24 Sep 2015

Coaxial travelling wave throws a curve for RFID antenna design

Using a coaxial travelling-wave concept, Harting has created the Ha-VIS Lochfield RFID anntenna which it says offers a compact package. The antenna is adaptable to every customer application, says the company.

Modern industrial RFID systems allow components and packages to be followed in real time, with a multitude of options for process security and transparency. However, there is generally very little space available around belt conveyors, and RFID antennas are limited in that they cannot map curved tracks, restricting a customer’s capability to track and trace production history at every point in the process.

This design requires minimum space as it consists only of an industrial-grade coaxial line. The antenna cable is mechanically flexible and can therefore be installed and laid in any given shape according to specific customer applications. This includes the ability to lay it around the curves of conveyor belts.

Users can design a tailored UHF RFID reading zone, making challenging applications possible, including RFID installations in smart shelves, 19inch racks, complex machines, doors and pass-throughs, all with reduced costs and maximum ease of installation, claims the company.

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