JPS53123603A - Public telephone set - Google Patents

Public telephone set

Info

Publication number
JPS53123603A
JPS53123603A JP3838377A JP3838377A JPS53123603A JP S53123603 A JPS53123603 A JP S53123603A JP 3838377 A JP3838377 A JP 3838377A JP 3838377 A JP3838377 A JP 3838377A JP S53123603 A JPS53123603 A JP S53123603A
Authority
JP
Japan
Prior art keywords
telephone set
public telephone
capacitor
installing
charging
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.)
Pending
Application number
JP3838377A
Other languages
Japanese (ja)
Inventor
Shunichiro Miura
Takumi Kawashima
Akira Iwai
Isao Nishikido
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 JP3838377A priority Critical patent/JPS53123603A/en
Publication of JPS53123603A publication Critical patent/JPS53123603A/en
Pending legal-status Critical Current

Links

Landscapes

  • Prepayment Telephone Systems (AREA)

Abstract

PURPOSE: To make it possible to obtain a stable and sure operation without installing the separate power source by charging and discharging the capacitor which is inserted in parallel in the DC loop of a telephone set circuit.
COPYRIGHT: (C)1978,JPO&Japio
JP3838377A 1977-04-04 1977-04-04 Public telephone set Pending JPS53123603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3838377A JPS53123603A (en) 1977-04-04 1977-04-04 Public telephone set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3838377A JPS53123603A (en) 1977-04-04 1977-04-04 Public telephone set

Publications (1)

Publication Number Publication Date
JPS53123603A true JPS53123603A (en) 1978-10-28

Family

ID=12523743

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3838377A Pending JPS53123603A (en) 1977-04-04 1977-04-04 Public telephone set

Country Status (1)

Country Link
JP (1) JPS53123603A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5143005A (en) * 1974-10-09 1976-04-13 Tamura Electric Works Ltd KOKAZAISHITSUSENBETSUKAIROKUDOYONO DENGENSOCHI

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5143005A (en) * 1974-10-09 1976-04-13 Tamura Electric Works Ltd KOKAZAISHITSUSENBETSUKAIROKUDOYONO DENGENSOCHI

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