JPH042519Y2 - - Google Patents
Info
- Publication number
- JPH042519Y2 JPH042519Y2 JP1987076819U JP7681987U JPH042519Y2 JP H042519 Y2 JPH042519 Y2 JP H042519Y2 JP 1987076819 U JP1987076819 U JP 1987076819U JP 7681987 U JP7681987 U JP 7681987U JP H042519 Y2 JPH042519 Y2 JP H042519Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- mode
- dial
- terminal
- output
- 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
- 238000001514 detection method Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987076819U JPH042519Y2 (US08063081-20111122-C00044.png) | 1987-05-23 | 1987-05-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987076819U JPH042519Y2 (US08063081-20111122-C00044.png) | 1987-05-23 | 1987-05-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63187460U JPS63187460U (US08063081-20111122-C00044.png) | 1988-11-30 |
JPH042519Y2 true JPH042519Y2 (US08063081-20111122-C00044.png) | 1992-01-28 |
Family
ID=30924252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987076819U Expired JPH042519Y2 (US08063081-20111122-C00044.png) | 1987-05-23 | 1987-05-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH042519Y2 (US08063081-20111122-C00044.png) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58207755A (ja) * | 1982-02-09 | 1983-12-03 | Iwatsu Electric Co Ltd | 極性反転検知回路 |
-
1987
- 1987-05-23 JP JP1987076819U patent/JPH042519Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58207755A (ja) * | 1982-02-09 | 1983-12-03 | Iwatsu Electric Co Ltd | 極性反転検知回路 |
Also Published As
Publication number | Publication date |
---|---|
JPS63187460U (US08063081-20111122-C00044.png) | 1988-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH042519Y2 (US08063081-20111122-C00044.png) | ||
JP3091065B2 (ja) | ノーリンギングによりデータ伝送を行う通信装置 | |
JPH03235494A (ja) | ボタン電話装置 | |
US4582958A (en) | Secretary telephone system | |
JP2954677B2 (ja) | 端末用網制御装置 | |
JP2731247B2 (ja) | 網制御装置 | |
JPS6010896A (ja) | 局線回路 | |
KR960009787B1 (ko) | 팩시밀리의 전원 자동 제어 회로 및 방법 | |
JPH089959Y2 (ja) | ファクシミリ装置 | |
JPH0461542A (ja) | 端末網制御装置 | |
JPH0432580B2 (US08063081-20111122-C00044.png) | ||
JP3249802B2 (ja) | ノーリンギング通信装置 | |
JP3349487B2 (ja) | ノーリンギング通信装置 | |
JPH03244260A (ja) | ループ電流検出回路 | |
JP2864823B2 (ja) | 端末網制御装置 | |
JPH0728751Y2 (ja) | 電話装置 | |
JPH0337347B2 (US08063081-20111122-C00044.png) | ||
JPH09200374A (ja) | 端末網制御装置 | |
JPS63105558A (ja) | 自動発呼網制御装置の呼出し制御方式 | |
JPS61184963A (ja) | 電話装置 | |
JPS6259500B2 (US08063081-20111122-C00044.png) | ||
JPS59135992A (ja) | 電話装置 | |
JPH08181774A (ja) | 端末有無検出装置 | |
JPS61224643A (ja) | 通話回路網の切替制御回路 | |
JPS62262550A (ja) | ブランチ電話機使用中検出回路 |