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A Matrix Tactile Sensing Unit with Low Crosstalk and Infinite Subdivision

A tactile sensing, matrix-type technology, applied in the field of sensing, can solve the problem that the position and size of the contacts are not robust, cannot trigger row electrodes and column electrodes at the same time, and cannot locate contacts with row and column synchronization signals and other problems, to achieve the effect of improving positioning resolution, reducing unit size, and increasing the number of points per unit area

Active Publication Date: 2021-08-31
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These methods are not sufficient to reduce the overlapping area of ​​rows and columns, and shielding layers (such as image 3 c layer 4), and these row-column complementary forms are not robust to both the position of the contacts and the size of the contacts, e.g., figure 2 The middle contact is left or right, image 3 In c, the contact is centered or on the periphery, and the row electrodes and column electrodes cannot be triggered to generate signals at the same time, so the contacts cannot be positioned by the row and column synchronization signals

Method used

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  • A Matrix Tactile Sensing Unit with Low Crosstalk and Infinite Subdivision
  • A Matrix Tactile Sensing Unit with Low Crosstalk and Infinite Subdivision
  • A Matrix Tactile Sensing Unit with Low Crosstalk and Infinite Subdivision

Examples

Experimental program
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Effect test

Embodiment 1

[0037] see Figure 4 to Figure 10 , a low crosstalk and infinitely subdivided matrix tactile sensing unit, comprising a first electrode layer 1 , a second electrode layer 2 , and a friction layer 3 which are sequentially stacked from bottom to top.

[0038] The first electrode layer 1 includes a first insulating base and a first electrode plated on the upper surface of the first insulating base.

[0039] The first electrodes are row electrodes, and the second electrodes are column electrodes.

[0040] The first electrode includes n first electrode units. The i-th first electrode unit includes two first electrode blocks connected diagonally and a first electrode connection line I for connecting the two first electrode blocks i . i=1, 2, . . . , n. i is a positive integer.

[0041] The i-th first electrode unit and the i-th second electrode unit are distributed in a rectangular shape, wherein the first electrode connection line I i Projection on the second electrode layer ...

Embodiment 2

[0054] A matrix type tactile sensing unit with low crosstalk that can be subdivided infinitely, the main structure is shown in Embodiment 1, wherein the row (column) electrode is composed of two solid small squares connected diagonally, and is perpendicular to the column (row) electrode Intersecting and complementing each other form a square positioning unit whose area is 4 times that of the solid small square.

Embodiment 3

[0056] A low-crosstalk and infinitely subdivided matrix tactile sensing unit includes a first electrode layer 1 , a second electrode layer 2 and a friction layer 3 which are sequentially stacked from bottom to top.

[0057] The first electrode layer 1 includes a first insulating base and a first electrode plated on the upper surface of the first insulating base.

[0058] The first electrodes are column electrodes, and the second electrodes are row electrodes.

[0059] The first electrode includes n first electrode units. The i-th first electrode unit includes two first electrode blocks connected diagonally and a first electrode connection line I for connecting the two first electrode blocks i . i=1, 2, . . . , n.

[0060] The i-th first electrode unit and the i-th second electrode unit are distributed in a rectangular shape, wherein the first electrode connection line I i and the second electrode connection line II i intersect at one point.

[0061] The first electrode s...

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Abstract

The invention discloses a low crosstalk and infinitely subdivided matrix type tactile sensing unit, which comprises a first electrode layer (1), a second electrode layer (2) and a friction layer (3) which are sequentially stacked from bottom to top The complementary form of unit subdivision ranks and columns disclosed in the present invention can solve the problem that the sensor does not have robustness to the position and size of the contact point, improve the perception resolution of the object, and also help to improve the positioning resolution, Reduce cell size and increase dots per area (DPI).

Description

technical field [0001] The invention relates to the field of sensing technology, in particular to a matrix type tactile sensing unit with low crosstalk and infinitely subdivided. Background technique [0002] At present, the zero-power consumption matrix (row-column cross) tactile sensing positioning device based on triboelectricity, because the positioning is performed by the intersection of the row and column, the overlap between the row and column electrodes will cause crosstalk (electrostatic induction between the upper and lower electrodes, such as figure 1 ), and spread from the target point, resulting in the inability to locate, and the larger the overlapping area, the more serious the crosstalk, so various methods are used to reduce the overlapping area between the row and column electrodes (such as figure 2 , the row and column electrodes are each reduced in half area and distributed complementary), and a shielding layer is set between the two layers of electrodes....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L1/00H02N1/04G06F3/041
CPCG01L1/005G06F3/041H02N1/04
Inventor 蒲贤洁胡陈果郭恒宇唐乾
Owner CHONGQING UNIV
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