Protective cover for a wireless device
In some embodiments, an apparatus includes a protective cover configured to attach to a wireless device having an exterior surface. The surface includes a first portion and a second portion mutually exclusive from the first portion. The second portion of the surface is associated with at least a portion of an antenna of the wireless device that performs proximity sensing for the wireless device. The protective cover is configured to cover the first portion of the surface when the protective cover is attached to the wireless device. The protective cover is configured to not cover the second portion of the surface when the protective cover is attached to the wireless device. As a result, the proximity sensing and/or the power transmitted by the antenna are not affected by the protective cover when the protective cover is attached to the wireless device and when the wireless device is operational.
1. An apparatus comprising:
a protective cover configured to attach to a handheld wireless computing device, the protective cover including:
a first section configured to cover a first portion of the handheld wireless computing device; and
a second section different from the first section configured to cover a second portion of the handheld wireless computing device, the second portion associated with an antenna of the handheld wireless computing device,
wherein the second section is configured to not affect operation of the antenna associated with the second portion.
2. The apparatus of claim 1 , wherein the second section is configured to not change a dielectric matching of an environment around the second portion of the handheld wireless computing device.
3. The apparatus of claim 1 , wherein the first section is formed of a first material and the second section is formed of a second material different from the first material.
4. The apparatus of claim 3 , wherein the first material has a first dielectric constant and the second material has a second dielectric constant different from the first dielectric constant.
5. The apparatus of claim 1 , wherein the first section has a first thickness and the second section has a second thickness that is different from the first thickness.
6. The apparatus of claim 5 , wherein the second thickness is less than the first thickness.
7. The apparatus of claim 1 , wherein the first section of the protective cover is positioned to cover a screen of the handheld wireless computing device.
8. The apparatus of claim 1 , wherein:
the antenna of the handheld wireless computing device is a proximity sensor; and
the second section of the protective cover is configured to not trigger the proximity sensor when the protective cover is attached to the handheld wireless computing device and when the handheld wireless computing device is operating.
9. The apparatus of claim 1 , wherein the second section of the protective cover is positioned to cover a camera of the handheld wireless computing device, wherein the second section is configured to not block access to the camera when the protective cover is attached to the handheld wireless computing device.
10. The apparatus of claim 1 , wherein the second section of the protective cover is transparent.
11. The apparatus of claim 1 , wherein the second section of the protective cover is configured to cover portions of the antenna that are sensitive to changes to a local dielectric matching or a local impedance matching.
12. The apparatus of claim 1 , wherein the protective cover is positioned between the handheld wireless computing device and a user when the protective cover is attached to the handheld wireless computing device and when the handheld wireless computing device is used by the user.
13. The apparatus of claim 1 , wherein the second section is configured to not degrade a performance of the antenna.
14. The apparatus of claim 1 , wherein the second section is configured to enhance a performance of the antenna.
15. An apparatus comprising:
a protective cover configured to attach to a handheld wireless computing device, the protective cover including:
a first section formed of a first material configured to cover a first portion of the handheld wireless computing device; and
a second section formed of a second material different from the first material configured to cover a second portion of the handheld wireless computing device, the second portion associated with an antenna of the handheld wireless computing device,
wherein the second section is configured to not affect operation of the antenna associated with the second portion.
16. The apparatus of claim 15 , wherein the first material has a first dielectric constant and the second material has a second dielectric constant different from the first dielectric constant, wherein the second dielectric constant is configured to not adversely affect operation of the antenna.
17. The apparatus of claim 15 , wherein:
the antenna of the handheld wireless computing device is a proximity sensor; and
the second material of the second section is configured to not trigger the proximity sensor when the protective cover is attached to the handheld wireless computing device and when the handheld wireless computing device is operating.
18. An apparatus comprising:
a protective cover configured to attach to a handheld wireless computing device, the protective cover including:
a first section having a first thickness and configured to cover a first portion of the handheld wireless computing device; and
a second section having a second thickness different from the first thickness and configured to cover a second portion of the handheld wireless computing device, the second portion associated with an antenna of the handheld wireless computing device,
wherein the second section is configured to not affect operation of the antenna associated with the second portion.
19. The apparatus of claim 18 , wherein the second thickness is less than the first thickness.
20. The apparatus of claim 18 , wherein:
the antenna of the handheld wireless computing device is a proximity sensor; and
the second thickness of the second section is configured to not trigger the proximity sensor when the protective cover is attached to the handheld wireless computing device and when the handheld wireless computing device is operating.