JPH0236244U - - Google Patents
Info
- Publication number
- JPH0236244U JPH0236244U JP11494488U JP11494488U JPH0236244U JP H0236244 U JPH0236244 U JP H0236244U JP 11494488 U JP11494488 U JP 11494488U JP 11494488 U JP11494488 U JP 11494488U JP H0236244 U JPH0236244 U JP H0236244U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- busy
- telephone line
- constituted
- displaying
- 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 4
- 238000010586 diagram Methods 0.000 description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11494488U JPH0236244U (enExample) | 1988-09-02 | 1988-09-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11494488U JPH0236244U (enExample) | 1988-09-02 | 1988-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0236244U true JPH0236244U (enExample) | 1990-03-08 |
Family
ID=31356150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11494488U Pending JPH0236244U (enExample) | 1988-09-02 | 1988-09-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0236244U (enExample) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51147905A (en) * | 1975-06-14 | 1976-12-18 | Kiyoshi Makita | Busy indication circuit in a switch-box type additional telephone set |
-
1988
- 1988-09-02 JP JP11494488U patent/JPH0236244U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51147905A (en) * | 1975-06-14 | 1976-12-18 | Kiyoshi Makita | Busy indication circuit in a switch-box type additional telephone set |