JPS5824222Y2 - 信号回路の試験装置 - Google Patents
信号回路の試験装置Info
- Publication number
- JPS5824222Y2 JPS5824222Y2 JP1979022944U JP2294479U JPS5824222Y2 JP S5824222 Y2 JPS5824222 Y2 JP S5824222Y2 JP 1979022944 U JP1979022944 U JP 1979022944U JP 2294479 U JP2294479 U JP 2294479U JP S5824222 Y2 JPS5824222 Y2 JP S5824222Y2
- Authority
- JP
- Japan
- Prior art keywords
- line
- relay
- self
- signal
- lines
- 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
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979022944U JPS5824222Y2 (ja) | 1979-02-26 | 1979-02-26 | 信号回路の試験装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979022944U JPS5824222Y2 (ja) | 1979-02-26 | 1979-02-26 | 信号回路の試験装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55123873U JPS55123873U (enExample) | 1980-09-02 |
| JPS5824222Y2 true JPS5824222Y2 (ja) | 1983-05-24 |
Family
ID=28858625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979022944U Expired JPS5824222Y2 (ja) | 1979-02-26 | 1979-02-26 | 信号回路の試験装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5824222Y2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5869947B2 (ja) * | 2012-04-10 | 2016-02-24 | 日本電信電話株式会社 | 耐電圧試験装置および耐電圧試験方法 |
-
1979
- 1979-02-26 JP JP1979022944U patent/JPS5824222Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55123873U (enExample) | 1980-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5824222Y2 (ja) | 信号回路の試験装置 | |
| JPH05219082A (ja) | リング状通信ネットワーク | |
| US4564726A (en) | Pulse/direct current transmitting circuit in a key telephone system | |
| JPS58195428A (ja) | インタフエ−ス回路の過電圧保護回路装置 | |
| EP0379901B1 (de) | Nachrichtenaufbereitungseinrichtung | |
| CA1217843A (en) | Digital span transmission circuit | |
| US4166930A (en) | Transient free ring relay circuit for arbitrary time switching | |
| JPH01256212A (ja) | 双方向バッファ回路 | |
| JPS5818355Y2 (ja) | 抵抗値切替回路 | |
| US2473346A (en) | Teletypewriter exchange system | |
| JPH0713309Y2 (ja) | 定電流給電装置 | |
| JPS61232791A (ja) | 電話システム用信号伝送回路 | |
| JPH03852Y2 (enExample) | ||
| SU37744A1 (ru) | Двухпроводна соединительна машина дл автоматических телефонных станций | |
| AT221595B (de) | Schaltungsanordnung für eine Empfangseinrichtung in doppelgerichteten Wechselstrom-Übertragern | |
| JPS61140248A (ja) | 通信用切換装置 | |
| DE448701C (de) | Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb | |
| JPS631558Y2 (enExample) | ||
| JPS6356663B2 (enExample) | ||
| DE963969C (de) | Schaltungsanordnung fuer Fernmeldeanlagen zur Umschaltung eines Anschlusses von einer auf eine andere Speisebruecke, insbesondere fuer Fernsprechnebenstellenanlagen | |
| JPS63292893A (ja) | 直流ル−プ制御方式 | |
| JPH04358493A (ja) | 2極性信号ドライブ/レシーブ方式 | |
| DE687790C (de) | Schaltungsanordnung fuer Gesellschaftsleitungen mit wahlweisem Anruf der Sprechstellen durch unterschiedliche Stroeme | |
| JPS584314Y2 (ja) | リモ−トコントロ−ル装置 | |
| JPS6359300B2 (enExample) |