WO2021104233A1 - Dispositif électronique - Google Patents

Dispositif électronique Download PDF

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Publication number
WO2021104233A1
WO2021104233A1 PCT/CN2020/131036 CN2020131036W WO2021104233A1 WO 2021104233 A1 WO2021104233 A1 WO 2021104233A1 CN 2020131036 W CN2020131036 W CN 2020131036W WO 2021104233 A1 WO2021104233 A1 WO 2021104233A1
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WO
WIPO (PCT)
Prior art keywords
sound
channel
guide channel
cavity
electronic device
Prior art date
Application number
PCT/CN2020/131036
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English (en)
Chinese (zh)
Inventor
吕方
蒋国珠
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2021104233A1 publication Critical patent/WO2021104233A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities

Definitions

  • the present invention relates to the technical field of communication equipment, and in particular to an electronic device.
  • the acoustic performance of electronic devices continues to be optimized.
  • the call function of an electronic device is its basic function.
  • the user holds the electronic device to make a call.
  • current electronic devices are usually equipped with at least two sound-producing devices (such as receivers).
  • the user can increase the volume of the electronic device. Ground up. In this case, people around will also hear the sound from the electronic device, and then hear the content of the call. Obviously, this will cause the user's privacy to be leaked.
  • the invention discloses an electronic device to solve the problem that the current electronic device cannot take into account the security of the call and the clear call when making a call.
  • the present invention adopts the following technical solutions:
  • An electronic device including a device main body, a first sounding device and a second sounding device, wherein:
  • the device body is provided with a first sound outlet, a second sound outlet, a first installation cavity, a second installation cavity, a first sound guide channel and a second sound guide channel, and the first sound hole is located in the On the first side of the main body of the device, the second sound outlet is located on the second side of the main body of the device;
  • the first sound emitting device is arranged in the first installation cavity, and the first sound emitting device divides the first installation cavity into a first sub-cavity and a second sub-cavity;
  • the second sound emitting device is arranged in the second installation cavity, and the second sound emitting device divides the second installation cavity into a third sub-cavity and a fourth sub-cavity;
  • the first subcavity and the third subcavity are both in communication with the first sound outlet, the second subcavity is in communication with the second sound outlet through a first sound guide channel, and the fourth The sub-cavity communicates with the second sound outlet through the second sound guide channel.
  • the electronic device disclosed in the embodiment of the present invention improves the structure of the existing electronic device, by opening a first sound hole on the first side of the device body and a second sound hole on the second side of the device body, And make the first sound-emitting device divide the first installation cavity into a first sub-cavity and a second sub-cavity, at the same time make the second sound-emitting device divide the second installation cavity into a third sub-cavity and a fourth sub-cavity, the first sound guide
  • the channel and the second sound guide channel can change the phase of the second sound wave emitted from the second sound hole, so that the phase of the second sound wave is different from the first sound wave, thereby achieving a certain sound wave cancellation effect, which can effectively reduce The amount of sound leakage.
  • the reduction in the amount of sound leakage enables the user to make a clearer call by adjusting the louder volume during a call using an electronic device. At the same time, due to the cancellation between the first sound wave and the second sound wave, it can make the sound transmission The attenuation is large in the process, which can alleviate the problem that people around the user hear the sound from the electronic device during the call.
  • FIG. 1 is a schematic diagram of a partial structure of a first electronic device disclosed in an embodiment of the present invention
  • FIG. 2 is a cross-sectional view of a partial structure of an electronic device disclosed in an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a partial structure of a second electronic device disclosed in an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a partial structure of a third electronic device disclosed in an embodiment of the present invention.
  • 100-device main body 110-first sound hole, 120-second sound hole, 130-first installation cavity, 131-first sub-cavity, 132-second sub-cavity, 140-second installation cavity, 150 -The first sound guide channel, 151-The first main sound channel, 152-The first auxiliary sound channel, 160-The second sound guide channel, 161-The second master sound channel, 162-The second auxiliary sound channel, 170 -Common channel, 100a- middle frame, 100a1- first limit part, 100b- rear cover, 100b1- first support part, 100c- display screen,
  • an embodiment of the present invention discloses an electronic device.
  • the disclosed electronic device includes a device main body 100, a first sounding device 200 and a second sounding device 300.
  • the device main body 100 is the main body of the electronic device. Under normal circumstances, the device body 100 includes main components of an electronic device.
