JPS533110A - Subscriber line scanning system - Google Patents

Subscriber line scanning system

Info

Publication number
JPS533110A
JPS533110A JP7719976A JP7719976A JPS533110A JP S533110 A JPS533110 A JP S533110A JP 7719976 A JP7719976 A JP 7719976A JP 7719976 A JP7719976 A JP 7719976A JP S533110 A JPS533110 A JP S533110A
Authority
JP
Japan
Prior art keywords
subscriber line
scanning system
line scanning
detection
circuit
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
JP7719976A
Other languages
Japanese (ja)
Inventor
Haruaki Hasegawa
Noboru Ito
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 JP7719976A priority Critical patent/JPS533110A/en
Publication of JPS533110A publication Critical patent/JPS533110A/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)
  • Interface Circuits In Exchanges (AREA)

Abstract

PURPOSE:To increase the identification margin at the time of the subscriber state detection by providing an electronic circuit, and to secure a high-speed detection of many subscribers with one unit of detection circuit.
JP7719976A 1976-06-30 1976-06-30 Subscriber line scanning system Pending JPS533110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7719976A JPS533110A (en) 1976-06-30 1976-06-30 Subscriber line scanning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7719976A JPS533110A (en) 1976-06-30 1976-06-30 Subscriber line scanning system

Publications (1)

Publication Number Publication Date
JPS533110A true JPS533110A (en) 1978-01-12

Family

ID=13627142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7719976A Pending JPS533110A (en) 1976-06-30 1976-06-30 Subscriber line scanning system

Country Status (1)

Country Link
JP (1) JPS533110A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5289004A (en) * 1976-01-20 1977-07-26 Hitachi Ltd Detecting process for concentrated call

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5289004A (en) * 1976-01-20 1977-07-26 Hitachi Ltd Detecting process for concentrated call

Similar Documents

Publication Publication Date Title
JPS533110A (en) Subscriber line scanning system
JPS53132917A (en) Absence transfer registration system
JPS5423434A (en) Pattern identifying device
JPS53148246A (en) Remote-processing input-output system
JPS53117922A (en) Absence reception voice answer skip system
JPS5347722A (en) Key input circuit
JPS51143848A (en) Communication system on power line transmission
JPS5439535A (en) Average value operation circuit
JPS537161A (en) High-pressure-resisting integrated circuit
JPS5379404A (en) Transmission device of individual selective calling signal
JPS5313853A (en) Terminal system of ligic circuit
JPS52149905A (en) Subscriber scanning
JPS533109A (en) Subscriber line scanning system
JPS51131256A (en) Diode matrix circuit
JPS529312A (en) Facsimile control method
JPS53122305A (en) Key telephone set
JPS5350601A (en) Starting system for central control circuit
JPS544007A (en) Identifying system of two terminals and two common subscribers
JPS52112234A (en) Character normalization device
JPS5368003A (en) Control system for secretary telephone device
JPS5323508A (en) Clamping circuit
JPS52119056A (en) Level fixed circuit for ecl system theoretical element
JPS5274201A (en) Display control circuit for key telephone system
JPS5368111A (en) Signal control system
JPS5353908A (en) Dial signal selection circuit