JPS63175566A - 公衆電話機 - Google Patents
公衆電話機Info
- Publication number
- JPS63175566A JPS63175566A JP604687A JP604687A JPS63175566A JP S63175566 A JPS63175566 A JP S63175566A JP 604687 A JP604687 A JP 604687A JP 604687 A JP604687 A JP 604687A JP S63175566 A JPS63175566 A JP S63175566A
- Authority
- JP
- Japan
- Prior art keywords
- talking
- loop
- call
- circuit
- closed
- 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 abstract description 21
- 238000004092 self-diagnosis Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract 2
- 230000002401 inhibitory effect Effects 0.000 abstract 2
- 230000004044 response Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction 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 |
|---|---|---|---|
| JP604687A JPS63175566A (ja) | 1987-01-16 | 1987-01-16 | 公衆電話機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP604687A JPS63175566A (ja) | 1987-01-16 | 1987-01-16 | 公衆電話機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63175566A true JPS63175566A (ja) | 1988-07-19 |
| JPH0431616B2 JPH0431616B2 (enrdf_load_stackoverflow) | 1992-05-27 |
Family
ID=11627682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP604687A Granted JPS63175566A (ja) | 1987-01-16 | 1987-01-16 | 公衆電話機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63175566A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH088613B2 (ja) * | 1989-09-15 | 1996-01-29 | マース,インコーポレィテッド | 有料電話詐欺を防止しハンドセット破壊を減少させる方法および装置 |
| KR20020032900A (ko) * | 2000-10-27 | 2002-05-04 | 허정회 | 음성데이타 다중화장치를 내장한 공중전화기 |
-
1987
- 1987-01-16 JP JP604687A patent/JPS63175566A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH088613B2 (ja) * | 1989-09-15 | 1996-01-29 | マース,インコーポレィテッド | 有料電話詐欺を防止しハンドセット破壊を減少させる方法および装置 |
| KR20020032900A (ko) * | 2000-10-27 | 2002-05-04 | 허정회 | 음성데이타 다중화장치를 내장한 공중전화기 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0431616B2 (enrdf_load_stackoverflow) | 1992-05-27 |
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