JPH0487473U - - Google Patents
Info
- Publication number
- JPH0487473U JPH0487473U JP13077290U JP13077290U JPH0487473U JP H0487473 U JPH0487473 U JP H0487473U JP 13077290 U JP13077290 U JP 13077290U JP 13077290 U JP13077290 U JP 13077290U JP H0487473 U JPH0487473 U JP H0487473U
- Authority
- JP
- Japan
- Prior art keywords
- space filled
- reed switch
- magnetic fluid
- permanent magnet
- sensor
- 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
- 239000011553 magnetic fluid Substances 0.000 claims description 7
- 235000014676 Phragmites communis Nutrition 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13077290U JPH0487473U (is) | 1990-11-30 | 1990-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13077290U JPH0487473U (is) | 1990-11-30 | 1990-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0487473U true JPH0487473U (is) | 1992-07-29 |
Family
ID=31878088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13077290U Pending JPH0487473U (is) | 1990-11-30 | 1990-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0487473U (is) |
-
1990
- 1990-11-30 JP JP13077290U patent/JPH0487473U/ja active Pending
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