JPS6010896A - 局線回路 - Google Patents
局線回路Info
- Publication number
- JPS6010896A JPS6010896A JP58117657A JP11765783A JPS6010896A JP S6010896 A JPS6010896 A JP S6010896A JP 58117657 A JP58117657 A JP 58117657A JP 11765783 A JP11765783 A JP 11765783A JP S6010896 A JPS6010896 A JP S6010896A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- office line
- turned
- control circuit
- trunk line
- 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
Classifications
- 
        - H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0096—Trunk circuits
 
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP58117657A JPS6010896A (ja) | 1983-06-29 | 1983-06-29 | 局線回路 | 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP58117657A JPS6010896A (ja) | 1983-06-29 | 1983-06-29 | 局線回路 | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| JPS6010896A true JPS6010896A (ja) | 1985-01-21 | 
| JPH0318797B2 JPH0318797B2 (OSRAM) | 1991-03-13 | 
Family
ID=14717074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| JP58117657A Granted JPS6010896A (ja) | 1983-06-29 | 1983-06-29 | 局線回路 | 
Country Status (1)
| Country | Link | 
|---|---|
| JP (1) | JPS6010896A (OSRAM) | 
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPS61216562A (ja) * | 1985-02-18 | 1986-09-26 | Fujitsu Ltd | 停電検出回路 | 
| JPS62278890A (ja) * | 1986-05-28 | 1987-12-03 | Meisei Electric Co Ltd | 着信及び極性反転検出方式 | 
| JPS6440517U (OSRAM) * | 1987-09-03 | 1989-03-10 | 
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPS52130221A (en) * | 1976-04-24 | 1977-11-01 | Fujitsu Ltd | Ringing detection circuit in telephone exchanger | 
| JPS555944A (en) * | 1978-06-29 | 1980-01-17 | Denki Kagaku Kogyo Kk | Solvent-free composition | 
| JPS583363A (ja) * | 1981-06-27 | 1983-01-10 | Tamura Electric Works Ltd | 端末機器の被呼者応答検出回路 | 
- 
        1983
        - 1983-06-29 JP JP58117657A patent/JPS6010896A/ja active Granted
 
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPS52130221A (en) * | 1976-04-24 | 1977-11-01 | Fujitsu Ltd | Ringing detection circuit in telephone exchanger | 
| JPS555944A (en) * | 1978-06-29 | 1980-01-17 | Denki Kagaku Kogyo Kk | Solvent-free composition | 
| JPS583363A (ja) * | 1981-06-27 | 1983-01-10 | Tamura Electric Works Ltd | 端末機器の被呼者応答検出回路 | 
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPS61216562A (ja) * | 1985-02-18 | 1986-09-26 | Fujitsu Ltd | 停電検出回路 | 
| JPS62278890A (ja) * | 1986-05-28 | 1987-12-03 | Meisei Electric Co Ltd | 着信及び極性反転検出方式 | 
| JPS6440517U (OSRAM) * | 1987-09-03 | 1989-03-10 | 
Also Published As
| Publication number | Publication date | 
|---|---|
| JPH0318797B2 (OSRAM) | 1991-03-13 | 
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