Wireless electronic module
First Claim
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1. A wireless electronic module arranged to operate at a predetermined radio frequency, comprising:
- a folded monopole antenna having a grounded end connected to a ground plane and an open end, wherein the folded monopole antenna is folded around a corner of the electronic module and is connected to a support strip isolated from the ground plane, the support strip forming an antenna port having a reactive antenna port impedance at the predetermined frequency; and
an electronic circuit connected to the antenna port, wherein the antenna port is positioned along the monopole antenna such that the electronic circuit has an impedance conjugately matching the reactive antenna port impedance at the predetermined frequency.
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Abstract
A wireless electronic module includes a folded monopole antenna having an antenna port impedance which is reactive at the RF frequency of operation and which conjugately matches the reactive impedance of the electronic circuit which connects to the antenna port. A grounded shield is interposed between the antenna and the electronic circuit to reduce RF losses at the antenna.
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Citations
13 Claims
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1. A wireless electronic module arranged to operate at a predetermined radio frequency, comprising:
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a folded monopole antenna having a grounded end connected to a ground plane and an open end, wherein the folded monopole antenna is folded around a corner of the electronic module and is connected to a support strip isolated from the ground plane, the support strip forming an antenna port having a reactive antenna port impedance at the predetermined frequency; and an electronic circuit connected to the antenna port, wherein the antenna port is positioned along the monopole antenna such that the electronic circuit has an impedance conjugately matching the reactive antenna port impedance at the predetermined frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification