JPS5933597U - Emergency notification device in tunnel - Google Patents
Emergency notification device in tunnelInfo
- Publication number
- JPS5933597U JPS5933597U JP12830282U JP12830282U JPS5933597U JP S5933597 U JPS5933597 U JP S5933597U JP 12830282 U JP12830282 U JP 12830282U JP 12830282 U JP12830282 U JP 12830282U JP S5933597 U JPS5933597 U JP S5933597U
- Authority
- JP
- Japan
- Prior art keywords
- tunnel
- frequency
- notification device
- signal
- emergency notification
- 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
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のトンネル内非常通報装置のブロック図、
第２図は本考案の一実施例にかかるトンネル内非常通報
装置のブロック図である。
１１・・・通報装置、１２・・・非常押釦、１３・・・
周波数発振部、１４・・・出力部、１５・・・受信盤、
１６・・・受信部、１７・・・周波数判別部、１８・・
・信号線。Figure 1 is a block diagram of a conventional tunnel emergency notification device.
FIG. 2 is a block diagram of an in-tunnel emergency notification device according to an embodiment of the present invention. 11... Notification device, 12... Emergency push button, 13...
Frequency oscillation section, 14... Output section, 15... Receiving board,
16... Receiving section, 17... Frequency discrimination section, 18...
·Signal line.
Claims (1)
数発振部および出力部を有する通報装置をトンネル内に
複数個設け、この各通報装置からの信号の周波数が異な
るよう各周波数発振部を構成し、一方、前記通報装置か
らの信号を受信する受信部を有する受信盤に、前記受信
部で受信した信号を判別し、どの通報装置が操作された
かを判別する周波数判別部を設け、かつ、複数個の前記
通報装置と前記受信盤を一対の信号線で接続したトンネ
ル内非常通報装置。A plurality of notification devices each having a frequency oscillation unit and an output unit that output a signal of a predetermined frequency when an emergency push button is closed are provided in the tunnel, and each frequency oscillation unit is configured so that the frequency of the signal from each notification device is different. , on the other hand, a receiving board having a receiving section that receives signals from the reporting device is provided with a frequency determining section that determines the signal received by the receiving section and determines which reporting device has been operated; An in-tunnel emergency notification device in which the plurality of notification devices and the receiving board are connected by a pair of signal lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12830282U JPS5933597U (en) | 1982-08-24 | 1982-08-24 | Emergency notification device in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12830282U JPS5933597U (en) | 1982-08-24 | 1982-08-24 | Emergency notification device in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5933597U true JPS5933597U (en) | 1984-03-01 |
Family
ID=30291103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12830282U Pending JPS5933597U (en) | 1982-08-24 | 1982-08-24 | Emergency notification device in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5933597U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57134790A (en) * | 1981-02-10 | 1982-08-20 | Matsushita Electric Works Ltd | Alarm system |
-
1982
- 1982-08-24 JP JP12830282U patent/JPS5933597U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57134790A (en) * | 1981-02-10 | 1982-08-20 | Matsushita Electric Works Ltd | Alarm system |
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