JPS63172980U - - Google Patents
Info
- Publication number
- JPS63172980U JPS63172980U JP6553187U JP6553187U JPS63172980U JP S63172980 U JPS63172980 U JP S63172980U JP 6553187 U JP6553187 U JP 6553187U JP 6553187 U JP6553187 U JP 6553187U JP S63172980 U JPS63172980 U JP S63172980U
- Authority
- JP
- Japan
- Prior art keywords
- light
- watch
- alarm
- 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
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electromechanical Clocks (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6553187U JPS63172980U (pt) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6553187U JPS63172980U (pt) | 1987-04-30 | 1987-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63172980U true JPS63172980U (pt) | 1988-11-10 |
Family
ID=30902689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6553187U Pending JPS63172980U (pt) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63172980U (pt) |
-
1987
- 1987-04-30 JP JP6553187U patent/JPS63172980U/ja active Pending