FR2428271A1 - Appareil de detection de distance - Google Patents
Appareil de detection de distanceInfo
- Publication number
- FR2428271A1 FR2428271A1 FR7914150A FR7914150A FR2428271A1 FR 2428271 A1 FR2428271 A1 FR 2428271A1 FR 7914150 A FR7914150 A FR 7914150A FR 7914150 A FR7914150 A FR 7914150A FR 2428271 A1 FR2428271 A1 FR 2428271A1
- Authority
- FR
- France
- Prior art keywords
- lens
- image
- detection apparatus
- distance detection
- cameras
- 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.)
- Granted
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/32—Measuring distances in line of sight; Optical rangefinders by focusing the object, e.g. on a ground glass screen
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0037—Arrays characterized by the distribution or form of lenses
- G02B3/0056—Arrays characterized by the distribution or form of lenses arranged along two different directions in a plane, e.g. honeycomb arrangement of lenses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automatic Focus Adjustment (AREA)
- Measurement Of Optical Distance (AREA)
- Focusing (AREA)
Abstract
Appareil de détection de distance pour obtenir une image nette d'un objet éloigné. L'appareil comprend une lentille de prise de vues mobile, des moyens de discrimination de lumière montés de façon adjacente au plan d'image de la lentille pour produire une pluralité d'images, une pluralité de détecteurs montés par paires et des moyens de comparaison pour déterminer une condition de correspondance et pour engendrer un signal résultant utilisable pour déplacer la lentille et mettre au point une image de l'objet. Application à la mise au point automatique de caméras.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/912,688 US4185191A (en) | 1978-06-05 | 1978-06-05 | Range determination system |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2428271A1 true FR2428271A1 (fr) | 1980-01-04 |
FR2428271B1 FR2428271B1 (fr) | 1985-11-29 |
Family
ID=25432275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7914150A Expired FR2428271B1 (fr) | 1978-06-05 | 1979-06-01 | Appareil de detection de distance |
Country Status (8)
Country | Link |
---|---|
US (1) | US4185191A (fr) |
JP (1) | JPS54159259A (fr) |
AU (1) | AU533222B2 (fr) |
CA (1) | CA1119035A (fr) |
DE (1) | DE2922080C2 (fr) |
FR (1) | FR2428271B1 (fr) |
GB (1) | GB2022955B (fr) |
HK (1) | HK32984A (fr) |
Families Citing this family (96)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5553304A (en) * | 1978-10-16 | 1980-04-18 | Olympus Optical Co Ltd | Focus detector |
JPS5559411A (en) * | 1978-10-30 | 1980-05-02 | Olympus Optical Co Ltd | Focus point detector |
US4414470A (en) * | 1979-02-08 | 1983-11-08 | Ricoh Company, Ltd. | Pupil divisional focusing position detection apparatus using lenticula lens |
DE3004878C2 (de) * | 1979-02-09 | 1984-04-19 | Ricoh Co., Ltd., Tokio/Tokyo | Einrichtung zur Bestimmung der Scharfeinstellung einer Kamera |
US4373791A (en) * | 1979-02-20 | 1983-02-15 | Ricoh Company, Ltd. | Focusing position detection apparatus |
US4230941A (en) * | 1979-03-26 | 1980-10-28 | Honeywell Inc. | Corrector lens |
US4230942A (en) * | 1979-03-26 | 1980-10-28 | Honeywell Inc. | Crossed cylindrical lens |
JPS5632126A (en) * | 1979-08-24 | 1981-04-01 | Canon Inc | Ttl type focus detector for lens interchangeable type camera |
