Wearing detection method and apparatus, wearable device and storage medium

Patent metadata

Field	Value
Publication number	US-11115748-B2
Application number	US-202017036284-A
Country	US
Kind code	B2
Filing date	Sep 29, 2020
Priority date	Dec 26, 2018
Publication date	Sep 7, 2021
Grant date	Sep 7, 2021

Abstract

Provided are a wearing detection method and apparatus, a wearable device and a storage medium. At least two positions of the wearable device are provided with sensors. The method includes: acquiring detection data of capacitive sensors at the at least two positions, obtaining linear combination data according to the detection data of the capacitive sensors at the at least two positions by using a pre-set relationship; and detecting a wearing state according to the linear combination data. According to the embodiments, the accuracy of wearing detection can be improved.

First claim

What is claimed is:

1. A wearing detection method for a wearable device, at least two positions of the wearable device having capacitive sensors, the method comprising:
acquiring detection data of the capacitive sensors at the at least two positions;
obtaining linear combination data according to the detection data of the capacitive sensors at the at least two positions by using a pre-set linear relationship;
determining, according to the linear combination data, whether an operation behavior that changes a pre-set initial state of the wearable device is detected;
determining a state of the wearable device to be a target state of the operation behavior if the operating behavior is detected; and
determining the state of the wearable device to be the pre-set initial state if the operating behavior is not detected.

2. The method according to claim 1 , wherein the pre-set initial state is a non-wearing state, the target state of the operation behavior is a wearing state, and the determining, according to the linear combination data, of whether an operation behavior that changes a pre-set initial state of the wearable device is detected, comprises:
determining whether the linear combination data reaches a pre-set first state condition;
determining that the operating behavior is detected if the linear combination data reaches the first state condition; and
determining that the operating behavior is not detected if the linear combination data does not to reach the first state condition.

3. The method according to claim 2 , wherein the determining of whether the linear combination data reaches a pre-set first state condition comprises:
determining whether a change amount of the linear combination data is greater than or equal to a pre-set first threshold;
determining that the operation behavior is detected if the change amount of the linear combination data is greater than or equal to the first threshold; and
determining that the operation behavior is not detected if the change amount of the linear combination data is less than the first threshold.

4. The method according to claim 2 , wherein the determining of whether the linear combination data reaches a pre-set first state condition comprises:
detecting a rising edge of a curve of the linear combination data;
determining that the operation behavior is detected if the rising edge of the curve is detected; and
determining that the operation behavior is not detected if the rising edge of the curve is not detected.

5. The method according to claim 1 , wherein the pre-set initial state is a wearing state, the target state of the operation behavior is a non-wearing state, and the determining, according to the linear combination data, of whether an operation behavior that changes a pre-set initial state of the wearable device is detected, comprises:
determining whether the linear combination data reaches a pre-set second state condition;
determining that the operation behavior is detected if the linear combination data reaches the second state condition; and
determining that the operation behavior is not detected if the linear combination data does not reach the second state condition.

6. The method according to claim 5 , wherein the determining of whether the linear combination data reaches a pre-set second state condition comprises:
determining whether a change amount of the linear combination data is less than or equal to a pre-set second threshold;
determining that the operation behavior is detected if the change amount of the linear combination data is less than or equal to the second threshold; and
determining that the operation behavior is not detected if the change amount of the linear combination data is greater than the second threshold.

7. The method according to claim 5 , wherein the determining of whether the linear combination data reaches a pre-set second state condition comprises:
detecting a falling edge of a curve of the linear combination data;
determining that the operation behavior is detected if the falling edge of the curve is detected; and
determining that the operation behavior is not detected if the falling edge of the curve is not detected.

8. The method according to claim 1 , wherein, among the at least two positions, there are at least two positions with a distance therebetween being greater than or equal to a pre-set distance.

9. A wearing detection apparatus for a wearable device, wherein at least two positions of the wearable device are provided with capacitive sensors, and the apparatus comprises a processor and a memory connected with the processor, wherein the memory is configured to store program instructions, and the processor, when executing the program instructions, is configured to:
acquire detection data of the capacitive sensors at the at least two positions;
obtain linear combination data according to the detection data of the capacitive sensors at the at least two positions by using a pre-set linear relationship; and determine whether an operation behavior that changes a pre-set initial state of the wearable device is detected according to the linear combination data; and
determine a state of the wearable device to be a target state of the operation behavior if the operation behavior is detected; and determine the state of the wearable device to be the pre-set initial state if the operation behavior is not detected.

10. The apparatus according to claim 9 , wherein the pre-set initial state is a non-wearing state, and the target state of the operation behavior is a wearing state; and the processor is configured to:
determine whether the linear combination data reaches a pre-set first state condition; determine that the operation behavior is detected if the linear combination data reaches the first state condition; and determine that the operation behavior is not detected if the linear combination data does not reach the first state condition.

11. The apparatus according to claim 10 , wherein the processor is further configured to:
determine whether a change amount of the linear combination data is greater than or equal to a pre-set first threshold; determine that the operation behavior is detected if the change amount of the linear combination data is greater than or equal to the first threshold; and determine that the operation behavior is not detected if the change amount of the linear combination data is less than the first threshold.

12. The apparatus according to claim 10 , wherein the processor is further configured to:
detect a rising edge of a curve of the linear combination data; determine that the operation behavior is detected if the rising edge of the curve is detected; and determine that the operation behavior is not detected if the rising edge of the curve is not detected.

13. The apparatus according to claim 9 , wherein the pre-set initial state is a wearing state, and the target state of the operation behavior is a non-wearing state; and the processor is configured to:
determine whether the linear combination data reaches a pre-set second state condition; determine that the operation behavior is detected if the linear combination data reaches the second state condition; and determine that the operation behavior is not detected if the linear combination data does not reach the second state condition.

14. The apparatus according to claim 13 , wherein the processor is further configured to:
determine whether a change amount of the linear combination data is less than or equal to a pre-set second threshold; determine that the operation behavior is detected if the change amount of the linear combination d

Assignees

• Shenzhen Goodix Tech Co Ltd

Inventors

• Wei Haijun

Classifications

• H04R1/1041 Primary

  Mechanical or electronic switches, or control elements (switches in general H01H) · CPC title

• G01V3/088 Primary

  operating with electric fields (G01V3/082 takes precedence) · CPC title

• H04R2420/07

  Applications of wireless loudspeakers or wireless microphones · CPC title

• G06F3/044

  by capacitive means · CPC title

• G06F1/163

  Wearable computers, e.g. on a belt · CPC title