JPS5081331A - - Google Patents
Info
- Publication number
- JPS5081331A JPS5081331A JP49122645A JP12264574A JPS5081331A JP S5081331 A JPS5081331 A JP S5081331A JP 49122645 A JP49122645 A JP 49122645A JP 12264574 A JP12264574 A JP 12264574A JP S5081331 A JPS5081331 A JP S5081331A
- Authority
- JP
- Japan
- 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
- G02B7/36—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)
- Automatic Focus Adjustment (AREA)
- Studio Devices (AREA)
- Focusing (AREA)
- Viewfinders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2356757A DE2356757C2 (de) | 1973-11-14 | 1973-11-14 | Einrichtung zur Bestimmung der relativen Lage der Ebene maximaler Amplitude einer Ortsfrequenz |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5081331A true JPS5081331A (US06534493-20030318-C00166.png) | 1975-07-02 |
| JPS6365923B2 JPS6365923B2 (US06534493-20030318-C00166.png) | 1988-12-19 |
Family
ID=5898037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49122645A Expired JPS6365923B2 (US06534493-20030318-C00166.png) | 1973-11-14 | 1974-10-25 |
Country Status (7)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58115425A (ja) * | 1981-12-24 | 1983-07-09 | エルンスト・ライツ・ヴエツラ−・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 電子的距離測定器を備えたレフレツクスカメラ |
| JPS622015U (US06534493-20030318-C00166.png) * | 1977-07-09 | 1987-01-08 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2703290A1 (de) * | 1977-01-27 | 1978-08-03 | Leitz Ernst Gmbh | Elektro-optische fokussiereinrichtung fuer fotografische kameras |
| DE2837555A1 (de) * | 1978-08-29 | 1980-03-20 | Leitz Ernst Gmbh | Elektronische scharfstelleinrichtung |
| DD150951A1 (de) * | 1980-05-16 | 1981-09-23 | Gottfried Koenig | Anordnung zur automatischen scharfeinstellung optischer systeme |
| DE3047184A1 (de) * | 1980-12-15 | 1982-07-22 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Spiegelreflexkamera mit elektronischem entfernungsmesser |
| DE3209908A1 (de) * | 1981-12-24 | 1983-09-22 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Spiegelreflexkamera mit elektronischem entfernungsmesser |
| DD234340A3 (de) * | 1984-05-02 | 1986-04-02 | Zeiss Jena Veb Carl | Automatische fokussiereinrichtung |
| JP2927047B2 (ja) * | 1991-05-02 | 1999-07-28 | キヤノン株式会社 | 焦点検出装置 |
| CN100422842C (zh) * | 2005-03-16 | 2008-10-01 | 亚洲光学股份有限公司 | 辅助对焦方法 |
| CN104121990B (zh) * | 2014-07-22 | 2016-05-11 | 中国科学院上海光学精密机械研究所 | 基于随机光栅的压缩感知宽波段高光谱成像系统 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3398665A (en) * | 1965-10-24 | 1968-08-27 | Bell & Howell Co | Lenticular screen autofocus system |
| JPS4852230A (US06534493-20030318-C00166.png) * | 1971-10-29 | 1973-07-23 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1249302A (en) * | 1968-01-16 | 1971-10-13 | Secr Defence | Improvements in or relating to optical beam splitter devices and apparatus |
| US3610934A (en) * | 1969-08-22 | 1971-10-05 | Century Geophysical Corp | Automatic focusing system utilizing means for alternately directing light over two paths having slightly different lengths |
| JPS499372B1 (US06534493-20030318-C00166.png) * | 1969-11-15 | 1974-03-04 | ||
| US3571598A (en) * | 1969-12-08 | 1971-03-23 | Mc Donnell Douglas Corp | Automatic focusing means using an analog signal correlator |
| US3798660A (en) * | 1971-10-11 | 1974-03-19 | Canon Kk | Automatic focusing device for cameras |
| DE2156617C3 (de) * | 1971-11-15 | 1980-08-21 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Einrichtung zur Bestimmung der Lage der Ebene maximaler Amplitude einer Ortsfrequenz, beispielsweise bei einem Entfernungsmesser |
| JPS5618928B2 (US06534493-20030318-C00166.png) * | 1971-12-29 | 1981-05-02 |
-
1973
- 1973-11-14 DE DE2356757A patent/DE2356757C2/de not_active Expired
-
1974
- 1974-10-16 AT AT0833174A patent/AT365786B/de not_active IP Right Cessation
- 1974-10-21 CH CH1405374A patent/CH596562A5/xx not_active IP Right Cessation
- 1974-10-24 US US05/517,846 patent/US3953728A/en not_active Expired - Lifetime
- 1974-10-25 JP JP49122645A patent/JPS6365923B2/ja not_active Expired
- 1974-11-07 GB GB48177/74A patent/GB1484877A/en not_active Expired
- 1974-11-13 FR FR7437471A patent/FR2251017B3/fr not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3398665A (en) * | 1965-10-24 | 1968-08-27 | Bell & Howell Co | Lenticular screen autofocus system |
| JPS4852230A (US06534493-20030318-C00166.png) * | 1971-10-29 | 1973-07-23 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS622015U (US06534493-20030318-C00166.png) * | 1977-07-09 | 1987-01-08 | ||
| JPS6246175Y2 (US06534493-20030318-C00166.png) * | 1977-07-09 | 1987-12-11 | ||
| JPS58115425A (ja) * | 1981-12-24 | 1983-07-09 | エルンスト・ライツ・ヴエツラ−・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | 電子的距離測定器を備えたレフレツクスカメラ |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2251017B3 (US06534493-20030318-C00166.png) | 1977-08-12 |
| US3953728A (en) | 1976-04-27 |
| JPS6365923B2 (US06534493-20030318-C00166.png) | 1988-12-19 |
| FR2251017A1 (US06534493-20030318-C00166.png) | 1975-06-06 |
| ATA833174A (de) | 1981-06-15 |
| GB1484877A (en) | 1977-09-08 |
| CH596562A5 (US06534493-20030318-C00166.png) | 1978-03-15 |
| DE2356757C2 (de) | 1982-04-08 |
| DE2356757A1 (de) | 1975-05-22 |
| AT365786B (de) | 1982-02-10 |
