JPH0332149Y2 - - Google Patents
Info
- Publication number
- JPH0332149Y2 JPH0332149Y2 JP14686186U JP14686186U JPH0332149Y2 JP H0332149 Y2 JPH0332149 Y2 JP H0332149Y2 JP 14686186 U JP14686186 U JP 14686186U JP 14686186 U JP14686186 U JP 14686186U JP H0332149 Y2 JPH0332149 Y2 JP H0332149Y2
- Authority
- JP
- Japan
- Prior art keywords
- office line
- circuit
- switching
- communication path
- tel
- 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
- 238000004891 communication Methods 0.000 claims description 33
- 239000003990 capacitor Substances 0.000 claims description 9
- 230000010287 polarization Effects 0.000 claims description 2
- 230000005236 sound signal Effects 0.000 description 14
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Monitoring And Testing Of Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14686186U JPH0332149Y2 (en]) | 1986-09-25 | 1986-09-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14686186U JPH0332149Y2 (en]) | 1986-09-25 | 1986-09-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6352368U JPS6352368U (en]) | 1988-04-08 |
JPH0332149Y2 true JPH0332149Y2 (en]) | 1991-07-08 |
Family
ID=31059705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14686186U Expired JPH0332149Y2 (en]) | 1986-09-25 | 1986-09-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0332149Y2 (en]) |
-
1986
- 1986-09-25 JP JP14686186U patent/JPH0332149Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6352368U (en]) | 1988-04-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0453474B2 (en]) | ||
US4323734A (en) | Interface circuit for telephone line to equipment signal coupling | |
US4301334A (en) | Telecommunication subscriber line access circuit with ground key and insulation fault indication | |
JPH0332149Y2 (en]) | ||
CA1199135A (en) | Remotely actuable line disconnect device | |
US3553373A (en) | Manual rerouter system for telephone subscriber station with combined conference call feature | |
JPS5811109Y2 (ja) | 夜間切替回路 | |
JPS5912877Y2 (ja) | 電話回線の正常極性保持回路 | |
JPS63111750A (ja) | 網制御回路 | |
JP2624349B2 (ja) | 切分器 | |
JPH0470835B2 (en]) | ||
JP2859907B2 (ja) | 網制御装置 | |
JP2998452B2 (ja) | 構内交換機の迂回方式 | |
JP2535846Y2 (ja) | 電話交換システムの外線インタフェース | |
JP2615029B2 (ja) | 加入電信網用加入者線インタフエース回路 | |
JPH0339902Y2 (en]) | ||
RU1786528C (ru) | Устройство коммутации | |
JPS62241493A (ja) | ル−プ検出回路 | |
JPH039647A (ja) | ファクシミリ装置 | |
JPS6184988A (ja) | 局線回路 | |
JPH0642702B2 (ja) | 網制御装置 | |
JPS6358420B2 (en]) | ||
JPH0258957A (ja) | 網制御装置 | |
JPH01101058A (ja) | 給電制御方式 | |
JPS63178694A (ja) | ボタン電話装置 |