JPS6430471U - - Google Patents
Info
- Publication number
- JPS6430471U JPS6430471U JP12366687U JP12366687U JPS6430471U JP S6430471 U JPS6430471 U JP S6430471U JP 12366687 U JP12366687 U JP 12366687U JP 12366687 U JP12366687 U JP 12366687U JP S6430471 U JPS6430471 U JP S6430471U
- Authority
- JP
- Japan
- Prior art keywords
- conductor coil
- electromagnetic induction
- passage
- detection device
- magnitude
- 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
- 239000004020 conductor Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005674 electromagnetic induction Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Description
第１図は実施例に係る通過検知装置の斜視図、
第２図は他の実施例を示した斜視図、第３図は第
２図に示した実施例に用いるスリツパとコイルの
斜視図、第４図は他の実施例を示した斜視図、第
５図は第４図の実施例で用いる増幅器の回路図で
ある。
１０……導体コイル、１２……ゴムマツト、１
４……通路、１６……電流計、１８……スリツパ
、２０……永久磁石。
FIG. 1 is a perspective view of a passage detection device according to an embodiment;
Fig. 2 is a perspective view showing another embodiment, Fig. 3 is a perspective view of a slipper and coil used in the embodiment shown in Fig. 2, and Fig. 4 is a perspective view showing another embodiment. FIG. 5 is a circuit diagram of an amplifier used in the embodiment of FIG. 4. 10... Conductor coil, 12... Rubber mat, 1
4... passage, 16... ammeter, 18... slipper, 20... permanent magnet.
Claims (1)
段を備えた物体が通過した際に導体コイルに発生
する電磁誘導の大きさ、もしくは変化を検出する
検出手段とを具備することを特徴とする通過検知
装置。[Claims for Utility Model Registration] A conductor coil laid in a passage, and the magnitude or change of electromagnetic induction generated in the conductor coil when an object equipped with electromagnetic induction means passes over or near the conductor coil. A passage detection device comprising a detection means for detecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12366687U JPS6430471U (en) | 1987-08-12 | 1987-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12366687U JPS6430471U (en) | 1987-08-12 | 1987-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6430471U true JPS6430471U (en) | 1989-02-23 |
Family
ID=31372724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12366687U Pending JPS6430471U (en) | 1987-08-12 | 1987-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6430471U (en) |
-
1987
- 1987-08-12 JP JP12366687U patent/JPS6430471U/ja active Pending
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