JPH01149174U - - Google Patents
Info
- Publication number
- JPH01149174U JPH01149174U JP1988045709U JP4570988U JPH01149174U JP H01149174 U JPH01149174 U JP H01149174U JP 1988045709 U JP1988045709 U JP 1988045709U JP 4570988 U JP4570988 U JP 4570988U JP H01149174 U JPH01149174 U JP H01149174U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- optical patterns
- rows
- columns
- regular intervals
- 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 description 6
- 239000000758 substrate Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Transforming Light Signals Into Electric Signals (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988045709U JPH01149174U (en]) | 1988-04-06 | 1988-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988045709U JPH01149174U (en]) | 1988-04-06 | 1988-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01149174U true JPH01149174U (en]) | 1989-10-16 |
Family
ID=31272012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988045709U Pending JPH01149174U (en]) | 1988-04-06 | 1988-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01149174U (en]) |
-
1988
- 1988-04-06 JP JP1988045709U patent/JPH01149174U/ja active Pending
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