JPH01171304U - - Google Patents
Info
- Publication number
- JPH01171304U JPH01171304U JP6731888U JP6731888U JPH01171304U JP H01171304 U JPH01171304 U JP H01171304U JP 6731888 U JP6731888 U JP 6731888U JP 6731888 U JP6731888 U JP 6731888U JP H01171304 U JPH01171304 U JP H01171304U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light emitting
- emitting element
- receiving element
- rotating body
- 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
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6731888U JPH01171304U (enExample) | 1988-05-21 | 1988-05-21 | |
| US07/315,526 US4914831A (en) | 1988-03-04 | 1989-02-24 | Rotation detecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6731888U JPH01171304U (enExample) | 1988-05-21 | 1988-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01171304U true JPH01171304U (enExample) | 1989-12-05 |
Family
ID=31292691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6731888U Pending JPH01171304U (enExample) | 1988-03-04 | 1988-05-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01171304U (enExample) |
-
1988
- 1988-05-21 JP JP6731888U patent/JPH01171304U/ja active Pending