TW202344072A - Headphone - Google Patents

Abstract

A headphone includes a headband and two ear cups connected to opposite ends of the headband. Each ear cup includes a shell, a front cover and a light sensor. The shell has an open end. The front cover covers the open end of the shell, and the front cover is a basin type and has a peripheral side wall and a bottom wall. The light sensor is located on the peripheral side wall of the front cover, and the light sensor includes a light emitting unit and a light detection unit. When a user wears the headphone, the light emitted by the light emitting unit irradiates the flat portion of the back surface of the user's ear.

Description

Headphone device

The present invention relates to an earphone device, and in particular to a headphone device.

With the rapid development of science and technology, various electronic products are developing more rapidly. Earphones can be used as a sound transmission medium between electronic devices and human ears to transmit sound information to human ears.

At present, many wireless headsets are equipped with power button, play button, pause button, etc. due to application requirements. When the user wants to use the earphones, he can first press the power button to turn on the earphones, and press the play button to play music. On the contrary, when the user stops using the earphones, he or she must press the power button to turn off the earphones, or press the pause button to temporarily stop music playback. However, the above-mentioned button pressing action may easily cause inconvenience to the user when using the earphones.

The present invention provides a headphone device, the earmuffs of which include light sensors, which can achieve the effect of detecting whether a user is wearing the headphone device, thereby increasing the convenience of use of the headphone device. .

The headphone device of the present invention includes a headband and two earmuffs connected to opposite ends of the headband. Each earmuff includes a shell, a front cover and a light sensor. The housing has an open end. The front cover covers the open end of the housing. The front cover is in the shape of a basin and has a circumferential side wall and a bottom wall. The light sensor is located on the peripheral side wall of the front cover, and the light sensor includes a light emitting unit and a light detecting unit. When a user wears the headphone device, the light emitted by the light emitting unit irradiates the flat part on the back of the user's ear.

In an embodiment of the present invention, the above-mentioned housing and the front cover together form a first accommodation space, and each earmuff further includes a speaker. The speaker is arranged in the first accommodation space, and the speaker has a sound output surface. The sound emitting side of the speaker faces the bottom wall.

In one embodiment of the present invention, each earmuff mentioned above further includes an outer frame. The front cover is located between the housing and the outer frame. The outer frame includes a frame part and an extension part. The frame part covers the peripheral side wall. The outer edge is fixed to the part of the housing close to the opening end. The extension protrudes from the frame toward the bottom wall and is formed on the inside of the peripheral side wall. The extension has a perforation so that the light emitted by the photo sensor can be illuminated through the perforation. .

In an embodiment of the present invention, each of the above-mentioned earmuffs further includes a mesh cloth. The mesh cloth is sandwiched between the front cover and the outer frame. The mesh cloth has a hole corresponding to the perforation. The light shines through the perforations and holes.

In one embodiment of the present invention, each of the above-mentioned earmuffs further includes a positioning member that is engaged with the extension and presses the mesh around the perforation. The positioning member has a slot corresponding to the perforation.

In an embodiment of the present invention, the sound output surface of the speaker has a normal direction and a first axis passing through the center of the sound output surface of the speaker and parallel to the normal direction, and the light sensor has a light output direction and A second axis passes through the center of the light emitting surface of the photo sensor and is parallel to the light emitting direction. The first axis intersects the second axis and there is an included angle between the first axis and the second axis, and the included angle is less than 110°.

In an embodiment of the present invention, there is a distance between the center of the sound-emitting surface of the speaker and the center of a light-emitting surface of the light sensor, and the distance is less than 60 mm.

In one embodiment of the present invention, each of the above-mentioned earmuffs further includes a foam. The foam surrounds the outer frame. The foam and the front cover jointly define a second accommodation space. The front cover has a through hole so that the second accommodation space can be provided. One accommodation space is acoustically connected to the second accommodation space, and the first axis and the second axis intersect each other in the second accommodation space.

