JPS53123009A - Party line telephone set - Google Patents

Party line telephone set

Info

Publication number
JPS53123009A
JPS53123009A JP3773077A JP3773077A JPS53123009A JP S53123009 A JPS53123009 A JP S53123009A JP 3773077 A JP3773077 A JP 3773077A JP 3773077 A JP3773077 A JP 3773077A JP S53123009 A JPS53123009 A JP S53123009A
Authority
JP
Japan
Prior art keywords
telephone set
line telephone
party line
party
apartments
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
JP3773077A
Other languages
Japanese (ja)
Inventor
Chikao Okishima
Toru Tamada
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 JP3773077A priority Critical patent/JPS53123009A/en
Publication of JPS53123009A publication Critical patent/JPS53123009A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/36—Charging, billing or metering arrangements for party-lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)

Abstract

PURPOSE:To make an outgoing and incoming efficiently by providing control circuits between a main equipment and each slave telephone set in apartments.
JP3773077A 1977-04-01 1977-04-01 Party line telephone set Pending JPS53123009A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3773077A JPS53123009A (en) 1977-04-01 1977-04-01 Party line telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3773077A JPS53123009A (en) 1977-04-01 1977-04-01 Party line telephone set

Publications (1)

Publication Number Publication Date
JPS53123009A true JPS53123009A (en) 1978-10-27

Family

ID=12505599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3773077A Pending JPS53123009A (en) 1977-04-01 1977-04-01 Party line telephone set

Country Status (1)

Country Link
JP (1) JPS53123009A (en)

Similar Documents

Publication Publication Date Title
ES474718A1 (en) Communication system conferencing arrangement
JPS53123009A (en) Party line telephone set
ATA336476A (en) CIRCUIT ARRANGEMENTS FOR SUBSCRIBER CIRCUITS WITH BUTTON-CONTROLLED DIALING DEVICES IN REMOTE COMMUNICATION, IN PARTICULAR TELEPHONE SYSTEMS
AU4082978A (en) Telephone party line control circuit
JPS5313806A (en) Telephone extension system
JPS5213706A (en) Key telephone system
JPS5399706A (en) Remote conference system
JPS5537025A (en) Main device of push button telephone
JPS53119606A (en) Double concentrating transmission system of tree-pair line
JPS5739664A (en) Conference telephone communication system
JPS5373901A (en) Voice trasmission system for date exchange
JPS51132911A (en) Transfer method of an electronic switchboard
JPS5279707A (en) Key telephone main unit
JPS523311A (en) Connecting means in mutual communication line equipment
JPS5650693A (en) System indirect connection system for key telephone device
JPS5287304A (en) Extension line calling circuit in push-phone
JPS5258303A (en) Communication network constituting system
JPS54134907A (en) Connectin control system for echo suppressor
JPS5394805A (en) Communication terminal equipment
YU34349B (en) Circuit arrangement for telecommunication installations, especially for telephone exchanges with crossed-fieldwise built control device
JPS53137611A (en) Response monitor circuit in telephone exchanging unit
JPS51144504A (en) Telephone set
JPS53105104A (en) Key telephone set
JPS53108209A (en) Interphone equipment
JPS5413297A (en) Fire alarm unit