JPH01158912U - - Google Patents
Info
- Publication number
- JPH01158912U JPH01158912U JP5495688U JP5495688U JPH01158912U JP H01158912 U JPH01158912 U JP H01158912U JP 5495688 U JP5495688 U JP 5495688U JP 5495688 U JP5495688 U JP 5495688U JP H01158912 U JPH01158912 U JP H01158912U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving
- emitting
- emitting means
- substrate
- 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 7
- 238000001514 detection method Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5495688U JPH01158912U (fr) | 1988-04-23 | 1988-04-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5495688U JPH01158912U (fr) | 1988-04-23 | 1988-04-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01158912U true JPH01158912U (fr) | 1989-11-02 |
Family
ID=31280865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5495688U Pending JPH01158912U (fr) | 1988-04-23 | 1988-04-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01158912U (fr) |
-
1988
- 1988-04-23 JP JP5495688U patent/JPH01158912U/ja active Pending
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