FR2635881B1 - - Google Patents
Info
- Publication number
- FR2635881B1 FR2635881B1 FR898911268A FR8911268A FR2635881B1 FR 2635881 B1 FR2635881 B1 FR 2635881B1 FR 898911268 A FR898911268 A FR 898911268A FR 8911268 A FR8911268 A FR 8911268A FR 2635881 B1 FR2635881 B1 FR 2635881B1
- Authority
- FR
- France
- 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
-
- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/18—Signals indicating condition of a camera member or suitability of light
- G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
-
- 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
- G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
-
- 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
- G03B2227/00—Photographic printing apparatus
- G03B2227/32—Projection printing apparatus, e.g. enlarging apparatus, copying camera
- G03B2227/325—Microcapsule copiers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11143788U JPH0233041U (fr) | 1988-08-25 | 1988-08-25 | |
JP11143688U JPH0233039U (fr) | 1988-08-25 | 1988-08-25 | |
JP22156788A JP2933314B2 (ja) | 1988-09-05 | 1988-09-05 | 多点測距カメラ |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2635881A1 FR2635881A1 (fr) | 1990-03-02 |
FR2635881B1 true FR2635881B1 (fr) | 1992-12-11 |
Family
ID=27311959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR898911268A Expired FR2635881B1 (fr) | 1988-08-25 | 1989-08-25 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4994843A (fr) |
DE (1) | DE3928208C2 (fr) |
FR (1) | FR2635881B1 (fr) |
GB (1) | GB2222337B (fr) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5227828A (en) * | 1988-10-18 | 1993-07-13 | Asahi Kogaku Kogyo Kabushiki Kaisha | Automatic focusing device for camera lens |
US5258801A (en) * | 1988-12-29 | 1993-11-02 | Nikon Corporation | Focus detecting device |
US5278602A (en) * | 1989-05-09 | 1994-01-11 | Asahi Kogaku Kogyo Kabushiki Kaisha | Distance measuring device |
JP2921861B2 (ja) * | 1989-07-05 | 1999-07-19 | 旭光学工業株式会社 | オートフォーカスカメラ |
JP2756330B2 (ja) * | 1990-01-16 | 1998-05-25 | キヤノン株式会社 | 自動焦点調節装置 |
EP0438140B1 (fr) * | 1990-01-17 | 1996-05-29 | Canon Kabushiki Kaisha | Dispositif de détection de mise au point d'une caméra |
JPH03214133A (ja) * | 1990-01-18 | 1991-09-19 | Nikon Corp | 焦点検出装置 |
DE4104113C2 (de) * | 1990-02-14 | 1996-05-23 | Asahi Optical Co Ltd | Kamera mit motorbetriebenem Zoomobjektiv |
JP2579158Y2 (ja) * | 1990-02-14 | 1998-08-20 | 旭光学工業株式会社 | プリセットパワーズームレンズおよびこのレンズを備えたカメラ |
US5264889A (en) * | 1990-04-17 | 1993-11-23 | Minolta Camera Kabushiki Kaisha | Apparatus having an automatic focus detecting device |
US5227833A (en) * | 1990-04-17 | 1993-07-13 | Minolta Camera Kabushiki Kaisha | Apparatus having an automatic focus detecting device |
US5659823A (en) * | 1990-08-29 | 1997-08-19 | Minolta Camera Kabushiki Kaisha | Camera |
US5579078A (en) * | 1990-09-29 | 1996-11-26 | Canon Kabushiki Kaisha | Camera with visual axis detection equipment |
US5361119A (en) * | 1991-01-08 | 1994-11-01 | Nikon Corporation | Focus state display device for camera |
JP3076625B2 (ja) * | 1991-04-09 | 2000-08-14 | 旭光学工業株式会社 | カメラの測距装置 |
JP3187114B2 (ja) * | 1992-01-30 | 2001-07-11 | 旭光学工業株式会社 | パワーフォーカスリミッター |
JPH05323182A (ja) * | 1992-05-22 | 1993-12-07 | Canon Inc | カメラ |
US5682559A (en) * | 1993-09-30 | 1997-10-28 | Minolta Co., Ltd. | Camera |
DE69430288T2 (de) * | 1993-10-04 | 2002-10-02 | Canon K.K., Tokio/Tokyo | Bildaufnahmegerät |
JP3371493B2 (ja) * | 1993-11-24 | 2003-01-27 | 株式会社ニコン | カメラのファインダ内表示装置 |
JPH07168083A (ja) * | 1993-12-14 | 1995-07-04 | Nikon Corp | 多点焦点検出カメラ |