In one embodiment of the present invention, the above-mentioned housing has a side shell and a bottom shell, the opening end is located at an edge of the side shell away from the bottom shell, and the sound output surface of the speaker is not parallel to the bottom shell.

In an embodiment of the present invention, when the above-mentioned user wears the headphone device, the front cover has a bottom end closest to the user's chin, and the imaginary connection between the center of the front cover and the bottom end is The center of the front cover is the origin of the line and rotated 120° clockwise to define an area. The light sensor is arranged on the peripheral side wall of the front cover corresponding to the area so that the light emitting surface of the light sensor faces the user's ear. The flat part of the back.

Based on the above, in the headphone device of the present invention, the sensing technology of the light sensor can be used to detect whether the user is wearing the headphone device, so as to automatically play or pause the headphone device. The basis of music. Furthermore, when the user wears the headphone device, the light sensor is located on the peripheral side wall of the front cover, so that the light emitted by the light emitting unit is irradiated to the flat part on the back of the user's ear, so that This approach can improve the accuracy of sensing to avoid misjudgment.

In order to make the above-mentioned features and advantages of the present invention more obvious and easy to understand, embodiments are given below and described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic three-dimensional view of a headphone device according to an embodiment of the present invention. Please refer to FIG. 1 . The headphone device 100 of this embodiment includes a headband 110 and two ear cups 120 connected to opposite ends of the headband 110 . In this embodiment, the headphone device 100 is, for example, a wireless headphone device, but the invention is not limited thereto. It should be noted that since the components of the earmuffs of the left and right ears are actually the same, the following description will use the earmuff of the left ear (that is, the earmuff on the right in the figure) as an example.

FIG. 2 is an exploded view of the earmuff of FIG. 1 . FIG. 3 is a schematic cross-sectional view of the earmuff of FIG. 2 . Please refer to FIGS. 1 to 3 . In this embodiment, the earmuff 120 includes a housing 121 , a front cover 122 and a light sensor 123 . The housing 121 has an open end 1211. The front cover 122 covers the open end 1211 of the housing 121. The front cover 122 is in a basin shape and has a circumferential side wall 1221 and a bottom wall 1222. The light sensor 123 is located on the peripheral side wall 1221 of the front cover 122 . For example, the light sensor 123 is embedded in the hole H4 of the peripheral side wall 1221, and the present invention is not limited to this.

Specifically, in this embodiment, the housing 121 and the front cover 122 together form a first accommodation space A1. The earmuff 120 further includes a speaker 124. The speaker 124 is disposed in the first accommodation space A1. The speaker 124 It has a sound output surface 1241, and the sound output surface 1241 of the speaker 124 faces the bottom wall 1222.

In this embodiment, the earmuff 120 further includes an outer frame 125. The front cover 122 is located between the housing 121 and the outer frame 125. The outer frame 125 includes a frame part 1251 and an extension part 1252. The frame part 1251 covers The outer edge of the peripheral side wall 1221 is fixed to the portion of the housing 121 close to the opening end 1211. The extension portion 1252 protrudes from the frame portion 1251 toward the bottom wall 1222 and is formed on the inside of the peripheral side wall 1221. The extension portion 1252 has a through hole H1. .

For details, please refer to FIG. 3 . In this embodiment, the light sensor 123 includes a light emitting unit 1231 and a light detecting unit 1232 . The light sensor 123 emits light from the light emitting unit 1231 through the through hole H1, and can receive the reflected light through the light detection unit 1232. In this embodiment, the light emitted by the light emitting unit 1231 is, for example, infrared light or laser light, but the invention is not limited thereto. Here, the light emitting unit 1231 and the light detecting unit 1232 are schematically shown with dotted lines. Sufficient suggestions and implementation descriptions of their operations and implementations can be obtained from the technical field, and therefore will not be described again.