JPS5650315A (en) * | 1979-10-01 | 1981-05-07 | Canon Inc | Focus detecting method and device |
US4309603A (en) * | 1979-10-17 | 1982-01-05 | Honeywell Inc. | Auto focus system |
JPS56101111A (en) * | 1980-01-14 | 1981-08-13 | Mamiya Koki Kk | Automatic focus adjustment method |
US4333007A (en) * | 1980-07-10 | 1982-06-01 | Honeywell Inc. | Method and apparatus for determining focus direction and amount |
JPS5725319U (fr) * | 1980-07-18 | 1982-02-09 | ||
US4310227A (en) * | 1981-01-05 | 1982-01-12 | Polaroid Corporation | Diffracted energy auto-ranging system for a camera |
JPS57114112A (en) * | 1981-01-06 | 1982-07-15 | Canon Inc | Image reader |
US4384210A (en) * | 1981-02-06 | 1983-05-17 | Honeywell Inc. | Spatial low pass filter for range finding systems |
DE3113507A1 (de) * | 1981-04-03 | 1982-11-04 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Spiegelreflexkamera mit elektronischem entfernungsmesser |
JPS57165821A (en) * | 1981-04-07 | 1982-10-13 | Nippon Kogaku Kk <Nikon> | Ttl automatic focusing device of camera |
JPS57165806A (en) * | 1981-04-07 | 1982-10-13 | Nippon Kogaku Kk <Nikon> | Detector for extent of movement of image plane |
JPS56162709A (en) * | 1981-04-13 | 1981-12-14 | Mamiya Koki Kk | Automatic focusing system |
JPS56162707A (en) * | 1981-04-13 | 1981-12-14 | Mamiya Koki Kk | Automatic focusing device |
JPS57188004A (en) * | 1981-05-14 | 1982-11-18 | Olympus Optical Co Ltd | Automatic focusing zoom lens |
US4410804A (en) * | 1981-07-13 | 1983-10-18 | Honeywell Inc. | Two dimensional image panel with range measurement capability |
JPS5850518A (ja) * | 1981-09-22 | 1983-03-25 | Minolta Camera Co Ltd | 一眼レフレツクスカメラのミラ−装置 |
JPS5858508A (ja) * | 1981-10-02 | 1983-04-07 | Minolta Camera Co Ltd | 自動焦点調節装置 |
JPS5859418A (ja) * | 1981-10-06 | 1983-04-08 | Olympus Optical Co Ltd | 合焦検出装置 |
AU554186B2 (en) * | 1981-10-26 | 1986-08-14 | Sony Corporation | Apparatus for detecting distance to an object |
JPS5887512A (ja) * | 1981-11-19 | 1983-05-25 | Nippon Kogaku Kk <Nikon> | 焦点検出装置 |
US4564919A (en) * | 1981-12-22 | 1986-01-14 | Nippon Kogaku K.K. | Correlation calculating apparatus |
US4559446A (en) * | 1982-02-18 | 1985-12-17 | Canon Kabushiki Kaisha | Focus detecting system using light from an imaging optical system for focus detection |
JPS58156908A (ja) * | 1982-03-13 | 1983-09-19 | Canon Inc | 合焦状態検出光学系 |
JPS58199307A (ja) * | 1982-05-18 | 1983-11-19 | Olympus Optical Co Ltd | 合焦検出装置 |
US4593188A (en) * | 1982-06-14 | 1986-06-03 | Olympus Optical Company Limited | Apparatus and method for detecting focus condition of an imaging optical system |
JPS5915208A (ja) * | 1982-06-17 | 1984-01-26 | Olympus Optical Co Ltd | 合焦検出装置 |
US4481413A (en) * | 1982-06-30 | 1984-11-06 | Honeywell Inc. | Strip mirror radiation splitter for range determination systems |
US4501961A (en) * | 1982-09-01 | 1985-02-26 | Honeywell Inc. | Vision illumination system for range finder |
US4508963A (en) * | 1982-09-28 | 1985-04-02 | Honeywell Inc. | Detector mismatch correction apparatus |
US4573784A (en) * | 1982-12-11 | 1986-03-04 | Canon Kabushiki Kaisha | Focus detecting apparatus |
JPS59182309A (ja) * | 1983-03-31 | 1984-10-17 | Mitsubishi Electric Corp | 自動車用距離計測装置 |
JPS59208513A (ja) * | 1983-05-12 | 1984-11-26 | Canon Inc | 焦点検出装置 |
US4687917A (en) * | 1983-10-19 | 1987-08-18 | Nippon Kogaku K. K. | Focus detecting device for removing vignetting effects |
