus detecting apparatus having photoelectric area sensors |
US5530236A (en) * | 1993-07-08 | 1996-06-25 | Asahi Kogaku Kogyo Kabushiki Kaisha | Focus detecting apparatus with particular arrangement of light receiving portions |
US5563678A (en) * | 1994-06-06 | 1996-10-08 | Nikon Corporation | Focus detection device and method |
KR20060047034A (ko) * | 2004-11-12 | 2006-05-18 | 삼성전자주식회사 | 디지털 카메라에서 비네팅 현상 제거 장치 및 방법 |
JP5300414B2 (ja) * | 2008-10-30 | 2013-09-25 | キヤノン株式会社 | カメラ及びカメラシステム |
JP5147645B2 (ja) * | 2008-10-30 | 2013-02-20 | キヤノン株式会社 | 撮像装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT301331B (de) * | 1968-11-25 | 1972-08-25 | Eumig | Einrichtung zur Entfernungsmessung |
USRE30099E (en) * | 1972-12-27 | 1979-09-18 | Canon Kabushiki Kaisha | Distance detecting device |
US4047187A (en) * | 1974-04-01 | 1977-09-06 | Canon Kabushiki Kaisha | System for exposure measurement and/or focus detection by means of image senser |
JPS61251809A (ja) * | 1985-05-01 | 1986-11-08 | Hitachi Ltd | 自動焦点調節装置 |
JPS6347711A (ja) * | 1986-08-18 | 1988-02-29 | Minolta Camera Co Ltd | 焦点検出装置 |
US4904854A (en) * | 1987-01-12 | 1990-02-27 | Minolta Camera Kabushiki Kaisha | Automatic focus detecting device having deviation compensation |
DE3803305C3 (de) * | 1987-02-04 | 1998-12-10 | Asahi Optical Co Ltd | Vorrichtung zum Erfassen der Scharfeinstellung eines Kameraobjektivs |
US4903065A (en) * | 1987-05-15 | 1990-02-20 | Minolta Camera Kabushiki Kaisha | Focus condition detecting device |
JP2608297B2 (ja) * | 1987-11-05 | 1997-05-07 | キヤノン株式会社 | 焦点検出装置 |
JPH07117645B2 (ja) * | 1987-12-14 | 1995-12-18 | キヤノン株式会社 | 焦点検出装置 |
JP2921867B2 (ja) * | 1988-07-20 | 1999-07-19 | 旭光学工業株式会社 | カメラの焦点検出装置 |
JPH0250115A (ja) * | 1988-08-11 | 1990-02-20 | Minolta Camera Co Ltd | 焦点検出用光学装置 |
-
1991
- 1991-10-01 DE DE69128681T patent/DE69128681T2/de not_active Expired - Fee Related
- 1991-10-01 EP EP91308976A patent/EP0479550B1/de not_active Expired - Lifetime
-
1994
- 1994-02-16 US US08/197,448 patent/US5373342A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0479550A3 (en) | 1992-11-19 |
EP0479550A2 (de) | 1992-04-08 |
DE69128681T2 (de) | 1998-04-23 |
US5373342A (en) | 1994-12-13 |
EP0479550B1 (de) | 1998-01-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Free format text: WESER & KOLLEGEN, 81245 MUENCHEN |
|
8339 | Ceased/non-payment of the annual fee |