JPS5386502A - Control unit for telephone circuit netwoek - Google Patents

Control unit for telephone circuit netwoek

Info

Publication number
JPS5386502A
JPS5386502A JP134877A JP134877A JPS5386502A JP S5386502 A JPS5386502 A JP S5386502A JP 134877 A JP134877 A JP 134877A JP 134877 A JP134877 A JP 134877A JP S5386502 A JPS5386502 A JP S5386502A
Authority
JP
Japan
Prior art keywords
netwoek
control unit
telephone circuit
relay
transmitting
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
JP134877A
Other languages
Japanese (ja)
Inventor
Yasuhiro Oota
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP134877A priority Critical patent/JPS5386502A/en
Publication of JPS5386502A publication Critical patent/JPS5386502A/en
Pending 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
    • H04M11/066—Telephone sets adapted for data transmision

Abstract

PURPOSE:To reduce the number of the relay and thus to realize simplification of the structure as well as the cost reduction, by connection selectively both the transmitting and receiving circuits to the office line via the relay contact and also connecting the modem via the transmitting circuit.
JP134877A 1977-01-10 1977-01-10 Control unit for telephone circuit netwoek Pending JPS5386502A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP134877A JPS5386502A (en) 1977-01-10 1977-01-10 Control unit for telephone circuit netwoek

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP134877A JPS5386502A (en) 1977-01-10 1977-01-10 Control unit for telephone circuit netwoek

Publications (1)

Publication Number Publication Date
JPS5386502A true JPS5386502A (en) 1978-07-31

Family

ID=11498975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP134877A Pending JPS5386502A (en) 1977-01-10 1977-01-10 Control unit for telephone circuit netwoek

Country Status (1)

Country Link
JP (1) JPS5386502A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5665563A (en) * 1979-11-02 1981-06-03 Canon Inc Display device for state of telephone line
JPS58147269A (en) * 1982-02-26 1983-09-02 Nec Corp Automatic bothway type network controller
JPS5945751A (en) * 1982-09-08 1984-03-14 Nec Corp Network controller
JPS5985173A (en) * 1982-11-05 1984-05-17 Nec Corp Automatic-automatic network controller
JPS59160365A (en) * 1983-03-03 1984-09-11 Nec Corp Automatic answer detector

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5665563A (en) * 1979-11-02 1981-06-03 Canon Inc Display device for state of telephone line
JPS58147269A (en) * 1982-02-26 1983-09-02 Nec Corp Automatic bothway type network controller
JPS5945751A (en) * 1982-09-08 1984-03-14 Nec Corp Network controller
JPS5985173A (en) * 1982-11-05 1984-05-17 Nec Corp Automatic-automatic network controller
JPS59160365A (en) * 1983-03-03 1984-09-11 Nec Corp Automatic answer detector

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