JPH02101241U - - Google Patents
Info
- Publication number
- JPH02101241U JPH02101241U JP929089U JP929089U JPH02101241U JP H02101241 U JPH02101241 U JP H02101241U JP 929089 U JP929089 U JP 929089U JP 929089 U JP929089 U JP 929089U JP H02101241 U JPH02101241 U JP H02101241U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- rotation
- chopper
- detection section
- disk
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Spectrometry And Color Measurement (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP929089U JPH02101241U (en, 2012) | 1989-01-31 | 1989-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP929089U JPH02101241U (en, 2012) | 1989-01-31 | 1989-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101241U true JPH02101241U (en, 2012) | 1990-08-13 |
Family
ID=31215907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP929089U Pending JPH02101241U (en, 2012) | 1989-01-31 | 1989-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101241U (en, 2012) |
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1989
- 1989-01-31 JP JP929089U patent/JPH02101241U/ja active Pending