Portable device touchscreen optimization

• US 9,619,137 B2
• Filed: 03/26/2015
• Issued: 04/11/2017
• Est. Priority Date: 03/26/2015
• Status: Active Grant

• Current Assignee: Motorola Mobility LLC (Lenovo Group Ltd.)
• Original Assignee: Motorola Mobility LLC (Lenovo Group Ltd.)
• Inventors: Lim, David K, Lombardi, Michael J, Allore, Joseph L
• Primary Examiner(s): DAVIS, TONY O
• Application Number:
  US14/669,797
• Publication Number:
  US 20160283079A1
• Time in Patent Office: 747 Days
• Field of Search: 348335, 348373, 345173
• CPC Class Codes: G06F 1/1643 the display being associated to a digitizer, e.g. laptops that can be used as penpads details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615
• CPC Class Codes: G06F 1/1656 Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203
• CPC Class Codes: G06F 3/0421 by interrupting or reflecting a light beam, e.g. optical touch-screen
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures

Abstract

A display protection system for use in a portable electronic device includes first and second lenses overlaying the device display. The first lens includes an aperture over a lens sensor mounted in the device, whereas the second lens includes an opaque region in that same area. In this way, the lens sensor may detect the presence or absence of the secondary lens and adjust touch sensor behavior accordingly.

Claims

1. A portable electronic device comprising:

a display;

a primary lens overlying the display;

a removable secondary lens overlying the primary lens;

a lens sensor configured to detect the presence of the removable secondary lens, the lens sensor including at least one of a proximity sensor, a light sensor and a capacitive sensor; and

a touch sensor for detecting a user'"'"'s touch on one of the primary lens and the removable secondary lens, wherein the touch sensor operates using a selected one of multiple sets of predetermined parameters, wherein the selected one of the multiple sets of predetermined parameters is selected when the display is activated based on the presence of the secondary lens as determined by the lens sensor.

2. The portable electronic device in accordance with claim 1, wherein each set of predetermined parameters includes at least a touch sensitivity parameter.

3. The portable electronic device in accordance with claim 1, wherein each set of predetermined parameters includes at least an edge performance parameter.

4. The portable electronic device in accordance with claim 1, wherein each set of predetermined parameters includes at least a grip suppression parameter.

5. The portable electronic device in accordance with claim 1, wherein the primary lens includes a region of substantially opaque decoration and has an aperture within the substantially opaque decoration for the lens sensor to port through.

6. The portable electronic device in accordance with claim 5, wherein the secondary lens has a substantially opaque decoration over the aperture of the primary lens.

7. The portable electronic device in accordance with claim 1, wherein the device is configured to detect the device being dropped, and in response to record whether the secondary lens is present.

8. A display protection system for a display of a portable electronic device

comprising:

a primary lens overlying the display;

a removable secondary lens overlying the primary lens;

a lens sensor configured to detect the presence of the removable secondary lens, the lens sensor including at least one of a proximity sensor, a light sensor and a capacitive sensor;

a touch sensor; and

a controller configured to adjust the operation of the touch sensor when the lens sensor indicates that the removable secondary lens overlying the primary lens has been removed.

9. The display protection system in accordance with claim 8, wherein the controller is configured to adjust the operation of the touch sensor by adjusting a touch sensitivity parameter.

10. The display protection system in accordance with claim 8, wherein the controller is configured to adjust the operation of the touch sensor by adjusting an edge performance parameter.

11. The display protection system in accordance with claim 8, wherein the controller is configured to adjust the operation of the touch sensor by adjusting a grip suppression parameter.

12. The display protection system in accordance with claim 8, wherein the primary lens includes a region of substantially opaque decoration and has an aperture within the substantially opaque decoration for the lens sensor to port through.

13. The display protection system in accordance with claim 12, wherein the secondary lens has a substantially opaque decoration over the aperture of the primary lens.

14. The display protection system in accordance with claim 8, wherein the device is configured to detect the device being dropped, and in response to record whether the secondary lens is present.

15. A method of constructing a display apparatus for a portable electronic device having a lens sensor, the method comprising:

mounting a display within a housing of the portable electronic device;

affixing a first lens to the mounted display; and

mounting a secondary lens to the first lens, wherein the first lens includes an aperture located to overlay the lens sensor and the secondary lens contains an opaque region located to overlay the lens sensor, and wherein the lens sensor is one of a proximity sensor, a light sensor and a capacitive sensor.