JPS63122893U - - Google Patents

Info

Publication number
JPS63122893U
JPS63122893U JP1465787U JP1465787U JPS63122893U JP S63122893 U JPS63122893 U JP S63122893U JP 1465787 U JP1465787 U JP 1465787U JP 1465787 U JP1465787 U JP 1465787U JP S63122893 U JPS63122893 U JP S63122893U
Authority
JP
Japan
Prior art keywords
magnet
resistor
product
reed switch
command signal
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
Application number
JP1465787U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1465787U priority Critical patent/JPS63122893U/ja
Publication of JPS63122893U publication Critical patent/JPS63122893U/ja
Pending legal-status Critical Current

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  • Burglar Alarm Systems (AREA)

Description

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

第1図はこの考案の一実施例の構成を示す回路
図、第2図a,b、第3図a,b、及び第4図a
,bはウインド・コンパレータの構成及び出力特
性図、第5図はセンサ部の従来例を示す構成図で
ある。 符号の説明、1……センサ部、2……判別部、
3……警報信号出力部、4……マグネツト、5…
…リードスイツチ、6……ウインド・コンパレー
タ、7……ラツチ回路、8……発振器、9……ス
ピーカ、10,11……比較器、12……商品、
13……凹部、14……ANDゲート。
Fig. 1 is a circuit diagram showing the configuration of an embodiment of this invention, Fig. 2 a, b, Fig. 3 a, b, and Fig. 4 a.
, b are the configuration and output characteristic diagrams of the window comparator, and FIG. 5 is a configuration diagram showing a conventional example of the sensor section. Explanation of symbols, 1...Sensor section, 2...Discrimination section,
3... Alarm signal output section, 4... Magnet, 5...
... Reed switch, 6 ... Window comparator, 7 ... Latch circuit, 8 ... Oscillator, 9 ... Speaker, 10, 11 ... Comparator, 12 ... Product,
13... recess, 14... AND gate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 商品に接着されたマグネツトと、当該マグネツ
トの移動を検知して開くリードスイツチに所定値
の抵抗を直列に接続した回路を有すると共に前記
マグネツトを収容可能な凹部を有して成り、当該
凹部で前記マグネツトを覆う様に商品上に接着さ
れたセンサ部と、前記リードスイツチが閉路され
ているとき前記抵抗を通して流れる電流に基づき
生ずる電圧値を含む所定の基準電圧域が設定され
、かつ前記電圧値が前記基準電圧域から外れたと
き指令信号を出力する判別部と、当該指令信号の
出力により以上を知らせる警報部とを備えた接着
式盗難防止装置。
It has a circuit in which a resistor of a predetermined value is connected in series with a magnet adhered to the product and a reed switch that detects movement of the magnet and opens, and has a recess that can accommodate the magnet. A predetermined reference voltage range is set that includes a sensor portion bonded on the product so as to cover the magnet, and a voltage value generated based on the current flowing through the resistor when the reed switch is closed, and the voltage value is An adhesive-type anti-theft device comprising: a discrimination section that outputs a command signal when the voltage falls outside the reference voltage range; and an alarm section that notifies the above by outputting the command signal.
JP1465787U 1987-02-03 1987-02-03 Pending JPS63122893U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1465787U JPS63122893U (en) 1987-02-03 1987-02-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1465787U JPS63122893U (en) 1987-02-03 1987-02-03

Publications (1)

Publication Number Publication Date
JPS63122893U true JPS63122893U (en) 1988-08-10

Family

ID=30804847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1465787U Pending JPS63122893U (en) 1987-02-03 1987-02-03

Country Status (1)

Country Link
JP (1) JPS63122893U (en)

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