JPH0317899U - - Google Patents
Info
- Publication number
- JPH0317899U JPH0317899U JP7520189U JP7520189U JPH0317899U JP H0317899 U JPH0317899 U JP H0317899U JP 7520189 U JP7520189 U JP 7520189U JP 7520189 U JP7520189 U JP 7520189U JP H0317899 U JPH0317899 U JP H0317899U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- sensor
- signal
- voltage level
- disaster prevention
- 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 description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 2
- 230000005856 abnormality Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989075201U JP2517864Y2 (ja) | 1989-06-27 | 1989-06-27 | 防災中継器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989075201U JP2517864Y2 (ja) | 1989-06-27 | 1989-06-27 | 防災中継器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0317899U true JPH0317899U (US20100056889A1-20100304-C00004.png) | 1991-02-21 |
JP2517864Y2 JP2517864Y2 (ja) | 1996-11-20 |
Family
ID=31615572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989075201U Expired - Lifetime JP2517864Y2 (ja) | 1989-06-27 | 1989-06-27 | 防災中継器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2517864Y2 (US20100056889A1-20100304-C00004.png) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57106096U (US20100056889A1-20100304-C00004.png) * | 1980-12-23 | 1982-06-30 | ||
JPS60117399A (ja) * | 1983-11-29 | 1985-06-24 | ホーチキ株式会社 | 異常警報装置 |
JPS6223400U (US20100056889A1-20100304-C00004.png) * | 1985-07-24 | 1987-02-12 | ||
JPS63262798A (ja) * | 1987-04-21 | 1988-10-31 | 株式会社日立ビルシステムサービス | 電源状態発信装置 |
-
1989
- 1989-06-27 JP JP1989075201U patent/JP2517864Y2/ja not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57106096U (US20100056889A1-20100304-C00004.png) * | 1980-12-23 | 1982-06-30 | ||
JPS60117399A (ja) * | 1983-11-29 | 1985-06-24 | ホーチキ株式会社 | 異常警報装置 |
JPS6223400U (US20100056889A1-20100304-C00004.png) * | 1985-07-24 | 1987-02-12 | ||
JPS63262798A (ja) * | 1987-04-21 | 1988-10-31 | 株式会社日立ビルシステムサービス | 電源状態発信装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2517864Y2 (ja) | 1996-11-20 |