JPS5690669A - Emergency informer by subline - Google Patents
Emergency informer by sublineInfo
- Publication number
- JPS5690669A JPS5690669A JP16759379A JP16759379A JPS5690669A JP S5690669 A JPS5690669 A JP S5690669A JP 16759379 A JP16759379 A JP 16759379A JP 16759379 A JP16759379 A JP 16759379A JP S5690669 A JPS5690669 A JP S5690669A
- Authority
- JP
- Japan
- Prior art keywords
- informer
- emergency
- electromagnetic coupler
- input
- telephone set
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16759379A JPS5690669A (en) | 1979-12-25 | 1979-12-25 | Emergency informer by subline |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16759379A JPS5690669A (en) | 1979-12-25 | 1979-12-25 | Emergency informer by subline |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5690669A true JPS5690669A (en) | 1981-07-22 |
Family
ID=15852629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16759379A Pending JPS5690669A (en) | 1979-12-25 | 1979-12-25 | Emergency informer by subline |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5690669A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6091755A (ja) * | 1983-10-26 | 1985-05-23 | Nec Corp | 遠隔監視装置 |
-
1979
- 1979-12-25 JP JP16759379A patent/JPS5690669A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6091755A (ja) * | 1983-10-26 | 1985-05-23 | Nec Corp | 遠隔監視装置 |
JPH0131826B2 (ja) * | 1983-10-26 | 1989-06-28 | Nippon Electric Co |
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