JPS50104644A - - Google Patents
Info
- Publication number
- JPS50104644A JPS50104644A JP11833174A JP11833174A JPS50104644A JP S50104644 A JPS50104644 A JP S50104644A JP 11833174 A JP11833174 A JP 11833174A JP 11833174 A JP11833174 A JP 11833174A JP S50104644 A JPS50104644 A JP S50104644A
- 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
- G02B7/365—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals by analysis of the spatial frequency components of the image
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/40—Optical focusing aids
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Focusing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Automatic Focus Adjustment (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US43410274A | 1974-01-17 | 1974-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50104644A true JPS50104644A (en) | 1975-08-18 |
Family
ID=23722844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11833174A Pending JPS50104644A (en) | 1974-01-17 | 1974-10-16 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS50104644A (en) |
| AT (1) | AT370887B (en) |
| CA (1) | CA1021183A (en) |
| DE (1) | DE2447914C3 (en) |
| GB (1) | GB1480289A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5629215A (en) * | 1979-08-15 | 1981-03-24 | Konishiroku Photo Ind Co Ltd | Focus detector |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762993B (en) * | 2020-12-29 | 2021-10-08 | 深圳市韦德勋光电科技有限公司 | Detection device for raw material of LCD logic board substrate and use method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3689772A (en) * | 1971-08-18 | 1972-09-05 | Litton Systems Inc | Photodetector light pattern detector |
-
1974
- 1974-09-25 GB GB4167574A patent/GB1480289A/en not_active Expired
- 1974-10-08 DE DE19742447914 patent/DE2447914C3/en not_active Expired
- 1974-10-11 AT AT0821374A patent/AT370887B/en not_active IP Right Cessation
- 1974-10-15 CA CA211,440A patent/CA1021183A/en not_active Expired
- 1974-10-16 JP JP11833174A patent/JPS50104644A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3689772A (en) * | 1971-08-18 | 1972-09-05 | Litton Systems Inc | Photodetector light pattern detector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5629215A (en) * | 1979-08-15 | 1981-03-24 | Konishiroku Photo Ind Co Ltd | Focus detector |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2447914A1 (en) | 1975-07-31 |
| DE2447914B2 (en) | 1979-07-12 |
| GB1480289A (en) | 1977-07-20 |
| ATA821374A (en) | 1982-05-15 |
| DE2447914C3 (en) | 1980-03-20 |
| CA1021183A (en) | 1977-11-22 |
| AT370887B (en) | 1983-05-10 |