JPH0419847U - - Google Patents
Info
- Publication number
- JPH0419847U JPH0419847U JP5829290U JP5829290U JPH0419847U JP H0419847 U JPH0419847 U JP H0419847U JP 5829290 U JP5829290 U JP 5829290U JP 5829290 U JP5829290 U JP 5829290U JP H0419847 U JPH0419847 U JP H0419847U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- ringing sound
- speaker
- output circuit
- signal
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5829290U JPH0419847U (zh) | 1990-05-31 | 1990-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5829290U JPH0419847U (zh) | 1990-05-31 | 1990-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0419847U true JPH0419847U (zh) | 1992-02-19 |
Family
ID=31583771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5829290U Pending JPH0419847U (zh) | 1990-05-31 | 1990-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0419847U (zh) |
-
1990
- 1990-05-31 JP JP5829290U patent/JPH0419847U/ja active Pending
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