FIG. 4 is a schematic diagram of the headphone device of FIG. 3 being worn by a user. Please refer to FIG. 4 . When a user 10 wears the headphone device 100 , the light emitted by the light emitting unit 1231 irradiates the flat part 12 on the back of the ear 11 of the user 10 to enhance the light sensor. 123 Sensing accuracy. In this way, the light emitted by the light emitting unit 1231 can be prevented from irradiating the head outside the ear 11 because the uneven contour of the head can easily affect the accuracy of sensing.

In this way, the infrared signal is emitted through the light emitting unit 1231, and the infrared signal is received through the light detection unit 1232 to determine whether the user 10 is wearing the headphone device 100, so as to automatically dial the headphone device 100. The basis for playing or pausing music is to increase the convenience of use of the headphone device 100.

Please refer to FIGS. 1 to 3 . In this embodiment, the earmuff 120 further includes a mesh component 126 and a foam 128 . Foam 128 surrounds the outer frame 125 . The mesh component 126 has a first mesh 1262, a second mesh 1263 and a hole H2. The perforation H2 corresponds to the perforation H1 of the extension 1252 . The first mesh 1262 of the mesh assembly 126 is used to cover the foam 128, and the second mesh 1263 of the mesh assembly 126 is at least sandwiched between the front cover 122 and the outer frame 125. The invention is not limited thereto.

In this embodiment, the extension part 1252 includes a positioning part F1 located on the periphery of the perforation H1, and part of the second mesh 1263 of the mesh component 126 (that is, the part around the perforation H2) extends to the positioning part of the extension part 1252. On the part F1, the positioning part F1 of the extension part 1252 can be coated with an adhesive layer, such as glue, to be fixed with the parts around the holes H2 of the mesh component 126, so as to maintain the contact between the holes H2 of the mesh component 126 and the light. The relative position of the sensor 123 is not limited to this invention. In this way, the light emitted by the light emitting unit 1231 can directly illuminate the flat part 12 on the back of the ear 11 of the user 10 without passing through any shielding object (such as mesh), so as to enhance the light sensor 123 Sensing accuracy.

Furthermore, the earmuff 120 of this embodiment further includes a positioning member 127, which is engaged with the positioning part F1 of the extension part 1252 and presses the mesh component 126 around the hole H2 to strengthen the positioning part 127. The present invention is not limited to the effect of maintaining the relative position of the hole H2 and the photo sensor 123 . In this embodiment, the positioning member 127 has a slot H3 corresponding to the through hole H1 of the extension 1252 . In this way, the light emitted by the photo sensor 123 can be emitted through the through hole H1, the hole H2 and the slot hole H3.

Please refer to Figure 2. In this embodiment, the housing 121 has a side shell 1212 and a bottom shell 1213. The opening end 1211 is located at the edge of the side shell 1212 away from the bottom shell 1213. Please refer to Figure 3. In this embodiment, , the sound output surface 1241 of the speaker 124 and the bottom case 1213 are arranged in a non-parallel state. The advantage of this design is that the sound generated by the tilted speaker 124 can be transmitted to the user's ear canal more smoothly.

Please continue to refer to FIG. 3. In this embodiment, the sound output surface 1241 of the speaker 124 has a normal direction N1 and a first axis L1 passing through the center of the sound output surface 1241 of the speaker 124 and parallel to the normal direction N1. The photo sensor 123 has a light emitting direction N2 and a second axis L2 passing through the center of a light emitting surface 1233 of the photo sensor 123 and parallel to the light emitting direction N2. The first axis L1 intersects the second axis L2 and the first axis L2 intersects with the second axis L2. There is an included angle α between the axis L1 and the second axis L2, and the included angle α is less than 110°, so that the light emitting surface 1233 of the light sensor 123 can face the flat part on the back of the ear 11 of the user 10 as shown in FIG. 4 12.

More specifically, in this embodiment, the foam 128 and the front cover 122 jointly define a second accommodation space A2, and the front cover 122 has a through hole 1223, so that the first accommodation space A1 is acoustically connected to the second accommodation space A2. In the accommodation space A2, the first axis L1 and the second axis L2 intersect each other in the second accommodation space A2.

