JPS53123603A - Public telephone set - Google Patents
Public telephone setInfo
- 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
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
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5143005A (en) * | 1974-10-09 | 1976-04-13 | Tamura Electric Works Ltd | KOKAZAISHITSUSENBETSUKAIROKUDOYONO DENGENSOCHI |
-
1977
- 1977-04-04 JP JP3838377A patent/JPS53123603A/en active Pending
Patent Citations (1)
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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