Source: http://www.google.es/patents/US5689237
Timestamp: 2013-05-21 23:56:48
Document Index: 116752370

Matched Legal Cases: ['art 1', 'art 2', 'art 3', 'art 2', 'art 1', 'art 1', 'art 2', 'art 3', 'art 2', 'art 1']

Patente US5689237 - Antitheft security tag and electronic article surveillance security system - Google PatentesB�squeda Im�genes Maps Play YouTube Noticias Gmail Drive M�s » B�squeda avanzada de patentes | Historial web | Iniciar sesi�n B�squeda avanzada de patentesPatentesAn antitheft security tag is used in combination with an article surveillance security system. The antitheft security tag comprises a tagging part to be tagged to an article, formed by looping a two-core cable having two insulated copper wires or the like, a connecting part formed out of a cable, to...http://www.google.es/patents/US5689237?utm_source=gb-gplus-sharePatente US5689237 - Antitheft security tag and electronic article surveillance security system N�mero de publicaci�nUS5689237 ATipo de publicaci�nConcesi�n N�mero de solicitud08/609,811 Fecha de publicaci�n18 Nov 1997 Fecha de presentaci�n1 Mar 1996 Fecha de prioridad10 Mar 1995 InventoresNobuyuki IchimiyaShin KinouchiSeishi NamiokaShinichi Sasagawa Cesionario originalAlps Electric Co., Ltd. Clasificaci�n de EE.UU.340/572.8340/650340/652 Clasificaci�n internacionalG08B13/14G08B13/22G08B13/12 Clasificaci�n cooperativaG08B13/1454 Clasificaci�n europeaG08B13/14H2ReferenciasCitas de patentes (4) Citada por (8)Enlaces externosUSPTO Cesi�n de USPTO EspacenetAntitheft security tag and electronic article surveillance security systemUS 5689237 A Resumen An antitheft security tag is used in combination with an article surveillance security system. The antitheft security tag comprises a tagging part to be tagged to an article, formed by looping a two-core cable having two insulated copper wires or the like, a connecting part formed out of a cable, to be connected to the article surveillance security system, a joining part for joining the tagging part to the connecting part, and a resistor contained in the joining part and connected in series to the wires of the two-core cable forming the tagging loop. One end of the connecting part to be connected to the article surveillance security system is provided with a connector to be connected to the article surveillance security system. The article surveillance security system monitors the resistance of the antitheft security tag for article surveillance and detects unauthorized tampering with the antitheft security tag through the detection of a change in the resistance of the antitheft security tag.
What is claimed is: 1. An antitheft security tag to be used in combination with an article surveillance security system, said antitheft security tag comprising; a tagging part to be tagged to an article, formed by looping a two-core cable; a connecting part formed out of a cable, to be connected to the article surveillance security system; a joining part for joining the tagging part to the connecting part; and a resistor contained in the joining part and connected in series to the wires of the two-core cable forming the tagging loop, wherein said foregoing components are connected so as to form a single electrical loop.
2. An antitheft security tag according to claim 1, wherein the cable forming the connecting part is a two-core cable.
6. An antitheft security tag to be used in combination with an article surveillance security system, said antitheft security tag comprising; a tagging part to be tagged to an article, formed by looping a two-core cable having two distributed-resistance wires; a connecting part formed out of a cable, to be connected to the article surveillance security system; and a joining part for joining the tagging part to the connecting part, wherein the free ends of the two distributed-resistance wires of said two-core cable are joined together in said joining part, and said foregoing components are connected so as to form a single electrical loop.
7. An antitheft security tag according to claim 6, wherein the cable forming the connecting part is a two-core cable.
DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS. 1 and 2, an antitheft security tag in a first embodiment according to the present invention comprises a connecting part 1, a tagging part 2 to be twined around an article 7, a joining part 3, a resistor 4 and a connector 6. The tagging part 2 is formed by looping a two-core cable having two insulated conductive wires 5 of copper or the like. The connecting part 1 to be connected to an article surveillance security system, not shown, is a two-core cable having two conductive wires 5. The connecting part 1 is joined to the tagging part 2 in the joining part 3, and the resistor 4 is connected in series to the conductive wires 5 of the two-core cable forming the tagging part 2. The connector 6 for connecting the antitheft security tag is connected to the free ends of the conductive wires 5 of the two-core cable forming the connecting part 1.
SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide an antitheft security tag to be used in combination with an article surveillance security system, capable of enabling the article surveillance security system to detect tampering with the loop of the antitheft security tag to steal an article to which the antitheft security tag is attached, and an article surveillance security system that uses such an antitheft security tag.
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