JPS621723Y2 - - Google Patents
Info
- Publication number
- JPS621723Y2 JPS621723Y2 JP1981071438U JP7143881U JPS621723Y2 JP S621723 Y2 JPS621723 Y2 JP S621723Y2 JP 1981071438 U JP1981071438 U JP 1981071438U JP 7143881 U JP7143881 U JP 7143881U JP S621723 Y2 JPS621723 Y2 JP S621723Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnets
- reed switch
- switch
- reed
- 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.)
- Expired
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims description 20
- 230000004907 flux Effects 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 4
- 238000013459 approach Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981071438U JPS621723Y2 (nl) | 1981-05-19 | 1981-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981071438U JPS621723Y2 (nl) | 1981-05-19 | 1981-05-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57183644U JPS57183644U (nl) | 1982-11-20 |
| JPS621723Y2 true JPS621723Y2 (nl) | 1987-01-16 |
Family
ID=29867230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981071438U Expired JPS621723Y2 (nl) | 1981-05-19 | 1981-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS621723Y2 (nl) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4946060U (nl) * | 1972-08-01 | 1974-04-23 |
-
1981
- 1981-05-19 JP JP1981071438U patent/JPS621723Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4946060U (nl) * | 1972-08-01 | 1974-04-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57183644U (nl) | 1982-11-20 |