JPS5775059A - Public telephone system - Google Patents

Public telephone system

Info

Publication number
JPS5775059A
JPS5775059A JP55151090A JP15109080A JPS5775059A JP S5775059 A JPS5775059 A JP S5775059A JP 55151090 A JP55151090 A JP 55151090A JP 15109080 A JP15109080 A JP 15109080A JP S5775059 A JPS5775059 A JP S5775059A
Authority
JP
Japan
Prior art keywords
charging
signal
exchange
subscribers
channel
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
JP55151090A
Other languages
English (en)
Other versions
JPS6336592B2 (ja
Inventor
Hiroshi Inaba
Akio Sasaki
Sadaatsu Okasaka
Kyuichi Kamisaka
Noriteru Shinagawa
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.)
NTT Inc
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 JP55151090A priority Critical patent/JPS5775059A/ja
Publication of JPS5775059A publication Critical patent/JPS5775059A/ja
Publication of JPS6336592B2 publication Critical patent/JPS6336592B2/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
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
JP55151090A 1980-10-28 1980-10-28 Public telephone system Granted JPS5775059A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55151090A JPS5775059A (en) 1980-10-28 1980-10-28 Public telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55151090A JPS5775059A (en) 1980-10-28 1980-10-28 Public telephone system

Publications (2)

Publication Number Publication Date
JPS5775059A true JPS5775059A (en) 1982-05-11
JPS6336592B2 JPS6336592B2 (ja) 1988-07-20

Family

ID=15511105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55151090A Granted JPS5775059A (en) 1980-10-28 1980-10-28 Public telephone system

Country Status (1)

Country Link
JP (1) JPS5775059A (ja)

Also Published As

Publication number Publication date
JPS6336592B2 (ja) 1988-07-20

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