JPS54162909A - Line signal control system - Google Patents
Line signal control systemInfo
- Publication number
- JPS54162909A JPS54162909A JP7161578A JP7161578A JPS54162909A JP S54162909 A JPS54162909 A JP S54162909A JP 7161578 A JP7161578 A JP 7161578A JP 7161578 A JP7161578 A JP 7161578A JP S54162909 A JPS54162909 A JP S54162909A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- line
- transmits
- circuit
- line signal
- 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
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Abstract
PURPOSE:To perform the transfer of line signals before lapse of the recognition time of the line signal in order to shorten the transfer signal at the multi-step repeating exchange from the preceding to next circuit or vice versa. CONSTITUTION:Receiver 51 within signal unit 5 transmits line signal F1 or F2 sent from the next circuit to central controller CC via scan circuit 7, and also transmits signal SP1 and SP2 in the same way if the line signal continues more than the fixed time T1 and T2. Controller CC, when receiving signal SP1, transmits immediately transmission command SF1 or SF2 of signal F1 or F2 to the transmitter similar to transmitter 52. Thus the transmitter transmits the line signals. With reception of signal SP2, CC recognizes that the line signal is effective to continue the transmission of the line signals to the preceding circuit. However, in case the line signal is not effective, the transmission of the line signals to the preceding circuit is stopped immediately.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7161578A JPS54162909A (en) | 1978-06-14 | 1978-06-14 | Line signal control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7161578A JPS54162909A (en) | 1978-06-14 | 1978-06-14 | Line signal control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54162909A true JPS54162909A (en) | 1979-12-25 |
Family
ID=13465721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7161578A Pending JPS54162909A (en) | 1978-06-14 | 1978-06-14 | Line signal control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54162909A (en) |
-
1978
- 1978-06-14 JP JP7161578A patent/JPS54162909A/en active Pending
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