Coil module and electronic apparatus
First Claim
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1. An electronic apparatus comprising:
- a substrate;
an electronic component mounted on the substrate;
a shield member including a first conductive member and covering the electronic component; and
a coil module configured to receive power and comprised of;
a loop coil,a planar magnetic body overlapping the loop coil, anda second conductive member, which is disposed along a surface of the planar magnetic body and different from the first conductive member,wherein the planar magnetic body is disposed between the loop coil and the second conductive member, andthe second conductive member protrudes outward from the planar magnetic body across at least a portion of a circumferential part of the planar magnetic body,wherein at least a part of the first conductive member of the shield member overlaps at least a part of the second conductive member of the coil module, andthe loop coil, the planar magnetic body, and the second conductive member form at least a part of the coil module as a unitary member in the electronic apparatus.
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Abstract
A coil module is disposed inside an electronic apparatus and receives prescribed power. The coil module includes a loop coil, a plate-like magnetic body that is disposed on the loop coil, and a conductive member that has prescribed conductivity and is disposed parallel with the plate-like magnetic body and on a surface, opposite to a surface on which the loop coil is disposed, of the magnetic body. The conductive member projects outward relative to at least a portion of a circumferential surface of the magnetic body.
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Citations
20 Claims
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1. An electronic apparatus comprising:
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a substrate; an electronic component mounted on the substrate; a shield member including a first conductive member and covering the electronic component; and a coil module configured to receive power and comprised of; a loop coil, a planar magnetic body overlapping the loop coil, and a second conductive member, which is disposed along a surface of the planar magnetic body and different from the first conductive member, wherein the planar magnetic body is disposed between the loop coil and the second conductive member, and the second conductive member protrudes outward from the planar magnetic body across at least a portion of a circumferential part of the planar magnetic body, wherein at least a part of the first conductive member of the shield member overlaps at least a part of the second conductive member of the coil module, and the loop coil, the planar magnetic body, and the second conductive member form at least a part of the coil module as a unitary member in the electronic apparatus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. An electronic apparatus comprising:
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a substrate; an electronic component mounted on the substrate; a shield member including a first conductive member and covering the electronic component; and a coil module configured to receive power and comprised of; a loop coil, a planar magnetic body overlapping the loop coil, and a second conductive member, which is disposed along a surface of the planar magnetic body and different from the first conductive member, wherein the planar magnetic body is disposed between the loop coil and the second conductive member, the second conductive member protrudes outward from the planar magnetic body across at least a portion of a circumferential part of the planar magnetic body, the second conductive member protrudes outward from the planar magnetic body to be away from the center of the loop coil across at least the portion of the circumferential part of the planar magnetic body, and the second conductive member protrudes outward from the planar magnetic body across at least half of the circumferential part of the planar magnetic body, wherein the second conductive member of the coil module is disposed between the first conductive member of the shield member and the planar magnetic body of the coil module, the first conductive member of the shield member is disposed between the substrate and the second conductive member of the coil module, at least a part of the first conductive member of the shield member overlaps at least a part of the second conductive member of the coil module, at least a part of the first conductive member of the shield member overlaps at least a part of the planar magnetic body of the coil module and overlaps at least the portion of the circumferential part of the planar magnetic body of the coil module, and the loop coil, the planar magnetic body, and the second conductive member form at least a part of the coil module as a unitary member in the electronic apparatus.
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20. An electronic apparatus comprising:
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a substrate; an electronic component mounted on the substrate; a shield member including a first conductive member and covering the electronic component; a coil module configured to receive power; and a battery configured to be charged with the power received by the coil module, wherein the coil module is comprised of; a loop coil, a planar magnetic body overlapping the loop coil, and a second conductive member, which is disposed along a surface of the planar magnetic body and different from the first conductive member, wherein the planar magnetic body is disposed between the loop coil and the second conductive member, the second conductive member protrudes outward from the planar magnetic body across at least a portion of a circumferential part of the planar magnetic body, the second conductive member protrudes outward from the planar magnetic body to be away from the center of the loop coil across at least the portion of the circumferential part of the planar magnetic body, and the second conductive member protrudes outward from the planar magnetic body across at least half of the circumferential part of the planar magnetic body, wherein the second conductive member of the coil module is disposed between the first conductive member of the shield member and the planar magnetic body of the coil module, the first conductive member of the shield member is disposed between the substrate and the second conductive member of the coil module, at least a part of the first conductive member of the shield member overlaps at least a part of the second conductive member of the coil module, at least a part of the first conductive member of the shield member overlaps at least a part of the planar magnetic body of the coil module and overlaps at least the portion of the circumferential part of the planar magnetic body of the coil module, and the loop coil, the planar magnetic body, and the second conductive member form at least a part of the coil module as a unitary member in the electronic apparatus.
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Specification
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Current AssigneeSovereign Peak Ventures, LLC (Dominion Harbor Enterprises, LLC)
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Original AssigneePanasonic Corporation (Panasonic Holdings Corporation)
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InventorsHirobe, Takanori, Koyanagi, Yoshio, Uejima, Hiroyuki
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Primary Examiner(s)Memula, Suresh
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Application NumberUS15/076,105Publication NumberTime in Patent Office701 DaysField of Search320108US Class CurrentCPC Class CodesH01F 27/2804 Printed windingsH01F 27/2871 Pancake coilsH01F 27/29 Terminals; Tapping arrangem...H01F 27/36 Electric or magnetic shield...H01F 27/363 made of electrically conduc...H01F 38/14 Inductive couplings for wir...H02J 50/005 Mechanical details of housi...H02J 50/10 using inductive couplingH02J 50/70 involving the reduction of ...H02J 7/0042 characterised by the mechan...
