JPS5399803A - Separating signal system for subscriber's line - Google Patents

Separating signal system for subscriber's line

Info

Publication number
JPS5399803A
JPS5399803A JP1481677A JP1481677A JPS5399803A JP S5399803 A JPS5399803 A JP S5399803A JP 1481677 A JP1481677 A JP 1481677A JP 1481677 A JP1481677 A JP 1481677A JP S5399803 A JPS5399803 A JP S5399803A
Authority
JP
Japan
Prior art keywords
subscriber
line
signal system
separating signal
separating
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
JP1481677A
Other languages
Japanese (ja)
Other versions
JPS5632828B2 (en
Inventor
Kunio Watanabe
Yoshio Nomura
Tadayoshi Komachiya
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1481677A priority Critical patent/JPS5399803A/en
Publication of JPS5399803A publication Critical patent/JPS5399803A/en
Publication of JPS5632828B2 publication Critical patent/JPS5632828B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

PURPOSE:To realize a new service even during a talking time easily by separating the transmissions for various signals and for sound signals between an exchange and telephone sets.
JP1481677A 1977-02-12 1977-02-12 Separating signal system for subscriber's line Granted JPS5399803A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1481677A JPS5399803A (en) 1977-02-12 1977-02-12 Separating signal system for subscriber's line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1481677A JPS5399803A (en) 1977-02-12 1977-02-12 Separating signal system for subscriber's line

Publications (2)

Publication Number Publication Date
JPS5399803A true JPS5399803A (en) 1978-08-31
JPS5632828B2 JPS5632828B2 (en) 1981-07-30

Family

ID=11871555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1481677A Granted JPS5399803A (en) 1977-02-12 1977-02-12 Separating signal system for subscriber's line

Country Status (1)

Country Link
JP (1) JPS5399803A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132858A (en) * 1980-03-24 1981-10-17 Fujitsu Ltd Subscriber's line signal system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843845A (en) * 1972-09-11 1974-10-22 Northern Electric Co Electronic key telephone system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3843845A (en) * 1972-09-11 1974-10-22 Northern Electric Co Electronic key telephone system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56132858A (en) * 1980-03-24 1981-10-17 Fujitsu Ltd Subscriber's line signal system

Also Published As

Publication number Publication date
JPS5632828B2 (en) 1981-07-30

Similar Documents

Publication Publication Date Title
JPS5412506A (en) Time-division exchange conference system
JPS5421107A (en) Automatic response unit for telephone line
AU543339B2 (en) Electronic tone ringer, for telephone subset
JPS52139302A (en) Automatic circuit switching unit
JPS5399803A (en) Separating signal system for subscriber's line
JPS5361903A (en) Unnecessary signal sound suppressor for telephone set
ES453913A1 (en) Transceivers for single channel carrier telephone systems
JPS53123605A (en) Conference service system
JPS57103467A (en) Public terminal communication system
JPS52125213A (en) Absence transfer system
JPS52155905A (en) Audio sound synchronism charging system
JPS53141506A (en) Automatic answering telephone set
JPS53119606A (en) Double concentrating transmission system of tree-pair line
JPS5370701A (en) Individual selection call receiver
JPS534406A (en) Incoming signal display system during busy call
JPS5355905A (en) Automatic dialing system
JPS5397708A (en) Caller's number discrimination system
JPS522304A (en) Data transmitting system
JPS52105708A (en) Talkie equipment using polyphase sound generator
JPS5394805A (en) Communication terminal equipment
JPS5440506A (en) First ringing control system for time-division exchange
JPS53108212A (en) Howler sound trasmission system
JPS53132922A (en) Originating system for multi-frequency signal
JPS55143479A (en) Automatic calling/answering unit for rainfall alarm
JPS534405A (en) Ringing counter for automatic answering telephone system