JPS60101513A (ja) * | 1983-11-08 | 1985-06-05 | Canon Inc | 焦点検出装置 |
US4914282A (en) * | 1984-07-06 | 1990-04-03 | Canon Kabushiki Kaisha | Focus detection system employing multiple area light distribution sensors |
JPS6119211U (ja) * | 1984-07-06 | 1986-02-04 | 株式会社 コシナ | オ−トフオ−カス付ズ−ムレンズ |
US4690538A (en) * | 1984-12-11 | 1987-09-01 | Minolta Camera Kabushiki Kaisha | Focus detection system and lighting device therefor |
US4827301A (en) * | 1984-12-11 | 1989-05-02 | Minolta Camera Kabushiki Kaisha | Focus detection system and lighting device therefor |
US4801963A (en) * | 1985-12-18 | 1989-01-31 | Canon Kabushiki Kaisha | Focus detecting system |
US4835615A (en) * | 1986-01-21 | 1989-05-30 | Minolta Camera Kabushiki Kaisha | Image sensor with improved response characteristics |
JPH0756530B2 (ja) * | 1986-03-31 | 1995-06-14 | 株式会社ニコン | 撮影レンズ鏡筒およびカメラ |
JPS63131111A (ja) * | 1986-11-20 | 1988-06-03 | Minolta Camera Co Ltd | カメラの焦点検出装置 |
EP0285796B1 (fr) * | 1987-03-02 | 1993-06-16 | Honeywell Inc. | Système optique de télémétrie |
US4864515A (en) * | 1987-03-30 | 1989-09-05 | Honeywell Inc. | Electronic sensing screen for measuring projectile parameters |
US4812640A (en) * | 1987-05-28 | 1989-03-14 | Honeywell Inc. | Slit lens autofocus system |
US4801795A (en) * | 1987-08-31 | 1989-01-31 | Honeywell Inc. | Spatial frequency filter in which frequency components greater than the Niquist frequency are suppressed |
US4882262A (en) * | 1987-09-28 | 1989-11-21 | Honeywell Inc. | Self-aligning aperture |
US4757372A (en) * | 1987-10-09 | 1988-07-12 | Eastman Kodak Company | SLR zoom camera |
US4838668A (en) * | 1987-10-09 | 1989-06-13 | Eastman Kodak Company | Zoom lens |
US4841140A (en) * | 1987-11-09 | 1989-06-20 | Honeywell Inc. | Real-time color comparator |
US5017005A (en) * | 1988-03-18 | 1991-05-21 | Asahi Kogaku Kogyo Kabushiki Kaisha | Focal point detecting optical apparatus |
JP2767108B2 (ja) * | 1988-06-17 | 1998-06-18 | 旭光学工業株式会社 | 自動合焦カメラ |
US5305047A (en) * | 1988-10-11 | 1994-04-19 | Canon Kabushiki Kaisha | Pattern projector having a multi-portion projection lens and camera comprising the same |
US5076687A (en) * | 1990-08-28 | 1991-12-31 | Massachusetts Institute Of Technology | Optical ranging apparatus |
US5485209A (en) * | 1992-04-03 | 1996-01-16 | Canon Kabushiki Kaisha | Pupil divisional type focusing position detection apparatus for electronic cameras |
JPH0667088A (ja) * | 1992-08-18 | 1994-03-11 | Nikon Corp | 焦点検出装置 |
US6445884B1 (en) * | 1995-06-22 | 2002-09-03 | 3Dv Systems, Ltd. | Camera with through-the-lens lighting |
US6819360B1 (en) * | 1999-04-01 | 2004-11-16 | Olympus Corporation | Image pickup element and apparatus for focusing |
JP4007716B2 (ja) | 1999-04-20 | 2007-11-14 | オリンパス株式会社 | 撮像装置 |
JP2002250860A (ja) * | 2001-02-26 | 2002-09-06 | Canon Inc | 撮像素子、撮像装置及び情報処理装置 |
CA2354614C (fr) | 2001-07-30 | 2002-12-10 | Silvano Pregara | Detecteur a focalisation automatique |
US20040093939A1 (en) * | 2002-11-14 | 2004-05-20 | Arias Herman Diaz | Non-contact level detector for fluids in a container |
JP2005121723A (ja) * | 2003-10-14 | 2005-05-12 | Pentax Corp | 望遠鏡本体および望遠鏡 |
CN1906547B (zh) | 2003-11-21 | 2011-02-16 | 纳米发明公司 | 微光学安全及影像表示*** |
US8867134B2 (en) * | 2003-11-21 | 2014-10-21 | Visual Physics, Llc | Optical system demonstrating improved resistance to optically degrading external effects |
