JPS5489509A - Public telephone system - Google Patents

Public telephone system

Info

Publication number
JPS5489509A
JPS5489509A JP15939777A JP15939777A JPS5489509A JP S5489509 A JPS5489509 A JP S5489509A JP 15939777 A JP15939777 A JP 15939777A JP 15939777 A JP15939777 A JP 15939777A JP S5489509 A JPS5489509 A JP S5489509A
Authority
JP
Japan
Prior art keywords
card
recitation
telephone system
public telephone
dial
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
JP15939777A
Other languages
Japanese (ja)
Other versions
JPS5628070B2 (en
Inventor
Chuta Aikawa
Toshimichi Kubota
Yoshio Fujishita
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
Tamura Electric Works Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Tamura Electric Works 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 Nippon Telegraph and Telephone Corp, Tamura Electric Works Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP15939777A priority Critical patent/JPS5489509A/en
Publication of JPS5489509A publication Critical patent/JPS5489509A/en
Publication of JPS5628070B2 publication Critical patent/JPS5628070B2/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

Abstract

PURPOSE:To prevent illegal use such as imitation by a 3rd party through dial checking with a recitation number given to a magnetic card consumer. CONSTITUTION:Identification number A of a registered user is recorded on card 1, and dialing the recitation number given to the user after the insertion of card 1 starts arithmetic process 11 by the recitation number and idenfification number A, so that only when its arithmetic result is good enough, dial originating will be ready. In addition, card 1 is stored with usable rates at part C.
JP15939777A 1977-12-27 1977-12-27 Public telephone system Granted JPS5489509A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15939777A JPS5489509A (en) 1977-12-27 1977-12-27 Public telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15939777A JPS5489509A (en) 1977-12-27 1977-12-27 Public telephone system

Publications (2)

Publication Number Publication Date
JPS5489509A true JPS5489509A (en) 1979-07-16
JPS5628070B2 JPS5628070B2 (en) 1981-06-29

Family

ID=15692878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15939777A Granted JPS5489509A (en) 1977-12-27 1977-12-27 Public telephone system

Country Status (1)

Country Link
JP (1) JPS5489509A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57157675A (en) * 1981-03-25 1982-09-29 Tamura Electric Works Ltd Magnetic card type public telephone set with fixed information recording function
JPS61193554A (en) * 1985-02-21 1986-08-28 Sony Corp Telephone set

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57157675A (en) * 1981-03-25 1982-09-29 Tamura Electric Works Ltd Magnetic card type public telephone set with fixed information recording function
JPH0113672B2 (en) * 1981-03-25 1989-03-07 Tamura Denki Seisakusho Kk
JPS61193554A (en) * 1985-02-21 1986-08-28 Sony Corp Telephone set

Also Published As

Publication number Publication date
JPS5628070B2 (en) 1981-06-29

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Legal Events

Date Code Title Description
A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20060516

A313 Final decision of rejection without a dissenting response from the applicant

Effective date: 20061002

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A02 Decision of refusal

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Effective date: 20061107