MULTI-BAND MONOPOLE ANTENNA FOR A MOBILE COMMUNICATIONS DEVICE
First Claim
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1. A clamshell-type multi-band mobile communications device comprising:
- an upper circuit board;
a lower circuit board comprising a ground plane, a feeding point, and communications circuitry, the feeding point being coupled to the communications circuitry;
a multi-band antenna coupled to the communications circuitry and mounted on the lower circuit board, the multi-band antenna comprising;
a common conductor coupled to the feeding point;
a first radiating arm coupled to the common conductor;
a second radiating arm coupled to the common conductor;
an upper housing and a lower housing connected by a hinge, the upper housing enclosing the upper circuit board and the lower housing enclosing the lower circuit board, the hinge enabling the housings and the circuit boards to be folded together into a clamshell configuration and opened into a communications configuration; and
wherein the hinge enables the lower circuit board to be electrically coupled to the upper circuit board.
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Abstract
A multi-band monopole antenna for a mobile communications device includes a common conductor coupled to both a first radiating arm and a second radiating arm. The common conductor includes a feeding port for coupling the antenna to communications circuitry in a mobile communications device. In one embodiment, the first radiating arm includes a space-filling curve. In another embodiment, the first radiating arm includes a meandering section extending from the common conductor in a first direction and a contiguous extended section extending from the meandering section in a second direction.
107 Citations
20 Claims
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1. A clamshell-type multi-band mobile communications device comprising:
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an upper circuit board; a lower circuit board comprising a ground plane, a feeding point, and communications circuitry, the feeding point being coupled to the communications circuitry; a multi-band antenna coupled to the communications circuitry and mounted on the lower circuit board, the multi-band antenna comprising; a common conductor coupled to the feeding point; a first radiating arm coupled to the common conductor; a second radiating arm coupled to the common conductor; an upper housing and a lower housing connected by a hinge, the upper housing enclosing the upper circuit board and the lower housing enclosing the lower circuit board, the hinge enabling the housings and the circuit boards to be folded together into a clamshell configuration and opened into a communications configuration; and wherein the hinge enables the lower circuit board to be electrically coupled to the upper circuit board. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A clamshell-type multi-band mobile communications device comprising:
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an upper circuit board; a lower circuit board comprising a ground plane, a feeding point, and communications circuitry, the feeding point being coupled to the communications circuitry; a multi-band antenna coupled to the communications circuitry and mounted on the lower circuit board, the multi-band antenna comprising; a common conductor coupled to the feeding point; a first radiating arm coupled to the common conductor; a second radiating arm coupled to the common conductor; an upper housing and a lower housing connected by a hinge, the upper housing enclosing the upper circuit board and the lower housing enclosing the lower circuit board, the hinge enabling the housings and the circuit boards to be folded together into a clamshell configuration and opened into a communications configuration; wherein the hinge enables the lower circuit board to be electrically coupled to the upper circuit board; and wherein the first radiating arm has a meandering section extending from the common conductor in a first direction and a substantially-straight section contiguous with the meandering section in a second substantially-opposite direction as the meandering section. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A clamshell-type multi-band mobile communications device comprising:
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an upper circuit board; a lower circuit board comprising a ground plane, a feeding point, and communications circuitry, the feeding point being coupled to the communications circuitry; a multi-band antenna coupled to the communications circuitry and mounted on the lower circuit board, the multi-band antenna comprising; a common conductor coupled to the feeding point; a first radiating arm coupled to the common conductor; a second radiating arm coupled to the common conductor; an upper housing and a lower housing connected by a hinge, the upper housing enclosing the upper circuit board and the lower housing enclosing the lower circuit board, the hinge enabling the housings and the circuit boards to be folded together into a clamshell configuration and opened into a communications configuration; wherein the hinge enables the lower circuit board to be electrically coupled to the upper circuit board; and wherein the first radiating arm comprises a space-filling curve extending from the common conductor in a first direction and a contiguous extended substantially-straight section extending from the meandering section in a second direction, the contiguous extended substantially-straight section extending in a substantially-opposite direction as the meandering section. - View Dependent Claims (20)
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Specification
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Current AssigneeFractus SA
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Original AssigneeFractus SA
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InventorsPuente Baliarda, Carles, Sanz, Alfonso
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current343/893
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CPC Class CodesH01Q 1/243 with built-in antennasH01Q 1/38 formed by a conductive laye...H01Q 19/005 Patch antenna using one or ...H01Q 21/30 Combinations of separate an...H01Q 5/371 Branching current pathsH01Q 9/40 Element having extended rad...H01Q 9/42 with folded element, the fo...
