Removable electronic device case with supplemental wireless circuitry
First Claim
1. A removable electronic device case that is configured to mate with an electronic device, wherein the electronic device comprises a connector port and comprises an antenna with an antenna resonance at a desired operating frequency, the removable electronic device case comprising:
- a body that is configured to receive the electronic device and that shifts the antenna resonance away from the desired operating frequency;
a connector that mates with the connector port;
control circuitry that is configured to receive control signals from the electronic device through the connector; and
supplemental antenna structures that are configured to retune the antenna by shifting the antenna resonance back to the desired frequency.
1 Assignment
0 Petitions
Accused Products
Abstract
A removable case may receive an electronic device. A male connector in the case may mate with a female connector in the device. A battery in the case may supply power to the device through the male connector. The electronic device may have an antenna formed from peripheral conductive housing structures and an antenna ground. The antenna may include a slot antenna resonating element. The case may have supplemental antenna structures such as a metal patch that overlaps an end of the slot antenna resonating element to retune the slot antenna resonating element to a desired operating frequency after being detuned by dielectric loading from the case. The supplemental antenna structures may overlap antennas of other types and may include tunable circuitry that is adjusted based on information received from the electronic device.
58 Citations
21 Claims
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1. A removable electronic device case that is configured to mate with an electronic device, wherein the electronic device comprises a connector port and comprises an antenna with an antenna resonance at a desired operating frequency, the removable electronic device case comprising:
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a body that is configured to receive the electronic device and that shifts the antenna resonance away from the desired operating frequency; a connector that mates with the connector port; control circuitry that is configured to receive control signals from the electronic device through the connector; and supplemental antenna structures that are configured to retune the antenna by shifting the antenna resonance back to the desired frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A removable electronic device case that is configured to mate with an electronic device that has an antenna and a connector port, comprising:
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a body that is configured to receive the electronic device; a connector that is configured to mate with the connector port; and supplemental antenna structures that include a tunable component that is adjusted based on signals received through the connector to tune a resonance of the antenna when the body receives the electronic device. - View Dependent Claims (15, 16, 17, 18)
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19. A removable electronic device case that is configured to mate with an electronic device that includes a connector port and that has a slot antenna resonating element with an end, the removable electronic device case comprising:
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a body that is configured to receive the electronic device; a metal patch that is configured to overlap the end of the slot antenna resonating element and shorten a perimeter of the slot antenna resonating element to tune a resonance of the slot antenna resonating element to a desired frequency when the body receives the electronic device; and a connector that is configured to mate with the connector port. - View Dependent Claims (20, 21)
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Specification