JPS58111910A - 焦点検出装置 - Google Patents
焦点検出装置Info
- Publication number
- JPS58111910A JPS58111910A JP21056581A JP21056581A JPS58111910A JP S58111910 A JPS58111910 A JP S58111910A JP 21056581 A JP21056581 A JP 21056581A JP 21056581 A JP21056581 A JP 21056581A JP S58111910 A JPS58111910 A JP S58111910A
- Authority
- JP
- Japan
- Prior art keywords
- optical axis
- photosensor
- plate
- photodiodes
- light
- Prior art date
- 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
- 230000003287 optical effect Effects 0.000 claims abstract description 25
- 238000003491 array Methods 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 24
- 238000003384 imaging method Methods 0.000 claims description 17
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 15
- 229920003023 plastic Polymers 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000011514 reflex Effects 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21056581A JPS58111910A (ja) | 1981-12-25 | 1981-12-25 | 焦点検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21056581A JPS58111910A (ja) | 1981-12-25 | 1981-12-25 | 焦点検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58111910A true JPS58111910A (ja) | 1983-07-04 |
| JPH0356450B2 JPH0356450B2 (enrdf_load_stackoverflow) | 1991-08-28 |
Family
ID=16591422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21056581A Granted JPS58111910A (ja) | 1981-12-25 | 1981-12-25 | 焦点検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58111910A (enrdf_load_stackoverflow) |
-
1981
- 1981-12-25 JP JP21056581A patent/JPS58111910A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0356450B2 (enrdf_load_stackoverflow) | 1991-08-28 |
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