JPS6117512Y2 - - Google Patents
Info
- Publication number
- JPS6117512Y2 JPS6117512Y2 JP1979115205U JP11520579U JPS6117512Y2 JP S6117512 Y2 JPS6117512 Y2 JP S6117512Y2 JP 1979115205 U JP1979115205 U JP 1979115205U JP 11520579 U JP11520579 U JP 11520579U JP S6117512 Y2 JPS6117512 Y2 JP S6117512Y2
- Authority
- JP
- Japan
- Prior art keywords
- door
- reed switch
- opened
- permanent magnet
- magnetic field
- 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 31
- 230000002265 prevention Effects 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
- Wing Frames And Configurations (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979115205U JPS6117512Y2 (sv) | 1979-08-23 | 1979-08-23 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1979115205U JPS6117512Y2 (sv) | 1979-08-23 | 1979-08-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5637187U JPS5637187U (sv) | 1981-04-09 |
JPS6117512Y2 true JPS6117512Y2 (sv) | 1986-05-28 |
Family
ID=29347445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1979115205U Expired JPS6117512Y2 (sv) | 1979-08-23 | 1979-08-23 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6117512Y2 (sv) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01111893U (sv) * | 1988-01-20 | 1989-07-27 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4727501U (sv) * | 1971-04-17 | 1972-11-28 | ||
JPS4923567U (sv) * | 1972-06-06 | 1974-02-28 | ||
JPS538099A (en) * | 1976-07-10 | 1978-01-25 | Yoshihiko Yamada | Switching mechanism position displacing detection alarm system |
-
1979
- 1979-08-23 JP JP1979115205U patent/JPS6117512Y2/ja not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4727501U (sv) * | 1971-04-17 | 1972-11-28 | ||
JPS4923567U (sv) * | 1972-06-06 | 1974-02-28 | ||
JPS538099A (en) * | 1976-07-10 | 1978-01-25 | Yoshihiko Yamada | Switching mechanism position displacing detection alarm system |
Also Published As
Publication number | Publication date |
---|---|
JPS5637187U (sv) | 1981-04-09 |
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