JPS6189995U - - Google Patents
Info
- Publication number
- JPS6189995U JPS6189995U JP17303884U JP17303884U JPS6189995U JP S6189995 U JPS6189995 U JP S6189995U JP 17303884 U JP17303884 U JP 17303884U JP 17303884 U JP17303884 U JP 17303884U JP S6189995 U JPS6189995 U JP S6189995U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- gas detection
- gas
- supplied
- buzzer
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 8
- 230000003213 activating effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Alarm Devices (AREA)
Description
第１図は本考案による装置の実施例を示す回路
図、第２図及び第３図は従来のガス警報システム
を示すブロツク図である。
１２…信号判別回路、Ｑ１〜Ｑ３…ＮＰＮトラ
ンジスタ、Ｃ…戸外ブザー、Ｂ…バツクアツプコ
ンデンサ。
FIG. 1 is a circuit diagram showing an embodiment of the device according to the present invention, and FIGS. 2 and 3 are block diagrams showing a conventional gas alarm system. 12...Signal discrimination circuit, Q1 to Q3 ...NPN transistor, C...Outdoor buzzer, B...Backup capacitor.
Claims (1)
る警報時の電圧の検出と、ガス検出部から電圧が
供給されないことの検出とに応じてガス検出部か
ら離れた戸外に設けられたブザーを作動するよう
になしたガス警報戸外ブザー装置において、前記
ガス検出部からの電圧によつて充電されるバツク
アツプコンデンサと、前記ガス検出部から電圧が
供給されないことの検出に応じて前記バツクアツ
プコンデンサの充電電荷を前記ブザーを通じて放
電させる手段とを備えることを特徴とするガス警
報戸外ブザー装置。 Activating a buzzer installed outdoors away from the gas detection unit in response to detection of a voltage at the time of alarm that is different from the voltage normally supplied from the gas detection unit, and detection of no voltage being supplied from the gas detection unit. In the gas alarm outdoor buzzer device, a backup capacitor is charged by the voltage from the gas detection section, and the backup capacitor is charged in response to detection that no voltage is supplied from the gas detection section. and means for discharging electric charge through the buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984173038U JPH0241751Y2 (en) | 1984-11-16 | 1984-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984173038U JPH0241751Y2 (en) | 1984-11-16 | 1984-11-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6189995U true JPS6189995U (en) | 1986-06-11 |
| JPH0241751Y2 JPH0241751Y2 (en) | 1990-11-07 |
Family
ID=30730695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984173038U Expired JPH0241751Y2 (en) | 1984-11-16 | 1984-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241751Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585190U (en) * | 1981-07-03 | 1983-01-13 | 新コスモス電機株式会社 | external alarm device |
-
1984
- 1984-11-16 JP JP1984173038U patent/JPH0241751Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS585190U (en) * | 1981-07-03 | 1983-01-13 | 新コスモス電機株式会社 | external alarm device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0241751Y2 (en) | 1990-11-07 |
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