JPS5735458A - Communication line common use system - Google Patents

Communication line common use system

Info

Publication number
JPS5735458A
JPS5735458A JP10931780A JP10931780A JPS5735458A JP S5735458 A JPS5735458 A JP S5735458A JP 10931780 A JP10931780 A JP 10931780A JP 10931780 A JP10931780 A JP 10931780A JP S5735458 A JPS5735458 A JP S5735458A
Authority
JP
Japan
Prior art keywords
telephone
data
exchanger
communication
station
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
JP10931780A
Other languages
Japanese (ja)
Other versions
JPS6355265B2 (en
Inventor
Koichiro Yamaguchi
Hiroshi Yamagishi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10931780A priority Critical patent/JPS5735458A/en
Publication of JPS5735458A publication Critical patent/JPS5735458A/en
Publication of JPS6355265B2 publication Critical patent/JPS6355265B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Facsimiles In General (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

PURPOSE:To make common use of the lines, by giving up the data communication on its way for telephone communication and displaying the abondonment of halfway to a data terminal when a request of telephone call takes place during the data communication from a station commonly providing a telephone exchanger and a data exchanger to a telephone exchanging station. CONSTITUTION:A station A for common provision of telephone and data exchangers and a telephone exchanging station B are connected with a communication line 8. When selector switches 4A, 4B are switched to the data communication side, the data from a facsimile terminal 2A to 2B is stored in a storage device 7, a packet exchanger 6 detects it, and it transfers via a MODEM 5A, switch 4A, line 8, switch 4B, and MODEM 5B, if a telephone set 1A makes off-hook and dialing of a telephone set 1B is made, a telephone exchanger 3A indentifies it and delivers it to an exchanger 6. Thus, the exchanger 6 switches the switches 4A, 4B to the telephone communication side at the section of data, the telephone sets 1A, 1B are connected for call, a half-way abondonment display 10 is made to the terminal 2B and retransmission of data is made after the end of call.
JP10931780A 1980-08-11 1980-08-11 Communication line common use system Granted JPS5735458A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10931780A JPS5735458A (en) 1980-08-11 1980-08-11 Communication line common use system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10931780A JPS5735458A (en) 1980-08-11 1980-08-11 Communication line common use system

Publications (2)

Publication Number Publication Date
JPS5735458A true JPS5735458A (en) 1982-02-26
JPS6355265B2 JPS6355265B2 (en) 1988-11-01

Family

ID=14507145

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10931780A Granted JPS5735458A (en) 1980-08-11 1980-08-11 Communication line common use system

Country Status (1)

Country Link
JP (1) JPS5735458A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61200790A (en) * 1985-03-01 1986-09-05 Sharp Corp Image information transmission system
JPH0575735A (en) * 1990-03-20 1993-03-26 Nishitomo:Kk Telephone system with call and communication switching function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61200790A (en) * 1985-03-01 1986-09-05 Sharp Corp Image information transmission system
JPH0575735A (en) * 1990-03-20 1993-03-26 Nishitomo:Kk Telephone system with call and communication switching function

Also Published As

Publication number Publication date
JPS6355265B2 (en) 1988-11-01

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