JPS6342461B2 - - Google Patents
Info
- Publication number
- JPS6342461B2 JPS6342461B2 JP53145782A JP14578278A JPS6342461B2 JP S6342461 B2 JPS6342461 B2 JP S6342461B2 JP 53145782 A JP53145782 A JP 53145782A JP 14578278 A JP14578278 A JP 14578278A JP S6342461 B2 JPS6342461 B2 JP S6342461B2
- Authority
- JP
- Japan
- Prior art keywords
- coin
- failure
- circuit
- signal
- coins
- 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.)
- 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 |
|---|---|---|---|
| JP14578278A JPS5571348A (en) | 1978-11-25 | 1978-11-25 | Self-diagnosis system of public telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14578278A JPS5571348A (en) | 1978-11-25 | 1978-11-25 | Self-diagnosis system of public telephone set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5571348A JPS5571348A (en) | 1980-05-29 |
| JPS6342461B2 true JPS6342461B2 (forum.php) | 1988-08-23 |
Family
ID=15393030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14578278A Granted JPS5571348A (en) | 1978-11-25 | 1978-11-25 | Self-diagnosis system of public telephone set |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5571348A (forum.php) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5192106A (forum.php) * | 1975-02-12 | 1976-08-12 |
-
1978
- 1978-11-25 JP JP14578278A patent/JPS5571348A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5571348A (en) | 1980-05-29 |
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