JPS53146517A - Data communication system - Google Patents

Data communication system

Info

Publication number
JPS53146517A
JPS53146517A JP6193977A JP6193977A JPS53146517A JP S53146517 A JPS53146517 A JP S53146517A JP 6193977 A JP6193977 A JP 6193977A JP 6193977 A JP6193977 A JP 6193977A JP S53146517 A JPS53146517 A JP S53146517A
Authority
JP
Japan
Prior art keywords
communication system
data communication
signal
rationalization
giving
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
Application number
JP6193977A
Other languages
Japanese (ja)
Inventor
Toru Fujisawa
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP6193977A priority Critical patent/JPS53146517A/en
Publication of JPS53146517A publication Critical patent/JPS53146517A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals

Abstract

PURPOSE:To promote the rationalization of the data transmission system by giving the time-division multiplication to the out-band signal transmission line and transmitting the remote monitor control signal in addition to the telephone exchange connecting signal.
JP6193977A 1977-05-26 1977-05-26 Data communication system Pending JPS53146517A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6193977A JPS53146517A (en) 1977-05-26 1977-05-26 Data communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6193977A JPS53146517A (en) 1977-05-26 1977-05-26 Data communication system

Publications (1)

Publication Number Publication Date
JPS53146517A true JPS53146517A (en) 1978-12-20

Family

ID=13185647

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6193977A Pending JPS53146517A (en) 1977-05-26 1977-05-26 Data communication system

Country Status (1)

Country Link
JP (1) JPS53146517A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03254239A (en) * 1990-03-02 1991-11-13 Masao Nakagawa Traveling object communication method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03254239A (en) * 1990-03-02 1991-11-13 Masao Nakagawa Traveling object communication method

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