JPS61251266A - 公衆電話機の話中音送出回路 - Google Patents
公衆電話機の話中音送出回路Info
- Publication number
- JPS61251266A JPS61251266A JP9053185A JP9053185A JPS61251266A JP S61251266 A JPS61251266 A JP S61251266A JP 9053185 A JP9053185 A JP 9053185A JP 9053185 A JP9053185 A JP 9053185A JP S61251266 A JPS61251266 A JP S61251266A
- Authority
- JP
- Japan
- Prior art keywords
- response
- busy tone
- call
- relay
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims description 12
- 230000000737 periodic effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 101100465393 Homo sapiens PSMA1 gene Proteins 0.000 description 3
- 102100036042 Proteasome subunit alpha type-1 Human genes 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 101100328521 Schizosaccharomyces pombe (strain 972 / ATCC 24843) cnt6 gene Proteins 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Prepayment Telephone Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9053185A JPS61251266A (ja) | 1985-04-26 | 1985-04-26 | 公衆電話機の話中音送出回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9053185A JPS61251266A (ja) | 1985-04-26 | 1985-04-26 | 公衆電話機の話中音送出回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61251266A true JPS61251266A (ja) | 1986-11-08 |
| JPH0369474B2 JPH0369474B2 (enrdf_load_stackoverflow) | 1991-11-01 |
Family
ID=14000991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9053185A Granted JPS61251266A (ja) | 1985-04-26 | 1985-04-26 | 公衆電話機の話中音送出回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61251266A (enrdf_load_stackoverflow) |
-
1985
- 1985-04-26 JP JP9053185A patent/JPS61251266A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0369474B2 (enrdf_load_stackoverflow) | 1991-11-01 |
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