# US 12,213,777 B2 · Method and system for monitoring movement

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- Number: US 12,213,777 B2
- Document ID: US12213777B2
- Status: Granted
- Kind: B2
- Application number: 17/569,179
- Filed: 2022-01-05
- Published: 2022-07-28
- Granted: 2025-02-04
- Earliest claimed: 2021-01-26
- Assignees: Boe Technology Group Co., Ltd.
- Applicants: BOE Technology Group Co., Ltd.
- Inventors: Yuan Wang
- Web page: https://patentgrep.com/patent/US12213777B2

## CPC

- A61B 5/11: Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb {(A61B5/1038 takes precedence; motion detection to correct for motion artifacts in physiological signals A61B5/721)}
- G06F 3/015: {Input arrangements based on nervous system activity detection, e.g. brain waves [EEG] detection, electromyograms [EMG] detection, electrodermal response detection}
- A61B 5/1107: {Measuring contraction of parts of the body, e.g. organ or muscle}
- A61B 5/1128: {using image analysis (A61B5/1127 takes precedence)}
- A61B 5/257: using adhesive means, e.g. adhesive pads or tapes
- A61B 5/296: for electromyography [EMG]
- A61B 5/6833: {Adhesive patches}
- G06F 3/011: {Arrangements for interaction with the human body, e.g. for user immersion in virtual reality (blind teaching G09B21/00)}
- G16H 40/63: for local operation
- H04W 4/38: for collecting sensor information
- A61B 2562/164: the sensor is mounted in or on a conformable substrate or carrier
- G16H 30/20: for handling medical images, e.g. DICOM, HL7 or PACS
- A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G16H: HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

Disclosed are a method and system for monitoring movement. The system includes: a muscle movement sensor, a movement capturing device and a processing device, wherein the muscle movement sensor is configured to acquire muscle movement information of a moving part of a living body in the case that the muscle movement sensor is fixed onto the moving part; the movement capturing device is configured to acquire whole movement information of the living body; and the processing device is configured to determine a movement parameter of a muscle of the moving part based on the muscle movement information and the whole movement information.

## Claims

### Claim 1

A system for monitoring movement, comprising: a muscle movement sensor, a camera, and a processor; wherein
the muscle movement sensor comprises a substrate, an information capturing film layer, and an insulative packaging layer which are stacked in sequence, and a converter which is one of a single chip microcomputer and a field-programmable gate array, the information capturing film layer comprises a plurality of conductive films, the converter is connected to each of the conductive films, and the converter is configured to determine a capacitance corresponding to each of the conductive films based on an electrical signal on the conductive film, and the capacitance corresponding to each of the conductive films is one of following capacitances:
a capacitance between a ground line in the information capturing film layer and one of the conductive films; and
a capacitance formed by a first conductive film, an insulative layer in the information capturing film layer and a second conductive film which are stacked on the substrate in sequence, the first conductive film and the second conductive film being two conductive films of the plurality of conductive films;
the converter is further configured to send capacitances corresponding to the plurality of conductive films to the processor;
the processor is configured to determine, in a case that the muscle movement sensor is fixed onto a moving part of a living body so that capacitances corresponding to conductive films adjacent to muscles of the moving part changes with changes in forces which are applied to the conductive films adjacent to the muscles and caused by deformations of the muscles, a pressure exerted on each of conductive films based on the capacitances corresponding to the plurality of conductive film; and
the camera is configured to acquire whole movement information of the living body, the whole movement information comprises a movement joint diagram of the living body, the movement joint diagram comprises a plurality of nodes and lines connecting the nodes, the nodes represent joints of the living body, and the lines represent limbs of the living body.

### Claim 2 (depends on 1)

The system according to claim 1, wherein the insulative packaging layer is configured to package the information capturing film layer.

### Claim 3 (depends on 2)

The system according to claim 2, wherein the information capturing film layer further comprises a plurality of data lines and a ground line which are disposed on the substrate, wherein the plurality of conductive films are connected to the plurality of data lines in one-to-one correspondence, and the ground line and the plurality of data lines are connected to the converter.

### Claim 4 (depends on 3)

The system according to claim 3, wherein the muscle movement sensor is in accordance with at least one of the following conditions:
the substrate, the information capturing film layer, and the insulative packaging layer are flexible;
the plurality of conductive films are arranged on the substrate in an array;
a material of the insulative packaging layer comprises an artificial skin material; and
the muscle movement sensor is in a shape of an elongated strip, a crescent, or a ring.

### Claim 5 (depends on 1)

The system according to claim 1, wherein the camera comprises an infrared sensor.

### Claim 6 (depends on 1)

The system according to claim 1, further comprising a communication chip connected to the muscle movement sensor, wherein the communication chip is configured to acquire the capacitances corresponding to the plurality of conductive films and transmit the capacitances corresponding to the plurality of conductive films to the processor.

### Claim 7 (depends on 6)

The system according to claim 6, wherein the communication chip is communicated with the processor by at least one of: Bluetooth, wireless fidelity, and Zigbee.

### Claim 8 (depends on 3)

The system according to claim 3, wherein the substrate, the information capturing film layer, and the insulative packaging layer are flexible, the plurality of conductive films are arranged on the substrate in an array, a material of the insulative packaging layer comprises an artificial skin material, and the muscle movement sensor is in a shape of an elongated strip, a crescent, or a ring;
the camera comprises an infrared sensor;
the system further comprises a communication chip connected to the muscle movement sensor, the communication chip is configured to acquire the muscle movement information and transmit the muscle movement information to the processor, and the communication chip is communicated with the processor by at least one of: Bluetooth, wireless fidelity, and Zigbee.

### Claim 9

A muscle movement sensor, comprising a substrate, an information capturing film layer, and an insulative packaging layer which are stacked in sequence, and a converter which is one of a single chip microcomputer and a field-programmable gate array, wherein the information capturing film layer comprises a plurality of conductive films, the converter is connected to each of the conductive films, and the converter is configured to determine a capacitance corresponding to each of the conductive films based on an electrical signal on the conductive film, and the capacitance corresponding to each of the conductive films is one of following capacitances:
a capacitance between a ground line in the information capturing film layer and one of the conductive films; and
a capacitance formed by a first conductive film, an insulative layer in the information capturing film layer and a second conductive film which are stacked on the substrate in sequence, the first conductive film and the second conductive film being two conductive films of the plurality of conductive films;
and, the converter is further configured to send capacitances corresponding to the plurality of conductive films to the processor, so that the processor is able to determine, in a case that the muscle movement sensor is fixed onto a moving part of a living body so that capacitances corresponding to conductive films adjacent to muscles of the moving part changes with changes in forces which are applied to the conductive films adjacent to the muscles and caused by deformations of the muscles, a pressure exerted on each of conductive films based on the capacitances corresponding to the plurality of conductive films.

### Claim 10 (depends on 9)

The muscle movement sensor according to claim 9, wherein the insulative packaging layer is configured to package the information capturing film layer.

### Claim 11 (depends on 10)

The muscle movement sensor according to claim 10, wherein the information capturing film layer further comprises a plurality of data lines and a ground line which are disposed on the substrate, wherein the plurality of conductive films are connected to the plurality of data lines in one-to-one correspondence, and the ground line and the plurality of data lines are connected to the converter.

### Claim 12 (depends on 11)

The muscle movement sensor according to claim 11, wherein the muscle movement sensor is in accordance with at least one of the following conditions:
the substrate, the information capturing film layer, and the insulative packaging layer are flexible;
the plurality of conductive films are arranged on the substrate in an array;
a material of the insulative packaging layer comprises an artificial skin material; and
the muscle movement sensor is in a shape of an elongated strip, a crescent, or a ring.