JPH01102986U - - Google Patents
Info
- Publication number
- JPH01102986U JPH01102986U JP19693787U JP19693787U JPH01102986U JP H01102986 U JPH01102986 U JP H01102986U JP 19693787 U JP19693787 U JP 19693787U JP 19693787 U JP19693787 U JP 19693787U JP H01102986 U JPH01102986 U JP H01102986U
- Authority
- JP
- Japan
- Prior art keywords
- window
- switch contact
- magnetic sensor
- sensor
- switch
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Description
第１図は本考案の一実施例を示したセンサ回路
図；第２図は本考案の他の実施例を受信機回路と
共に示した回路図；第３図は従来のマグネツトセ
ンサによる盗難監視システムの説明図である。
１：受信機、１０：マグネツトセンサ、１２：
スイツチ接点、１４：操作スイツチ、１６：ツエ
ナダイオード、１８，２０：コンパレータ、２２
，２４：基準電圧源。
Figure 1 is a sensor circuit diagram showing one embodiment of the present invention; Figure 2 is a circuit diagram showing another embodiment of the present invention together with a receiver circuit; Figure 3 is a conventional theft monitoring system using a magnetic sensor. FIG. 2 is an explanatory diagram of the system. 1: Receiver, 10: Magnetic sensor, 12:
Switch contact, 14: Operation switch, 16: Zener diode, 18, 20: Comparator, 22
, 24: Reference voltage source.
Claims (1)
受けてスイツチ接点を閉じると共に開放時にスイ
ツチ接点を開くマグネツトセンサに於いて、 前記スイツチ接点と並列に接続されたロツクタ
イプの操作スイツチを設けたことを特徴とするマ
グネツトセンサ。[Scope of Claim for Utility Model Registration] In a magnetic sensor that is attached to a window, etc., and closes a switch contact by receiving the magnetic force of a magnet when the window is closed, and opens the switch contact when the window is opened, the sensor is connected in parallel with the switch contact. A magnetic sensor characterized by being equipped with a lock type operation switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19693787U JPH01102986U (en) | 1987-12-25 | 1987-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19693787U JPH01102986U (en) | 1987-12-25 | 1987-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01102986U true JPH01102986U (en) | 1989-07-12 |
Family
ID=31487524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19693787U Pending JPH01102986U (en) | 1987-12-25 | 1987-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01102986U (en) |
-
1987
- 1987-12-25 JP JP19693787U patent/JPH01102986U/ja active Pending
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