JPS55156497A - Selective signal transmission system - Google Patents

Selective signal transmission system

Info

Publication number
JPS55156497A
JPS55156497A JP6413279A JP6413279A JPS55156497A JP S55156497 A JPS55156497 A JP S55156497A JP 6413279 A JP6413279 A JP 6413279A JP 6413279 A JP6413279 A JP 6413279A JP S55156497 A JPS55156497 A JP S55156497A
Authority
JP
Japan
Prior art keywords
selective signal
circuit
control
channel
selective
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
JP6413279A
Other languages
English (en)
Other versions
JPS6147477B2 (ja
Inventor
Senzo Sakasai
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 JP6413279A priority Critical patent/JPS55156497A/ja
Publication of JPS55156497A publication Critical patent/JPS55156497A/ja
Publication of JPS6147477B2 publication Critical patent/JPS6147477B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022—Multiplex systems
    • H04M9/025—Time division multiplex systems, e.g. loop systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP6413279A 1979-05-23 1979-05-23 Selective signal transmission system Granted JPS55156497A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6413279A JPS55156497A (en) 1979-05-23 1979-05-23 Selective signal transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6413279A JPS55156497A (en) 1979-05-23 1979-05-23 Selective signal transmission system

Publications (2)

Publication Number Publication Date
JPS55156497A true JPS55156497A (en) 1980-12-05
JPS6147477B2 JPS6147477B2 (ja) 1986-10-20

Family

ID=13249236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6413279A Granted JPS55156497A (en) 1979-05-23 1979-05-23 Selective signal transmission system

Country Status (1)

Country Link
JP (1) JPS55156497A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59105798A (ja) * 1982-12-09 1984-06-19 Mitsubishi Electric Corp 交換装置
JPH0514341U (ja) * 1991-08-01 1993-02-23 株式会社間組 システム天井
FR2721781A1 (fr) * 1994-06-28 1995-12-29 Thomson Csf Procédé pour assurer la confidentialité d'une liaison phonique et réseau local de télécommunication mettant en Óoeuvre le procédé.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59105798A (ja) * 1982-12-09 1984-06-19 Mitsubishi Electric Corp 交換装置
JPH0432597B2 (ja) * 1982-12-09 1992-05-29
JPH0514341U (ja) * 1991-08-01 1993-02-23 株式会社間組 システム天井
FR2721781A1 (fr) * 1994-06-28 1995-12-29 Thomson Csf Procédé pour assurer la confidentialité d'une liaison phonique et réseau local de télécommunication mettant en Óoeuvre le procédé.
EP0690604A1 (fr) * 1994-06-28 1996-01-03 Thomson-Csf Procédé pour assurer la confidentialité d'une liaison phonique et réseau local de télécommunication mettant en oeuvre le procédé

Also Published As

Publication number Publication date
JPS6147477B2 (ja) 1986-10-20

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