JPH0254717B2 - - Google Patents
Info
- Publication number
- JPH0254717B2 JPH0254717B2 JP18159481A JP18159481A JPH0254717B2 JP H0254717 B2 JPH0254717 B2 JP H0254717B2 JP 18159481 A JP18159481 A JP 18159481A JP 18159481 A JP18159481 A JP 18159481A JP H0254717 B2 JPH0254717 B2 JP H0254717B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- subscriber line
- monitoring
- monitoring circuit
- subscriber
- 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 - Lifetime
Links
- 238000012544 monitoring process Methods 0.000 claims description 57
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56181594A JPS5883492A (ja) | 1981-11-12 | 1981-11-12 | 加入者回路の低電力化方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56181594A JPS5883492A (ja) | 1981-11-12 | 1981-11-12 | 加入者回路の低電力化方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5883492A JPS5883492A (ja) | 1983-05-19 |
| JPH0254717B2 true JPH0254717B2 (ko) | 1990-11-22 |
Family
ID=16103533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56181594A Granted JPS5883492A (ja) | 1981-11-12 | 1981-11-12 | 加入者回路の低電力化方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5883492A (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4602130A (en) * | 1984-10-15 | 1986-07-22 | Itt Corporation | Dual voltage source feed circuit configuration for a telephone line circuit |
| US4598173A (en) * | 1984-10-15 | 1986-07-01 | Itt Corporation | Interface circuit for a subscriber line circuit |
| SE453240B (sv) * | 1986-05-06 | 1988-01-18 | Ericsson Telefon Ab L M | Anordning i ett telekommunikationssystem for att strommata en telefonapparat |
-
1981
- 1981-11-12 JP JP56181594A patent/JPS5883492A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5883492A (ja) | 1983-05-19 |
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