JPS5483306A - Exchange connection system - Google Patents

Exchange connection system

Info

Publication number
JPS5483306A
JPS5483306A JP15130177A JP15130177A JPS5483306A JP S5483306 A JPS5483306 A JP S5483306A JP 15130177 A JP15130177 A JP 15130177A JP 15130177 A JP15130177 A JP 15130177A JP S5483306 A JPS5483306 A JP S5483306A
Authority
JP
Japan
Prior art keywords
equipments
driving
circuits
input terminal
signal
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
JP15130177A
Other languages
Japanese (ja)
Inventor
Yoshitaka Osakabe
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 JP15130177A priority Critical patent/JPS5483306A/en
Publication of JPS5483306A publication Critical patent/JPS5483306A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Facsimiles In General (AREA)

Abstract

PURPOSE:To enable to connect corresponding circuits and decrease the kinds of equipments and the number of processes for manufacture by storing plural signal circuits from television telephone terminals in an optional input terminal and controlling the driving of channels by plural times. CONSTITUTION:Signal circuts from TV telephone terminal equipments SUBA and SUBB store picture signal circuits L1 and L2 and voice signal circuit L3 in 2 lines system networks NW1 and NW2 respectively and select independent channel pass P in every input terminal; then, 2 lines system channel driving equipments SC1 and SC2 corresponding to respective networks control their driving, so that exchange connection of TV telephones can be performed.
JP15130177A 1977-12-15 1977-12-15 Exchange connection system Pending JPS5483306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15130177A JPS5483306A (en) 1977-12-15 1977-12-15 Exchange connection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15130177A JPS5483306A (en) 1977-12-15 1977-12-15 Exchange connection system

Publications (1)

Publication Number Publication Date
JPS5483306A true JPS5483306A (en) 1979-07-03

Family

ID=15515681

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15130177A Pending JPS5483306A (en) 1977-12-15 1977-12-15 Exchange connection system

Country Status (1)

Country Link
JP (1) JPS5483306A (en)

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