JPH02147959U - - Google Patents
Info
- Publication number
- JPH02147959U JPH02147959U JP5703689U JP5703689U JPH02147959U JP H02147959 U JPH02147959 U JP H02147959U JP 5703689 U JP5703689 U JP 5703689U JP 5703689 U JP5703689 U JP 5703689U JP H02147959 U JPH02147959 U JP H02147959U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- modular jack
- external
- voltage detection
- absence
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5703689U JPH0649002Y2 (ja) | 1989-05-19 | 1989-05-19 | 外部通話機能付電話機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5703689U JPH0649002Y2 (ja) | 1989-05-19 | 1989-05-19 | 外部通話機能付電話機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02147959U true JPH02147959U (enExample) | 1990-12-17 |
| JPH0649002Y2 JPH0649002Y2 (ja) | 1994-12-12 |
Family
ID=31581387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5703689U Expired - Lifetime JPH0649002Y2 (ja) | 1989-05-19 | 1989-05-19 | 外部通話機能付電話機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0649002Y2 (enExample) |
-
1989
- 1989-05-19 JP JP5703689U patent/JPH0649002Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0649002Y2 (ja) | 1994-12-12 |