JPS6328550B2 - - Google Patents
Info
- Publication number
- JPS6328550B2 JPS6328550B2 JP58215019A JP21501983A JPS6328550B2 JP S6328550 B2 JPS6328550 B2 JP S6328550B2 JP 58215019 A JP58215019 A JP 58215019A JP 21501983 A JP21501983 A JP 21501983A JP S6328550 B2 JPS6328550 B2 JP S6328550B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- terminal device
- analog switch
- state
- signal
- 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
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
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/301—Circuit arrangements at the subscriber's side of the line
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Electronic Switches (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21501983A JPS60107968A (ja) | 1983-11-17 | 1983-11-17 | アナログスイッチ回路を備えた端末装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21501983A JPS60107968A (ja) | 1983-11-17 | 1983-11-17 | アナログスイッチ回路を備えた端末装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60107968A JPS60107968A (ja) | 1985-06-13 |
JPS6328550B2 true JPS6328550B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-06-08 |
Family
ID=16665380
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21501983A Granted JPS60107968A (ja) | 1983-11-17 | 1983-11-17 | アナログスイッチ回路を備えた端末装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60107968A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04119238U (ja) * | 1991-04-03 | 1992-10-26 | 秀雄 石迫 | 自動車照明自動制御装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55135461A (en) * | 1979-04-09 | 1980-10-22 | Nippon Telegr & Teleph Corp <Ntt> | Starting system for terminal unit |
JPS5797762A (en) * | 1980-12-11 | 1982-06-17 | Nippon Telegr & Teleph Corp <Ntt> | Analogue switch circuit |
-
1983
- 1983-11-17 JP JP21501983A patent/JPS60107968A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04119238U (ja) * | 1991-04-03 | 1992-10-26 | 秀雄 石迫 | 自動車照明自動制御装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS60107968A (ja) | 1985-06-13 |