JPH0375664U - - Google Patents
Info
- Publication number
- JPH0375664U JPH0375664U JP13698489U JP13698489U JPH0375664U JP H0375664 U JPH0375664 U JP H0375664U JP 13698489 U JP13698489 U JP 13698489U JP 13698489 U JP13698489 U JP 13698489U JP H0375664 U JPH0375664 U JP H0375664U
- Authority
- JP
- Japan
- Prior art keywords
- base unit
- call
- sub
- unit
- main
- 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.)
- Granted
Links
- 230000002265 prevention Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Alarm Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13698489U JP2500896Y2 (ja) | 1989-11-27 | 1989-11-27 | 専用呼出機能付非常電話システム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13698489U JP2500896Y2 (ja) | 1989-11-27 | 1989-11-27 | 専用呼出機能付非常電話システム |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0375664U true JPH0375664U (forum.php) | 1991-07-30 |
| JP2500896Y2 JP2500896Y2 (ja) | 1996-06-12 |
Family
ID=31684161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13698489U Expired - Lifetime JP2500896Y2 (ja) | 1989-11-27 | 1989-11-27 | 専用呼出機能付非常電話システム |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2500896Y2 (forum.php) |
-
1989
- 1989-11-27 JP JP13698489U patent/JP2500896Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2500896Y2 (ja) | 1996-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5283825A (en) | Telephone adaptor for telephone sets | |
| JPS5917017B2 (ja) | エレベ−タ非常通報装置 | |
| JPH0375664U (forum.php) | ||
| CN108513021A (zh) | 一种电梯专用通讯方法 | |
| CN201674536U (zh) | 求援对讲电话 | |
| JPS5943340Y2 (ja) | 非常通報装置を備えてなるエレベ−タ装置 | |
| JPS62181594A (ja) | 集合住宅用集中監視システム | |
| JP2505269B2 (ja) | エレベ―タの非常時呼び出し装置 | |
| JPH07231364A (ja) | 電話装置および監視制御システム | |
| JPH0310266B2 (forum.php) | ||
| JPH0846707A (ja) | 集合住宅用インターホンシステム | |
| JPH0224309Y2 (forum.php) | ||
| JP2546060Y2 (ja) | 集合住宅用監視通話装置 | |
| JPS5945592B2 (ja) | エレベ−タ非常通報装置 | |
| JPH11275241A (ja) | インターホン親機およびこれを使用したインターホンシステム | |
| JPS63197557U (forum.php) | ||
| JP2533760Y2 (ja) | モニター機能を有したインターホン親機及びこれを用いたインターホンシステム | |
| JPH0139010Y2 (forum.php) | ||
| CN2164158Y (zh) | 一种有线双向对讲门铃 | |
| JPS62100065A (ja) | バス式電話装置 | |
| JPS5945596B2 (ja) | エレベ−タ非常通報通話装置 | |
| JPS6339792U (forum.php) | ||
| JPH0787489B2 (ja) | セキユリテイシステム | |
| JPS609260A (ja) | 代理応答方式 | |
| JPS6291063A (ja) | 自動接続切換装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |