JPH0157885B2 - - Google Patents
Info
- Publication number
- JPH0157885B2 JPH0157885B2 JP12994082A JP12994082A JPH0157885B2 JP H0157885 B2 JPH0157885 B2 JP H0157885B2 JP 12994082 A JP12994082 A JP 12994082A JP 12994082 A JP12994082 A JP 12994082A JP H0157885 B2 JPH0157885 B2 JP H0157885B2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- light
- focus
- lens
- photoelectric
- 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.)
- Expired
Links
- 238000003384 imaging method Methods 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 24
- 230000003287 optical effect Effects 0.000 description 16
- 238000009826 distribution Methods 0.000 description 12
- 238000004364 calculation method Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 235000012431 wafers Nutrition 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005457 optimization Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005375 photometry Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000012546 transfer 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)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12994082A JPS5919913A (ja) | 1982-07-26 | 1982-07-26 | 焦点制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12994082A JPS5919913A (ja) | 1982-07-26 | 1982-07-26 | 焦点制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5919913A JPS5919913A (ja) | 1984-02-01 |
| JPH0157885B2 true JPH0157885B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-12-07 |
Family
ID=15022190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12994082A Granted JPS5919913A (ja) | 1982-07-26 | 1982-07-26 | 焦点制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5919913A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12317042B2 (en) | 2022-04-26 | 2025-05-27 | Panasonic Automotive Systems Co., Ltd. | Sub cone and loudspeaker |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3584314D1 (de) * | 1984-04-16 | 1991-11-14 | Image Recognition Systems Ltd | Automatische fokussiereinrichtung. |
| JPH0610694B2 (ja) * | 1985-04-12 | 1994-02-09 | 株式会社日立製作所 | 自動焦点合せ方法及び装置 |
-
1982
- 1982-07-26 JP JP12994082A patent/JPS5919913A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12317042B2 (en) | 2022-04-26 | 2025-05-27 | Panasonic Automotive Systems Co., Ltd. | Sub cone and loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5919913A (ja) | 1984-02-01 |