BROADBAND ANTENNA WITH MULTIPLE ASSOCIATED PATCHES AND COPLANAR GROUNDING FOR RFID APPLICATIONS
First Claim
1. An antenna for use in a radio frequency identification system with radio frequency (RF) signals comprising:
- a reference ground;
an antenna feed;
a primary patch antenna element for mid-field transmission and reception of the RF signals, wherein the primary patch antenna element is electrically coupled to the antenna feed; and
one or more additional patch antenna elements for mid-field transmission and reception of the RF signals, wherein each of the one or more additional patch antenna elements is electrically connected to an edge of the primary patch antenna element for transmission and reception of the RF signals and wherein the one or more additional patch antenna elements provide for gain enhancement of the RF signals.
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Accused Products
Abstract
Described herein is an antenna for use with a radio frequency identification system, the antenna including a reference ground; an antenna feed; a primary patch antenna element for mid-field transmission and reception of one of HP and UHF signals, wherein the primary patch antenna element is electrically coupled to the antenna feed; and one or more additional patch antenna elements for mid-field transmission and reception of the one of HF and UHF broadband signals, wherein each of the one or more additional patch antenna elements is electrically connected to an edge of the primary patch antenna element for transmission and reception of the one of HF and UHF signals. The one or more additional patch antenna elements provide for gain enhancement of the one of HF and UHF signals.
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Citations
21 Claims
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1. An antenna for use in a radio frequency identification system with radio frequency (RF) signals comprising:
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a reference ground; an antenna feed; a primary patch antenna element for mid-field transmission and reception of the RF signals, wherein the primary patch antenna element is electrically coupled to the antenna feed; and one or more additional patch antenna elements for mid-field transmission and reception of the RF signals, wherein each of the one or more additional patch antenna elements is electrically connected to an edge of the primary patch antenna element for transmission and reception of the RF signals and wherein the one or more additional patch antenna elements provide for gain enhancement of the RF signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. An antenna for use in a radio frequency identification system with radio frequency (RF) signals comprising:
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a reference ground; an antenna feed; a patch antenna element for mid-field transmission and reception of the RF signals, wherein the patch antenna element is electrically coupled to the antenna feed; and a DC short connection between an edge of the patch antenna element and the reference ground, wherein the DC short connection between the patch antenna element and the reference ground does not substantially interfere with the RF signals, wherein the DC short connection provides an electrostatic discharge path from the patch antenna to the reference ground for electrostatic pulses. - View Dependent Claims (18, 19, 20, 21)
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Specification