JPS545320A - Control circuit for communication path - Google Patents

Control circuit for communication path

Info

Publication number
JPS545320A
JPS545320A JP7067077A JP7067077A JPS545320A JP S545320 A JPS545320 A JP S545320A JP 7067077 A JP7067077 A JP 7067077A JP 7067077 A JP7067077 A JP 7067077A JP S545320 A JPS545320 A JP S545320A
Authority
JP
Japan
Prior art keywords
control circuit
communication path
circuit
turned
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
JP7067077A
Other languages
English (en)
Inventor
Yutaka Okumura
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 JP7067077A priority Critical patent/JPS545320A/ja
Publication of JPS545320A publication Critical patent/JPS545320A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP7067077A 1977-06-14 1977-06-14 Control circuit for communication path Pending JPS545320A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7067077A JPS545320A (en) 1977-06-14 1977-06-14 Control circuit for communication path

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7067077A JPS545320A (en) 1977-06-14 1977-06-14 Control circuit for communication path

Publications (1)

Publication Number Publication Date
JPS545320A true JPS545320A (en) 1979-01-16

Family

ID=13438321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7067077A Pending JPS545320A (en) 1977-06-14 1977-06-14 Control circuit for communication path

Country Status (1)

Country Link
JP (1) JPS545320A (ja)

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