Electronic device with patch antenna
First Claim
1. An electronic device, comprising:
- a housing having a metal wall that serves as an antenna ground for a patch antenna;
a printed circuit mounted in the housing;
a wireless transceiver coupled to the patch antenna;
a button mounted on the printed circuit; and
control circuitry coupled to the button, the printed circuit having a metal layer that forms an antenna resonating element for the patch antenna, the antenna resonating element forming a ground electrode for the button and the control circuitry, and the button having an additional electrode separated from the ground electrode and connected to the control circuitry.
1 Assignment
0 Petitions
Accused Products
Abstract
An electronic device may be provided with wireless circuitry that includes a radio-frequency transceiver circuit and an antenna. The antenna may be a patch antenna formed from a patch antenna resonating element and an antenna ground. The patch antenna resonating element may be formed from a metal patch on a printed circuit board. The antenna ground may be formed from a metal housing having a planar rear wall that lies in a plane parallel to the metal patch. The radio-frequency transceiver circuit may be coupled to the metal patch through traces on the printed circuit and may be coupled to rear wall of the housing through a screw and a screw boss in the housing. Buttons and other electrical components may be mounted on the printed circuit board and may be coupled to control circuitry on the printed circuit board through the metal patch.
31 Citations
20 Claims
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1. An electronic device, comprising:
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a housing having a metal wall that serves as an antenna ground for a patch antenna; a printed circuit mounted in the housing; a wireless transceiver coupled to the patch antenna; a button mounted on the printed circuit; and control circuitry coupled to the button, the printed circuit having a metal layer that forms an antenna resonating element for the patch antenna, the antenna resonating element forming a ground electrode for the button and the control circuitry, and the button having an additional electrode separated from the ground electrode and connected to the control circuitry. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An electronic device, comprising:
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a housing having a metal portion that serves as an antenna ground for an antenna; a printed circuit board having a metal layer; wireless transceiver circuitry mounted to the printed circuit board; a control circuit mounted to the printed circuit board; and a plurality of buttons mounted to the printed circuit board, wherein each button has an electrode, a compressible dome member formed over the electrode, and a metal coating on the inner surface of the compressible dome member, each metal coating is electrically connected to the metal layer, the metal layer and the metal coating of each button form an antenna resonating element for the antenna, the metal layer has an extended portion that carries signals to the control circuit, and the metal coating of a respective button is configured to directly contact the electrode of that button when that button is pressed. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. An electronic device, comprising:
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a metal housing that forms an antenna ground in a patch antenna; a printed circuit board; a metal patch formed from a metal layer on the printed circuit board, wherein the metal patch forms an antenna resonating element in the patch antenna; a button mounted to the printed circuit board; and a control circuit mounted to the printed circuit board, wherein the metal patch is configured to convey a button signal between the button and the control circuit. - View Dependent Claims (17, 18, 19, 20)
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Specification