JPS57212856A - Terminal adaptor system - Google Patents
Terminal adaptor systemInfo
- Publication number
- JPS57212856A JPS57212856A JP9755281A JP9755281A JPS57212856A JP S57212856 A JPS57212856 A JP S57212856A JP 9755281 A JP9755281 A JP 9755281A JP 9755281 A JP9755281 A JP 9755281A JP S57212856 A JPS57212856 A JP S57212856A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- main trunk
- button
- telephone
- trunk
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9755281A JPS57212856A (en) | 1981-06-25 | 1981-06-25 | Terminal adaptor system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9755281A JPS57212856A (en) | 1981-06-25 | 1981-06-25 | Terminal adaptor system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57212856A true JPS57212856A (en) | 1982-12-27 |
JPS644717B2 JPS644717B2 (de) | 1989-01-26 |
Family
ID=14195399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9755281A Granted JPS57212856A (en) | 1981-06-25 | 1981-06-25 | Terminal adaptor system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57212856A (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59221098A (ja) * | 1983-05-31 | 1984-12-12 | Toshiba Corp | ボタン電話装置の端末インタフエ−ス装置 |
JPS6096992A (ja) * | 1983-10-31 | 1985-05-30 | Toshiba Corp | ボタン電話装置の主装置と標準電話機とのインタフエ−ス方式 |
JPS60180294A (ja) * | 1984-02-27 | 1985-09-14 | Nippon Telegr & Teleph Corp <Ntt> | 電話システム |
JPS61212990A (ja) * | 1985-03-18 | 1986-09-20 | Nitsuko Ltd | 内線電話機呼出方式 |
JPS63294057A (ja) * | 1987-05-26 | 1988-11-30 | Matsushita Electric Works Ltd | 電話システム |
-
1981
- 1981-06-25 JP JP9755281A patent/JPS57212856A/ja active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59221098A (ja) * | 1983-05-31 | 1984-12-12 | Toshiba Corp | ボタン電話装置の端末インタフエ−ス装置 |
JPH0588599B2 (de) * | 1983-05-31 | 1993-12-22 | Tokyo Shibaura Electric Co | |
JPS6096992A (ja) * | 1983-10-31 | 1985-05-30 | Toshiba Corp | ボタン電話装置の主装置と標準電話機とのインタフエ−ス方式 |
JPS60180294A (ja) * | 1984-02-27 | 1985-09-14 | Nippon Telegr & Teleph Corp <Ntt> | 電話システム |
JPS61212990A (ja) * | 1985-03-18 | 1986-09-20 | Nitsuko Ltd | 内線電話機呼出方式 |
JPS63294057A (ja) * | 1987-05-26 | 1988-11-30 | Matsushita Electric Works Ltd | 電話システム |
Also Published As
Publication number | Publication date |
---|---|
JPS644717B2 (de) | 1989-01-26 |
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