Data communication terminal apparatus
First Claim
Patent Images
1. A data communication terminal apparatus comprising:
- a printed circuit board including;
an insulating layer having a first surface and a second surface, anda ground plane placed on the second surface,wherein the printed circuit board has a rectangular shape in plan view, andwherein the ground plane has a rectangular-shaped cutoff area placed at a corner of the printed circuit board in plan view, the ground plane having a first side and a second side along the cutoff area;
a connector placed at an end portion of the printed circuit board and provided on the first surface, the connector being placed adjacent to the cutoff area in plan view;
a capacitor placed at the second side in plan view; and
an antenna formed of a conductive line and placed on the first surface or the second surface in the cutoff area in plan view, the antenna having a first end and a second end,wherein the first end of the antenna is a feeding portion located at the first side in plan view,wherein the second end of the antenna is connected to the second side of the ground plane via the capacitor, andwherein the antenna is bent in L shape between the first end and the second end along two sides of the printed circuit board and forms a loop with the first side and the second side of the ground plane.
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Abstract
A data communication terminal apparatus is disclosed that includes a printed circuit board, a ground plane formed in the printed circuit board, a connector disposed on an end portion of the printed circuit board, and an antenna configured to have a feeding portion at one end and another end, the other end being connected to the ground plane via a capacitor between the feeding portion and the connector, the antenna forming a loop with the ground plane.
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Citations
14 Claims
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1. A data communication terminal apparatus comprising:
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a printed circuit board including; an insulating layer having a first surface and a second surface, and a ground plane placed on the second surface, wherein the printed circuit board has a rectangular shape in plan view, and wherein the ground plane has a rectangular-shaped cutoff area placed at a corner of the printed circuit board in plan view, the ground plane having a first side and a second side along the cutoff area; a connector placed at an end portion of the printed circuit board and provided on the first surface, the connector being placed adjacent to the cutoff area in plan view; a capacitor placed at the second side in plan view; and an antenna formed of a conductive line and placed on the first surface or the second surface in the cutoff area in plan view, the antenna having a first end and a second end, wherein the first end of the antenna is a feeding portion located at the first side in plan view, wherein the second end of the antenna is connected to the second side of the ground plane via the capacitor, and wherein the antenna is bent in L shape between the first end and the second end along two sides of the printed circuit board and forms a loop with the first side and the second side of the ground plane. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A data communication terminal apparatus comprising:
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a printed circuit board including; an insulating layer having a first surface and a second surface, and a ground plane placed on the second surface, wherein the printed circuit board has a rectangular shape in plan view, and wherein the ground plane has a rectangular-shaped cutoff area placed at a corner of the printed circuit board in plan view, the ground plane having a first side and a second side along the cutoff area; a connector placed at an end portion of the printed circuit board and provided on the first surface, the connector being placed adjacent to the cutoff area in plan view; a capacitor placed at the first side in plan view; and an antenna formed of a conductive line and placed on the first surface or the second surface in the cutoff area in plan view, the antenna having a first end and a second end, wherein the first end of the antenna is a feeding portion located at the second side in plan view, wherein the second end of the antenna is connected to the first side of the ground plane via the capacitor, and wherein the antenna is bent in L shape between the first end and the second end along two sides of the printed circuit board and forms a loop with the first side and the second side of the ground plane. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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Specification
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Current AssigneeFujitsu Limited
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Original AssigneeFujitsu Limited
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InventorsSoekawa, Kouji
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Primary Examiner(s)Wendell, Andrew
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Application NumberUS13/714,536Publication NumberTime in Patent Office991 DaysField of Search455/82, 455/550.1, 455/562.1, 455/575.7, 455/121, 455/129, 343/829, 343/847, 343/859US Class Current1/1CPC Class CodesG06F 1/1698 the I/O peripheral being a ...H01Q 1/2275 associated to expansion car...H01Q 21/28 Combinations of substantial...H01Q 9/42 with folded element, the fo...H04B 1/40 Circuits
