JPS5355902A - Data transmission system - Google Patents

Data transmission system

Info

Publication number
JPS5355902A
JPS5355902A JP13110076A JP13110076A JPS5355902A JP S5355902 A JPS5355902 A JP S5355902A JP 13110076 A JP13110076 A JP 13110076A JP 13110076 A JP13110076 A JP 13110076A JP S5355902 A JPS5355902 A JP S5355902A
Authority
JP
Japan
Prior art keywords
data transmission
transmission system
modem
reception
semi
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
JP13110076A
Other languages
Japanese (ja)
Inventor
Shoichi Kurita
Yoshitaka Hiratsuka
Yasukazu Ito
Tsuneo Kinoshita
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 JP13110076A priority Critical patent/JPS5355902A/en
Publication of JPS5355902A publication Critical patent/JPS5355902A/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
    • H04L5/16—Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Bidirectional Digital Transmission (AREA)

Abstract

PURPOSE:To secure an economical constitution for the modem by using commonly the analogous part of the process contents for both transmission and reception in a semi-double transmission mode and using the common part by switching.
JP13110076A 1976-10-30 1976-10-30 Data transmission system Pending JPS5355902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13110076A JPS5355902A (en) 1976-10-30 1976-10-30 Data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13110076A JPS5355902A (en) 1976-10-30 1976-10-30 Data transmission system

Publications (1)

Publication Number Publication Date
JPS5355902A true JPS5355902A (en) 1978-05-20

Family

ID=15049968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13110076A Pending JPS5355902A (en) 1976-10-30 1976-10-30 Data transmission system

Country Status (1)

Country Link
JP (1) JPS5355902A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55150666A (en) * 1979-05-11 1980-11-22 Nec Corp Modem control system in facsimile unit
JPS57174963A (en) * 1981-04-20 1982-10-27 Toshiba Corp Modem for two-wire half duplex communication
JPH01132257A (en) * 1987-11-18 1989-05-24 Ricoh Co Ltd Voice band digital signal processor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55150666A (en) * 1979-05-11 1980-11-22 Nec Corp Modem control system in facsimile unit
JPS6230550B2 (en) * 1979-05-11 1987-07-02 Nippon Electric Co
JPS57174963A (en) * 1981-04-20 1982-10-27 Toshiba Corp Modem for two-wire half duplex communication
JPH01132257A (en) * 1987-11-18 1989-05-24 Ricoh Co Ltd Voice band digital signal processor

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