JPS5517545B2 - - Google Patents
Info
- Publication number
- JPS5517545B2 JPS5517545B2 JP15437975A JP15437975A JPS5517545B2 JP S5517545 B2 JPS5517545 B2 JP S5517545B2 JP 15437975 A JP15437975 A JP 15437975A JP 15437975 A JP15437975 A JP 15437975A JP S5517545 B2 JPS5517545 B2 JP S5517545B2
- Authority
- JP
- Japan
- 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.)
- Expired
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15437975A JPS5277608A (en) | 1975-12-24 | 1975-12-24 | Requesting tone control unit in public telephon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15437975A JPS5277608A (en) | 1975-12-24 | 1975-12-24 | Requesting tone control unit in public telephon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5277608A JPS5277608A (en) | 1977-06-30 |
| JPS5517545B2 true JPS5517545B2 (xx) | 1980-05-12 |
Family
ID=15582851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15437975A Granted JPS5277608A (en) | 1975-12-24 | 1975-12-24 | Requesting tone control unit in public telephon |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5277608A (xx) |
-
1975
- 1975-12-24 JP JP15437975A patent/JPS5277608A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5277608A (en) | 1977-06-30 |