JPH0473732B2 - - Google Patents
Info
- Publication number
- JPH0473732B2 JPH0473732B2 JP4250486A JP4250486A JPH0473732B2 JP H0473732 B2 JPH0473732 B2 JP H0473732B2 JP 4250486 A JP4250486 A JP 4250486A JP 4250486 A JP4250486 A JP 4250486A JP H0473732 B2 JPH0473732 B2 JP H0473732B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- diffracted
- light beam
- grating
- optical
- 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 47
- 230000001427 coherent effect Effects 0.000 claims description 8
- 230000005855 radiation Effects 0.000 description 32
- 230000010287 polarization Effects 0.000 description 19
- 230000004907 flux Effects 0.000 description 14
- 238000005259 measurement Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 241000282326 Felis catus Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Optical Transform (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4250486A JPS62200218A (ja) | 1986-02-27 | 1986-02-27 | エンコ−ダ− |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4250486A JPS62200218A (ja) | 1986-02-27 | 1986-02-27 | エンコ−ダ− |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62200218A JPS62200218A (ja) | 1987-09-03 |
| JPH0473732B2 true JPH0473732B2 (en]) | 1992-11-24 |
Family
ID=12637894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4250486A Granted JPS62200218A (ja) | 1986-02-27 | 1986-02-27 | エンコ−ダ− |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62200218A (en]) |
-
1986
- 1986-02-27 JP JP4250486A patent/JPS62200218A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62200218A (ja) | 1987-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4868385A (en) | Rotating state detection apparatus using a plurality of light beams | |
| US4979826A (en) | Displacement measuring apparatus | |
| JP2586120B2 (ja) | エンコーダー | |
| US5000542A (en) | Optical type encoder | |
| US5017777A (en) | Diffracted beam encoder | |
| JPS62200225A (ja) | ロ−タリ−エンコ−ダ− | |
| JPH0781883B2 (ja) | エンコーダー | |
| JPH045142B2 (en]) | ||
| JPH0462003B2 (en]) | ||
| JPS62200224A (ja) | 変位測定装置 | |
| JPH07117426B2 (ja) | 光学式エンコーダー | |
| JPH0473732B2 (en]) | ||
| JPH07119626B2 (ja) | ロータリーエンコーダー | |
| JPS62204126A (ja) | エンコ−ダ− | |
| JPH0462004B2 (en]) | ||
| JPH0545164B2 (en]) | ||
| JPH07119623B2 (ja) | 変位測定装置 | |
| JPS62163919A (ja) | ロ−タリ−エンコ−ダ− | |
| JP3517506B2 (ja) | 光学式変位測定装置 | |
| JPS62200223A (ja) | エンコ−ダ− | |
| JPS62163918A (ja) | ロ−タリ−エンコ−ダ− | |
| JPH0466294B2 (en]) | ||
| JPH0466293B2 (en]) | ||
| JPS62163920A (ja) | ロ−タリ−エンコ−ダ− | |
| JPS62204124A (ja) | エンコ−ダ− |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |