JPS621724Y2 - - Google Patents
Info
- Publication number
- JPS621724Y2 JPS621724Y2 JP1981071439U JP7143981U JPS621724Y2 JP S621724 Y2 JPS621724 Y2 JP S621724Y2 JP 1981071439 U JP1981071439 U JP 1981071439U JP 7143981 U JP7143981 U JP 7143981U JP S621724 Y2 JPS621724 Y2 JP S621724Y2
- Authority
- JP
- Japan
- Prior art keywords
- reed switch
- switch
- magnetic
- reed
- contact
- 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
- 239000011521 glass Substances 0.000 claims description 4
- 230000005415 magnetization Effects 0.000 claims description 4
- 230000004907 flux Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation 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 |
---|---|---|---|
JP1981071439U JPS621724Y2 (US07655688-20100202-C00086.png) | 1981-05-19 | 1981-05-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981071439U JPS621724Y2 (US07655688-20100202-C00086.png) | 1981-05-19 | 1981-05-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57183645U JPS57183645U (US07655688-20100202-C00086.png) | 1982-11-20 |
JPS621724Y2 true JPS621724Y2 (US07655688-20100202-C00086.png) | 1987-01-16 |
Family
ID=29867231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981071439U Expired JPS621724Y2 (US07655688-20100202-C00086.png) | 1981-05-19 | 1981-05-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS621724Y2 (US07655688-20100202-C00086.png) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4946060U (US07655688-20100202-C00086.png) * | 1972-08-01 | 1974-04-23 |
-
1981
- 1981-05-19 JP JP1981071439U patent/JPS621724Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4946060U (US07655688-20100202-C00086.png) * | 1972-08-01 | 1974-04-23 |
Also Published As
Publication number | Publication date |
---|---|
JPS57183645U (US07655688-20100202-C00086.png) | 1982-11-20 |