Stack-up configuration for a wireless communication device
First Claim
1. An assembly stack-up configuration for a wireless communication device, the assembly arrangement comprising:
- a main circuit board for holding a plurality of communication circuits, the main circuit board comprising a top surface and a bottom surface;
a battery having a battery upper surface and a battery lower surface, the battery located above the top surface of the main circuit board;
a display positioned above at least a portion of the battery upper surface such that the battery is positioned between the main circuit board and the display; and
at least one shield located below the bottom surface of the main circuit board for shielding at least one circuit of the plurality of communication circuits.
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Accused Products
Abstract
A stack-up configuration for a wireless communication device includes a display and keypad on a front face of a housing for the device. A battery for providing power to the components of the wireless communication device is stacked behind the display. A circuit board that holds processing and RF circuitry for the wireless communication device is stacked behind the battery, with a top surface of the circuit board adjacent the battery. Noisy circuitry on the circuit board is covered by shielding on a back surface of the circuit board. An external or internal antenna is connected to the circuit board at a feed point. The antenna in one embodiment of the invention is stacked behind the circuit board, that is, between a back face of the housing and the back surface of the circuit board. The location of the battery between the display and the circuit board lowers the amount of energy radiating from the wireless communications device in the concerned near field range.
36 Citations
21 Claims
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1. An assembly stack-up configuration for a wireless communication device, the assembly arrangement comprising:
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a main circuit board for holding a plurality of communication circuits, the main circuit board comprising a top surface and a bottom surface;
a battery having a battery upper surface and a battery lower surface, the battery located above the top surface of the main circuit board;
a display positioned above at least a portion of the battery upper surface such that the battery is positioned between the main circuit board and the display; and
at least one shield located below the bottom surface of the main circuit board for shielding at least one circuit of the plurality of communication circuits. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A wireless communication device assembly comprising:
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a housing means comprising;
an upper housing surface, a lower housing surface, and at least one side surface;
at least one circuit board housed in the housing means comprising a top surface and a bottom surface, the at least one circuit board for holding processing circuitry;
display means housed in the housing means adjacent the top surface of the housing; and
a battery housed in the housing, and positioned between the display and the top circuit of the at least one circuit board. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method for assembling a wireless communication device within a housing, comprising the steps of:
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attaching at least one circuit board with a plurality of electrical components in a bottom portion of the housing, the at least one circuit board comprising a upper surface and a lower surface;
attaching a battery within the housing and above the top surface of the at least one circuit board; and
attaching a display within the housing and above the battery. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A wireless communication device comprising:
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a power supply connected to a top surface of a circuit board, the power supply for powering electronic components of the wireless communication device, the power supply having a first surface adjacent the circuit board and a second surface substantially parallel to the first surface;
the circuit board for holding a plurality of electrical circuits comprising radio frequency (RF) circuits for receiving and transmitting RF signals and processing circuits for controlling the electronic components; and
a display connected to the circuit board and above the second surface of the power supply, the display controlled by the processing circuits. - View Dependent Claims (20, 21)
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Specification