Figures 5 and 6 are respectively schematic side views of the earmuff of Figure 3. Please refer to FIG. 5 first. In this embodiment, there is a distance D1 between the center C1 of the sound emitting surface 1241 of the speaker 124 and the center C2 of the light emitting surface 1233 of the light sensor 123. The distance D1 is less than 60 mm, so that The light sensor 123 can be close to the flat part 12 on the back of the ear 11 of the user 10 shown in FIG. 4 . It should be noted that in order to clearly show the internal structure of the earmuff, components such as the front cover 122, the outer frame 125, and the foam 128 are omitted in FIG. 5 .

Please refer to FIG. 6 . When the user 10 shown in FIG. 4 wears the headphone device 100 , the front cover 122 has a bottom end E1 closest to the chin 13 of the user 10 , and the center C3 of the front cover 122 is The imaginary line between the bottom ends E1 takes the center C3 of the front cover 122 as the origin and rotates clockwise by an angle β to define a region R1. In this embodiment, the angle β is, for example, 120°, but the invention is not limited thereto. Taking the earmuff 120 of the left ear in FIG. 6 as an example, the clockwise direction is, for example, the direction of upward rotation from the bottom end E1 to the back of the user's 10 head. The present invention is not limited thereto. In this embodiment, the photo sensor 123 is disposed on the peripheral side wall 1221 of the front cover 122 corresponding to the rotation region R1 so that the light exit surface 1233 of the photo sensor 123 can face the ear 11 of the user 10 shown in FIG. 4 The flat part 12 on the back of itself. It should be noted that, in order to clearly show the internal structure of the earmuff, some components in FIG. 6 are shown with dotted lines.

To sum up, in the headphone device of the present invention, when the user wears the headphone device, the light emitted by the light emitting unit irradiates the flat part of the back of the user's ear, and the light detection The measuring unit receives the infrared signal to determine that the user has worn the headphone device, and serves as the basis for the headphone device to automatically play music. On the contrary, when the user takes off the headphone device, the light detection unit does not receive the infrared signal to determine that the user is not wearing the headphone device, which is used as the basis for the headphone device to automatically pause music playback. On the other hand, the mesh of the earmuff has holes, which are aligned with the light-emitting surface of the light sensor, allowing the light emitted by the light-emitting unit to directly illuminate the flat part on the back of the user's ear itself. And without any obstruction to improve the accuracy of light sensor sensing. Furthermore, the extension part of the outer frame has perforations, and the perforations correspond to the perforations of the mesh. The positioning parts around the perforations of the extension part are fixed with the parts around the perforations to maintain the perforations and light sensing of the mesh. relative position of the device. Furthermore, the positioning member can also be used to engage with the positioning portion of the extension portion and press the mesh around the hole to enhance the effect of maintaining the relative position between the hole and the photo sensor.

Although the present invention has been disclosed above through embodiments, they are not intended to limit the present invention. Anyone with ordinary knowledge in the technical field may make some modifications and modifications without departing from the spirit and scope of the present invention. Therefore, The protection scope of the present invention shall be determined by the appended patent application scope.

10:User 11:Ears 12: Flat area 13: Chin 100:Headphone device 110:Headband 120: earmuffs 121: Shell 1211:Open end 1212: Side shell 1213: Bottom shell 122:Front cover 1221: Surrounding side wall 1222: Bottom wall 1223:Through hole 123:Light sensor 1231:Light emitting unit 1232:Light detection unit 1233: light-emitting surface 124: Speaker 1241:Vocal side 125:Outer frame 1251: Frame part 1252:Extension 126: Mesh components 1262:First mesh 1263:Second mesh 127: Positioning parts 128:Foam A1: First accommodation space A2: Second accommodation space C1, C2, C3: center D1: distance E1: bottom L1: first axis L2: Second axis N1: normal direction N2: light emission direction H1: Perforation H2: hole H3: slot H4: Cave entrance F1: Positioning Department R1:Region α: included angle β: angle

