JPS4922128A - - Google Patents
Info
- Publication number
- JPS4922128A JPS4922128A JP47060024A JP6002472A JPS4922128A JP S4922128 A JPS4922128 A JP S4922128A JP 47060024 A JP47060024 A JP 47060024A JP 6002472 A JP6002472 A JP 6002472A JP S4922128 A JPS4922128 A JP S4922128A
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6002472A JPS5531445B2 (enExample) | 1972-06-17 | 1972-06-17 | |
| US00358525A US3829866A (en) | 1972-06-17 | 1973-05-09 | Device for detecting a precise focusing point and an automatic focus adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6002472A JPS5531445B2 (enExample) | 1972-06-17 | 1972-06-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4922128A true JPS4922128A (enExample) | 1974-02-27 |
| JPS5531445B2 JPS5531445B2 (enExample) | 1980-08-18 |
Family
ID=13130072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6002472A Expired JPS5531445B2 (enExample) | 1972-06-17 | 1972-06-17 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3829866A (enExample) |
| JP (1) | JPS5531445B2 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55160585U (enExample) * | 1979-05-02 | 1980-11-18 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5339475Y2 (enExample) * | 1973-09-21 | 1978-09-25 | ||
| US4010479A (en) * | 1974-07-10 | 1977-03-01 | Asahi Kogaku Kogyo Kabushiki Kaisha | Focusing apparatus for optical systems |
| US4048643A (en) * | 1975-12-16 | 1977-09-13 | Tokyo Shibaura Electric Co., Ltd. | Exposure computation system |
| EP2274823A2 (en) * | 2008-03-26 | 2011-01-19 | Enphase Energy, Inc. | Method and apparatus for extending zero-voltage switching range in a dc to dc converter |
| JP5904735B2 (ja) * | 2011-09-20 | 2016-04-20 | 株式会社東芝 | 磁界共鳴方式回路 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3450883A (en) * | 1965-02-03 | 1969-06-17 | Conductron Corp | Automatic focusing apparatus |
| US3494694A (en) * | 1966-08-09 | 1970-02-10 | Cabin Ind | Automatic focusing apparatus for use in optical image projector |
| US3450018A (en) * | 1966-08-30 | 1969-06-17 | Bell & Howell Co | Automatic focusing apparatus |
| US3635551A (en) * | 1970-05-18 | 1972-01-18 | Gaf Corp | Automatic focusing system for projectors and the like |
-
1972
- 1972-06-17 JP JP6002472A patent/JPS5531445B2/ja not_active Expired
-
1973
- 1973-05-09 US US00358525A patent/US3829866A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55160585U (enExample) * | 1979-05-02 | 1980-11-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5531445B2 (enExample) | 1980-08-18 |
| US3829866A (en) | 1974-08-13 |