JPS5474605A - Public telephone set - Google Patents

Public telephone set

Info

Publication number
JPS5474605A
JPS5474605A JP14238277A JP14238277A JPS5474605A JP S5474605 A JPS5474605 A JP S5474605A JP 14238277 A JP14238277 A JP 14238277A JP 14238277 A JP14238277 A JP 14238277A JP S5474605 A JPS5474605 A JP S5474605A
Authority
JP
Japan
Prior art keywords
relay
loop
telephone set
public telephone
communication loop
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
JP14238277A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6214150B2 (enrdf_load_stackoverflow
Inventor
Yoshio Fujishita
Satoshi Iizuka
Kazuo Saito
Yuichi Yamazaki
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 JP14238277A priority Critical patent/JPS5474605A/ja
Publication of JPS5474605A publication Critical patent/JPS5474605A/ja
Publication of JPS6214150B2 publication Critical patent/JPS6214150B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
JP14238277A 1977-11-28 1977-11-28 Public telephone set Granted JPS5474605A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14238277A JPS5474605A (en) 1977-11-28 1977-11-28 Public telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14238277A JPS5474605A (en) 1977-11-28 1977-11-28 Public telephone set

Publications (2)

Publication Number Publication Date
JPS5474605A true JPS5474605A (en) 1979-06-14
JPS6214150B2 JPS6214150B2 (enrdf_load_stackoverflow) 1987-03-31

Family

ID=15314056

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14238277A Granted JPS5474605A (en) 1977-11-28 1977-11-28 Public telephone set

Country Status (1)

Country Link
JP (1) JPS5474605A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49102211A (enrdf_load_stackoverflow) * 1973-01-31 1974-09-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49102211A (enrdf_load_stackoverflow) * 1973-01-31 1974-09-27

Also Published As

Publication number Publication date
JPS6214150B2 (enrdf_load_stackoverflow) 1987-03-31

Similar Documents

Publication Publication Date Title
JPS5474605A (en) Public telephone set
JPS5422704A (en) Cordless telephone system
JPS5318302A (en) Cordless telephone unit
JPS54114011A (en) Loudspeaker telephone device
JPS547803A (en) Cordless telephone set
JPS53132911A (en) Telephone set
JPS55140358A (en) Message waiting display system
JPS5781753A (en) Improved double-telephone device
JPS5429903A (en) Conference service system of key telephonen system
JPS53100702A (en) Key telephone equipment
JPS5392610A (en) Attachment connection circuit
UST963001I4 (en) Telephone handset
JPS56120250A (en) Switching system in telephone call concentrated response
JPS5329606A (en) Simple type hand-free communicating unit
JPS5313801A (en) Answering hold system in mobile communication
JPS5541017A (en) Telephone set
JPS5411605A (en) Radio communication system
JPS562755A (en) Diverse terminal equipment mounted on moving material
JPS5435604A (en) Ringing system of push-button telephone set
JPS5437402A (en) Starting system for optical communication telephone set
JPS5520069A (en) Call control device for public telephone
JPS55124388A (en) Office incoming answering system
JPS56161754A (en) Door phone call system for key telephone set
JPS5384509A (en) Telephone set interface circuit
JPS5426607A (en) Mutual connection circuit for multi-station