Antenna system for radio frequency identification

Claim 2

An antenna comprising: an electrically conductive portion defined substantially by a self-similar geometry present at multiple resolutions, wherein the electrically conductive portion includes two or more angular bends and is configured to radiate broadband electromagnetic energy, wherein the electrically conductive portion includes an element defined substantially by a V-shaped geometry, wherein the angular bends of the electrically conductive portion include vertices, each having an acute included angle; and an electrically non-conductive portion that structurally supports the electrically conductive portion.

Claim 3

The antenna of claim 1 , wherein the electrically conductive portion includes an element defined substantially by a rectangular geometry.

Claim 4

The antenna of claim 1 , wherein the geometry of self-similarity at multiple resolutions includes a deterministic fractal.

Claim 5

The antenna of claim 1 , wherein the broadband electromagnetic energy radiates substantially within a 10:1 ratio frequency band.

Claim 6

The antenna of claim 1 , wherein the broadband electromagnetic energy radiates substantially within a 50:1 ratio frequency band.

Claim 7

The antenna of claim 1 , wherein the broadband electromagnetic energy radiates between 400 MHz and 6000 MHz.

Claim 8

The antenna of claim 1 , wherein the electrically conductive portion includes a ground plane.

Claim 9

The antenna of claim 1 , wherein the conductive material is metallic.

Claim 10

A radio frequency identification system comprising: an antenna including, an electrically conductive portion defined substantially by a self-similar geometry present at multiple resolutions, wherein the electrically conductive portion includes two or more angular bends and is configured to radiate broadband electromagnetic energy, wherein the electrically conductive portion includes an element defined substantially by a V-shaped geometry, wherein the angular bends of the electrically conductive portion include vertices, each having an acute included angle, and an electrically non-conductive portion that structurally supports the electrically conductive portion; and an integrated circuit in communication with the antenna, wherein the integrated circuit is configured to respond to an electromagnetic signal received by the antenna.

Claim 11

A radio frequency identification system comprising: an antenna including, an electrically conductive portion defined substantially by a self-similar geometry present at multiple resolutions, wherein the electrically conductive portion includes two or more angular bends and is configured to radiate broadband electromagnetic energy, wherein the electrically conductive portion includes an element defined substantially by a V-shaped geometry, wherein the angular bends of the electrically conductive portion include vertices, each having an acute included angle, and an electrically non-conductive portion that structurally supports the electrically conductive portion; and an integrated circuit in communication with the antenna, wherein the integrated circuit is configured to respond to an electromagnetic signal received by the antenna.

Claim 12

The radio frequency identification system of claim 9 , wherein the broadband electromagnetic energy radiates within a 10:1 ratio frequency band.

Claim 13

The radio frequency identification system of claim 9 , wherein the broadband electromagnetic energy radiates within a 50:1 ratio frequency band.

Claim 14

The radio frequency identification system of claim 9 , wherein the antenna includes a dipole geometry.

Claim 15

The radio frequency identification system of claim 9 , wherein the antenna includes a monopole geometry.

Claim 16

The radio frequency identification system of claim 9 , wherein the antenna is surface mounted.

Claim 17

The radio frequency identification system of claim 9 , wherein the electrically non-conductive portion includes a dielectric material.

Claim 18

The radio frequency identification system of claim 9 , wherein the antenna is configured to provide a substantially constant output impedance across a broad frequency band.

Claim 19

The radio frequency identification system of claim 9 wherein the integrated circuit is configured to initiate transmitting of an electromagnetic signal at the antenna.