JPS6139289Y2 - - Google Patents
Info
- Publication number
- JPS6139289Y2 JPS6139289Y2 JP18515181U JP18515181U JPS6139289Y2 JP S6139289 Y2 JPS6139289 Y2 JP S6139289Y2 JP 18515181 U JP18515181 U JP 18515181U JP 18515181 U JP18515181 U JP 18515181U JP S6139289 Y2 JPS6139289 Y2 JP S6139289Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- scale
- reflected
- phase
- diffraction grating
- 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
Landscapes
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981185151U JPS5889810U (ja) | 1981-12-11 | 1981-12-11 | 光学式スケ−ル読取装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981185151U JPS5889810U (ja) | 1981-12-11 | 1981-12-11 | 光学式スケ−ル読取装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5889810U JPS5889810U (ja) | 1983-06-17 |
JPS6139289Y2 true JPS6139289Y2 (en, 2012) | 1986-11-11 |
Family
ID=29985943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981185151U Granted JPS5889810U (ja) | 1981-12-11 | 1981-12-11 | 光学式スケ−ル読取装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5889810U (en, 2012) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3633574A1 (de) * | 1986-10-02 | 1988-04-14 | Heidenhain Gmbh Dr Johannes | Lichtelektrische winkelmesseinrichtung |
JP2019211360A (ja) * | 2018-06-06 | 2019-12-12 | ファナック株式会社 | エンコーダ |
-
1981
- 1981-12-11 JP JP1981185151U patent/JPS5889810U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5889810U (ja) | 1983-06-17 |
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