JPS57188172A - Urging signal transmission controller for public telephone set - Google Patents
Urging signal transmission controller for public telephone setInfo
- Publication number
- JPS57188172A JPS57188172A JP7391081A JP7391081A JPS57188172A JP S57188172 A JPS57188172 A JP S57188172A JP 7391081 A JP7391081 A JP 7391081A JP 7391081 A JP7391081 A JP 7391081A JP S57188172 A JPS57188172 A JP S57188172A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- urging
- telephone set
- output
- 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
- 230000008054 signal transmission Effects 0.000 title 1
- 238000001514 detection method Methods 0.000 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 |
|---|---|---|---|
| JP7391081A JPS57188172A (en) | 1981-05-15 | 1981-05-15 | Urging signal transmission controller for public telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7391081A JPS57188172A (en) | 1981-05-15 | 1981-05-15 | Urging signal transmission controller for public telephone set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57188172A true JPS57188172A (en) | 1982-11-19 |
| JPS6411190B2 JPS6411190B2 (enrdf_load_stackoverflow) | 1989-02-23 |
Family
ID=13531799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7391081A Granted JPS57188172A (en) | 1981-05-15 | 1981-05-15 | Urging signal transmission controller for public telephone set |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57188172A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08276093A (ja) * | 1995-04-05 | 1996-10-22 | Obane Hikaku Kk | 洗濯治具 |
-
1981
- 1981-05-15 JP JP7391081A patent/JPS57188172A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6411190B2 (enrdf_load_stackoverflow) | 1989-02-23 |
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