JPS57162871A - Transmission controller for urging signal of public telephone set - Google Patents
Transmission controller for urging signal of public telephone setInfo
- Publication number
- JPS57162871A JPS57162871A JP4786981A JP4786981A JPS57162871A JP S57162871 A JPS57162871 A JP S57162871A JP 4786981 A JP4786981 A JP 4786981A JP 4786981 A JP4786981 A JP 4786981A JP S57162871 A JPS57162871 A JP S57162871A
- Authority
- JP
- Japan
- Prior art keywords
- call
- signal
- limitless
- output
- short distance
- 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
Links
- 230000005540 biological transmission Effects 0.000 title abstract 2
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Prepayment Telephone Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4786981A JPS57162871A (en) | 1981-03-31 | 1981-03-31 | Transmission controller for urging signal of public telephone set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4786981A JPS57162871A (en) | 1981-03-31 | 1981-03-31 | Transmission controller for urging signal of public telephone set |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57162871A true JPS57162871A (en) | 1982-10-06 |
JPH0114743B2 JPH0114743B2 (enrdf_load_stackoverflow) | 1989-03-14 |
Family
ID=12787376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4786981A Granted JPS57162871A (en) | 1981-03-31 | 1981-03-31 | Transmission controller for urging signal of public telephone set |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57162871A (enrdf_load_stackoverflow) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5549065A (en) * | 1978-10-04 | 1980-04-08 | Hitachi Ltd | Charging pulse transmission system |
-
1981
- 1981-03-31 JP JP4786981A patent/JPS57162871A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5549065A (en) * | 1978-10-04 | 1980-04-08 | Hitachi Ltd | Charging pulse transmission system |
Also Published As
Publication number | Publication date |
---|---|
JPH0114743B2 (enrdf_load_stackoverflow) | 1989-03-14 |
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