发明名称 JAMMING APPARATUS FOR ELECTRONIC ARTICLE SURVEILLANCE SYSTEMS
摘要 In an electronic article surveillance system, a jamming apparatus is provided for establishing a jamming zone in which tags can be situated and not respond to message signals from a surveillance system transmitter and in which the surveillance system receiver can be situated and still respond to tag signals.
申请公布号 CA2048940(A1) 申请公布日期 1992.05.27
申请号 CA19912048940 申请日期 1991.08.12
申请人 SENSORMATIC ELECTRONICS CORPORATION 发明人 DRUCKER, FRANK;SZKLANY, CRAIG
分类号 G08B21/00;G08B13/22;G08B13/24;G08B21/24;G08B25/00;G08B25/10;(IPC1-7):G08B29/00 主分类号 G08B21/00
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