JPH0310277B2 - - Google Patents
Info
- Publication number
- JPH0310277B2 JPH0310277B2 JP27195084A JP27195084A JPH0310277B2 JP H0310277 B2 JPH0310277 B2 JP H0310277B2 JP 27195084 A JP27195084 A JP 27195084A JP 27195084 A JP27195084 A JP 27195084A JP H0310277 B2 JPH0310277 B2 JP H0310277B2
- Authority
- JP
- Japan
- Prior art keywords
- loop
- telephone
- outside line
- time
- hooking
- 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
- 238000001514 detection method Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 4
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 201000001451 hypomyelinating leukodystrophy Diseases 0.000 description 3
- 201000000777 hypomyelinating leukodystrophy 11 Diseases 0.000 description 3
- 208000036546 leukodystrophy Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 108700001954 lipopeptide detergent 12 Proteins 0.000 description 2
- 102100026329 Ciliogenesis and planar polarity effector 2 Human genes 0.000 description 1
- 101000855378 Homo sapiens Ciliogenesis and planar polarity effector 2 Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 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
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27195084A JPS61150595A (ja) | 1984-12-25 | 1984-12-25 | 電話交換装置のフッキング識別方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27195084A JPS61150595A (ja) | 1984-12-25 | 1984-12-25 | 電話交換装置のフッキング識別方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61150595A JPS61150595A (ja) | 1986-07-09 |
| JPH0310277B2 true JPH0310277B2 (enrdf_load_stackoverflow) | 1991-02-13 |
Family
ID=17507071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27195084A Granted JPS61150595A (ja) | 1984-12-25 | 1984-12-25 | 電話交換装置のフッキング識別方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61150595A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6472692A (en) * | 1987-09-14 | 1989-03-17 | Tamura Electric Works Ltd | Key telephone system |
| JPH0636625B2 (ja) * | 1987-12-23 | 1994-05-11 | 松下電工株式会社 | 電話交換システム |
-
1984
- 1984-12-25 JP JP27195084A patent/JPS61150595A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61150595A (ja) | 1986-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |