JPS5429510A - Data communication system - Google Patents

Data communication system

Info

Publication number
JPS5429510A
JPS5429510A JP9534577A JP9534577A JPS5429510A JP S5429510 A JPS5429510 A JP S5429510A JP 9534577 A JP9534577 A JP 9534577A JP 9534577 A JP9534577 A JP 9534577A JP S5429510 A JPS5429510 A JP S5429510A
Authority
JP
Japan
Prior art keywords
data communication
communication system
signal
automatically
reception condition
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
JP9534577A
Other languages
Japanese (ja)
Inventor
Hideo Inoue
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 JP9534577A priority Critical patent/JPS5429510A/en
Publication of JPS5429510A publication Critical patent/JPS5429510A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1438—Negotiation of transmission parameters prior to communication
    • H04L5/1446—Negotiation of transmission parameters prior to communication of transmission speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Communication Control (AREA)

Abstract

PURPOSE:To realize the data communication system in which the data transmission speed can automatically be reset depending on the signal reception condition of the data communication, by adding the signal delivery speed information to the confirming signal.
JP9534577A 1977-08-08 1977-08-08 Data communication system Pending JPS5429510A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9534577A JPS5429510A (en) 1977-08-08 1977-08-08 Data communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9534577A JPS5429510A (en) 1977-08-08 1977-08-08 Data communication system

Publications (1)

Publication Number Publication Date
JPS5429510A true JPS5429510A (en) 1979-03-05

Family

ID=14135082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9534577A Pending JPS5429510A (en) 1977-08-08 1977-08-08 Data communication system

Country Status (1)

Country Link
JP (1) JPS5429510A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5644244A (en) * 1979-09-19 1981-04-23 Nec Corp Speed control system of data transmission device
JPS58100150A (en) * 1981-12-11 1983-06-14 Canon Inc Data communication method
JPS611130A (en) * 1984-03-08 1986-01-07 コ−デツクス・コ−ポレ−シヨン Adaptive communication rate demod
WO2006030491A1 (en) * 2004-09-14 2006-03-23 Mitsubishi Denki Kabushiki Kaisha Base station device, and signaling method and channel selecting method of communication system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5644244A (en) * 1979-09-19 1981-04-23 Nec Corp Speed control system of data transmission device
JPS58100150A (en) * 1981-12-11 1983-06-14 Canon Inc Data communication method
JPS611130A (en) * 1984-03-08 1986-01-07 コ−デツクス・コ−ポレ−シヨン Adaptive communication rate demod
WO2006030491A1 (en) * 2004-09-14 2006-03-23 Mitsubishi Denki Kabushiki Kaisha Base station device, and signaling method and channel selecting method of communication system

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