JPS59165090U - Shoplifting prevention device - Google Patents
Shoplifting prevention deviceInfo
- Publication number
- JPS59165090U JPS59165090U JP5810083U JP5810083U JPS59165090U JP S59165090 U JPS59165090 U JP S59165090U JP 5810083 U JP5810083 U JP 5810083U JP 5810083 U JP5810083 U JP 5810083U JP S59165090 U JPS59165090 U JP S59165090U
- Authority
- JP
- Japan
- Prior art keywords
- transmitting
- prevention device
- receiving
- shoplifting prevention
- electromagnetic 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.)
- Pending
Links
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は、本考案の一実施例を示すもので、第１図は、そ
の被検知体の共振回路を表出させた状態の正面図、第２
図は、その万引防止装置を出口通路に設置した状態を示
す概略斜視図、第３図は、その送、受信回路のブロック
図、第４図は、その送信用基板に送信アンテナを巻回し
た状態を示す正面図、第５図は、その受信用基板に受信
アンチ ゛すを巻回した状態を示す正面図、第６図は
、その送信（受信アンテナ）の一部を示す正面図、であ
る。
８・・・・・・送信用基板、１０・・・・・・送信アン
テナ、−１１・・・・・・受信用基板、１３・・・・・
・受信アンテナ。
蝕
第５図The drawings show one embodiment of the present invention; FIG. 1 is a front view of the detected object with its resonant circuit exposed, and FIG.
The figure is a schematic perspective view showing the shoplifting prevention device installed in the exit passage, Figure 3 is a block diagram of its transmitting and receiving circuits, and Figure 4 is a diagram showing the transmitting antenna wound around the transmitting board. Fig. 5 is a front view showing the state in which the receiving antenna is wound around the receiving board, and Fig. 6 is a front view showing a part of the transmitting (receiving antenna). be. 8...Transmission board, 10...Transmission antenna, -11...Reception board, 13...
・Receiving antenna. Eclipse Figure 5
Claims (2)
路に接続された受信アンテナとの間に形成された電磁界
内に被検知体が入った際、上記電磁界の変動を検出して
警報を発する様にした万引防止装置において、 上記送、受信アンテナを夫々送、受信回路の設けられて
いる基板の外周部に、取付けた事を特徴とする万引防止
装置。(1) When a detected object enters the electromagnetic field formed between the transmitting antenna connected to the transmitting circuit and the receiving antenna connected to the receiving circuit, fluctuations in the electromagnetic field are detected and an alarm is issued. A shoplifting prevention device characterized in that the transmitting and receiving antennas are attached to the outer periphery of a board on which the transmitting and receiving circuits are respectively provided.
の線材によって形成した事を特徴とする実用新案登録請
求の範囲第１項記載の万引防止装置。(2) The shoplifting prevention device according to claim 1, wherein the transmitting and receiving antennas are formed of a plurality of mutually twisted wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5810083U JPS59165090U (en) | 1983-04-20 | 1983-04-20 | Shoplifting prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5810083U JPS59165090U (en) | 1983-04-20 | 1983-04-20 | Shoplifting prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59165090U true JPS59165090U (en) | 1984-11-06 |
Family
ID=30188386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5810083U Pending JPS59165090U (en) | 1983-04-20 | 1983-04-20 | Shoplifting prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59165090U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5126215A (en) * | 1974-08-28 | 1976-03-04 | Sumitomo Chemical Co | BENSHIKURANZAZAINOSEIZOHOHO |
| JPS51128207A (en) * | 1974-04-29 | 1976-11-09 | Integrated Electronics | Movable transmitter |
| JPS5412288A (en) * | 1977-05-09 | 1979-01-29 | Knogo Corp | Method of and device for generating uniform electromagnetic field in article finding system |
-
1983
- 1983-04-20 JP JP5810083U patent/JPS59165090U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51128207A (en) * | 1974-04-29 | 1976-11-09 | Integrated Electronics | Movable transmitter |
| JPS5126215A (en) * | 1974-08-28 | 1976-03-04 | Sumitomo Chemical Co | BENSHIKURANZAZAINOSEIZOHOHO |
| JPS5412288A (en) * | 1977-05-09 | 1979-01-29 | Knogo Corp | Method of and device for generating uniform electromagnetic field in article finding system |
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