JPS5675742A - Initial synchronizing system in time sharing multidirectional communication network - Google Patents

Initial synchronizing system in time sharing multidirectional communication network

Info

Publication number
JPS5675742A
JPS5675742A JP15237779A JP15237779A JPS5675742A JP S5675742 A JPS5675742 A JP S5675742A JP 15237779 A JP15237779 A JP 15237779A JP 15237779 A JP15237779 A JP 15237779A JP S5675742 A JPS5675742 A JP S5675742A
Authority
JP
Japan
Prior art keywords
slave stations
signals
frame
constitution
communication network
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
Application number
JP15237779A
Other languages
Japanese (ja)
Other versions
JPH0145256B2 (en
Inventor
Susumu Sasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP15237779A priority Critical patent/JPS5675742A/en
Publication of JPS5675742A publication Critical patent/JPS5675742A/en
Publication of JPH0145256B2 publication Critical patent/JPH0145256B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/10—Arrangements for initial synchronisation

Abstract

PURPOSE:To reduce a synchronizing time, by changing the signal constitution from the master station to slave stations, at initial synchronism and resynchronism. CONSTITUTION:The transmission frame F, which is transmitted from the master station to the slave stations, is constituted by adding a frame synchronism signal FS before the data signal toward the slave stations. The frame constitution for the slave stations consists of random signals a1-an, frame synchronizing signals b1-bn, and data sections c1-cn. Without line disconnection, the signals a1-an and b1-bn are inserted as reproducing signals before each data, and if a line between slave stations is open, the length of signals a1-an and b1-bn is changed. Thus, the initial synchronism is made easily stable and high speedy, by changing the content of additional bits.
JP15237779A 1979-11-27 1979-11-27 Initial synchronizing system in time sharing multidirectional communication network Granted JPS5675742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15237779A JPS5675742A (en) 1979-11-27 1979-11-27 Initial synchronizing system in time sharing multidirectional communication network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15237779A JPS5675742A (en) 1979-11-27 1979-11-27 Initial synchronizing system in time sharing multidirectional communication network

Publications (2)

Publication Number Publication Date
JPS5675742A true JPS5675742A (en) 1981-06-23
JPH0145256B2 JPH0145256B2 (en) 1989-10-03

Family

ID=15539188

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15237779A Granted JPS5675742A (en) 1979-11-27 1979-11-27 Initial synchronizing system in time sharing multidirectional communication network

Country Status (1)

Country Link
JP (1) JPS5675742A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507410A (en) * 1972-11-24 1975-01-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507410A (en) * 1972-11-24 1975-01-25

Also Published As

Publication number Publication date
JPH0145256B2 (en) 1989-10-03

Similar Documents

Publication Publication Date Title
JPS55117357A (en) Time-division multiplex communication system
JPS55136742A (en) Multiplex communication system
EP0180066A3 (en) multidrop modem communication system
JPS5563166A (en) Continuous transmission system for picture information
GB2351886B (en) Apparatus and method for improving performance in master and slave communications systems
EP0143650A3 (en) Vehicle multiplex system
JPS5675742A (en) Initial synchronizing system in time sharing multidirectional communication network
AU5557799A (en) Bi-directional communications protocol
ES409302A1 (en) Frame synchronization system
ATE301380T1 (en) DATA TRANSMISSION METHOD AND SYSTEM
CA2073121A1 (en) Method and arrangement for data transmission
JPS5429504A (en) Simultaneous service system for audio and date communication
IE812306L (en) Tasi system
EP0049045A3 (en) A multi-master station, multi-channel digital communication system with channel selection provided at each terminal
JPS56149848A (en) Signal transmission system
JPH02180447A (en) Random access control system for radio channel
JPS5780847A (en) Loop data transmission system
JPS53115120A (en) Intra-office phase synchronous system
JPS57135558A (en) Digital transmission system for subscriber line
JPS5331909A (en) Communication network structure system
JPS5379409A (en) Transmission control system
JPS6439843A (en) Subordinate synchronization type digital transmission system
JPS55158749A (en) Auxiliary signal inserting system for time-division multi-directional communication network
JPS6471350A (en) Signal transmitter
JPS58142654A (en) Transmitting system