JPS53131705A - Automatic telephone exchange system - Google Patents

Automatic telephone exchange system

Info

Publication number
JPS53131705A
JPS53131705A JP4659977A JP4659977A JPS53131705A JP S53131705 A JPS53131705 A JP S53131705A JP 4659977 A JP4659977 A JP 4659977A JP 4659977 A JP4659977 A JP 4659977A JP S53131705 A JPS53131705 A JP S53131705A
Authority
JP
Japan
Prior art keywords
exchange system
telephone exchange
automatic telephone
constitution
simplified
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
JP4659977A
Other languages
Japanese (ja)
Inventor
Takeo Fukuda
Kazuhiko Hanawa
Kiyoshi Urui
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 JP4659977A priority Critical patent/JPS53131705A/en
Publication of JPS53131705A publication Critical patent/JPS53131705A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous 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)

Abstract

PURPOSE:To secure an effective signal transfer for the data terminal equipment as well as to ensure a good exchange service without giving load to the control unit, by using the telephone control line. Thus, the constitution can also be simplified.
JP4659977A 1977-04-22 1977-04-22 Automatic telephone exchange system Pending JPS53131705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4659977A JPS53131705A (en) 1977-04-22 1977-04-22 Automatic telephone exchange system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4659977A JPS53131705A (en) 1977-04-22 1977-04-22 Automatic telephone exchange system

Publications (1)

Publication Number Publication Date
JPS53131705A true JPS53131705A (en) 1978-11-16

Family

ID=12751755

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4659977A Pending JPS53131705A (en) 1977-04-22 1977-04-22 Automatic telephone exchange system

Country Status (1)

Country Link
JP (1) JPS53131705A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5746567A (en) * 1980-09-05 1982-03-17 Hitachi Ltd Multifunction telephone set
JPS61176238A (en) * 1985-01-31 1986-08-07 Canon Inc Communication equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5746567A (en) * 1980-09-05 1982-03-17 Hitachi Ltd Multifunction telephone set
JPS6216595B2 (en) * 1980-09-05 1987-04-13 Hitachi Ltd
JPS61176238A (en) * 1985-01-31 1986-08-07 Canon Inc Communication equipment

Similar Documents

Publication Publication Date Title
JPS53134304A (en) Automatic telephone exchange system
JPS5439504A (en) Information communication system
JPS51147206A (en) Data communication system employing photocoupler
JPS53131705A (en) Automatic telephone exchange system
JPS5386102A (en) Selective exchange system
JPS54812A (en) Repeating system
JPS53101206A (en) Control system for telephone exchange network
JPS5386502A (en) Control unit for telephone circuit netwoek
JPS5228810A (en) Automatic telephone exchange system
JPS5437604A (en) Multiple address system
JPS53116023A (en) Facsimile communication system for private branch
JPS5351904A (en) Subscriber circuit system both for telephone and data
JPS53131706A (en) Automatic telephone exchange system
JPS53131707A (en) Auotmatic telephone exchange system
JPS53124005A (en) Monitor system for subscriber line
JPS5324209A (en) Transmission-reception connection system for automatic exchange un it
JPS5342508A (en) Automatic test system for telephone lines
JPS5358705A (en) Switching system for transmission line
JPS53105923A (en) Automatic test system for ringer
JPS5423438A (en) Terminal connection system
JPS5396608A (en) Conversion system for transmission control procedure
JPS5397309A (en) Abbreviated dialing system
JPS53133306A (en) Automatic data transmission control system
JPS53113404A (en) Operator board connection system in automatic exchanger
JPS53108306A (en) Selayed call transfer system for automatic switchboard