JPH0345600B2 - - Google Patents
Info
- Publication number
- JPH0345600B2 JPH0345600B2 JP20216281A JP20216281A JPH0345600B2 JP H0345600 B2 JPH0345600 B2 JP H0345600B2 JP 20216281 A JP20216281 A JP 20216281A JP 20216281 A JP20216281 A JP 20216281A JP H0345600 B2 JPH0345600 B2 JP H0345600B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- state
- scanning information
- logic level
- power supply
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/72—Finding out and indicating number of calling subscriber
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20216281A JPS58103288A (ja) | 1981-12-15 | 1981-12-15 | 走査情報保護方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20216281A JPS58103288A (ja) | 1981-12-15 | 1981-12-15 | 走査情報保護方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58103288A JPS58103288A (ja) | 1983-06-20 |
| JPH0345600B2 true JPH0345600B2 (enrdf_load_html_response) | 1991-07-11 |
Family
ID=16452980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20216281A Granted JPS58103288A (ja) | 1981-12-15 | 1981-12-15 | 走査情報保護方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58103288A (enrdf_load_html_response) |
-
1981
- 1981-12-15 JP JP20216281A patent/JPS58103288A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58103288A (ja) | 1983-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6192069A (ja) | 公衆電話機 | |
| US4425512A (en) | Power supply system | |
| JP2833513B2 (ja) | 通信端末装置 | |
| US4485273A (en) | Intercom adapter for telephones | |
| CA2042676C (en) | Ringing signal control circuit for an enhanced subscriber line interface | |
| CA2042682C (en) | Over-current detector circuit for an enhanced subscriber line interface | |
| JP2588078B2 (ja) | 電話機の電源制御回路 | |
| EP0366991B1 (en) | Method and device to keep low the power absorbed by a telephone interface circuit, in the "on-hook" state of the line | |
| JPS60216661A (ja) | コイン電話機 | |
| JPH0345600B2 (enrdf_load_html_response) | ||
| JPS58115997A (ja) | サ−ビス要求呼および連続性センサ回路 | |
| JPH0263358A (ja) | 電子交換機における電源障害の誤検出防止方式 | |
| USRE35582E (en) | Subscriber line interface circuit with power-down mode | |
| JPH0418283Y2 (enrdf_load_html_response) | ||
| JP4023009B2 (ja) | 端末網制御装置 | |
| JP2594663B2 (ja) | 端末用網制御装置 | |
| JP3865160B2 (ja) | 回線インタフェース回路及び発信者通知の検出方法 | |
| JP2731270B2 (ja) | 網制御装置 | |
| JP3710006B2 (ja) | 電話回線の極性検出回路 | |
| JPH0332126Y2 (enrdf_load_html_response) | ||
| JPH04137963A (ja) | 回線端末装置 | |
| JPH0993311A (ja) | Dc負荷保護回路 | |
| JPS6333953A (ja) | ホ−ムテレホンシステム | |
| JPS6019177B2 (ja) | 電話回線の心線対照用切換回路 | |
| JPH07105836B2 (ja) | 通信管理装置 |