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3D touch device

A three-dimensional touch and area technology, applied in the field of information, can solve problems such as poor achievability, blind area or device volume is too large, and it is difficult to accurately locate, and achieves small processor resource occupation, easy calculation and standardization, and is conducive to cost control. Effect

Active Publication Date: 2021-08-31
黄奎云
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing three-dimensional touch scheme based on ultrasonic waves (for example, patent publication number CN106843502A) has the disadvantage that it is difficult to eliminate complex interference media such as human body in the touch area and it is difficult to locate accurately
[0005] Existing 3D touch solutions based on cameras (such as patent publication numbers CN103914152A, CN104199550A, and CN103488356A) have disadvantages such as blind spots or excessive device volume, low touch accuracy, poor realizability, inconvenient standardization, or inaccurate touch.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] Such as figure 2 ,Such as Figure 4

[0078] In this three-dimensional touch device, a camera group is arranged outside the top surface of the three-dimensional touch area cube, and each camera group includes cameras 101, 102 and is symmetrically arranged on the parallel surface 105 of the front surface of the three-dimensional touch area cube and is located on the three-dimensional touch area cube On the 45-degree angle sub-lines 103 and 104 of two adjacent angles, the two camera axes 103 and 104 are respectively the same as the corresponding 45-degree angle sub-lines 103 and 104 and both face the three-dimensional touch area cube. The two cameras 103 and 104 The row scanning lines are all parallel to the front of the three-dimensional touch area cube; two cameras 101, 102 collect and cover the entire area of ​​the top surface of the three-dimensional touch area cube; the two cameras 101, 102 have the same specifications, and the acquisition angle is 100 degrees; two...

Embodiment 2

[0081] Such as figure 1 ,Such as Figure 4

[0082] In this three-dimensional touch device, two camera groups are arranged outside the top surface of the cube in the three-dimensional touch area. The first camera group includes cameras 101 and 102 and is symmetrically arranged on the parallel surface 105 of the cube front in the three-dimensional touch area and is located in the three-dimensional touch area. On the 45-degree angle sub-lines 103 and 104 of the two adjacent corners of the cube, the two camera axes 103 and 104 are respectively the same as the corresponding 45-degree angle sub-lines 103 and 104 and both face the three-dimensional touch area cube. The two cameras 103, 104 The row scanning lines of 104 are all parallel to the front of the cube in the three-dimensional touch area; the second camera group includes two cameras 111, 112 and are symmetrically arranged on the parallel plane 115 on the front of the cube in the three-dimensional touch area and are located ...

Embodiment 3

[0091] Such as image 3

[0092] In this three-dimensional touch device, four camera groups are arranged symmetrically on the left side and the right side of the cube in the three-dimensional touch area:

[0093] The first camera group on the left side includes cameras 121, 122 and is symmetrically arranged on the parallel surface 125 of the front of the three-dimensional touch area cube and is located on the 45-degree angle dividing line 123, 124 of two adjacent corners of the three-dimensional touch area cube, 2 The axis lines 123 and 124 of the two cameras are the same as the corresponding 45-degree angle sub-lines 123 and 124 respectively and are all facing the three-dimensional touch area cube. The row scanning lines of the two cameras 123 and 124 are all parallel to the front of the three-dimensional touch area cube; A camera group includes 2 cameras 131, 132 and is symmetrically arranged on the parallel surface 125 of the three-dimensional touch area cube front and is ...

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Abstract

Set a camera group outside at least one of the top, left, and right sides of the cube in the three-dimensional touch area and at least one camera group, each camera group includes 2 cameras and is symmetrically arranged on the parallel plane of the front of the cube And located on the 45-degree angle sub-line of two adjacent corners of the cube, the axes of the two cameras are the same as the corresponding 45-degree angle sub-line, and the collection directions are all facing the cube; the planes where each camera group is located are parallel and equidistant from each other , the distance between the camera group near the edge of the cube and the edge is less than or equal to half of the distance between the adjacent camera groups, and the camera set of all camera groups on the surface of the cube in the 3D touch area can collect and cover the entire area of ​​the surface. The three-dimensional touch device has the advantages of small blind area or small volume, more accurate touch, easy implementation, easy standardization, adaptable Z-axis position and size of different 3D applications, and more accurate touch, etc., which improves the popularity of three-dimensional touch.

Description

technical field [0001] The invention relates to a touch screen, in particular to a three-dimensional touch screen, and belongs to the field of information technology. Background technique [0002] With the development of touch technology, touch screens are more and more widely used, but they are mainly two-dimensional flat or curved touch screens. The current touch screens mainly include surface acoustic wave, infrared, resistance, capacitance and other types. Their common characteristics belong to two-dimensional flat touch screen or curved touch screen. Pressure sensors are used to obtain a pressure-sensitive touch screen, or some touch screens are provided with pressure sensors to detect touch pressure, but these are not three-dimensional touch screens with spatial significance. [0003] The display technology naturally associated with touch screen applications is changing with each passing day. 3D display has become increasingly mature, and applications such as games, e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F3/042G06F3/041G06T7/70H04N5/33H04N5/225
CPCG06F3/042G06F3/0416G06F3/04186G06T7/70H04N5/33H04N23/56
Inventor 黄奎云
Owner 黄奎云