JPH0181587U - - Google Patents
Info
- Publication number
- JPH0181587U JPH0181587U JP1987177812U JP17781287U JPH0181587U JP H0181587 U JPH0181587 U JP H0181587U JP 1987177812 U JP1987177812 U JP 1987177812U JP 17781287 U JP17781287 U JP 17781287U JP H0181587 U JPH0181587 U JP H0181587U
- Authority
- JP
- Japan
- Prior art keywords
- light
- path
- optical
- emitting element
- receiving element
- 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 10
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Pinball Game Machines (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987177812U JPH0181587U (cs) | 1987-11-20 | 1987-11-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987177812U JPH0181587U (cs) | 1987-11-20 | 1987-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0181587U true JPH0181587U (cs) | 1989-05-31 |
Family
ID=31469463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987177812U Pending JPH0181587U (cs) | 1987-11-20 | 1987-11-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0181587U (cs) |
-
1987
- 1987-11-20 JP JP1987177812U patent/JPH0181587U/ja active Pending