Electric shielding enclosure including power pack

Patent metadata

Field	Value
Publication number	US-9247681-B2
Application number	US-201313852357-A
Country	US
Kind code	B2
Filing date	Mar 28, 2013
Priority date	Mar 28, 2013
Publication date	Jan 26, 2016
Grant date	Jan 26, 2016

Abstract

An electric shielding enclosure that encloses a volume. The electric shielding enclosure includes a conductive structure that partially encloses the volume and that has an edge defining an opening into the volume. A conductive power pack surface is configured to fill at least a part of the opening and has a number of conductive connections. The conductive connections include a first conductive connection located in proximity to a first point of the edge, and a second conductive connection located in proximity to a second point of the edge, where the second point is across the opening from the first point. Each of the conductive connections within the conductive connections is electrically coupled to the conductive structure.

First claim

What is claimed is:

1. An electric shielding enclosure, comprising:
a conductive structure comprising a continuous conductive surface partially enclosing a volume, the conductive structure comprising an edge defining an opening into the volume; and
a conductive power pack surface that is electrically coupled across the conductive power pack surface and positioned at a location that is in proximity to the opening, the conductive power pack surface extending across and closing at least a part of the opening, the conductive structure and the conductive power pack surface positioned at the location forming a conductive enclosure that provides an electromagnetic shield for the volume,
the conductive power pack surface comprising a plurality of conductive connections, the plurality of conductive connections comprising:
a first conductive connection electrically coupled at a first point to the conductive power pack surface; and
a second conductive connection electrically coupled at a second point to the conductive power pack surface,
wherein the second point is located across the opening from the first point, and

each of the conductive connections within the conductive connections is electrically coupled to the conductive structure.

2. The electric shielding enclosure of claim 1 , wherein the conductive power pack surface at the first point and at the second point comprises a negative electrode of a battery contained within the conductive power pack surface.

3. The electric shielding enclosure of claim 1 , the conductive power pack surface having a respective length in each of three orthogonal dimensions,
the respective length in each of the three orthogonal dimensions comprising a longest length in a first dimension within the three orthogonal dimensions, the longest length separating a first edge and a second edge of the conductive power pack surface,
wherein the first point is near the first edge and the second point is near the second edge.

4. The electric shielding enclosure of claim 1 , wherein the conductive power pack surface comprises an exposed negative electrode of a battery contained within the conductive power pack surface and the conductive power pack surface is ohmically coupled to the exposed negative electrode of a battery and to the conductive structure, and
wherein the plurality of conductive connections comprise electrical coupling between the exposed negative electrode and the conductive structure partially enclosing the volume.

5. The electric shielding enclosure of claim 4 , wherein the conductive structure is electrically coupled to the exposed negative electrode at a plurality of locations along the edge defining the opening.

6. The electric shielding enclosure of claim 4 , wherein the conductive structure is electrically coupled to the conductive power pack surface along substantially an entirety of the edge defining the opening.

7. The electric shielding enclosure of claim 1 , the conductive structure at least partially enclosing an electronic circuit, and wherein the conductive structure comprises a conductor forming a ground plane extending under the electronic circuit that is enclosed by the conductive structure.

8. An electronic device, comprising:
a case;
a conductive structure located at least partially within the case, the conductive structure comprising a continuous conductive surface partially enclosing a volume within the case, the conductive structure comprising an edge defining an opening into the volume; and
a conductive power pack surface that is electrically coupled across the conductive power pack surface and positioned at a location that is in proximity to the opening, the conductive power pack surface extending across and closing at least a part of the opening when physically coupled to the case, the conductive structure and the conductive power pack surface positioned at the location forming a conductive enclosure that provides an electromagnetic shield for the volume,
the conductive power pack surface comprising a plurality of conductive connections, the plurality of conductive connections comprising:
a first conductive connection electrically coupled at a first point to the conductive power pack surface; and
a second conductive connection electrically coupled at a second point to the conductive power pack surface,
wherein the second point is located across the opening from the first point, and

each of the conductive connections within the conductive connections is electrically coupled to the conductive structure.

9. The electronic device of claim 8 , wherein the conductive power pack surface at the first point and at the second point comprises a negative electrode of a battery contained within the conductive power pack surface.

10. The electronic device of claim 8 , the conductive power pack surface having a respective length in each of three orthogonal dimensions,
the respective length in each of the three orthogonal dimensions comprising a longest length in a first dimension within the three orthogonal dimensions, the longest length separating a first edge and a second edge of the conductive power pack surface,
wherein the first point is near the first edge and the second point is near the second edge.

11. The electronic device of claim 8 , wherein the conductive power pack surface comprises an exposed negative electrode of a battery contained within the conductive power pack surface and the conductive power pack surface is ohmically coupled to the exposed negative electrode of a battery and to the conductive structure, and wherein the plurality of conductive connections comprise electrical coupling between the exposed negative electrode and the conductive structure partially enclosing the volume.

12. The electronic device of claim 11 , wherein the conductive structure is electrically coupled to the exposed negative electrode at a plurality of locations along the edge defining the opening.

13. The electronic device of claim 11 , wherein the conductive structure is electrically coupled to the conductive power pack surface along substantially an entirety of the edge defining the opening.

14. The electronic device of claim 8 , the conductive structure at least partially enclosing an electronic circuit, and wherein the conductive structure comprises a conductor forming a ground plane extending under the electronic circuit that is enclosed by the conductive structure.

Assignees

• Research In Motion Ltd
• Blackberry Ltd

Inventors

• Patino Joseph

Classifications

• H05K9/0024 Primary

  Shield cases mounted on a PCB, e.g. cans or caps or conformal shields · CPC title

• H05K9/0032

  having multiple parts, e.g. frames mating with lids · CPC title