NL6919418A - - Google Patents
Info
- Publication number
- NL6919418A NL6919418A NL6919418A NL6919418A NL6919418A NL 6919418 A NL6919418 A NL 6919418A NL 6919418 A NL6919418 A NL 6919418A NL 6919418 A NL6919418 A NL 6919418A NL 6919418 A NL6919418 A NL 6919418A
- Authority
- NL
- Netherlands
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
- G02B7/34—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9449668 | 1968-12-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6919418A true NL6919418A (xx) | 1970-06-29 |
Family
ID=14111894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6919418A NL6919418A (xx) | 1968-12-25 | 1969-12-24 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3614921A (xx) |
GB (1) | GB1290709A (xx) |
NL (1) | NL6919418A (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2225557A1 (de) * | 1971-06-23 | 1973-03-15 | Hauser Raimund | Entfernungsmesser |
JPS4853717A (xx) * | 1971-11-02 | 1973-07-28 | ||
JPS5647533B2 (xx) * | 1973-12-14 | 1981-11-10 | ||
JPS5262022A (en) * | 1975-11-17 | 1977-05-23 | Bell & Howell Co | Closed loop automatic focusing system |
JPS53163132U (xx) * | 1977-05-28 | 1978-12-20 | ||
AU554186B2 (en) * | 1981-10-26 | 1986-08-14 | Sony Corporation | Apparatus for detecting distance to an object |
JPS5934505A (ja) * | 1982-08-20 | 1984-02-24 | Canon Inc | 合焦検出装置 |
US4484808A (en) * | 1982-11-01 | 1984-11-27 | Polaroid Corporation | Method of and apparatus for controlling scene radiation |
JPS6052710A (ja) * | 1983-09-01 | 1985-03-26 | Rikagaku Kenkyusho | 距離検知装置 |
-
1969
- 1969-12-17 US US885936A patent/US3614921A/en not_active Expired - Lifetime
- 1969-12-19 GB GB1290709D patent/GB1290709A/en not_active Expired
- 1969-12-24 NL NL6919418A patent/NL6919418A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1963653A1 (de) | 1970-07-09 |
US3614921A (en) | 1971-10-26 |
DE1963653B2 (de) | 1975-10-02 |
GB1290709A (xx) | 1972-09-27 |