JPS6217919Y2 - - Google Patents
Info
- Publication number
- JPS6217919Y2 JPS6217919Y2 JP1979092791U JP9279179U JPS6217919Y2 JP S6217919 Y2 JPS6217919 Y2 JP S6217919Y2 JP 1979092791 U JP1979092791 U JP 1979092791U JP 9279179 U JP9279179 U JP 9279179U JP S6217919 Y2 JPS6217919 Y2 JP S6217919Y2
- Authority
- JP
- Japan
- Prior art keywords
- alarm
- voltage drop
- tap
- line
- signal generator
- 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
Landscapes
- Details Of Television Systems (AREA)
- Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979092791U JPS6217919Y2 (forum.php) | 1979-07-05 | 1979-07-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979092791U JPS6217919Y2 (forum.php) | 1979-07-05 | 1979-07-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5612291U JPS5612291U (forum.php) | 1981-02-02 |
JPS6217919Y2 true JPS6217919Y2 (forum.php) | 1987-05-08 |
Family
ID=29325754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1979092791U Expired JPS6217919Y2 (forum.php) | 1979-07-05 | 1979-07-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6217919Y2 (forum.php) |
-
1979
- 1979-07-05 JP JP1979092791U patent/JPS6217919Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5612291U (forum.php) | 1981-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1194175A (en) | Fault tolerant, self-powered data reporting system | |
US6625996B2 (en) | Communication control system for air conditioner | |
JPS6217919Y2 (forum.php) | ||
JPS62207033A (ja) | 電力線搬送通信装置 | |
US4680431A (en) | Data network interface module with circuitry for disconnecting a module that has lost supply voltage | |
JPS61144977A (ja) | 電力供給制御回路 | |
BR9811288B1 (pt) | disposição de comunicação de um painel de controle de um sistema de alarme de segurança. | |
JPH012199A (ja) | 自動火災報知機 | |
CN211420991U (zh) | 一种道路清扫车辆线路安全保护装置 | |
GB2065348A (en) | Multiple alarm condition detection and signalling | |
JPS6236280B2 (forum.php) | ||
JPS6213198Y2 (forum.php) | ||
JPS5827455A (ja) | ボタン電話装置の障害対策方式 | |
JPH0233417Y2 (forum.php) | ||
JPS6319098A (ja) | 線路異常監視システム | |
JPH0377554B2 (forum.php) | ||
JPS6072000U (ja) | 警報装置 | |
JPS5981792A (ja) | 警報設備の受信応答装置 | |
JPH0317507Y2 (forum.php) | ||
JPH0325063B2 (forum.php) | ||
JP2747475B2 (ja) | 送受信回路監視方式 | |
JPS6343587Y2 (forum.php) | ||
JPH0342540Y2 (forum.php) | ||
JPS5831634A (ja) | 信号伝送装置 | |
JPH03166694A (ja) | 集合住宅用セキュリティー監視システム |