JPS52120709A - Common line signal system - Google Patents
Common line signal systemInfo
- Publication number
- JPS52120709A JPS52120709A JP3800176A JP3800176A JPS52120709A JP S52120709 A JPS52120709 A JP S52120709A JP 3800176 A JP3800176 A JP 3800176A JP 3800176 A JP3800176 A JP 3800176A JP S52120709 A JPS52120709 A JP S52120709A
- Authority
- JP
- Japan
- Prior art keywords
- common line
- line signal
- signal system
- control information
- equivallently
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Abstract
PURPOSE:To realize transfer of control information such as call connection, etc. between switchboard units and thus to realize the control information transmission route equivallently and easily.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3800176A JPS52120709A (en) | 1976-04-05 | 1976-04-05 | Common line signal system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3800176A JPS52120709A (en) | 1976-04-05 | 1976-04-05 | Common line signal system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52120709A true JPS52120709A (en) | 1977-10-11 |
Family
ID=12513328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3800176A Pending JPS52120709A (en) | 1976-04-05 | 1976-04-05 | Common line signal system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52120709A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56132045A (en) * | 1980-02-19 | 1981-10-16 | Rolm Corp | Computered branch exchange system |
JPS61167260A (en) * | 1985-01-18 | 1986-07-28 | Fujitsu Ltd | Channel allotting system of common channel signal |
-
1976
- 1976-04-05 JP JP3800176A patent/JPS52120709A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56132045A (en) * | 1980-02-19 | 1981-10-16 | Rolm Corp | Computered branch exchange system |
JPH05895B2 (en) * | 1980-02-19 | 1993-01-07 | Shiimensu Puraiueito Komyunikeishon Shisutemuzu Inc | |
JPS61167260A (en) * | 1985-01-18 | 1986-07-28 | Fujitsu Ltd | Channel allotting system of common channel signal |
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