JPH0453346B2 - - Google Patents
Info
- Publication number
- JPH0453346B2 JPH0453346B2 JP18095685A JP18095685A JPH0453346B2 JP H0453346 B2 JPH0453346 B2 JP H0453346B2 JP 18095685 A JP18095685 A JP 18095685A JP 18095685 A JP18095685 A JP 18095685A JP H0453346 B2 JPH0453346 B2 JP H0453346B2
- Authority
- JP
- Japan
- Prior art keywords
- cmp
- line
- circuit
- current
- vth
- 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
Landscapes
- Monitoring And Testing Of Exchanges (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60180956A JPS6242655A (ja) | 1985-08-20 | 1985-08-20 | 監視回路 |
| US06/897,914 US4827505A (en) | 1985-08-20 | 1986-08-19 | Subscriber line interface circuit |
| AU61585/86A AU574277B2 (en) | 1985-08-20 | 1986-08-19 | Subscriber line interface circuit |
| CA000516222A CA1260170A (en) | 1985-08-20 | 1986-08-19 | Subscriber line interface circuit |
| EP86111530A EP0212632B1 (en) | 1985-08-20 | 1986-08-20 | Subscriber line interface circuit |
| CN86105137A CN1003032B (zh) | 1985-08-20 | 1986-08-20 | 用户线接口电路 |
| KR8606880A KR900001135B1 (en) | 1985-08-20 | 1986-08-20 | Subscriber line interface circuit |
| DE8686111530T DE3687153T2 (de) | 1985-08-20 | 1986-08-20 | Teilnehmerschnittstellenschaltung. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60180956A JPS6242655A (ja) | 1985-08-20 | 1985-08-20 | 監視回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6242655A JPS6242655A (ja) | 1987-02-24 |
| JPH0453346B2 true JPH0453346B2 (enrdf_load_stackoverflow) | 1992-08-26 |
Family
ID=16092212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60180956A Granted JPS6242655A (ja) | 1985-08-20 | 1985-08-20 | 監視回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6242655A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01166657A (ja) * | 1987-12-22 | 1989-06-30 | Fujitsu Ltd | ループ・地絡監視回路 |
| JPH01284144A (ja) * | 1988-05-11 | 1989-11-15 | Nec Corp | 加入者線の地絡検出表示方式 |
-
1985
- 1985-08-20 JP JP60180956A patent/JPS6242655A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6242655A (ja) | 1987-02-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4253056A (en) | Ground fault detector for DC power supply | |
| JPH07198760A (ja) | 低電圧コンパレータ回路 | |
| JP3157960B2 (ja) | 極性検出回路 | |
| JPH08263152A (ja) | 安定化電源回路 | |
| JPH0453346B2 (enrdf_load_stackoverflow) | ||
| JPH0843455A (ja) | 絶対値回路 | |
| JPH077545A (ja) | 加入者回路 | |
| JPH0637550A (ja) | ターンオン制御回路 | |
| JPH04238272A (ja) | 漏洩電流検知機能を備えた電力供給回路 | |
| JP3659741B2 (ja) | 出力トランジスタの保護回路 | |
| US6157221A (en) | Three input comparator | |
| JPH10163896A (ja) | パルス幅検出機能を有する受信スケルチ回路 | |
| EP0177219A2 (en) | Origination scan circuit | |
| JPS6049417A (ja) | 過電流検出回路 | |
| JPH0431613Y2 (enrdf_load_stackoverflow) | ||
| JPH0361393B2 (enrdf_load_stackoverflow) | ||
| JP2974586B2 (ja) | 加入者回線監視回路 | |
| JPH05276739A (ja) | シリーズレギュレータの保護回路 | |
| JPH0491466A (ja) | 半導体記憶装置 | |
| JP2916180B2 (ja) | 加入者線ループ監視方式 | |
| JP3798718B2 (ja) | 過電流検出回路 | |
| KR790001124B1 (ko) | 과부하(過負荷) 보호회로 | |
| JP2526420Y2 (ja) | 線路断線検出装置 | |
| JPS62160815A (ja) | 入力断検出回路付き増幅器 | |
| JPS645339B2 (enrdf_load_stackoverflow) |