JPS544007A - Identifying system of two terminals and two common subscribers - Google Patents

Identifying system of two terminals and two common subscribers

Info

Publication number
JPS544007A
JPS544007A JP6796777A JP6796777A JPS544007A JP S544007 A JPS544007 A JP S544007A JP 6796777 A JP6796777 A JP 6796777A JP 6796777 A JP6796777 A JP 6796777A JP S544007 A JPS544007 A JP S544007A
Authority
JP
Japan
Prior art keywords
terminals
identifying system
common
common subscribers
subscribers
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
JP6796777A
Other languages
Japanese (ja)
Inventor
Yoshiharu Kondo
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6796777A priority Critical patent/JPS544007A/en
Publication of JPS544007A publication Critical patent/JPS544007A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

PURPOSE:To eliminate the difficulty of line alteration and failure detection, by picking up the common identifying circuit from the common control unit and by commonly using the common identifying circuit every line.
JP6796777A 1977-06-10 1977-06-10 Identifying system of two terminals and two common subscribers Pending JPS544007A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6796777A JPS544007A (en) 1977-06-10 1977-06-10 Identifying system of two terminals and two common subscribers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6796777A JPS544007A (en) 1977-06-10 1977-06-10 Identifying system of two terminals and two common subscribers

Publications (1)

Publication Number Publication Date
JPS544007A true JPS544007A (en) 1979-01-12

Family

ID=13360243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6796777A Pending JPS544007A (en) 1977-06-10 1977-06-10 Identifying system of two terminals and two common subscribers

Country Status (1)

Country Link
JP (1) JPS544007A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62294762A (en) * 1986-06-12 1987-12-22 Mitsubishi Heavy Ind Ltd Fuel supply device of internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62294762A (en) * 1986-06-12 1987-12-22 Mitsubishi Heavy Ind Ltd Fuel supply device of internal combustion engine

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