Capacitive Touch Screen Terminal and Input Method Therefor

• US 20160004377A1
• Filed: 06/27/2013
• Published: 01/07/2016
• Est. Priority Date: 03/05/2013
• Status: Abandoned Application

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: LIU, Bin, LIU, Fengpeng, HUANG, Lugang, SUN, Qinli
• Application Number:
  US14/770,094
• Publication Number:
  US 20160004377A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G06F 2203/04101 2.5D-digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface and also measures the distance of the input means within a short range in the Z direction, possibly with a separate measurement setup
• CPC Class Codes: G06F 2203/04111 Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
• CPC Class Codes: G06F 2203/04805 Virtual magnifying lens, i.e. window or frame movable on top of displayed information to enlarge it for better reading or selection
• CPC Class Codes: G06F 2203/04806 Zoom, i.e. interaction techniques or interactors for controlling the zooming operation
• CPC Class Codes: G06F 2203/04808 Several contacts: gestures triggering a specific function, e.g. scrolling, zooming, right-click, when the user establishes several contacts with the surface simultaneously; e.g. using several fingers or a combination of fingers and pen
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0416 Control or interface arrangements specially adapted for digitisers
• CPC Class Codes: G06F 3/044 by capacitive means
• CPC Class Codes: G06F 3/04842 Selection of displayed objects or displayed text elements G06F3/0482 takes precedence
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures

Abstract

Disclosed are a terminal with capacitive touch screen and an input method thereof, and when the input is performed in the terminal, a capacitance value between each point in a touch screen and an input device as another capacitance electrode is detected, and position information of points at which the capacitance value is greater than a first preset capacitance threshold is recorded to obtain a pre-touch region; the display within the pre-touch region is enlarged; the selecting and inputting is performed within the region where the display is enlarged. The input method of the present document is capable of enlarging the region to be touched by a user and increasing the input efficiency and improving the user operation experience.

Claims

1. An input method of terminal with capacitive touch screen, comprising:

a terminal detecting a capacitance value between each point in a touch screen and an input device as another capacitance electrode, recording position information of points at which the capacitance value is greater than a first preset capacitance threshold, and obtaining a pre-touch region;

enlarging a display within the pre-touch region; and

selecting to input within a region where the display is enlarged.

2. The input method of terminal with capacitive touch screen of claim 1, wherein the step of selecting to input within a region where the display is enlarged comprises:

judging whether a user has inputs within the region where the display is enlarged or not within a preset period of time, and if yes, selecting corresponding options to input within the region where the display is enlarged according to input information of the user.

3. The input method of terminal with capacitive touch screen of claim 2, wherein the step of judging whether a user has inputs within the region where the display is enlarged or not within a preset period of time, and if yes, selecting corresponding options to input within the region where the display is enlarged according to input information of the user comprises:

detecting a capacitance value between each point within the region where the display is enlarged and an input device as another capacitance electrode, judging whether there are points at which the capacitance value is greater than a second preset capacitance threshold or not, and if yes, determining that the user has inputs within the region where the display is enlarged, and selecting and inputting options corresponding to the points at which the capacitance value is greater than the second preset capacitance threshold.

4. The input method of terminal with capacitive touch screen of claim 3, wherein when determining that there are no points at which the capacitance value is greater than the second preset capacitance threshold, the input method further comprises:

automatically selecting one option to input within the region where the display is enlarged according to a preset rule;

or

not performing any operation and continuing to wait for a user input.

5. The input method of terminal with capacitive touch screen of claim 1, wherein before detecting the capacitance value between each point in the touch screen and the input device as another capacitance electrode, the method further comprises a step of setting a first preset capacitance threshold, and the step comprises:

testing corresponding capacitance values between each point in the touch screen and the input device at different distance intervals; and

setting the first preset capacitance threshold according to a result of the test.

11. The input method of terminal with capacitive touch screen of claim 2, wherein before detecting the capacitance value between each point in the touch screen and the input device as another capacitance electrode, the method further comprises a step of setting a first preset capacitance threshold, and the step comprises:

testing corresponding capacitance values between each point in the touch screen and the input device at different distance intervals; and

setting the first preset capacitance threshold according to a result of the test.

12. The input method of terminal with capacitive touch screen of claim 3, wherein before detecting the capacitance value between each point in the touch screen and the input device as another capacitance electrode, the method further comprises a step of setting a first preset capacitance threshold, and the step comprises:

testing corresponding capacitance values between each point in the touch screen and the input device at different distance intervals; and

setting the first preset capacitance threshold according to a result of the test.

13. The input method of terminal with capacitive touch screen of claim 4, wherein before detecting the capacitance value between each point in the touch screen and the input device as another capacitance electrode, the method further comprises a step of setting a first preset capacitance threshold, and the step comprises:

testing corresponding capacitance values between each point in the touch screen and the input device at different distance intervals; and

setting the first preset capacitance threshold according to a result of the test.

6. A terminal with capacitive touch screen, comprising:

a detecting module, a processing module, an enlarging modules and a selecting module;

wherein

the detecting module is configured to;

detect a capacitance value between each point in a touch screen and an input device as another capacitance electrode, record position information of points at which the capacitance value is greater than a first preset capacitance threshold and report the position information to the processing module;

the processing module is configured to;

process the reported position information of the points to obtain a pre-touch region;

the enlarging module is configured to;

enlarge a display in the pre-touch region; and

the selecting module is configured to;

select to input within a region where the display is enlarged.

7. The terminal with capacitive touch screen of claim 6, wherein the selecting module comprises a judging module and an inputting module;

the judging module is configured to;

judge whether a user has inputs within the region where the display is enlarged within a preset period of time or not, and if yes, notify the inputting module to select corresponding options to input within the region where the display is enlarged according to input information of the user.

8. The terminal with capacitive touch screen of claim 7, wherein the judging module comprises a capacitance detecting sub-module and a capacitance judging sub-module;

the capacitance detecting sub-module is configured to;

detect a capacitance value between each point within the region where the display is enlarged and an input device as another capacitance electrode; and

the capacitance judging sub-module is configured to;

judge whether there are points at which the capacitance value is greater than a second preset capacitance threshold or not, and if yes, determine that the user has inputs within the region where the display is enlarged, and notify the inputting module to select and input options corresponding to the points at which the capacitance value is greater than the second preset capacitance threshold.

9. The terminal with capacitive touch screen of claim 8, wherein the inputting module is further configured to:

when the capacitance judging sub-module determines that there are no points at which the capacitance value is greater than the second preset capacitance threshold, automatically select one option to input within the region where the display is enlarged according to a preset rule, or, not perform any operation and continue to wait for a user input.

10. The terminal with capacitive touch screen of claim 6, further comprising a threshold setting module;

the threshold setting module is configured to;

test corresponding capacitance values between each point in the touch screen and the input device at different distance intervals, and set the first preset capacitance threshold according to a result of the test.

14. The terminal with capacitive touch screen of claim 7, further comprising a threshold setting module;

the threshold setting module is configured to;

test corresponding capacitance values between each point in the touch screen and the input device at different distance intervals, and set the first preset capacitance threshold according to a result of the test.

15. The terminal with capacitive touch screen of claim 8, further comprising a threshold setting module;

the threshold setting module is configured to;

test corresponding capacitance values between each point in the touch screen and the input device at different distance intervals, and set the first preset capacitance threshold according to a result of the test.

16. The terminal with capacitive touch screen of claim 9, further comprising a threshold setting module;

the threshold setting module is configured to;

test corresponding capacitance values between each point in the touch screen and the input device at different distance intervals, and set the first preset capacitance threshold according to a result of the test.