FR2176816A1 - - Google Patents
Info
- Publication number
- FR2176816A1 FR2176816A1 FR7309548A FR7309548A FR2176816A1 FR 2176816 A1 FR2176816 A1 FR 2176816A1 FR 7309548 A FR7309548 A FR 7309548A FR 7309548 A FR7309548 A FR 7309548A FR 2176816 A1 FR2176816 A1 FR 2176816A1
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/40—Optical focusing aids
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/24—Base structure
- G02B21/241—Devices for focusing
- G02B21/244—Devices for focusing using image analysis techniques
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Microscoopes, Condenser (AREA)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
- Insulators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7203481A SE373214B (US20100223739A1-20100909-C00025.png) | 1972-03-17 | 1972-03-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2176816A1 true FR2176816A1 (US20100223739A1-20100909-C00025.png) | 1973-11-02 |
| FR2176816B1 FR2176816B1 (US20100223739A1-20100909-C00025.png) | 1977-02-04 |
Family
ID=20262223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7309548A Expired FR2176816B1 (US20100223739A1-20100909-C00025.png) | 1972-03-17 | 1973-03-16 |
Country Status (8)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0017726A1 (de) * | 1979-03-20 | 1980-10-29 | Kernforschungszentrum Karlsruhe Gmbh | Verfahren und Einrichtung zur automatischen Scharfeinstellung eines Bildes |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4047187A (en) | 1974-04-01 | 1977-09-06 | Canon Kabushiki Kaisha | System for exposure measurement and/or focus detection by means of image senser |
| DE2560134C2 (de) * | 1974-04-01 | 1985-10-10 | Canon K.K., Tokyo | Vorrichtung zur Ermittlung des Abbildungszustands eines Bildes |
| US4012634A (en) * | 1974-04-29 | 1977-03-15 | Geometric Data Corporation | Automatic focusing system including quantizing means |
| DE2436528C2 (de) * | 1974-07-29 | 1982-11-25 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Elektro-optische Scharfstelleinrichtung |
| JPS5158333A (ja) * | 1974-11-18 | 1976-05-21 | Canon Kk | Jidoshotenchosetsusochi |
| JPS5331151A (en) * | 1976-09-03 | 1978-03-24 | Hitachi Ltd | Automatic focusing device for microscope |
| US4202037A (en) * | 1977-04-22 | 1980-05-06 | Der Loos Hendrik Van | Computer microscope apparatus and method for superimposing an electronically-produced image from the computer memory upon the image in the microscope's field of view |
| US4295200A (en) * | 1979-11-02 | 1981-10-13 | The United States Of America As Represented By The Secretary Of The Navy | Automatic particle analyzing system |
| US4360885A (en) * | 1980-01-02 | 1982-11-23 | Edgar Albert D | Micro-optical tomography |
| JPS56132315A (en) * | 1980-03-19 | 1981-10-16 | Fuji Photo Film Co Ltd | Automatic focusing method |
| GB2195214B (en) * | 1980-12-10 | 1988-10-26 | Emi Ltd | Automatic focussing system for an optical system |
| US4468694A (en) * | 1980-12-30 | 1984-08-28 | International Business Machines Corporation | Apparatus and method for remote displaying and sensing of information using shadow parallax |
| JPS58123064A (ja) * | 1982-01-14 | 1983-07-22 | 三菱電機株式会社 | 自動車用空気調和装置 |
| US4449084A (en) * | 1981-12-28 | 1984-05-15 | University Of Pittsburgh | Positioning servo-mechanism or tachometer employing self-scanning light sensing array |
