公开(公告)号：EP1966774A4

公开(公告)日：2009-11-11

申请号：EP06836886

申请日：2006-11-03

Applicant: SYMBOL TECHNOLOGIES INC

Inventor： KNADLE RICHARD T JR ,  DURON MARK

IPC: H01Q1/32 ,  G06K19/06

CPC classification number: G06K7/0008 ,  B66F9/0755 ,  G06K7/10316 ,  H01Q1/2216 ,  H01Q9/0435

公开(公告)号：EP1629443A4

公开(公告)日：2009-04-01

申请号：EP04750843

申请日：2004-04-27

Applicant: SYMBOL TECHNOLOGIES INC

Inventor： BRIDGELALL RAJ ,  DURON MARK ,  KNADLE RICHARD ,  CHARYCH HAL ,  NUDELMAN AVI

IPC: G08B13/14 ,  G06K20060101 ,  G06K19/077 ,  H01Q3/00 ,  H01Q9/00 ,  H01Q9/16

CPC classification number: G06K19/07786 ,  G06K7/10178 ,  G06K19/07749 ,  G06K19/07771 ,  G06K19/07796

Abstract: An RFID relay device for an RFID transponder and methods are provided for relaying an RFID signal. The RFID relay device comprises at least two antenna and a transmission line coupling the at least two antenna. In addition to the two antenna and the transmission line, the RFID relay device comprises an impedance adjusting circuit coupled to the transmission line and configured for coupling to the RFID transponder.