JPS5287305A - Talk line switching circuit in push-phone - Google Patents
Talk line switching circuit in push-phoneInfo
- Publication number
- JPS5287305A JPS5287305A JP361776A JP361776A JPS5287305A JP S5287305 A JPS5287305 A JP S5287305A JP 361776 A JP361776 A JP 361776A JP 361776 A JP361776 A JP 361776A JP S5287305 A JPS5287305 A JP S5287305A
- Authority
- JP
- Japan
- Prior art keywords
- phone
- push
- switching circuit
- line switching
- line
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
Landscapes
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- 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 |
---|---|---|---|
JP361776A JPS5287305A (en) | 1976-01-14 | 1976-01-14 | Talk line switching circuit in push-phone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP361776A JPS5287305A (en) | 1976-01-14 | 1976-01-14 | Talk line switching circuit in push-phone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5287305A true JPS5287305A (en) | 1977-07-21 |
JPS555950B2 JPS555950B2 (ja) | 1980-02-12 |
Family
ID=11562445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP361776A Granted JPS5287305A (en) | 1976-01-14 | 1976-01-14 | Talk line switching circuit in push-phone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5287305A (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4859706A (ja) * | 1971-11-26 | 1973-08-22 |
-
1976
- 1976-01-14 JP JP361776A patent/JPS5287305A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4859706A (ja) * | 1971-11-26 | 1973-08-22 |
Also Published As
Publication number | Publication date |
---|---|
JPS555950B2 (ja) | 1980-02-12 |
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