JPS5217703A - Public telephone - Google Patents

Public telephone

Info

Publication number
JPS5217703A
JPS5217703A JP7792975A JP7792975A JPS5217703A JP S5217703 A JPS5217703 A JP S5217703A JP 7792975 A JP7792975 A JP 7792975A JP 7792975 A JP7792975 A JP 7792975A JP S5217703 A JPS5217703 A JP S5217703A
Authority
JP
Japan
Prior art keywords
public telephone
telephone
utilization
detect
control device
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
JP7792975A
Other languages
Japanese (ja)
Other versions
JPS5438005B2 (en
Inventor
Chuta Aikawa
Noriyoshi Sanada
Shunichiro Miura
Akira Iwai
Hiroyasu Sasaki
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 JP7792975A priority Critical patent/JPS5217703A/en
Publication of JPS5217703A publication Critical patent/JPS5217703A/en
Publication of JPS5438005B2 publication Critical patent/JPS5438005B2/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)

Abstract

PURPOSE:A public telephone installed with Control Device to detect the charge signal, and making possible the utilization of Frequency Card in telephone calling.
JP7792975A 1975-06-24 1975-06-24 Public telephone Granted JPS5217703A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7792975A JPS5217703A (en) 1975-06-24 1975-06-24 Public telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7792975A JPS5217703A (en) 1975-06-24 1975-06-24 Public telephone

Publications (2)

Publication Number Publication Date
JPS5217703A true JPS5217703A (en) 1977-02-09
JPS5438005B2 JPS5438005B2 (en) 1979-11-19

Family

ID=13647765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7792975A Granted JPS5217703A (en) 1975-06-24 1975-06-24 Public telephone

Country Status (1)

Country Link
JP (1) JPS5217703A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5875951A (en) * 1981-10-31 1983-05-07 Anritsu Corp Hologram card public telephone set

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189810U (en) * 1975-01-13 1976-07-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5189810U (en) * 1975-01-13 1976-07-19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5875951A (en) * 1981-10-31 1983-05-07 Anritsu Corp Hologram card public telephone set
JPH0133072B2 (en) * 1981-10-31 1989-07-11 Anritsu Corp

Also Published As

Publication number Publication date
JPS5438005B2 (en) 1979-11-19

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