BE832654A - Appareil optique - Google Patents
Appareil optiqueInfo
- Publication number
- BE832654A BE832654A BE159384A BE159384A BE832654A BE 832654 A BE832654 A BE 832654A BE 159384 A BE159384 A BE 159384A BE 159384 A BE159384 A BE 159384A BE 832654 A BE832654 A BE 832654A
- Authority
- BE
- Belgium
- Prior art keywords
- optical device
- optical
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/500,869 US3941996A (en) | 1974-08-27 | 1974-08-27 | Automatic focus apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
BE832654A true BE832654A (fr) | 1975-12-16 |
Family
ID=23991278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE159384A BE832654A (fr) | 1974-08-27 | 1975-08-22 | Appareil optique |
Country Status (6)
Country | Link |
---|---|
US (1) | US3941996A (fr) |
JP (1) | JPS5146935A (fr) |
BE (1) | BE832654A (fr) |
CA (1) | CA1039094A (fr) |
FR (1) | FR2283457A1 (fr) |
GB (1) | GB1500385A (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5172329A (en) * | 1974-12-19 | 1976-06-23 | Minolta Camera Kk | Jidoshotenkenshutsusochi |
US4132948A (en) * | 1977-03-17 | 1979-01-02 | Teradyne, Inc. | Test fixture using stock printed circuit board having test pins mounted thereon |
JPS5590934A (en) * | 1978-12-29 | 1980-07-10 | Nippon Kogaku Kk <Nikon> | Operating device of camera having automatic focusing device |
JPS5793307A (en) * | 1980-12-02 | 1982-06-10 | Olympus Optical Co Ltd | Automatic focusing system |
DD234340A3 (de) * | 1984-05-02 | 1986-04-02 | Zeiss Jena Veb Carl | Automatische fokussiereinrichtung |
IT1201256B (it) * | 1985-03-19 | 1989-01-27 | Consiglio Nazionale Ricerche | Perfezionamento nei dispositivi per la messa a fuoco automatica dei sistemi ottici,in particolare microspopi e strumenti per l'acquisizione elettronica di immagini microscopiche |
US5210565A (en) * | 1991-06-21 | 1993-05-11 | Eastman Kodak Company | Oscillating pupil autofocus method and apparatus |
US5648652A (en) * | 1993-09-22 | 1997-07-15 | Asahi Kogaku Kogyo Kabushiki Kaisha | Optical focus evaluation and focus adjustment methods, focus evaluation and focus adjustment apparatus, and screen apparatus |
US7800079B2 (en) * | 2003-12-22 | 2010-09-21 | Asml Netherlands B.V. | Assembly for detection of radiation flux and contamination of an optical component, lithographic apparatus including such an assembly and device manufacturing method |
WO2012166682A2 (fr) * | 2011-06-03 | 2012-12-06 | Thomson Licencing | Balayage variable et entrelacé dans des projecteurs laser |
KR20140043910A (ko) | 2011-06-03 | 2014-04-11 | 톰슨 라이센싱 | 레이저 프로젝터에서 가변적인 톱니형 스캔 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3555280A (en) * | 1966-04-19 | 1971-01-12 | Hycon Mfg Co | Automatic focus sensor and control |
US3541335A (en) * | 1967-11-22 | 1970-11-17 | Control Data Corp | Radiation star detector with coded optical scanner |
US3538334A (en) * | 1968-01-24 | 1970-11-03 | Hycon Mfg Co | Automatic focusing device with a photosensitive error detector |
US3700902A (en) * | 1971-01-13 | 1972-10-24 | Itek Corp | Optical information processing using variable electro-optic spatial filter |
-
1974
- 1974-08-27 US US05/500,869 patent/US3941996A/en not_active Expired - Lifetime
-
1975
- 1975-04-28 CA CA225,609A patent/CA1039094A/fr not_active Expired
- 1975-05-14 GB GB20249/75A patent/GB1500385A/en not_active Expired
- 1975-08-19 JP JP50100557A patent/JPS5146935A/ja active Pending
- 1975-08-21 FR FR7525899A patent/FR2283457A1/fr not_active Withdrawn
- 1975-08-22 BE BE159384A patent/BE832654A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
GB1500385A (en) | 1978-02-08 |
JPS5146935A (en) | 1976-04-22 |
FR2283457A1 (fr) | 1976-03-26 |
CA1039094A (fr) | 1978-09-26 |
US3941996A (en) | 1976-03-02 |
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