JPS5092129A - - Google Patents
Info
- Publication number
- JPS5092129A JPS5092129A JP49135041A JP13504174A JPS5092129A JP S5092129 A JPS5092129 A JP S5092129A JP 49135041 A JP49135041 A JP 49135041A JP 13504174 A JP13504174 A JP 13504174A JP S5092129 A JPS5092129 A JP S5092129A
- 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
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00422168A US3846629A (en) | 1973-12-06 | 1973-12-06 | Sensitivity balancing apparatus for photo responsive detecting circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5092129A true JPS5092129A (ja) | 1975-07-23 |
Family
ID=23673676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49135041A Pending JPS5092129A (ja) | 1973-12-06 | 1974-11-22 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3846629A (ja) |
| JP (1) | JPS5092129A (ja) |
| CA (1) | CA1014387A (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4012634A (en) * | 1974-04-29 | 1977-03-15 | Geometric Data Corporation | Automatic focusing system including quantizing means |
| DE2423136C3 (de) * | 1974-05-13 | 1982-07-29 | Fa. Carl Zeiss, 7920 Heidenheim | Vorrichtung zur automatischen Fokussierung von Stereomikroskopen |
| CA1044055A (en) * | 1974-12-04 | 1978-12-12 | Norman L. Stauffer | Signal processor for focus detecting apparatus |
| JPS6048007B2 (ja) * | 1978-06-14 | 1985-10-24 | 旭光学工業株式会社 | カメラの焦点検出装置 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3450883A (en) * | 1965-02-03 | 1969-06-17 | Conductron Corp | Automatic focusing apparatus |
| US3493764A (en) * | 1967-11-09 | 1970-02-03 | Logetronics Inc | Automatic focusing apparatus using a diffusing element |
| AT301331B (de) * | 1968-11-25 | 1972-08-25 | Eumig | Einrichtung zur Entfernungsmessung |
| 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 |
| US3708619A (en) * | 1970-10-15 | 1973-01-02 | Goodyear Aerospace Corp | Automatic focusing of optical systems |
| US3792268A (en) * | 1972-01-06 | 1974-02-12 | Ibm | Document scanner having optical diffusion means |
-
1973
- 1973-12-06 US US00422168A patent/US3846629A/en not_active Expired - Lifetime
-
1974
- 1974-11-22 JP JP49135041A patent/JPS5092129A/ja active Pending
- 1974-12-05 CA CA215,315A patent/CA1014387A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3846629A (en) | 1974-11-05 |
| CA1014387A (en) | 1977-07-26 |