JPS5738051A - Public telephone system - Google Patents

Public telephone system

Info

Publication number
JPS5738051A
JPS5738051A JP11298680A JP11298680A JPS5738051A JP S5738051 A JPS5738051 A JP S5738051A JP 11298680 A JP11298680 A JP 11298680A JP 11298680 A JP11298680 A JP 11298680A JP S5738051 A JPS5738051 A JP S5738051A
Authority
JP
Japan
Prior art keywords
information
section
telephone set
public telephone
time interval
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
JP11298680A
Other languages
Japanese (ja)
Other versions
JPS6341461B2 (en
Inventor
Toshiyasu Muta
Isao Yamagami
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 JP11298680A priority Critical patent/JPS5738051A/en
Publication of JPS5738051A publication Critical patent/JPS5738051A/en
Publication of JPS6341461B2 publication Critical patent/JPS6341461B2/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

Abstract

PURPOSE:To enable to change a unit charge or charging time interval, without changing the function of a public telephone set etc., by preparing information on the unit charge and the charging time interval in an intra-office device and transmitting this information to a public telephone set. CONSTITUTION:Coins deposited to a public telephone set 1 are discriminated at a detection discrimination section 4 and stored in a storage section 5. On the other hand, a dial signal is transmitted to a dial signal discrimination section 7 in an intra-office device 2 with dialing of a user. This discrimination information is stored in a dial signal storage section 8 and an information on the required unit charge and the charging time interval is formed at a unit charge/charging time interval information forming section 9. This iformation is transmitted to a charging information reception section 11 of a public telephone set 1 with a charging information transmission section 10, and a telephone set control section 12 judges if the connection is possible. If connectable, the information is transmitted to an exchange connection section 13 and the telephone set 1 is connected to the called party.
JP11298680A 1980-08-19 1980-08-19 Public telephone system Granted JPS5738051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11298680A JPS5738051A (en) 1980-08-19 1980-08-19 Public telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11298680A JPS5738051A (en) 1980-08-19 1980-08-19 Public telephone system

Publications (2)

Publication Number Publication Date
JPS5738051A true JPS5738051A (en) 1982-03-02
JPS6341461B2 JPS6341461B2 (en) 1988-08-17

Family

ID=14600544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11298680A Granted JPS5738051A (en) 1980-08-19 1980-08-19 Public telephone system

Country Status (1)

Country Link
JP (1) JPS5738051A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141843A (en) * 1985-12-17 1987-06-25 Tamura Electric Works Ltd Telephone set with charging function

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040009A (en) * 1973-08-14 1975-04-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5040009A (en) * 1973-08-14 1975-04-12

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62141843A (en) * 1985-12-17 1987-06-25 Tamura Electric Works Ltd Telephone set with charging function
JPH0436620B2 (en) * 1985-12-17 1992-06-16 Tamura Electric Works Ltd

Also Published As

Publication number Publication date
JPS6341461B2 (en) 1988-08-17

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