JPS52144210A - Monitoring system by subscriber line scan - Google Patents

Monitoring system by subscriber line scan

Info

Publication number
JPS52144210A
JPS52144210A JP6063176A JP6063176A JPS52144210A JP S52144210 A JPS52144210 A JP S52144210A JP 6063176 A JP6063176 A JP 6063176A JP 6063176 A JP6063176 A JP 6063176A JP S52144210 A JPS52144210 A JP S52144210A
Authority
JP
Japan
Prior art keywords
subscriber line
monitoring system
line scan
subscriber
synchronization
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
JP6063176A
Other languages
Japanese (ja)
Inventor
Isao Fukuda
Mitsuo Kuramochi
Masahiko Suzuki
Kiyotaka Kameda
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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 Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP6063176A priority Critical patent/JPS52144210A/en
Publication of JPS52144210A publication Critical patent/JPS52144210A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)

Abstract

PURPOSE:To secure an economical monitoring and detection for the subscriber telephone state through simple control by obtaining a synchronization between the channel switch and the subscriber line scanning circuit.
JP6063176A 1976-05-27 1976-05-27 Monitoring system by subscriber line scan Pending JPS52144210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6063176A JPS52144210A (en) 1976-05-27 1976-05-27 Monitoring system by subscriber line scan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6063176A JPS52144210A (en) 1976-05-27 1976-05-27 Monitoring system by subscriber line scan

Publications (1)

Publication Number Publication Date
JPS52144210A true JPS52144210A (en) 1977-12-01

Family

ID=13147842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6063176A Pending JPS52144210A (en) 1976-05-27 1976-05-27 Monitoring system by subscriber line scan

Country Status (1)

Country Link
JP (1) JPS52144210A (en)

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