JPS5538749A - Synchronous system for data transmission - Google Patents

Synchronous system for data transmission

Info

Publication number
JPS5538749A
JPS5538749A JP11145278A JP11145278A JPS5538749A JP S5538749 A JPS5538749 A JP S5538749A JP 11145278 A JP11145278 A JP 11145278A JP 11145278 A JP11145278 A JP 11145278A JP S5538749 A JPS5538749 A JP S5538749A
Authority
JP
Japan
Prior art keywords
station
command
modem
delay circuit
synchronous 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.)
Granted
Application number
JP11145278A
Other languages
Japanese (ja)
Other versions
JPS5750104B2 (en
Inventor
Kosaku Yamaguchi
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.)
Meisei Electric Co Ltd
Original Assignee
Meisei Electric Co 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 Meisei Electric Co Ltd filed Critical Meisei Electric Co Ltd
Priority to JP11145278A priority Critical patent/JPS5538749A/en
Publication of JPS5538749A publication Critical patent/JPS5538749A/en
Publication of JPS5750104B2 publication Critical patent/JPS5750104B2/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

Landscapes

  • Small-Scale Networks (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:To ensure the coincidence of the sampling time for each observation station in case the data given from several observation stations are transmitted to the master station, by returning the synchronous pulse from the observation station and then giving an adjustment to the variable delay circuit inserted into the transmission line at the master station. CONSTITUTION:Command transmitter COMT of master station M delivers the synchronous signal and the command to slave station S. These command and signal are supplied to command receiver COMR of station S via 1st variable delay circuit DV1, MODEM-M, transmission line L and MODEM-S each. Thus the command controls sensor SN, and the synchronous signal decides the sampling time each. The synchronous signal is supplied to receiver RX of master station S along with the data sampled through transmitter TX via MODEM-S, transmission line L, MODEM-M and 2nd variable delay circuit DV2 each. Then phase detector PHD gives an interlocked adjustment to DV1 and 2 in order to secure the same phase between the synchronous signal sent back and the output of fixed delay circuit DF.
JP11145278A 1978-09-11 1978-09-11 Synchronous system for data transmission Granted JPS5538749A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11145278A JPS5538749A (en) 1978-09-11 1978-09-11 Synchronous system for data transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11145278A JPS5538749A (en) 1978-09-11 1978-09-11 Synchronous system for data transmission

Publications (2)

Publication Number Publication Date
JPS5538749A true JPS5538749A (en) 1980-03-18
JPS5750104B2 JPS5750104B2 (en) 1982-10-26

Family

ID=14561566

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11145278A Granted JPS5538749A (en) 1978-09-11 1978-09-11 Synchronous system for data transmission

Country Status (1)

Country Link
JP (1) JPS5538749A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59191993A (en) * 1983-03-31 1984-10-31 Toshiba Corp Line concentration distributing system
JPS62112433A (en) * 1985-11-12 1987-05-23 Nec Corp Clock distribution equipment
JPS62112434A (en) * 1985-11-12 1987-05-23 Nec Corp Clock distribution equipment
US4757521A (en) * 1984-05-17 1988-07-12 Tie/Communications, Inc. Synchronization method and apparatus for a telephone switching system
JPH0330537A (en) * 1989-06-28 1991-02-08 Nec Corp Digital signal transmission circuit
US5138635A (en) * 1989-02-16 1992-08-11 British Telecommunications Public Limited Company Network clock synchronization
US6868097B1 (en) 1999-01-28 2005-03-15 Mitsubishi Denki Kabushiki Kaisha Communication network, and master device, slave device, multiplexer and switch constituting the communication network
JP2006187134A (en) * 2004-12-28 2006-07-13 Toshiba Mitsubishi-Electric Industrial System Corp Motor control device
JP2023164046A (en) * 2022-04-28 2023-11-10 フジテコム株式会社 Data collection device, signal generation position specification system, data collection method, signal generation position specification method, and program

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947231A (en) * 1972-09-19 1974-05-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947231A (en) * 1972-09-19 1974-05-07

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59191993A (en) * 1983-03-31 1984-10-31 Toshiba Corp Line concentration distributing system
JPH039666B2 (en) * 1983-03-31 1991-02-08 Tokyo Shibaura Electric Co
US4757521A (en) * 1984-05-17 1988-07-12 Tie/Communications, Inc. Synchronization method and apparatus for a telephone switching system
JPS62112433A (en) * 1985-11-12 1987-05-23 Nec Corp Clock distribution equipment
JPS62112434A (en) * 1985-11-12 1987-05-23 Nec Corp Clock distribution equipment
US5138635A (en) * 1989-02-16 1992-08-11 British Telecommunications Public Limited Company Network clock synchronization
JPH0330537A (en) * 1989-06-28 1991-02-08 Nec Corp Digital signal transmission circuit
US6868097B1 (en) 1999-01-28 2005-03-15 Mitsubishi Denki Kabushiki Kaisha Communication network, and master device, slave device, multiplexer and switch constituting the communication network
JP2006187134A (en) * 2004-12-28 2006-07-13 Toshiba Mitsubishi-Electric Industrial System Corp Motor control device
JP2023164046A (en) * 2022-04-28 2023-11-10 フジテコム株式会社 Data collection device, signal generation position specification system, data collection method, signal generation position specification method, and program

Also Published As

Publication number Publication date
JPS5750104B2 (en) 1982-10-26

Similar Documents

Publication Publication Date Title
JPS54137909A (en) Simultaneous transmission system having phase synchronized remote transmitter
JPS5538749A (en) Synchronous system for data transmission
AU544077B2 (en) Data synchronisation
JPS5760754A (en) Synchronizing circuit
GB1158368A (en) Automatically Synchronised Time Indicating System
GB584457A (en) Synchronising circuit for multiplex electric impulse communication systems
JPS55165047A (en) Compensation unit for transmission delay time
GB961228A (en) Apparatus for synchronizing a remote television signal source
JPS5819178B2 (en) Timing control method in burst type transmission method
JPS5537013A (en) Facsimile device
JPS5279815A (en) Transmitting and receiving circuit
JPS54116589A (en) Remote supervisory equipment
GB1174174A (en) Two-Way Synchronous Ciphered Link
GB1444824A (en) Synchronous data transmission systems
SU771900A2 (en) Information transmitting system
SU1840128A1 (en) Device for pulling communication system using noise-like signals in synchronism
SU405181A1 (en) DEVICE FOR TRANSMISSION - PRINCIPLE OF QUASITROIC
JPS5631247A (en) Communication system
GB1149096A (en) Method of and system for measuring time difference between and synchronising precision clocks
JPS5491004A (en) Data transmission circuit
JPS54144122A (en) Continuous monitor system for pcm terminal station unit
JPS5553942A (en) Inter-frame transmission phase switching system
SYDNOR et al. Ultra stable frequency distribution system[Patent]
JPS54114007A (en) Balance adjusting system for branching circuit network
JPS6413825A (en) Transmission power controller