ES2654209T5 (es) * | 2005-05-18 | 2021-09-30 | Visual Physics Llc | Sistema de presentación de imágenes y de seguridad micro-óptico |
US7812299B2 (en) * | 2005-07-22 | 2010-10-12 | Nikon Corporation | Image sensor having two-dimensionally arrayed pixels, focus detecting device using the sensor, and imaging system including the sensor |
JP2009536885A (ja) * | 2006-05-12 | 2009-10-22 | クレイン アンド カンパニー インコーポレーテッド | 単独で、またはセキュリティドキュメントまたはラベルと共に、スタティック像および/または他の投影された像により空間的にコーディネートされた像を投影するマイクロ光学的膜構造体 |
AU2007272705B2 (en) * | 2006-06-28 | 2012-09-20 | Visual Physics, Llc | Micro-optic security and image presentation system |
JP5380782B2 (ja) * | 2007-03-26 | 2014-01-08 | 株式会社ニコン | 撮像装置 |
JP2008286816A (ja) * | 2007-05-15 | 2008-11-27 | Olympus Imaging Corp | 焦点検出光学系及びそれを用いた撮像装置 |
JP4979482B2 (ja) * | 2007-06-28 | 2012-07-18 | オリンパス株式会社 | 撮像装置及び画像信号処理プログラム |
AU2010282484B2 (en) * | 2009-08-12 | 2013-10-31 | Visual Physics, Llc | A tamper indicating optical security device |
CA2825655C (fr) | 2011-01-28 | 2019-04-30 | Crane & Co., Inc. | Dispositif marque au laser |
ES2652034T3 (es) | 2011-08-19 | 2018-01-31 | Visual Physics, Llc | Sistema óptico opcionalmente transferible de grosor reducido |
EP2885138B1 (fr) | 2012-08-17 | 2023-05-24 | Visual Physics, LLC | Processus de transfert de microstructures sur un substrat final |
ES2728508T3 (es) | 2013-03-15 | 2019-10-25 | Visual Physics Llc | Dispositivo de seguridad óptico |
US9873281B2 (en) | 2013-06-13 | 2018-01-23 | Visual Physics, Llc | Single layer image projection film |
KR102170627B1 (ko) | 2014-01-08 | 2020-10-27 | 삼성전자주식회사 | 이미지 센서 |
DE102014201749B4 (de) * | 2014-01-31 | 2015-08-20 | Sypro Optics Gmbh | Mikrolinsenanordnung und Beleuchtungsvorrichtung zur gleichmäßigeren Ausleuchtung mit Mikrolinsenanordnung |
US10434812B2 (en) | 2014-03-27 | 2019-10-08 | Visual Physics, Llc | Optical device that produces flicker-like optical effects |
US10766292B2 (en) | 2014-03-27 | 2020-09-08 | Crane & Co., Inc. | Optical device that provides flicker-like optical effects |
MX2017000681A (es) | 2014-07-17 | 2018-03-12 | Visual Physics Llc | Un material de lamina polimerica mejorada para su uso en la fabricacion de documentos de seguridad polimericos tales como billetes de banco. |
AU2015317844B2 (en) | 2014-09-16 | 2019-07-18 | Crane Security Technologies, Inc. | Secure lens layer |
KR102032882B1 (ko) | 2014-09-30 | 2019-10-16 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 자동 포커싱 방법, 장치 및 전자 장치 |
EP3256642A1 (fr) | 2015-02-11 | 2017-12-20 | Crane & Co., Inc. | Procédé d'application en surface d'un dispositif de sécurité à un substrat |
KR102661391B1 (ko) * | 2016-10-12 | 2024-04-26 | 삼성전자주식회사 | 이미지 센서 |
EP3580067B1 (fr) | 2017-02-10 | 2022-04-06 | Crane & Co., Inc. | Dispositif de sécurité optique lisible par machine |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1965064A1 (de) * | 1969-12-27 | 1971-07-01 | Leitz Ernst Gmbh | Vorrichtung zur Einstellung des Objektivs an einer fotografischen Kamera |
FR2143184A1 (fr) * | 1971-06-23 | 1973-02-02 | Vockenhuber Karl | |
US3781110A (en) * | 1971-11-15 | 1973-12-25 | Leitz Ernst Gmbh | Optical range finding system |
DE2364603A1 (de) * | 1972-12-27 | 1974-07-04 | Canon Kk | Entfernungsmesser |
FR2338504A1 (fr) * | 1976-01-15 | 1977-08-12 | Leitz Ernst Gmbh | Dispositif pour la determination photo-electrique de la position d'un plan de nettete d'une image |
