JPH0444787U - - Google Patents
Info
- Publication number
- JPH0444787U JPH0444787U JP8649590U JP8649590U JPH0444787U JP H0444787 U JPH0444787 U JP H0444787U JP 8649590 U JP8649590 U JP 8649590U JP 8649590 U JP8649590 U JP 8649590U JP H0444787 U JPH0444787 U JP H0444787U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- line
- switch
- call
- sound source
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Devices For Supply Of Signal Current (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8649590U JP2518651Y2 (ja) | 1990-08-17 | 1990-08-17 | 通話中の単独電話機への着信音送出回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8649590U JP2518651Y2 (ja) | 1990-08-17 | 1990-08-17 | 通話中の単独電話機への着信音送出回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0444787U true JPH0444787U (ko) | 1992-04-16 |
JP2518651Y2 JP2518651Y2 (ja) | 1996-11-27 |
Family
ID=31818192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8649590U Expired - Lifetime JP2518651Y2 (ja) | 1990-08-17 | 1990-08-17 | 通話中の単独電話機への着信音送出回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2518651Y2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63125090U (ko) * | 1987-02-06 | 1988-08-15 |
-
1990
- 1990-08-17 JP JP8649590U patent/JP2518651Y2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63125090U (ko) * | 1987-02-06 | 1988-08-15 |
Also Published As
Publication number | Publication date |
---|---|
JP2518651Y2 (ja) | 1996-11-27 |
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