JPH01100252U - - Google Patents
Info
- Publication number
- JPH01100252U JPH01100252U JP19371087U JP19371087U JPH01100252U JP H01100252 U JPH01100252 U JP H01100252U JP 19371087 U JP19371087 U JP 19371087U JP 19371087 U JP19371087 U JP 19371087U JP H01100252 U JPH01100252 U JP H01100252U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light source
- concavo
- reading device
- convex pattern
- 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 4
Landscapes
- Character Input (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19371087U JPH01100252U (tr) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19371087U JPH01100252U (tr) | 1987-12-21 | 1987-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01100252U true JPH01100252U (tr) | 1989-07-05 |
Family
ID=31484488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19371087U Pending JPH01100252U (tr) | 1987-12-21 | 1987-12-21 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01100252U (tr) |
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1987
- 1987-12-21 JP JP19371087U patent/JPH01100252U/ja active Pending