JPH029323B2 - - Google Patents
Info
- Publication number
- JPH029323B2 JPH029323B2 JP13411280A JP13411280A JPH029323B2 JP H029323 B2 JPH029323 B2 JP H029323B2 JP 13411280 A JP13411280 A JP 13411280A JP 13411280 A JP13411280 A JP 13411280A JP H029323 B2 JPH029323 B2 JP H029323B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical system
- optical
- glass block
- optical axis
- 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
- 230000003287 optical effect Effects 0.000 claims description 124
- 238000003384 imaging method Methods 0.000 claims description 42
- 238000001514 detection method Methods 0.000 claims description 15
- 230000004907 flux Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 description 62
- 238000005259 measurement Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 16
- 230000004075 alteration Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- NCGICGYLBXGBGN-UHFFFAOYSA-N 3-morpholin-4-yl-1-oxa-3-azonia-2-azanidacyclopent-3-en-5-imine;hydrochloride Chemical compound Cl.[N-]1OC(=N)C=[N+]1N1CCOCC1 NCGICGYLBXGBGN-UHFFFAOYSA-N 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000002834 transmittance 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
- G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
- G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Lenses (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13411280A JPS5758110A (en) | 1980-09-25 | 1980-09-25 | Optical system having focus detector |
| US06/282,037 US4455065A (en) | 1980-07-15 | 1981-07-09 | Optical device |
| DE19813138066 DE3138066A1 (de) | 1980-09-25 | 1981-09-24 | Optisches system mit scharfeinstellerfassungseinrichtung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13411280A JPS5758110A (en) | 1980-09-25 | 1980-09-25 | Optical system having focus detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5758110A JPS5758110A (en) | 1982-04-07 |
| JPH029323B2 true JPH029323B2 (US20070167544A1-20070719-C00007.png) | 1990-03-01 |
Family
ID=15120732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13411280A Granted JPS5758110A (en) | 1980-07-15 | 1980-09-25 | Optical system having focus detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5758110A (US20070167544A1-20070719-C00007.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60100114A (ja) * | 1983-11-05 | 1985-06-04 | Canon Inc | 合焦検出装置 |
| TWI713894B (zh) * | 2018-09-07 | 2020-12-21 | 大立光電股份有限公司 | 電子裝置 |
-
1980
- 1980-09-25 JP JP13411280A patent/JPS5758110A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5758110A (en) | 1982-04-07 |
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