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Click method for coordinate setting on small touch screen

A technology of coordinate positioning and touch screen, applied in the input/output process of data processing, instruments, electrical and digital data processing, etc. Achieve the effect of prolonging the service life and not easy to misuse

Inactive Publication Date: 2010-09-22
WUXI ARF ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to its relatively small area, the existing small touch screen needs precise contact between the finger and the touch part of the touch screen when it needs to click and locate. However, the finger can easily cover several adjacent touch areas, so that it cannot be selected correctly Insufficient input area required is prone to misoperation; in addition, the touch area on the edge of the resistive screen, the hard pressing of the finger will easily shorten the service life of the touch screen

Method used

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  • Click method for coordinate setting on small touch screen
  • Click method for coordinate setting on small touch screen
  • Click method for coordinate setting on small touch screen

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0016] Specific embodiment one: see figure 1 , when the small touch screen is a non-full-screen touch area, it includes touch area 1 and non-touch area 2, and the point A(x 1 ,y 1 ) as the origin, the finger touches the touch area 1 to get the actual touch position as point B(x 2 ,y 2 ), the coordinates of the final selected output location point C are (x 3 ,y 3 ), the offset length of the preset vector is L (preset according to the area of ​​touch area 1 and the area of ​​a single touch unit in touch area 1), then the coordinate of the output point C of the final click can be passed The following example formulas are evaluated and displayed:

[0017] x 3 =x 2 +L×(x 2 -x 1 ) /

[0018] the y 3 =y 2 +L×(y 2 -y 1 ) / .

specific Embodiment 2

[0019] Specific embodiment two: see figure 2 , when the small touch screen is a non-full-screen touch area, it includes touch area 1 and non-touch area 2, and the point A(x 1 ,y 1 ) as the origin, the finger touches the touch area 1 to get the actual touch position as point D(x 4 ,y 4 ), the coordinates of the final selected output location point E are (x 5 ,y 5 ), the preset vector offset length is M (preset according to the area of ​​touch area 1 and the area of ​​a single touch unit in touch area 1). The included angle is α,

[0020] Then the coordinates of the output point E of the final point can be calculated and displayed through the following example formula:

[0021] α = arctan ( )

[0022] x 5 =x 4 +M×cosα

[0023] the y 5 =y 4 +M×sinα.

specific Embodiment 3

[0024] Specific embodiment three: see image 3 , when the small touch screen is a full-screen touch interface, the origin is relative to the origin. When the finger touches the touch screen for the first time during the second click, the automatically captured point F(x 6 ,y 6 ) as the relative origin, after which the user’s finger does not leave the touch screen and slides on the screen, the relative origin and the final actual touch position of the finger G(x 7 ,y 7 ) determines a straight line with direction. This straight line with direction determines that the angle between the offset direction of the vector and the X-axis of the reference coordinate is β, and the final actual contact position follows the offset direction, plus the offset length of the vector N (preset according to the area of ​​the touch screen and the area of ​​a single touch unit) is the output point H(x 8 ,y 8 ),

[0025] Then the H coordinate of the final selected output location point can be ca...

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Abstract

The invention provides a click method for coordinate setting on a small touch screen, which can effectively ensure accurate coordinate click on the small touch screen, and can prolong the service life by avoiding a finger pressing an optional touch area on the edge of a resistive screen. The method is characterized in that an actual touch position of the finger on the touch screen plus the shift of a vector is the finally clicked output position point.

Description

technical field [0001] The invention relates to the technical field of coordinate positioning of a touch screen, in particular to a point selection method for coordinate positioning on a small touch screen. Background technique [0002] Due to its relatively small area, the existing small touch screen needs precise contact between the finger and the touch part of the touch screen when it needs to click and locate. However, the finger can easily cover several adjacent touch areas, resulting in failure to correctly click Insufficient input area required may easily lead to misoperation; in addition, in the touch area on the edge of the resistive screen, the service life of the touch screen may be shortened if the finger is pressed hard. Contents of the invention [0003] In view of the above problems, the present invention provides a method for selecting coordinates on a small touch screen, which can effectively ensure that the coordinates are accurately selected on the small...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/041G06F3/045
Inventor 吉田泰岳
Owner WUXI ARF ELECTRONICS
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