JPH0292285U - - Google Patents
Info
- Publication number
- JPH0292285U JPH0292285U JP99589U JP99589U JPH0292285U JP H0292285 U JPH0292285 U JP H0292285U JP 99589 U JP99589 U JP 99589U JP 99589 U JP99589 U JP 99589U JP H0292285 U JPH0292285 U JP H0292285U
- Authority
- JP
- Japan
- Prior art keywords
- balancing circuit
- telephone line
- sidetone
- sidetone balancing
- telephone
- 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
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP99589U JPH0292285U (2) | 1989-01-09 | 1989-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP99589U JPH0292285U (2) | 1989-01-09 | 1989-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0292285U true JPH0292285U (2) | 1990-07-23 |
Family
ID=31200500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP99589U Pending JPH0292285U (2) | 1989-01-09 | 1989-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0292285U (2) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63258193A (ja) * | 1987-04-16 | 1988-10-25 | Tamura Electric Works Ltd | ボタン電話装置の停電用電話機回路 |
-
1989
- 1989-01-09 JP JP99589U patent/JPH0292285U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63258193A (ja) * | 1987-04-16 | 1988-10-25 | Tamura Electric Works Ltd | ボタン電話装置の停電用電話機回路 |
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