JPS63183698U - - Google Patents
Info
- Publication number
- JPS63183698U JPS63183698U JP7273787U JP7273787U JPS63183698U JP S63183698 U JPS63183698 U JP S63183698U JP 7273787 U JP7273787 U JP 7273787U JP 7273787 U JP7273787 U JP 7273787U JP S63183698 U JPS63183698 U JP S63183698U
- Authority
- JP
- Japan
- Prior art keywords
- central monitoring
- unit
- call
- line
- telephone line
- 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
- 238000012806 monitoring device Methods 0.000 claims description 5
- 230000005856 abnormality Effects 0.000 claims 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Audible And Visible Signals (AREA)
- Alarm Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Selective Calling Equipment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7273787U JPS63183698U (da) | 1987-05-15 | 1987-05-15 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7273787U JPS63183698U (da) | 1987-05-15 | 1987-05-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63183698U true JPS63183698U (da) | 1988-11-25 |
Family
ID=30916457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7273787U Pending JPS63183698U (da) | 1987-05-15 | 1987-05-15 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63183698U (da) |
-
1987
- 1987-05-15 JP JP7273787U patent/JPS63183698U/ja active Pending
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