| DE3308851A1 (de) * | 1983-03-12 | 1984-09-13 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren und einrichtung zum automatischen fokussieren |
| DE3308852A1 (de) * | 1983-03-12 | 1984-09-13 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren und einrichtung zum automatischen fokussieren |
| EP0124241B1 (en) * | 1983-03-29 | 1988-11-02 | Olympus Optical Co., Ltd. | Microscope provided with automatic focusing device |
| JPS60121407A (ja) * | 1983-11-09 | 1985-06-28 | Shinetsu Eng Kk | 焦点合せ方法 |
| EP0152504B1 (de) * | 1984-02-22 | 1987-11-04 | Ibm Deutschland Gmbh | Farbtuch-Korrektureinrichtung für Drucker |
| US5040228A (en) * | 1989-08-28 | 1991-08-13 | At&T Bell Laboratories | Method and apparatus for automatically focusing an image-acquisition device |
| JP2904841B2 (ja) * | 1990-01-22 | 1999-06-14 | 株式会社リコー | 自動合焦装置 |
| US5338924A (en) * | 1992-08-11 | 1994-08-16 | Lasa Industries, Inc. | Apparatus and method for automatic focusing of light using a fringe plate |
| JP3058781B2 (ja) * | 1993-07-30 | 2000-07-04 | 松下電器産業株式会社 | 合焦点位置検出方法 |
| WO1997004348A1 (en) * | 1995-07-19 | 1997-02-06 | Morphometrix Technologies Inc. | Automatic focus system |
| US6115111A (en) * | 1998-10-05 | 2000-09-05 | Korah; John K. | Semiconductor laser based sensing device |
| SE518836C2 (sv) * | 1999-05-25 | 2002-11-26 | Flir Systems Ab | Anordning och förfarande för ett infrarött bildanalyserande autofokus |
| US7598996B2 (en) * | 2004-11-16 | 2009-10-06 | Aptina Imaging Corporation | System and method for focusing a digital camera |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3450833A (en) * | 1966-01-14 | 1969-06-17 | Itek Corp | Automatic focusing system for a flying-spot scanner |
| GB1325439A (en) * | 1969-11-05 | 1973-08-01 | Image Analysing Computers Ltd | Focusing |
| CH518562A (de) * | 1970-02-24 | 1972-01-31 | Zeiss Carl Fa | Verfahren und Vorrichtung zur automatischen Fokussierung von Mikroskopen |
| US3699251A (en) * | 1971-09-27 | 1972-10-17 | Us Navy | Automatic optical probe focus apparatus |
-
1972
- 1972-03-17 SE SE7203481A patent/SE373214B/xx unknown
-
1973
- 1973-03-14 GB GB1227273A patent/GB1420648A/en not_active Expired
- 1973-03-15 DE DE2312978A patent/DE2312978C3/de not_active Expired
- 1973-03-16 FR FR7309548A patent/FR2176816B1/fr not_active Expired
- 1973-03-16 CH CH390873A patent/CH567731A5/xx not_active IP Right Cessation
- 1973-03-16 AT AT237873A patent/AT352442B/de not_active IP Right Cessation
- 1973-03-17 JP JP3134773A patent/JPS5338926B2/ja not_active Expired
- 1973-03-19 US US05/342,426 patent/US3932733A/en not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0017726A1 (de) * | 1979-03-20 | 1980-10-29 | Kernforschungszentrum Karlsruhe Gmbh | Verfahren und Einrichtung zur automatischen Scharfeinstellung eines Bildes |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2312978B2 (de) | 1978-06-15 |
| FR2176816B1 (US20100223739A1-20100909-C00025.png) | 1977-02-04 |
| DE2312978C3 (de) | 1979-02-08 |
| ATA237873A (de) | 1979-02-15 |
| DE2312978A1 (de) | 1973-10-04 |
| US3932733A (en) | 1976-01-13 |
| AT352442B (de) | 1979-09-25 |
| CH567731A5 (US20100223739A1-20100909-C00025.png) | 1975-10-15 |
| SE373214B (US20100223739A1-20100909-C00025.png) | 1975-01-27 |
| JPS5338926B2 (US20100223739A1-20100909-C00025.png) | 1978-10-18 |
| GB1420648A (en) | 1976-01-07 |
| JPS496938A (US20100223739A1-20100909-C00025.png) | 1974-01-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |