US-20260129337-A1 - EARPHONES

US20260129337A1US 20260129337 A1US20260129337 A1US 20260129337A1US-20260129337-A1

Abstract

The present disclosure provides an earphone. The earphone includes a first housing, a first touch detection element, a second touch detection element, and a processing circuit. The first housing has a first touch region and a second touch region that are spaced apart from each other and arranged back-to-back in orientation. The first touch detection element is configured to generate a first touch indication signal in response to a capacitance change caused by a touch operation of a user on the first touch region. The second touch detection element is configured to generate a second touch indication signal in response to a capacitance change caused by a touch operation of the user on the second touch region. The processing circuit is configured to generate a control instruction based on the first touch indication signal, the second touch indication signal, and a preset instruction generation logic.

Inventors

Chu Wang
Jianhua Xie

Assignees

Shenzhen Shokz Co., Ltd.

Dates

Publication Date: 20260507
Application Date: 20251228

Claims (20)

1 . An earphone, comprising: a first housing, a first touch detection element, a second touch detection element, and a processing circuit, wherein the first housing carries the first touch detection element and the second touch detection element, and has a first touch region and a second touch region that are spaced apart from each other and arranged back-to-back in orientation, wherein in a wearing state of the earphone, the first housing is located on a back side of a helix of a user; the first touch detection element is configured to generate a first touch indication signal in response to a capacitance change caused by a touch operation of the user on the first touch region; the second touch detection element is configured to generate a second touch indication signal in response to a capacitance change caused by a touch operation of the user on the second touch region; and the processing circuit is configured to generate a control instruction based on the first touch indication signal, the second touch indication signal, and a preset instruction generation logic.
2 . The earphone according to claim 1 , wherein in a wearing state of the earphone, a spacing direction between the first touch region and the second touch region is arranged to intersect with a horizontal plane of the user.
3 . The earphone according to claim 1 , wherein the preset instruction generation logic is configured to generate a first control instruction in response to the first touch indication signal and the second touch indication signal, respectively indicating that the user is continuously contacting the first touch region and the second touch region.
4 . The earphone according to claim 1 , wherein the preset instruction generation logic is configured to generate a second control instruction in response to the first touch indication signal indicating that the user continuously contacts the first touch region, while the second touch indication signal indicates that the user is tapping the second touch region.
5 . The earphone according to claim 1 , wherein the preset instruction generation logic is configured to generate a third control instruction in response to the first touch indication signal and the second touch indication signal, respectively indicating that the user is tapping the first touch region and tapping the second touch region.
6 . The earphone according to claim 1 , wherein the processing circuit is configured to generate the control instruction based on the preset instruction generation logic when confirming that the first touch indication signal and the second touch indication signal are greater than a first threshold and a second threshold, respectively.
7 . The earphone according to claim 1 , further comprising: a wearing detection element configured to detect whether the earphone is in the wearing state or a non-wearing state, wherein the processing circuit is configured to select different preset instruction generation logics when the earphone is in the wearing state or the non-wearing state, such that identical first touch indication signals and identical second touch indication signals produce different control signals through the different preset instruction generation logics.
8 . The earphone according to claim 1 , further comprising: a left-right ear detection element configured to detect whether the earphone is worn on a left ear or a right ear, wherein the processing circuit is configured to select different preset instruction generation logics when the earphone is worn on the left ear or the right ear, such that identical first touch indication signals and identical second touch indication signals produce different control signals through the different preset instruction generation logics.
9 . The earphone according to claim 8 , wherein the left-right ear detection element is a gravity sensor, wherein the earphone further includes a wearing detection element configured to detect whether the earphone is in a wearing state or a non-wearing state, and the processing circuit is configured to trigger a detection function of the left-right ear detection element when the earphone is in the wearing state.
10 . The earphone according to claim 1 , wherein the earphone further includes a battery disposed in the first housing, the battery being arranged in a column shape, the first touch detection element and the second touch detection element are respectively arranged in a sheet-shape, and the first touch detection element and the second touch detection element are spaced apart along an axial direction of the battery and disposed at two ends of the battery.
11 . The earphone according to claim 10 , wherein at least a portion of a projection of the first touch detection element along the axial direction of the battery and at least a portion of a projection of the second touch detection element along the axial direction of the battery overlap with an end face of the battery, respectively.
12 . The earphone according to claim 11 , wherein a ratio of an overlapping area between the first touch detection element and the end face of the battery to an area of a main surface of the first touch detection element is greater than or equal to 0.9; and a ratio of an overlapping area between the second touch detection element and the end face of the battery to an area of a main surface of the second touch detection element is greater than or equal to 0.9.
13 . The earphone according to claim 12 , wherein the overlapping area between the first touch detection element and the end face of the battery is equal to a total projection area of the first touch detection element along the axial direction of the battery; and the overlapping area between the second touch detection element and the end face of the battery is equal to a total projection area of the second touch detection element along the axial direction of the battery.
14 . The earphone according to claim 12 , wherein an angle between a normal direction of the main surface of the first touch detection element and the axial direction of the battery is less than or equal to 10°, and an angle between a normal direction of the main surface of the second touch detection element and the axial direction of the battery is less than or equal to 10°.
15 . The earphone according to claim 12 , wherein an angle between a normal direction of the main surface of the first touch detection element and the axial direction of the battery is less than or equal to 3°, and an angle between a normal direction of the main surface of the second touch detection element and the axial direction of the battery is less than or equal to 3°.
16 . The earphone according to claim 14 , further comprising: a second housing, a connecting component, and a sounding assembly, wherein the sounding assembly is disposed in the second housing, the connecting component connects the first housing and the second housing, in a wearing state of the earphone, the first housing and the second housing form a clamping fit on two sides of the helix, and the second housing is located in a cavum concha.
17 . The earphone according to claim 16 , wherein the connecting component has a symmetry plane arranged along a length direction of the connecting component, and the axial direction of the battery is arranged to intersect with the symmetry plane.
18 . The earphone according to claim 17 , wherein the earphone is configured as a symmetrical structure symmetrical with respect to the symmetry plane of the connecting component.
19 . The earphone according to claim 17 , wherein the symmetry plane intersects with a sagittal plane of the user, and an angle between the symmetry plane and the sagittal plane is greater than or equal to 72° and less than or equal to 90°.
20 . The earphone according to claim 19 , wherein the angle between the symmetry plane and the sagittal plane is greater than or equal to 80° and less than or equal to 90°.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application is a continuation of International Patent Application No. PCT/CN2024/096717, filed on May 31, 2024, the contents of which are hereby incorporated by reference. TECHNICAL FIELD The present disclosure relates to the field of electronic devices, and in particular, to an earphone. BACKGROUND With the continuous popularization of electronic devices, electronic devices have become indispensable social and entertainment tools in people's daily lives, and people's requirements for electronic devices are also increasing. Earphones, as such electronic devices, have been widely used in people's daily lives. They are used in conjunction with terminal devices such as mobile phones and computers to provide users with an auditory feast. According to the working principle of earphones, earphones can generally be classified into air conduction earphones and bone conduction earphones; according to the way users wear earphones, earphones can generally be classified into over-ear earphones, ear-clip earphones, and in-ear earphones; and according to the interaction manner between earphones and electronic devices, earphones can also be classified into wired earphones and wireless earphones. However, current ear-clip earphones are prone to false touches by users during use, making it difficult to meet usage requirements. SUMMARY Some embodiments of the present disclosure provide an earphone. The earphone includes a first housing, a first touch detection element, a second touch detection element, and a processing circuit. The first housing carries the first touch detection element and the second touch detection element, and has a first touch region and a second touch region that are spaced apart from each other and arranged back-to-back in orientation. The first touch detection element is configured to generate a first touch indication signal in response to a capacitance change caused by a touch operation of a user on the first touch region. The second touch detection element is configured to generate a second touch indication signal in response to a capacitance change caused by a touch operation of the user on the second touch region. The processing circuit is configured to generate a control instruction based on the first touch indication signal, the second touch indication signal, and a preset instruction generation logic. In some embodiments, in a wearing state of the earphone, the first housing is located on a back side of a helix of the user, and a spacing direction between the first touch region and the second touch region is arranged to intersect with a horizontal plane of the user. In some embodiments, the preset instruction generation logic is configured to generate a first control instruction in response to the first touch indication signal and the second touch indication signal, respectively indicating that the user is continuously contacting the first touch region and the second touch region. In some embodiments, the preset instruction generation logic is configured to generate a second control instruction in response to the first touch indication signal indicating that the user continuously contacts the first touch region, while the second touch indication signal indicates that the user is tapping the second touch region. In some embodiments, the preset instruction generation logic is configured to generate a third control instruction in response to the first touch indication signal and the second touch indication signal, respectively indicating that the user is tapping the first touch region and tapping the second touch region. In some embodiments, the earphone further includes a wearing detection element. The wearing detection element is configured to detect whether the earphone is in a wearing state or a non-wearing state. The processing circuit is configured to select different preset instruction generation logics when the earphone is in the wearing state or the non-wearing state, such that identical first touch indication signals and identical second touch indication signals produce different control signals through the different preset instruction generation logics. In some embodiments, the earphone further includes a left-right ear detection element. The left-right ear detection element is configured to detect whether the earphone is worn on a left ear or a right ear. The processing circuit is configured to select different preset instruction generation logics when the earphone is worn on the left ear or the right ear, such that identical first touch indication signals and identical second touch indication signals produce different control signals through the different preset instruction generation logics. In some embodiments, the left-right ear detection element is a gravity sensor. The earphone further includes a wearing detection element configured to detect whether the earphone is in a wearing state or a non-wearing state. The processing circuit is c