JPS51115710A - Telephone exchange device - Google Patents
Telephone exchange deviceInfo
- Publication number
- JPS51115710A JPS51115710A JP4072275A JP4072275A JPS51115710A JP S51115710 A JPS51115710 A JP S51115710A JP 4072275 A JP4072275 A JP 4072275A JP 4072275 A JP4072275 A JP 4072275A JP S51115710 A JPS51115710 A JP S51115710A
- Authority
- JP
- Japan
- Prior art keywords
- exchange device
- telephone exchange
- operate
- allows
- electronically controlled
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4072275A JPS51115710A (en) | 1975-04-02 | 1975-04-02 | Telephone exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4072275A JPS51115710A (en) | 1975-04-02 | 1975-04-02 | Telephone exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS51115710A true JPS51115710A (en) | 1976-10-12 |
Family
ID=12588479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4072275A Pending JPS51115710A (en) | 1975-04-02 | 1975-04-02 | Telephone exchange device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51115710A (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04284798A (ja) * | 1991-03-14 | 1992-10-09 | Matsushita Electric Ind Co Ltd | ボタン電話装置 |
-
1975
- 1975-04-02 JP JP4072275A patent/JPS51115710A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04284798A (ja) * | 1991-03-14 | 1992-10-09 | Matsushita Electric Ind Co Ltd | ボタン電話装置 |
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