公开(公告)号：EP3032509A3

公开(公告)日：2017-03-22

申请号：EP15198287.3

申请日：2015-12-07

申请人： Checkpoint Systems, Inc.

发明人： ZENG, Kefeng

IPC分类号： G08B13/24 ,  E05B73/00 ,  G06K19/00

CPC分类号： G08B13/1409 ,  E05B73/0017 ,  G08B13/2428 ,  G08B13/2434 ,  G08B13/2448 ,  G08B13/2474 ,  H01Q1/2225 ,  H01Q21/28

摘要： A device and system utilizing the ground plane of a printed circuit board (PCB) for an antenna. In one embodiment, the device can be a tag comprising a housing forming a housing cavity; a PCB positioned in the housing cavity, wherein the PCB comprises a ground plane forming an antenna; and a first circuit operably coupled to the antenna.

摘要翻译： 利用用于天线的印刷电路板（PCB）的接地层的装置和系统。 在一个实施例中，该装置可以是包括形成壳体空腔的壳体的标签; 位于所述壳体腔中的PCB，其中所述PCB包括形成天线的接地平面; 以及可操作地耦合到所述天线的第一电路。

公开(公告)号：EP3032509A2

公开(公告)日：2016-06-15

申请号：EP15198287.3

申请日：2015-12-07

申请人： Checkpoint Systems, Inc.

发明人： ZENG, Kefeng

IPC分类号： G08B13/24 ,  E05B73/00 ,  G06K19/00

CPC分类号： G08B13/1409 ,  E05B73/0017 ,  G08B13/2428 ,  G08B13/2434 ,  G08B13/2448 ,  G08B13/2474 ,  H01Q1/2225 ,  H01Q21/28

摘要： A device and system utilizing the ground plane of a printed circuit board (PCB) for an antenna. In one embodiment, the device can be a tag comprising a housing forming a housing cavity; a PCB positioned in the housing cavity, wherein the PCB comprises a ground plane forming an antenna; and a first circuit operably coupled to the antenna.

公开(公告)号：EP2425489A1

公开(公告)日：2012-03-07

申请号：EP09792044.1

申请日：2009-08-28

申请人： Checkpoint Systems Inc.

发明人： OUNG, Harry ,  ZENG, Kefeng

IPC分类号： H01Q3/26 ,  H01Q7/00 ,  H01Q1/22 ,  G06K7/08 ,  G06K7/10

CPC分类号： H01Q1/2216 ,  G08B13/2471 ,  G08B13/2474 ,  G08B13/2477 ,  H01Q3/26 ,  H01Q7/00 ,  H01Q7/06

摘要： This invention relates to dynamically controlled, electronic article surveillance (EAS) systems whereby an array of antenna elements is digitally phased and actively driven for concurrent transmission, and digitally phased and combined in the receiver unit to improve detection. In particular, the individual frequency and phase of the plurality of the transmit/receive signals are rapidly varied to allow for automated manipulation (steering) of the transmit field pattern and receive field sensitivity. The invention achieves the following features via means of digital phasing and dynamic computer control: sufficient far-field cancellation, null-free detection and uncompromised detection performance regardless of tag's orientation while using single transmission drivers to drive entire antenna structures, whether loop antenna or ferrite core antenna, using a phase coupler, thereby allowing more efficient system operation or additional features such as deactivator antenna operation.

公开(公告)号：EP2153491A2

公开(公告)日：2010-02-17

申请号：EP08770369.0

申请日：2008-06-06

申请人： Checkpoint Systems, Inc.

发明人： OUNG, Harry ,  ZENG, Kefeng

IPC分类号： H01Q3/26 ,  H01Q7/00 ,  H01Q1/22 ,  G06K7/08 ,  G08B13/24

CPC分类号： H01Q1/2216 ,  H01Q3/26 ,  H01Q7/00 ,  H01Q19/134

摘要： This invention relates to dynamically controlled, electronic article surveillance (EAS) systems whereby an array of antenna elements (Ant. 1, Ant. 2,...) is digitally phased and actively driven for concurrent transmission, and digitally phased and combined in the receiver unit (24) to improve security tag detection. In particular, the individual frequency and phase of the plurality of the transmit/receive signals are rapidly varied to allow for automated manipulation (steering) of the transmit field pattern and receive field sensitivity. It is the object of this invention to achieve the following features via means of digital phasing and dynamic computer control: sufficient far-field cancellation, null-free detection and uncompromised detection performance regardless of tag's orientation.