DE19606694C2 (de) | 1995-02-22 | 2002-12-12 | Asahi Optical Co Ltd | Entfernungsmeßvorrichtung |
DE19614235C2 (de) * | 1995-04-10 | 2001-06-28 | Asahi Optical Co Ltd | Vermessungsinstrument mit Autofokussystem |
US6115553A (en) * | 1996-09-17 | 2000-09-05 | Asahi Kogaku Kogyo Kabushiki Kaisha | Multipoint autofocus system |
JP3787209B2 (ja) * | 1997-02-12 | 2006-06-21 | ペンタックス株式会社 | カメラのファインダー |
US6088539A (en) * | 1997-12-24 | 2000-07-11 | Canon Kabushiki Kaisha | Optical apparatus with focus adjusting function and focus adjustment control circuit |
JP4018218B2 (ja) * | 1997-12-25 | 2007-12-05 | キヤノン株式会社 | 光学装置及び測距点選択方法 |
US6411782B1 (en) * | 1999-05-20 | 2002-06-25 | Olympus Optical Co., Ltd. | Multi-autofocus distance-measuring system with a wide distance-measuring area |
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 |
US7544919B2 (en) | 2006-11-20 | 2009-06-09 | Red.Com, Inc. | Focus assist system and method |
US9690168B2 (en) | 2006-11-20 | 2017-06-27 | Red.Com, Inc. | Focus assist system and method |
TWI398716B (zh) * | 2009-09-09 | 2013-06-11 | Altek Corp | Use the flash to assist in detecting focal lengths |
US10640925B2 (en) | 2017-02-15 | 2020-05-05 | Flex R&D Inc. | Lightweight paper board |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4134660A (en) * | 1976-07-07 | 1979-01-16 | Canon Kabushiki Kaisha | Self timer of camera |
DE2717191A1 (de) * | 1977-04-19 | 1978-11-02 | Agfa Gevaert Ag | Vorrichtung zur anzeige der batteriespannung in fotografischen oder kinematografischen kameras |
JPS55111922A (en) * | 1979-02-15 | 1980-08-29 | Asahi Optical Co Ltd | Focus detection indicator of camera |
JPS55155337A (en) * | 1979-05-23 | 1980-12-03 | Canon Inc | Focus adjuster |
JPS6134516Y2 (fr) * | 1979-11-09 | 1986-10-07 | ||
JPS57196221A (en) * | 1981-05-28 | 1982-12-02 | Asahi Optical Co Ltd | Warning display mechanism for photographic information of camera |
JPS59129809A (ja) * | 1983-01-18 | 1984-07-26 | Asahi Optical Co Ltd | カメラの自動焦点装置 |
US4827303A (en) * | 1983-02-08 | 1989-05-02 | Canon Kabushiki Kaisha | Distance measuring device |
JPS59134141U (ja) * | 1983-02-25 | 1984-09-07 | ミノルタ株式会社 | カメラの報知装置 |
JPS6072382A (ja) * | 1983-09-28 | 1985-04-24 | Sanyo Electric Co Ltd | オ−トフォ−カス制御位置表示回路 |
JPH028456Y2 (fr) * | 1984-10-26 | 1990-02-28 | ||
JPS62231229A (ja) * | 1986-03-31 | 1987-10-09 | Olympus Optical Co Ltd | マルチモ−ドカメラ |
JPH0820590B2 (ja) * | 1986-10-01 | 1996-03-04 | キヤノン株式会社 | 焦点検出装置 |
JPS6391645A (ja) * | 1986-10-06 | 1988-04-22 | Minolta Camera Co Ltd | 焦点検出装置 |
DE3803305C3 (de) * | 1987-02-04 | 1998-12-10 | Asahi Optical Co Ltd | Vorrichtung zum Erfassen der Scharfeinstellung eines Kameraobjektivs |
JPS63194243A (ja) * | 1987-02-06 | 1988-08-11 | Konica Corp | カメラ |
US4857720A (en) * | 1987-06-24 | 1989-08-15 | Minolta Camera Kabushiki Kaisha | Focus detecting system using multiple portions of the image to be focussed |
-
1989
- 1989-08-23 US US07/397,670 patent/US4994843A/en not_active Expired - Lifetime
- 1989-08-23 GB GB8919144A patent/GB2222337B/en not_active Expired - Lifetime
- 1989-08-25 DE DE3928208A patent/DE3928208C2/de not_active Expired - Fee Related
- 1989-08-25 FR FR898911268A patent/FR2635881B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB8919144D0 (en) | 1989-10-04 |
FR2635881A1 (fr) | 1990-03-02 |
US4994843A (en) | 1991-02-19 |
DE3928208C2 (de) | 1995-01-19 |
GB2222337A (en) | 1990-02-28 |
DE3928208A1 (de) | 1990-05-17 |
GB2222337B (en) | 1992-12-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20070430 |