Invention Application
US20140132399A1 Apparatus and Method for Communicating with an RFID Transponder 有权
用于与RFID应答器进行通信的装置和方法

  • Patent Title: Apparatus and Method for Communicating with an RFID Transponder
  • Patent Title (中): 用于与RFID应答器进行通信的装置和方法
  • Application No.: US14069315
    Application Date: 2013-10-31
  • Publication No.: US20140132399A1
    Publication Date: 2014-05-15
  • Inventor: Karl TorchalskiDaniel F. Donato
  • Applicant: ZIH CORP.
  • Applicant Address: US IL Lincolnshire
  • Assignee: ZIH CORP.
  • Current Assignee: ZIH CORP.
  • Current Assignee Address: US IL Lincolnshire
  • Main IPC: H04B5/00
  • IPC: H04B5/00 G06K7/10
Apparatus and Method for Communicating with an RFID Transponder
Abstract:
A system having a UHF RFID transceiver is adapted to communicate exclusively with a single electro-magnetically coupled transponder located in a predetermined confined transponder operating region. The system includes a near field coupling device comprising a plurality of lines connected in parallel with an unmatched load. The near field coupling device may be formed, for example on a printed circuit board with a plurality of electrically interconnected traces and a ground plane. The system establishes, at predetermined transceiver power levels, a mutual electro-magnetic coupling which is selective exclusively for a single transponder located in a defined transponder operating region. Also included are methods for selective communication with the transponder in an apparatus such as a printer-encoder.
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