JPS55155223U - - Google Patents
Info
- Publication number
- JPS55155223U JPS55155223U JP1979052771U JP5277179U JPS55155223U JP S55155223 U JPS55155223 U JP S55155223U JP 1979052771 U JP1979052771 U JP 1979052771U JP 5277179 U JP5277179 U JP 5277179U JP S55155223 U JPS55155223 U JP S55155223U
- 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
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/18—Focusing aids
- G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979052771U JPS591204Y2 (ja) | 1979-04-21 | 1979-04-21 | 焦点検出装置における補正装置 |
| US06/131,493 US4322615A (en) | 1979-04-21 | 1980-03-18 | Focus detecting device with shielding |
| DE19803010963 DE3010963A1 (de) | 1979-04-21 | 1980-03-21 | Einrichtung zur feststellung der scharfeinstellung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979052771U JPS591204Y2 (ja) | 1979-04-21 | 1979-04-21 | 焦点検出装置における補正装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55155223U true JPS55155223U (ja) | 1980-11-08 |
| JPS591204Y2 JPS591204Y2 (ja) | 1984-01-13 |
Family
ID=12924120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979052771U Expired JPS591204Y2 (ja) | 1979-04-21 | 1979-04-21 | 焦点検出装置における補正装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4322615A (ja) |
| JP (1) | JPS591204Y2 (ja) |
| DE (1) | DE3010963A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58202412A (ja) * | 1982-05-21 | 1983-11-25 | Canon Inc | 焦点検出装置 |
| JPS59121613U (ja) * | 1983-02-05 | 1984-08-16 | キヤノン株式会社 | 焦点検出装置 |
| JPH1090594A (ja) * | 1996-09-17 | 1998-04-10 | Nikon Corp | 焦点検出装置を有する光学系 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3943359A (en) * | 1973-06-15 | 1976-03-09 | Hitachi, Ltd. | Apparatus for relatively positioning a plurality of objects by the use of a scanning optoelectric microscope |
| US4117325A (en) * | 1975-08-22 | 1978-09-26 | Ernst Leitz Wetzlar Gmbh | Optical objective focus indicator and display |
| JPS54145133A (en) * | 1978-05-02 | 1979-11-13 | Asahi Optical Co Ltd | Focus detector |
-
1979
- 1979-04-21 JP JP1979052771U patent/JPS591204Y2/ja not_active Expired
-
1980
- 1980-03-18 US US06/131,493 patent/US4322615A/en not_active Expired - Lifetime
- 1980-03-21 DE DE19803010963 patent/DE3010963A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE3010963A1 (de) | 1980-11-06 |
| JPS591204Y2 (ja) | 1984-01-13 |
| US4322615A (en) | 1982-03-30 |