JPH01179216U - - Google Patents
Info
- Publication number
- JPH01179216U JPH01179216U JP7687488U JP7687488U JPH01179216U JP H01179216 U JPH01179216 U JP H01179216U JP 7687488 U JP7687488 U JP 7687488U JP 7687488 U JP7687488 U JP 7687488U JP H01179216 U JPH01179216 U JP H01179216U
- Authority
- JP
- Japan
- Prior art keywords
- laser light
- light
- measurement scale
- half mirror
- 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.)
- Pending
Links
- 238000005259 measurement Methods 0.000 claims 3
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Optical Transform (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7687488U JPH01179216U (nl) | 1988-06-10 | 1988-06-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7687488U JPH01179216U (nl) | 1988-06-10 | 1988-06-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01179216U true JPH01179216U (nl) | 1989-12-22 |
Family
ID=31301882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7687488U Pending JPH01179216U (nl) | 1988-06-10 | 1988-06-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01179216U (nl) |
-
1988
- 1988-06-10 JP JP7687488U patent/JPH01179216U/ja active Pending
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