JPH0221955U - - Google Patents
Info
- Publication number
- JPH0221955U JPH0221955U JP10067488U JP10067488U JPH0221955U JP H0221955 U JPH0221955 U JP H0221955U JP 10067488 U JP10067488 U JP 10067488U JP 10067488 U JP10067488 U JP 10067488U JP H0221955 U JPH0221955 U JP H0221955U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- incoming
- line
- incoming call
- outgoing
- 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.)
- Pending
Links
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 3
- 238000012545 processing Methods 0.000 claims 3
- 230000008054 signal transmission Effects 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000012360 testing method Methods 0.000 claims 2
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Locating Faults (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10067488U JPH0221955U (pt) | 1988-07-29 | 1988-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10067488U JPH0221955U (pt) | 1988-07-29 | 1988-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0221955U true JPH0221955U (pt) | 1990-02-14 |
Family
ID=31328962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10067488U Pending JPH0221955U (pt) | 1988-07-29 | 1988-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221955U (pt) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS549003A (en) * | 1977-05-06 | 1979-01-23 | Siebec Filtres | Centrifugal impeller pump magnetically driven by motor |
| JPS5895486A (ja) * | 1981-12-01 | 1983-06-07 | Nippon Dentsu Kensetsu Kk | 携帯用電話加入者線試験器 |
-
1988
- 1988-07-29 JP JP10067488U patent/JPH0221955U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS549003A (en) * | 1977-05-06 | 1979-01-23 | Siebec Filtres | Centrifugal impeller pump magnetically driven by motor |
| JPS5895486A (ja) * | 1981-12-01 | 1983-06-07 | Nippon Dentsu Kensetsu Kk | 携帯用電話加入者線試験器 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1466162A (en) | Telecommunications systems | |
| US4408102A (en) | Two-wire exchange telephone system | |
| JPH0221955U (pt) | ||
| JPH0313040A (ja) | コードレス電話機 | |
| JPS643355U (pt) | ||
| JPS63313951A (ja) | ファクシミリ受信装置 | |
| JPS61171240A (ja) | 自動車電話基地局の回線検査装置 | |
| JPS63263966A (ja) | 端末呼出信号検出方法 | |
| JPH0115264Y2 (pt) | ||
| JP3147097B2 (ja) | インバンドリンガー加入者回線の回線試験システムとその回線試験方法 | |
| JP2543060B2 (ja) | 電話交換機 | |
| JPH0418282Y2 (pt) | ||
| JPH0644204Y2 (ja) | 共鳴り防止機能付電話回線使用中表示器 | |
| JPH0697991A (ja) | コードレス電話システム | |
| JPH0412735U (pt) | ||
| JPS6328553B2 (pt) | ||
| JPH01218258A (ja) | フアクシミリ装置 | |
| JPH03129956A (ja) | 端末装置 | |
| JPH01852A (ja) | 電話装置を用いた警報システム | |
| JPS5817760A (ja) | 着信通知方式 | |
| JPS628652A (ja) | 網制御装置 | |
| JPH0453348U (pt) | ||
| JPH04309048A (ja) | 自動連絡装置 | |
| JPS6461195A (en) | Extension telephone system | |
| JPH01216658A (ja) | 電話回線における通話回線切り替え装置 |