Multi-band printed monopole antenna
First Claim
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1. A multi-band antenna for an electronic device comprising:
- a substrate;
a ground trace disposed on a first surface of the substrate;
a first radiating trace and a second radiating trace both disposed on an opposite surface of the substrate; and
a feeder cable comprising an inner conductor connecting with the first and second radiating traces and a conductive outer shield connecting with the ground trace;
wherein the first radiating trace, the ground trace and the feeder cable form a first monopole antenna operating at a first frequency band;
the second radiating trace, the ground trace and the feeder cable form a second monopole antenna operating at a second frequency band.
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Abstract
A multi-band printed monopole antenna (1) includes a substrate (2), a ground portion (5) disposed on a lower surface of the substrate, a first and a second radiating traces (3,4) disposed on an upper surface of the substrate and a feeder cable (6) getting through the substrate. The first radiating trace, the ground trace and the feeder cable form a first monopole antenna operating ate a first frequency band; the second radiating trace, the ground trace and the feeder cable form a second monopole antenna operating at a second monopole antenna.
11 Citations
12 Claims
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1. A multi-band antenna for an electronic device comprising:
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a substrate;
a ground trace disposed on a first surface of the substrate;
a first radiating trace and a second radiating trace both disposed on an opposite surface of the substrate; and
a feeder cable comprising an inner conductor connecting with the first and second radiating traces and a conductive outer shield connecting with the ground trace;
wherein the first radiating trace, the ground trace and the feeder cable form a first monopole antenna operating at a first frequency band;
the second radiating trace, the ground trace and the feeder cable form a second monopole antenna operating at a second frequency band. - View Dependent Claims (2, 3, 4, 5)
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6. A multi-band antenna for an electronic device operated in a first and second frequency bands comprising:
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a substrate;
a ground portion disposed on the substrate;
a first and a second monopole antenna having a common feeder point disposed on a first surface substrate;
a feed cable having an inner conductor getting through from a second surface to the first surface to solder onto the common feeder point and a conductive outer shield solder onto the ground portion. - View Dependent Claims (7, 8)
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9. A multi-band antenna comprising:
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a substrate defining two opposite first and second surfaces;
a ground trace formed on the first surface;
a first radiating trace defining mainly a straight section, and a meandering second radiating trace both extending on the second surface; and
a feeder cable extending through a through hole the substrate from the first surface to the second surface with an inner conductor connected to the both said first and second radiating traces and an outer conductor connected to the ground trace;
whereinsaid first radiating trace is wider but shorter than the second radiating trace. - View Dependent Claims (10, 11, 12)
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Specification