JPS62295555A - 公衆電話機 - Google Patents
公衆電話機Info
- Publication number
- JPS62295555A JPS62295555A JP61138240A JP13824086A JPS62295555A JP S62295555 A JPS62295555 A JP S62295555A JP 61138240 A JP61138240 A JP 61138240A JP 13824086 A JP13824086 A JP 13824086A JP S62295555 A JPS62295555 A JP S62295555A
- Authority
- JP
- Japan
- Prior art keywords
- handset
- circuit
- power supply
- transmitter
- resistor
- 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
- 238000012544 monitoring process Methods 0.000 claims description 25
- 239000004020 conductor Substances 0.000 claims description 7
- 238000004092 self-diagnosis Methods 0.000 abstract description 8
- 230000004044 response Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
- H04M3/248—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for metering arrangements or prepayment telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Prepayment Telephone Systems (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61138240A JPS62295555A (ja) | 1986-06-16 | 1986-06-16 | 公衆電話機 |
| US07/058,345 US4768217A (en) | 1986-06-16 | 1987-06-05 | Public telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61138240A JPS62295555A (ja) | 1986-06-16 | 1986-06-16 | 公衆電話機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62295555A true JPS62295555A (ja) | 1987-12-22 |
| JPH0330347B2 JPH0330347B2 (enExample) | 1991-04-30 |
Family
ID=15217348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61138240A Granted JPS62295555A (ja) | 1986-06-16 | 1986-06-16 | 公衆電話機 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4768217A (enExample) |
| JP (1) | JPS62295555A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4926458A (en) * | 1988-05-26 | 1990-05-15 | Mars Incorporated | Low power control apparatus for a coin operated telephone |
| US4979208A (en) * | 1988-06-29 | 1990-12-18 | Mars Incorporated | Method and apparatus for electronic payphone open switch interval management |
| FR2646743B1 (fr) * | 1989-05-03 | 1995-04-14 | Crouzet Sa | Procede de test de fonctionnalite de combine telephonique |
| JP2701591B2 (ja) * | 1991-05-31 | 1998-01-21 | 日本電気株式会社 | 自動車電話装置の自己診断方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4039768A (en) * | 1976-05-26 | 1977-08-02 | Maley James B O | Pay telephone station monitor system |
| JPS6192069A (ja) * | 1984-10-12 | 1986-05-10 | Tamura Electric Works Ltd | 公衆電話機 |
-
1986
- 1986-06-16 JP JP61138240A patent/JPS62295555A/ja active Granted
-
1987
- 1987-06-05 US US07/058,345 patent/US4768217A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0330347B2 (enExample) | 1991-04-30 |
| US4768217A (en) | 1988-08-30 |
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