JPH01142892U - - Google Patents
Info
- Publication number
- JPH01142892U JPH01142892U JP4052088U JP4052088U JPH01142892U JP H01142892 U JPH01142892 U JP H01142892U JP 4052088 U JP4052088 U JP 4052088U JP 4052088 U JP4052088 U JP 4052088U JP H01142892 U JPH01142892 U JP H01142892U
- Authority
- JP
- Japan
- Prior art keywords
- bell
- time
- bells
- signal device
- sounds
- 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 1
Landscapes
- Electronic Switches (AREA)
- Measurement Of Predetermined Time Intervals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4052088U JPH01142892U (enExample) | 1988-03-28 | 1988-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4052088U JPH01142892U (enExample) | 1988-03-28 | 1988-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01142892U true JPH01142892U (enExample) | 1989-09-29 |
Family
ID=31266990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4052088U Pending JPH01142892U (enExample) | 1988-03-28 | 1988-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01142892U (enExample) |
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1988
- 1988-03-28 JP JP4052088U patent/JPH01142892U/ja active Pending