JPS51142998A - Alarm systems - Google Patents
Alarm systemsInfo
- Publication number
- JPS51142998A JPS51142998A JP6720075A JP6720075A JPS51142998A JP S51142998 A JPS51142998 A JP S51142998A JP 6720075 A JP6720075 A JP 6720075A JP 6720075 A JP6720075 A JP 6720075A JP S51142998 A JPS51142998 A JP S51142998A
- Authority
- JP
- Japan
- Prior art keywords
- alarm systems
- transmission
- signals over
- alarm signals
- alarm
- 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
Landscapes
- Alarm Systems (AREA)
Abstract
PURPOSE: Transmission of alarm signals over commercial service wires.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6720075A JPS51142998A (en) | 1975-06-04 | 1975-06-04 | Alarm systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6720075A JPS51142998A (en) | 1975-06-04 | 1975-06-04 | Alarm systems |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51142998A true JPS51142998A (en) | 1976-12-08 |
Family
ID=13338015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6720075A Pending JPS51142998A (en) | 1975-06-04 | 1975-06-04 | Alarm systems |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51142998A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03222100A (en) * | 1990-01-29 | 1991-10-01 | Fujitsu Denso Ltd | Social alarm system |
-
1975
- 1975-06-04 JP JP6720075A patent/JPS51142998A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03222100A (en) * | 1990-01-29 | 1991-10-01 | Fujitsu Denso Ltd | Social alarm system |
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