JPS6233786B2 - - Google Patents
Info
- Publication number
- JPS6233786B2 JPS6233786B2 JP56205474A JP20547481A JPS6233786B2 JP S6233786 B2 JPS6233786 B2 JP S6233786B2 JP 56205474 A JP56205474 A JP 56205474A JP 20547481 A JP20547481 A JP 20547481A JP S6233786 B2 JPS6233786 B2 JP S6233786B2
- Authority
- JP
- Japan
- Prior art keywords
- handset
- station number
- signal line
- call
- selection signal
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56205474A JPS58106941A (ja) | 1981-12-18 | 1981-12-18 | 親子式インタ−ホン装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56205474A JPS58106941A (ja) | 1981-12-18 | 1981-12-18 | 親子式インタ−ホン装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58106941A JPS58106941A (ja) | 1983-06-25 |
| JPS6233786B2 true JPS6233786B2 (pm) | 1987-07-22 |
Family
ID=16507453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56205474A Granted JPS58106941A (ja) | 1981-12-18 | 1981-12-18 | 親子式インタ−ホン装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58106941A (pm) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63179991U (pm) * | 1987-05-12 | 1988-11-21 | ||
| JPH0384054U (pm) * | 1989-09-14 | 1991-08-27 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60108062U (ja) * | 1983-12-23 | 1985-07-23 | 松下電工株式会社 | 集合住宅用通話システム |
| JPS61128860U (pm) * | 1985-01-31 | 1986-08-12 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5450352A (en) * | 1977-09-28 | 1979-04-20 | Hitachi Ltd | Centralized meter inspector |
-
1981
- 1981-12-18 JP JP56205474A patent/JPS58106941A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63179991U (pm) * | 1987-05-12 | 1988-11-21 | ||
| JPH0384054U (pm) * | 1989-09-14 | 1991-08-27 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58106941A (ja) | 1983-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4922523A (en) | Videotex with telephone call screening system | |
| US4731821A (en) | Single wire telephone intercommunication system | |
| US5014299A (en) | Modem coupler for multi-line key telephone system | |
| US4802206A (en) | Calling system for enabling speech transmission from a caller to a called busy party in a telephone system | |
| JPS58114661A (ja) | 英数字伝送方法 | |
| JPS6233786B2 (pm) | ||
| JPH0734563B2 (ja) | コ−ドレス電話機 | |
| HUT54446A (en) | Computer controlled telecommunication equipment | |
| KR960013955B1 (ko) | 공동 주택용 통신망의 설비 및 그 제어 방법 | |
| JPH0330345B2 (pm) | ||
| JP2918357B2 (ja) | コードレス電話機の外線転送方式 | |
| JP2810726B2 (ja) | 電話システム | |
| JP2603701B2 (ja) | 自動発呼方式 | |
| JP2919323B2 (ja) | 専用回線伝送方式 | |
| KR960001086B1 (ko) | 사설교환기의 가입자 통화 확인 방법 | |
| JP2666270B2 (ja) | ボタン電話装置 | |
| JPH04150443A (ja) | コードレスボタン電話装置の回線使用状態情報伝達方式 | |
| JPH047924A (ja) | 通信端末装置及び当該装置を含む通信システム | |
| JPH0314393A (ja) | 構内交換機の中継台制御方式 | |
| JPH01135164A (ja) | 通信装置 | |
| JPS58154961A (ja) | 秘匿通話方法 | |
| JPS6074760A (ja) | インタ−ホン装置 | |
| JPS63299563A (ja) | 交換機 | |
| JPH07322314A (ja) | 小形構内回線制御装置の内線増設方法 | |
| JPH0364297A (ja) | ボタン電話装置 |