Dual Band Stacked Patch Antenna
First Claim
1. A dual band patch antenna comprising:
- a first patch antenna arrangement configured to receive signals in a first frequency band;
a second patch antenna arrangement coupled to, and stacked on, the first patch antenna arrangement, the second patch antenna arrangement being configured to receive signals in a second frequency band; and
only one signal feed shared by both the first patch antenna arrangement and the second patch antenna arrangement.
7 Assignments
0 Petitions
Accused Products
Abstract
One or more of the embodiments of a dual band stacked patch antenna described herein employ an integrated arrangement of a global positioning system (GPS) antenna and a satellite digital audio radio service (SDARS) antenna. The dual band antenna receives right hand circularly polarized GPS signals in a first frequency band, left hand circularly polarized SDARS signals in a second frequency band, and vertical linear polarized SDARS signals in the second band. The dual band antenna includes a ground plane element, an upper radiating element (which is primarily utilized to receive SDARS signals), dielectric material between the ground plane element and the upper radiating element, and a lower radiating element (which is primarily utilized to receive GPS signals) surrounded by the dielectric material. The dual band antenna uses only one conductive signal feed to receive both GPS and SDARS signals.
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Citations
20 Claims
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1. A dual band patch antenna comprising:
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a first patch antenna arrangement configured to receive signals in a first frequency band; a second patch antenna arrangement coupled to, and stacked on, the first patch antenna arrangement, the second patch antenna arrangement being configured to receive signals in a second frequency band; and only one signal feed shared by both the first patch antenna arrangement and the second patch antenna arrangement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A dual band patch antenna comprising:
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a first antenna arrangement comprising a ground plane element, a first radiating element, and a first dielectric layer coupled between the ground plane element and the first radiating element; a second antenna arrangement coupled to the first antenna arrangement, the second antenna arrangement comprising a second radiating element and a second dielectric layer coupled to the second radiating element, and the second antenna arrangement being coupled to the first antenna arrangement such that the first radiating element is located between the first dielectric layer and the second dielectric layer; and a signal feed shared by both the first antenna arrangement and the second antenna arrangement. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A dual band patch antenna comprising:
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a ground plane element having a signal port formed therein; an upper radiating element; dielectric material between the ground plane element and the upper radiating element; a lower radiating element located within the dielectric material, the lower radiating element comprising an aperture formed therein; and only one signal feed for both the upper radiating element and the lower radiating element, the signal feed being connected to the upper radiating element, and the signal feed extending through the dielectric material, through the aperture without contacting the lower radiating element, and through the signal port without contacting the ground plane element;
whereinthe lower radiating element, the dielectric material, the signal feed, and the ground plane element cooperate to receive signals in a first frequency band; and the upper radiating element, the dielectric material, the signal feed, and the ground plane element cooperate to receive signals in a second frequency band. - View Dependent Claims (18, 19, 20)
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Specification