Rfid near field linear microstrip antenna

Details Rfid near field linear microstrip antenna Rfid near field linear microstrip antenna

H - Electricity

01

Q

H01Q 1/38 (2006.01) H01Q 1/22 (2006.01) H01Q 9/06 (2006.01) H01Q 13/08 (2006.01)

Patent

CA 2585492

A near field linear element microstrip antenna is disclosed which is configured to read an RFID label such that a localized electric E field emitted by the antenna at an operating wavelength resides substantially within a zone defined by the near field. The localized E field directs a current distribution along an effective length of the antenna corresponding to a half- wave to a full-wave structure.

L'invention concerne une antenne microruban à élément linéaire, de champ proche, qui est conçue pour lire une étiquette RFID de sorte qu'un champ électrique E localisé émis par l'antenne à une longueur d'onde de fonctionnement demeure sensiblement à l'intérieur d'une zone définie par le champ proche. Le champ électrique E dirige une distribution de courant le long d'une longueur efficace de l'antenne correspondant à une structure demi-onde à pleine onde.

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