JPS5156627A - Butsutaizosenmeidokenshutsuhoshiki - Google Patents
ButsutaizosenmeidokenshutsuhoshikiInfo
- Publication number
- JPS5156627A JPS5156627A JP49130635A JP13063574A JPS5156627A JP S5156627 A JPS5156627 A JP S5156627A JP 49130635 A JP49130635 A JP 49130635A JP 13063574 A JP13063574 A JP 13063574A JP S5156627 A JPS5156627 A JP S5156627A
- Authority
- JP
- Japan
- Prior art keywords
- butsutaizosenmeidokenshutsuhoshiki
- 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.)
- Pending
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
- G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
- G02B7/365—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals by analysis of the spatial frequency components of the image
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49130635A JPS5156627A (en) | 1974-11-13 | 1974-11-13 | Butsutaizosenmeidokenshutsuhoshiki |
US05/631,133 US4133606A (en) | 1974-11-13 | 1975-11-11 | Method and system for detecting sharpness of an object image |
DE2551070A DE2551070C3 (de) | 1974-11-13 | 1975-11-13 | Verfahren zur automatischen Scharfeinstellung eines optischen Abbildungssystem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49130635A JPS5156627A (en) | 1974-11-13 | 1974-11-13 | Butsutaizosenmeidokenshutsuhoshiki |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5156627A true JPS5156627A (en) | 1976-05-18 |
Family
ID=15038950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49130635A Pending JPS5156627A (en) | 1974-11-13 | 1974-11-13 | Butsutaizosenmeidokenshutsuhoshiki |
Country Status (3)
Country | Link |
---|---|
US (1) | US4133606A (ja) |
JP (1) | JPS5156627A (ja) |
DE (1) | DE2551070C3 (ja) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53116852A (en) * | 1977-03-23 | 1978-10-12 | Olympus Optical Co Ltd | Automatic focus adjusting system |
FR2396325A1 (fr) * | 1977-07-01 | 1979-01-26 | Olympus Optical Co | Dispositif de mise au point automatique d'une image |
GB2003692B (en) * | 1977-09-02 | 1982-08-11 | Olympus Optical Co | Method for detecting a focalisation or in-focussed-condition of an optical system |
US4265520A (en) * | 1977-11-28 | 1981-05-05 | Asahi Kogaku Kogyo Kabushiki Kaisha | Focus detecting device in single lens reflex camera |
US4199816A (en) * | 1978-06-28 | 1980-04-22 | Humphrey Instruments, Inc. | Optical calibration apparatus and procedure |
GB2029659B (en) * | 1978-07-03 | 1982-09-29 | Olympus Optical Co | Apparatus and method for electrical processing of picture element information |
US4470676A (en) * | 1978-07-28 | 1984-09-11 | Canon Kabushiki Kaisha | Focus detecting device |
JPS5529832A (en) * | 1978-08-23 | 1980-03-03 | Asahi Optical Co Ltd | Camera focus indicator |
JPS5557809A (en) * | 1978-10-24 | 1980-04-30 | Olympus Optical Co Ltd | Focusing detection system |
JPS5582621U (ja) * | 1978-11-30 | 1980-06-07 | ||
JPS55108628A (en) * | 1979-02-13 | 1980-08-21 | Asahi Optical Co Ltd | Focus detector of camera |
JPS55115023A (en) * | 1979-02-28 | 1980-09-04 | Canon Inc | Distance detector and focus control system utilizing this |
DE2910875C2 (de) * | 1979-03-20 | 1985-11-14 | Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe | Verfahren zur automatischen Scharfeinstellung |
US4272187A (en) * | 1979-12-17 | 1981-06-09 | International Business Machines Corporation | Automatic alignment of optical elements in an electrophotographic apparatus |
US4410268A (en) * | 1980-04-28 | 1983-10-18 | Tokyo Kogaku Kikai Kabushiki Kaisha | Apparatus for automatically measuring the characteristics of an optical system |
JPS575019A (en) * | 1980-06-13 | 1982-01-11 | Olympus Optical Co Ltd | Focus controller |
GB2195214B (en) * | 1980-12-10 | 1988-10-26 | Emi Ltd | Automatic focussing system for an optical system |
JPS57158820A (en) * | 1981-03-27 | 1982-09-30 | Olympus Optical Co Ltd | Method for focusing detection |
US4615621A (en) * | 1982-04-02 | 1986-10-07 | Eaton Corporation | Auto-focus alignment and measurement system and method |
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 |
JPH0672973B2 (ja) * | 1983-06-30 | 1994-09-14 | 株式会社リコー | オ−トフオ−カス方法 |
US4616264A (en) * | 1984-08-28 | 1986-10-07 | Vicon Industries, Inc. | Auto focus system |
DE3510066C1 (de) * | 1985-03-20 | 1986-05-07 | Will Wetzlar Gmbh, 6330 Wetzlar | Verfahren zur Fokussierung eines optischen Abbildungssystems sowie Einrichtung zur Durchfuehrung des Verfahrens |
JP2554255B2 (ja) * | 1987-03-23 | 1996-11-13 | 旭光学工業株式会社 | フイルタリング装置 |
JP2974339B2 (ja) * | 1989-09-20 | 1999-11-10 | キヤノン株式会社 | 自動焦点調節装置 |
US5218558A (en) * | 1989-11-10 | 1993-06-08 | Ricoh Company, Ltd. | Output circuit of a charge-coupled device |
JP2904841B2 (ja) * | 1990-01-22 | 1999-06-14 | 株式会社リコー | 自動合焦装置 |
JP3110095B2 (ja) * | 1991-09-20 | 2000-11-20 | 富士通株式会社 | 測距方法及び測距装置 |
US5729124A (en) * | 1994-03-14 | 1998-03-17 | Industrial Technology Research Institute | Estimation of signal frequency using fast walsh transform |
DE4413368C1 (de) * | 1994-04-19 | 1995-09-28 | Wilfried Donner | Verfahren und Vorrichtung zur optischen Scharfeinstellung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4958826A (ja) * | 1972-10-04 | 1974-06-07 |
-
1974
- 1974-11-13 JP JP49130635A patent/JPS5156627A/ja active Pending
-
1975
- 1975-11-11 US US05/631,133 patent/US4133606A/en not_active Expired - Lifetime
- 1975-11-13 DE DE2551070A patent/DE2551070C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2551070B2 (ja) | 1978-08-10 |
US4133606A (en) | 1979-01-09 |
DE2551070A1 (de) | 1976-05-26 |
DE2551070C3 (de) | 1979-04-05 |