FIG. 1 is a schematic three-dimensional view of a headphone device according to an embodiment of the present invention. FIG. 2 is an exploded view of the earmuff of FIG. 1 . FIG. 3 is a schematic cross-sectional view of the earmuff of FIG. 2 . FIG. 4 is a schematic diagram of the headphone device of FIG. 3 being worn by a user. Figures 5 and 6 are respectively schematic side views of the earmuff of Figure 3.

100:Headphone device

110:Headband

120: earmuffs

121: Shell

123:Light sensor

126: Mesh component

1262:First mesh

1263:Second mesh

127: Positioning parts

Claims (10)

A headphone device, the headphone device includes a headband and two earmuffs connected to opposite ends of the headband, each of the earmuffs includes: a shell with an open end; A front cover covers the open end of the housing. The front cover is in the shape of a basin and has a circumferential side wall and a bottom wall; and A light sensor is located on the peripheral side wall of the front cover. The light sensor includes a light emitting unit and a light detection unit; When a user wears the headphone device, the light emitted by the light emitting unit irradiates the flat part on the back of the user's ear. The headphone device according to claim 1, wherein the shell and the front cover jointly form a first accommodation space, and each earmuff further includes a speaker, and the speaker is disposed in the first accommodation space. , the speaker has a sound emitting surface, and the sound emitting surface of the speaker faces the bottom wall. The headphone device of claim 2, wherein each earmuff further includes an outer frame, the front cover is located between the housing and the outer frame, and the outer frame includes a frame part and an extension part. , the frame part covers the outer edge of the peripheral side wall and is fixed to the part of the housing close to the opening end. The extension part protrudes from the frame part toward the bottom wall and is formed on the inside of the peripheral side wall. The extension part The part has a perforation, so that the light emitted by the light sensor is irradiated through the perforation. The headphone device according to claim 3, wherein each earmuff further includes a mesh, the mesh is sandwiched between the front cover and the outer frame, and the mesh has a hole corresponding to the perforation. The light emitted by the light sensor is emitted through the hole and the hole. The headphone device according to claim 4, wherein each earmuff further includes a positioning member that is engaged with the extension and presses the mesh around the hole, and the positioning member has a position corresponding to A slot for the perforation. The headphone device according to claim 3, wherein the sound output surface of the speaker has a normal direction and a first axis passing through the center of the sound output surface of the speaker and parallel to the normal direction, The light sensor has a light emitting direction and a second axis that passes through the center of a light emitting surface of the light sensor and is parallel to the light emitting direction. The first axis intersects the second axis and the first axis intersects the second axis. There is an included angle between the second axes, and the included angle is less than 110°. The headphone device of claim 2, wherein there is a distance between the center of the sound-emitting surface of the speaker and the center of a light-emitting surface of the light sensor, and the distance is less than 60 mm. The headphone device of claim 6, wherein each earmuff further includes a foam surrounding the outer frame, and the foam and the front cover jointly define a second accommodation space, the The front cover has a through hole so that the first accommodation space is acoustically connected to the second accommodation space, and the first axis and the second axis intersect each other in the second accommodation space. The headphone device according to claim 2, wherein the housing has a side shell and a bottom shell, the opening end is located at an edge of the side shell away from the bottom shell, and the sound output surface of the speaker is in contact with the bottom shell. The bottom shell is not arranged in parallel. The headphone device of claim 9, wherein when the user wears the headphone device, the front cover has a bottom end closest to the user's chin, and the center of the front cover The imaginary line between the bottom end and the center of the front cover is taken as the origin and rotated 120° clockwise to define an area. The light sensor is arranged on the peripheral side wall of the front cover corresponding to this area. So that a light-emitting surface of the light sensor faces the flat part on the back of the user's ear.

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