US4083056A (en) * | 1975-09-09 | 1978-04-04 | Asahi Kogaku Kogyo Kabushiki Kaisha | Focus detecting device for single-lens reflex cameras |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3274914A (en) * | 1963-06-21 | 1966-09-27 | Agfa Ag | Camera focusing devices |
DE2260474C3 (de) * | 1972-12-11 | 1981-10-08 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Verfahren und Einrichtung zur Scharfeinstellung eines Objektivs |
US4071297A (en) * | 1973-06-18 | 1978-01-31 | Ernst Leitz Gmbh | Method and apparatus for photoelectrically determining the position of at least one image focus plane |
US3836772A (en) * | 1973-07-18 | 1974-09-17 | Honeywell Inc | Detecting apparatus for determining when image is in focus |
US3838275A (en) * | 1973-07-18 | 1974-09-24 | Honeywell Inc | Detecting apparatus for determining when image is in focus |
US3875401B1 (en) * | 1973-07-09 | 1994-02-01 | Honeywell Inc. | Focus detecting apparatus |
US3904870A (en) * | 1973-10-09 | 1975-09-09 | Honeywell Inc | Focus detecting apparatus |
US3906219A (en) * | 1973-10-09 | 1975-09-16 | Honeywell Inc | Focus detecting apparatus |
US3945023A (en) * | 1974-03-29 | 1976-03-16 | Honeywell Inc. | Auto-focus camera with solid state range finder |
US4002899A (en) * | 1974-12-04 | 1977-01-11 | Honeywell Inc. | Focus detecting apparatus |
US3958117A (en) * | 1975-07-15 | 1976-05-18 | Honeywell Inc. | Distance determining and automatic focusing apparatus |
US4078171A (en) * | 1976-06-14 | 1978-03-07 | Honeywell Inc. | Digital auto focus |
-
1978
- 1978-06-05 US US05/912,688 patent/US4185191A/en not_active Expired - Lifetime
-
1979
- 1979-03-13 CA CA000323349A patent/CA1119035A/fr not_active Expired
- 1979-05-23 GB GB7918041A patent/GB2022955B/en not_active Expired
- 1979-05-29 AU AU47556/79A patent/AU533222B2/en not_active Expired
- 1979-05-31 DE DE2922080A patent/DE2922080C2/de not_active Expired
- 1979-06-01 FR FR7914150A patent/FR2428271B1/fr not_active Expired
- 1979-06-05 JP JP6954879A patent/JPS54159259A/ja active Granted
-
1984
- 1984-04-12 HK HK329/84A patent/HK32984A/xx not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1965064A1 (de) * | 1969-12-27 | 1971-07-01 | Leitz Ernst Gmbh | Vorrichtung zur Einstellung des Objektivs an einer fotografischen Kamera |
FR2143184A1 (fr) * | 1971-06-23 | 1973-02-02 | Vockenhuber Karl | |
US3781110A (en) * | 1971-11-15 | 1973-12-25 | Leitz Ernst Gmbh | Optical range finding system |
DE2364603A1 (de) * | 1972-12-27 | 1974-07-04 | Canon Kk | Entfernungsmesser |
US4083056A (en) * | 1975-09-09 | 1978-04-04 | Asahi Kogaku Kogyo Kabushiki Kaisha | Focus detecting device for single-lens reflex cameras |
FR2338504A1 (fr) * | 1976-01-15 | 1977-08-12 | Leitz Ernst Gmbh | Dispositif pour la determination photo-electrique de la position d'un plan de nettete d'une image |
Also Published As
Publication number | Publication date |
---|---|
DE2922080A1 (de) | 1979-12-06 |
JPS54159259A (en) | 1979-12-15 |
JPS5749841B2 (fr) | 1982-10-25 |
AU4755679A (en) | 1979-12-13 |
US4185191A (en) | 1980-01-22 |
DE2922080C2 (de) | 1986-07-31 |
FR2428271B1 (fr) | 1985-11-29 |
CA1119035A (fr) | 1982-03-02 |
GB2022955B (en) | 1982-10-06 |
HK32984A (en) | 1984-04-19 |
AU533222B2 (en) | 1983-11-10 |
GB2022955A (en) | 1979-12-19 |
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