# US 2021/0278945 A1 · Touch system and electronic device

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- Number: US 2021/0278945 A1
- Document ID: US20210278945A1
- Status: Published application
- Kind: A1
- Application number: 16/319,519
- Filed: 2016-12-19
- Published: 2021-09-09
- Earliest claimed: 2016-07-22
- Assignees: Goertek Inc.
- Applicants: Goertek Inc.
- Inventors: Zhongkai LI; Wentao WANG; Tianduo ZHOU
- Web page: https://patentgrep.com/patent/US20210278945A1

## CPC

- G06F 3/04142: {the force sensing means being located peripherally, e.g. disposed at the corners or at the side of a touch sensing plate}
- G06F 1/1626: {with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]}
- G06F 1/163: {Wearable computers, e.g. on a belt}
- G06F 1/1671: {Special purpose buttons or auxiliary keyboards, e.g. retractable mini keypads, keypads or buttons that remain accessible at closed laptop (G06F1/1666 takes precedence)}
- G06F 3/03547: {Touch pads, in which fingers can move on a surface}
- G06F 3/0362: with detection of one-dimensional [1D] translations or rotations of an operating part of the device, e.g. scroll wheels, sliders, knobs, rollers or belts
- G06F 3/0416: {Control or interface arrangements specially adapted for digitisers}
- G06F 3/0483: Interaction with page-structured environments, e.g. book metaphor
- G06F 3/04847: Interaction techniques to control parameter settings, e.g. interaction with sliders or dials
- G06F 3/044: by capacitive means
- G06F 3/046: by electromagnetic means
- G06F 2203/0339: Touch strips, e.g. orthogonal touch strips to control cursor movement or scrolling; single touch strip to adjust parameter or to implement a row of soft keys
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

A touch control system and electronic device, said touch control system comprising a touch control element (110), a touch control sensor apparatus (120), an analog-to-digital converter unit (130), a digital signal processing unit (140), and a function regulating unit (150), wherein said touch control sensor apparatus (120) is provided with a first pressure sensor (10) and a second pressure sensor (20). Said touch control sensor apparatus (120) is configured to convert swiping actions of a user on the touch control element (110) into an analog voltage signal, said analog-to-digital converter unit (130) is configured to convert the analog voltage signal into a digital signal; said digital signal processing unit (140) is configured to calculate swiping pressure information and position information on the basis of the digital signal, said function regulating unit (150) regulates corresponding functions on the basis of the swiping pressure information and position information. By using a touch control swiping method, functions of an electronic device may be regulated, allowing for a side button of a mobile phone to be swiped.

## Claims

### Claim 1

A touch system, comprising a touch element, a touch sensing device, an analog-to-digital conversion unit, a digital signal processing unit and a function regulating unit, wherein the touch sensing device is provided with a first pressure sensor and a second pressure sensor and configured to convert a sliding movement on the touch element by a user into an analog voltage signal; the analog-to-digital conversion unit is configured to convert the analog voltage signal into a digital signal; the digital signal processing unit is configured to evaluate pressure information and location information of the sliding based on the digital signal; and the function regulating unit is configured to regulate a corresponding function based on the pressure information and the location information of the sliding.

### Claim 2 (depends on 1)

The touch system according to claim 1, wherein the touch element is a touch sensing bar, and the touch sensing bar and the touch sensing device are respectively provided on an outer surface and an inner surface of a lateral plate of an electronic device housing.

### Claim 3 (depends on 2)

The touch system according to claim 2, wherein two identifiers are provided on the touch sensing bar and respectively correspond to the first pressure sensor and the second pressure sensor of the touch sensing device.

### Claim 4 (depends on 1)

The touch system according to claim 1, wherein the touch sensing device is provided on a circuit board, and the first pressure sensor and the second pressure sensor are respectively located at two ends of the circuit board.

### Claim 5 (depends on 1)

The touch system according to claim 1, wherein the pressure sensor is a piezoresistive sensor, a capacitive sensor or an inductive sensor.

### Claim 6 (depends on 1)

The touch system according to claim 1, wherein the function regulating unit comprises at least one function of volume adjustment, focal length setting, page turning and wheel scrolling.

### Claim 7 (depends on 1)

The touch system according to claim 1, wherein the touch sensing device further comprises two buffer parts respectively provided on the first pressure sensor and the second pressure sensor.

### Claim 8 (depends on 7)

The touch system according to claim 7, wherein the buffer parts are made of silicone rubber.

### Claim 9 (depends on 2)

The touch system according to claim 2, further comprising a mainboard provided in the electronic device housing, wherein the analog-to-digital conversion unit, the digital signal processing unit and the function regulating unit are all located on the mainboard.

### Claim 10 (depends on 1)

An electronic device, comprising a touch system of claim 1.