JPH0380326U - - Google Patents
Info
- Publication number
- JPH0380326U JPH0380326U JP14120689U JP14120689U JPH0380326U JP H0380326 U JPH0380326 U JP H0380326U JP 14120689 U JP14120689 U JP 14120689U JP 14120689 U JP14120689 U JP 14120689U JP H0380326 U JPH0380326 U JP H0380326U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- wavelength
- relational expression
- encoder plate
- detection device
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims 9
- 238000006073 displacement reaction Methods 0.000 claims 6
- 230000001427 coherent effect Effects 0.000 claims 5
- 238000001514 detection method Methods 0.000 claims 5
- 230000001419 dependent effect Effects 0.000 claims 2
- 230000004907 flux Effects 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Transform (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14120689U JPH0380326U (de) | 1989-12-07 | 1989-12-07 | |
| US07/584,786 US5073710A (en) | 1989-09-21 | 1990-09-19 | Optical displacement detector including a displacement member's surface having a diffractive pattern and a holographic lens pattern |
| DE4030049A DE4030049C2 (de) | 1989-09-21 | 1990-09-20 | Gerät zur fotoelektrischen Ermittlung der Verschiebung eines Verschiebungsglieds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14120689U JPH0380326U (de) | 1989-12-07 | 1989-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0380326U true JPH0380326U (de) | 1991-08-16 |
Family
ID=31688121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14120689U Pending JPH0380326U (de) | 1989-09-21 | 1989-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0380326U (de) |
-
1989
- 1989-12-07 JP JP14120689U patent/JPH0380326U/ja active Pending
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