JPS6472693A - Key telephone system - Google Patents
Key telephone systemInfo
- Publication number
- JPS6472693A JPS6472693A JP22852287A JP22852287A JPS6472693A JP S6472693 A JPS6472693 A JP S6472693A JP 22852287 A JP22852287 A JP 22852287A JP 22852287 A JP22852287 A JP 22852287A JP S6472693 A JPS6472693 A JP S6472693A
- Authority
- JP
- Japan
- Prior art keywords
- wire
- telephone set
- line
- line wire
- system 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22852287A JPS6472693A (en) | 1987-09-14 | 1987-09-14 | Key telephone system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22852287A JPS6472693A (en) | 1987-09-14 | 1987-09-14 | Key telephone system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6472693A true JPS6472693A (en) | 1989-03-17 |
JPH0458235B2 JPH0458235B2 (enrdf_load_stackoverflow) | 1992-09-16 |
Family
ID=16877739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22852287A Granted JPS6472693A (en) | 1987-09-14 | 1987-09-14 | Key telephone system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6472693A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03296393A (ja) * | 1990-04-14 | 1991-12-27 | Matsushita Electric Works Ltd | 電話交換装置 |
-
1987
- 1987-09-14 JP JP22852287A patent/JPS6472693A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03296393A (ja) * | 1990-04-14 | 1991-12-27 | Matsushita Electric Works Ltd | 電話交換装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0458235B2 (enrdf_load_stackoverflow) | 1992-09-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
EXPY | Cancellation because of completion of term |