JPS60112892U - resonator - Google Patents

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は商品の盗難防止システムの概略を示す図、第２
図は従来の共振器を示す概略斜視図、第３図は共振器の
回路図、第４図および第５図は本考案の共振器の一実施
例を示す斜視図、第６図は第５図の共振器を示す分解斜
視図、第７図および第８図Ａ、　Ｂは本考案の実施例を
示す正面図および側面図、第９図は本発明のさらに他の
実施例を示す正面図である。 ５・・・・・・共振器、６・・・・・・絶縁性基板、７
・・・・・・コイル、８・・・・・・共振回路、９・−
・・・・商品（コンパクトディスク）、１０・・・・・
・商品ケース、１３，１４・・・・・・第１および第２
の共振器、１５・・・・・・コンデンサ。Figure 1 is a diagram showing the outline of the product theft prevention system, Figure 2
3 is a schematic perspective view showing a conventional resonator, FIG. 3 is a circuit diagram of the resonator, FIGS. 4 and 5 are perspective views showing an embodiment of the resonator of the present invention, and FIG. FIG. 7 and FIG. 8 A and B are front and side views showing an embodiment of the present invention, and FIG. 9 is a front view showing still another embodiment of the present invention. It is. 5...Resonator, 6...Insulating substrate, 7
... Coil, 8 ... Resonance circuit, 9 -
...Product (compact disc), 10...
・Product case, 13, 14... 1st and 2nd
resonator, 15... capacitor.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）絶縁性基板に形成されたループ状のコイルとコン
デンサとからなる共振回路を備えるとともに商品に付さ
れる共振器において、共振周波数の略同じ前記共振回路
が複数互いに間隔をおいて備えられてなることを特徴と
する共振器。(1) In a resonator that includes a resonant circuit consisting of a loop-shaped coil and a capacitor formed on an insulating substrate and is attached to a product, a plurality of the resonant circuits having substantially the same resonant frequency are provided at intervals from each other. A resonator characterized by the following characteristics: （２）　　複数の共振回路が、同一の基板に形成されて
なる実用新案登録請求の範囲第１項記載の共振器。(2) The resonator according to claim 1, wherein a plurality of resonant circuits are formed on the same substrate.