JPH0171842U - - Google Patents
Info
- Publication number
- JPH0171842U JPH0171842U JP1987168579U JP16857987U JPH0171842U JP H0171842 U JPH0171842 U JP H0171842U JP 1987168579 U JP1987168579 U JP 1987168579U JP 16857987 U JP16857987 U JP 16857987U JP H0171842 U JPH0171842 U JP H0171842U
- Authority
- JP
- Japan
- Prior art keywords
- unit
- magnet piece
- reed switch
- door
- poles
- 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
- 235000014676 Phragmites communis Nutrition 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
第１図ないし第３図は本考案のドア警報装置の
実施例１を示し、第１図は平面図、第２図はドア
に取付ける状態を示す横断面図、第３図は動作を
説明するための図、第４図ないし第６図は本考案
のドア警報装置の実施例２を示し、第４図は横断
面図、第５図はドアに取付ける状態を示す横断面
図、第６図は動作を説明するための図である。
１……基板、２……リードスイツチ、３……電
源、４……負荷、５……配線、６……第１永久磁
石、７……蓋体、８……基板、９，９１……第２
永久磁石、１０……蓋体、１１……ドア枠体、１
３……開き戸、２１……壁体、２３……引き戸。
Figures 1 to 3 show Embodiment 1 of the door alarm device of the present invention, Figure 1 is a plan view, Figure 2 is a cross-sectional view showing how it is installed on a door, and Figure 3 explains the operation. FIGS. 4 to 6 show a second embodiment of the door alarm device of the present invention, FIG. 4 is a cross-sectional view, FIG. 5 is a cross-sectional view showing how it is installed on a door, and FIG. is a diagram for explaining the operation. 1... Board, 2... Reed switch, 3... Power supply, 4... Load, 5... Wiring, 6... First permanent magnet, 7... Lid, 8... Board, 9, 91... Second
Permanent magnet, 10...Lid, 11...Door frame, 1
3...Holding door, 21...Wall, 23...Sliding door.
Claims (1)
ともに、リードスイツチの近傍に両極方向を該リ
ードスイツチと平行にして磁石片が配置された第
１ユニツトと、別の磁石片のみからなる第２ユニ
ツトとを備え、これら第１ユニツト及び第２ユニ
ツトが近接してドア及びドア枠体にそれぞれ取付
けられるとともに、前記第２ユニツトの磁石片は
前記第１ユニツトの磁石片と平行かつ両極を反対
方向となるように配置されたことを特徴とするド
ア警報装置。 A first unit in which a reed switch, a power source, and a load are integrated into a circuit, and a magnet piece is arranged near the reed switch with both poles parallel to the reed switch, and a second unit is made up of only another magnet piece. The first unit and the second unit are attached to the door and the door frame, respectively, in close proximity, and the magnet piece of the second unit is parallel to the magnet piece of the first unit, and both poles are in opposite directions. A door alarm device characterized in that it is arranged as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168579U JPH0171842U (en) | 1987-11-04 | 1987-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168579U JPH0171842U (en) | 1987-11-04 | 1987-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171842U true JPH0171842U (en) | 1989-05-15 |
Family
ID=31457876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987168579U Pending JPH0171842U (en) | 1987-11-04 | 1987-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012252867A (en) * | 2011-06-02 | 2012-12-20 | Sid Co Ltd | Open window detection device of double sliding window |
-
1987
- 1987-11-04 JP JP1987168579U patent/JPH0171842U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012252867A (en) * | 2011-06-02 | 2012-12-20 | Sid Co Ltd | Open window detection device of double sliding window |
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