JPH0225487B2 - - Google Patents
Info
- Publication number
- JPH0225487B2 JPH0225487B2 JP57004117A JP411782A JPH0225487B2 JP H0225487 B2 JPH0225487 B2 JP H0225487B2 JP 57004117 A JP57004117 A JP 57004117A JP 411782 A JP411782 A JP 411782A JP H0225487 B2 JPH0225487 B2 JP H0225487B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- focus
- optical system
- subject
- output
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 79
- 238000001514 detection method Methods 0.000 claims description 64
- 238000003384 imaging method Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 13
- 238000005286 illumination Methods 0.000 description 13
- 239000011521 glass Substances 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000005338 frosted glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 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)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP411782A JPS58121008A (ja) | 1982-01-14 | 1982-01-14 | 合焦検出装置及び合焦設定装置 |
US06/442,087 US4538062A (en) | 1981-11-19 | 1982-11-16 | Focusing detecting device with coaxial source and detector |
EP82306169A EP0080340B1 (en) | 1981-11-19 | 1982-11-19 | A device for detecting the focused state of an optical system |
AT82306169T ATE21778T1 (de) | 1981-11-19 | 1982-11-19 | Vorrichtung fuer die detektion des fokussierungszustandes eines optisches system. |
DE8282306169T DE3272935D1 (en) | 1981-11-19 | 1982-11-19 | A device for detecting the focused state of an optical system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP411782A JPS58121008A (ja) | 1982-01-14 | 1982-01-14 | 合焦検出装置及び合焦設定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58121008A JPS58121008A (ja) | 1983-07-19 |
JPH0225487B2 true JPH0225487B2 (it) | 1990-06-04 |
Family
ID=11575836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP411782A Granted JPS58121008A (ja) | 1981-11-19 | 1982-01-14 | 合焦検出装置及び合焦設定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58121008A (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04106227U (ja) * | 1991-02-22 | 1992-09-14 | けい子 堺 | 伸縮自在包装容器 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62139225A (ja) * | 1985-12-12 | 1987-06-22 | オムロン株式会社 | 光電スイツチ |
JPH0740455B2 (ja) * | 1986-04-09 | 1995-05-01 | オムロン株式会社 | 光学装置 |
JPS62262328A (ja) * | 1986-05-06 | 1987-11-14 | オムロン株式会社 | 光電スイツチ |
EP2306229A1 (en) | 1998-05-25 | 2011-04-06 | Panasonic Corporation | Range finder device and camera |
WO2017217498A1 (ja) * | 2016-06-16 | 2017-12-21 | 国立大学法人東京農工大学 | 内視鏡用拡張装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5099561A (it) * | 1973-12-28 | 1975-08-07 |
-
1982
- 1982-01-14 JP JP411782A patent/JPS58121008A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5099561A (it) * | 1973-12-28 | 1975-08-07 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04106227U (ja) * | 1991-02-22 | 1992-09-14 | けい子 堺 | 伸縮自在包装容器 |
Also Published As
Publication number | Publication date |
---|---|
JPS58121008A (ja) | 1983-07-19 |
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