JPS5067648A - - Google Patents
Info
- Publication number
- JPS5067648A JPS5067648A JP11657673A JP11657673A JPS5067648A JP S5067648 A JPS5067648 A JP S5067648A JP 11657673 A JP11657673 A JP 11657673A JP 11657673 A JP11657673 A JP 11657673A JP S5067648 A JPS5067648 A JP S5067648A
- 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.)
- Pending
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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
-
- 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)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11657673A JPS5067648A (US07655746-20100202-C00011.png) | 1973-10-17 | 1973-10-17 | |
| FR7434593A FR2248531B1 (US07655746-20100202-C00011.png) | 1973-10-17 | 1974-10-15 | |
| GB4486674A GB1482793A (en) | 1973-10-17 | 1974-10-16 | Automatic focus detector |
| DE19742449538 DE2449538B2 (de) | 1973-10-17 | 1974-10-17 | Einrichtung zur Scharfeinstellung eines optischen Systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11657673A JPS5067648A (US07655746-20100202-C00011.png) | 1973-10-17 | 1973-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5067648A true JPS5067648A (US07655746-20100202-C00011.png) | 1975-06-06 |
Family
ID=14690522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11657673A Pending JPS5067648A (US07655746-20100202-C00011.png) | 1973-10-17 | 1973-10-17 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5067648A (US07655746-20100202-C00011.png) |
| DE (1) | DE2449538B2 (US07655746-20100202-C00011.png) |
| FR (1) | FR2248531B1 (US07655746-20100202-C00011.png) |
| GB (1) | GB1482793A (US07655746-20100202-C00011.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2564215B1 (fr) * | 1984-05-09 | 1987-07-17 | Centre Nat Etd Spatiales | Dispositif pour detecter et commander la mise au point d'un appareil de prise de vue |
-
1973
- 1973-10-17 JP JP11657673A patent/JPS5067648A/ja active Pending
-
1974
- 1974-10-15 FR FR7434593A patent/FR2248531B1/fr not_active Expired
- 1974-10-16 GB GB4486674A patent/GB1482793A/en not_active Expired
- 1974-10-17 DE DE19742449538 patent/DE2449538B2/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2449538B2 (de) | 1978-05-24 |
| DE2449538A1 (de) | 1975-04-30 |
| FR2248531B1 (US07655746-20100202-C00011.png) | 1981-08-07 |
| DE2449538C3 (US07655746-20100202-C00011.png) | 1979-01-25 |
| GB1482793A (en) | 1977-08-17 |
| FR2248531A1 (US07655746-20100202-C00011.png) | 1975-05-16 |
