JPH0289100U - - Google Patents
Info
- Publication number
- JPH0289100U JPH0289100U JP16759988U JP16759988U JPH0289100U JP H0289100 U JPH0289100 U JP H0289100U JP 16759988 U JP16759988 U JP 16759988U JP 16759988 U JP16759988 U JP 16759988U JP H0289100 U JPH0289100 U JP H0289100U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- detection signal
- circuit
- train
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988167599U JPH0717624Y2 (ja) | 1988-12-27 | 1988-12-27 | シールド工事用電車の接近警報装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988167599U JPH0717624Y2 (ja) | 1988-12-27 | 1988-12-27 | シールド工事用電車の接近警報装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0289100U true JPH0289100U (de) | 1990-07-13 |
JPH0717624Y2 JPH0717624Y2 (ja) | 1995-04-26 |
Family
ID=31456039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988167599U Expired - Lifetime JPH0717624Y2 (ja) | 1988-12-27 | 1988-12-27 | シールド工事用電車の接近警報装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0717624Y2 (de) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5264403U (de) * | 1975-11-08 | 1977-05-12 |
-
1988
- 1988-12-27 JP JP1988167599U patent/JPH0717624Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5264403U (de) * | 1975-11-08 | 1977-05-12 |
Also Published As
Publication number | Publication date |
---|---|
JPH0717624Y2 (ja) | 1995-04-26 |
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