  • the device body 100 may include a device casing and functional devices such as a display screen 100c, a battery, and a motherboard installed in the device casing.
  • the device body 100 is provided with a first sound outlet 110, a second sound outlet 120, a first installation cavity 130, a second installation cavity 140, a first sound guide channel 150, and a second sound guide channel. 160.
  • the directions of the first sound outlet hole 110 and the second sound outlet hole 120 are different.
  • the first sound outlet 110 may be located on the first side of the device main body 100
  • the second sound outlet 120 may be located on the second side of the device main body 100.
  • the first sound emitting device 200 and the second sound emitting device 300 are devices capable of generating sound from an electronic device.
  • both the first sound emitting device 200 and the second sound emitting device 300 may be receivers.
  • the sound generated by the first sound emitting device 200 and the second sound emitting device 300 can be transmitted to the electronics through the first sound outlet 110 and the second sound outlet 120.
  • the first sound emitting device 200 is disposed in the first installation cavity 130 to realize the assembly with the main body 100 of the device.
  • the first sound emitting device 200 partitions the first mounting cavity 130 into a first sub-cavity 131 and a second sub-cavity 132.
  • the first sub-cavity 131 and the second sub-cavity 132 are sealed and isolated.
  • the first sub-cavity 131 communicates with the first sound outlet 110
  • the second sub-cavity 132 communicates with the second sound outlet 120 through the first sound guide channel 150.
  • the sound generated by the first sound emitting device 200 will pass through the first sub-cavity 131 and the first sound outlet 110 in turn and then be transmitted to the environment where the electronic device is located.
  • the generated sound will sequentially pass through the second sub-cavity 132, the first sound guide channel 150 and the second sound outlet 120 and then be transmitted to the environment where the electronic device is located.
  • the second sound emitting device 300 is disposed in the second installation cavity 140 to realize the assembly with the main body 100 of the device.
  • the second sounding device 300 partitions the second mounting cavity 140 into a third sub-cavity and a fourth sub-cavity.
  • the third sub-cavity and the fourth sub-cavity are sealed and isolated.
  • the third sub-cavity communicates with the first sound outlet 110, and the fourth sub-cavity communicates with the second sound outlet 120 through the second sound guide channel 160.
  • the sound generated by the second sound emitting device 300 will pass through the third subcavity and the first sound outlet 110 in turn and then be transmitted to the environment where the electronic device is located.
  • the sound generated by the device 300 will sequentially pass through the fourth sub-cavity, the second sound guide channel 160 and the second sound outlet 120 and then be transmitted to the environment where the electronic device is located.
  • Both the first sound guide channel 150 and the second sound guide channel 160 are channels capable of conducting sound.
  • the first sound guide channel 150 and the second sound guide channel 160 can adjust the phase of the second sound wave transmitted from the second sound hole 120, so that the second sound wave transmitted from the second sound hole 120 meets the requirements described below. The requirements mentioned above.
  • the sound waves emitted by the first sound emitting device 200 and the second sound emitting device 300 through the first sound hole 110 are the first sound waves
  • the sound waves emitted by the first sound device 200 and the second sound device 300 through the second sound holes 120 are the first sound waves.
  • the phases of the first sound wave and the second sound wave are different, so that the first sound wave and the second sound wave can produce a certain cancellation effect after meeting, thereby promoting the attenuation of the sound in the propagation process.
  • the electronic device disclosed in the embodiment of the present invention improves the structure of the existing electronic device, by opening a first sound hole 110 on the first side of the device main body 100 and opening a second outlet on the second side of the device main body 100
  • the sound hole 120 allows the first sounding device 200 to divide the first mounting cavity 130 into a first sub-cavity 131 and a second sub-cavity 132, while the second sounding device 300 divides the second mounting cavity 140 into a third sub-cavity And the fourth subcavity, the first sound guide channel 150 and the second sound guide channel 160 can change the phase of the second sound wave emitted from the second sound outlet 120, so that the second sound wave has a different phase from the first sound wave, So as to achieve a certain sound wave cancellation effect, which can effectively reduce the amount of sound leakage.
  • the reduction in the amount of sound leakage enables the user to make a clearer call by adjusting the louder volume during a call using an electronic device. At the same time, due to the cancellation between the first sound wave and the second sound wave, it can make the sound transmission The attenuation is large in the process, which can alleviate the problem that people around the user hear the sound from the electronic device during the call.
  • the first sound wave and the second sound wave can be in opposite phases, so that the first sound wave and the second sound wave can be reversed and canceled when they meet, which can further promote the attenuation of sound transmission to a distant place. It is beneficial to further reduce the sound leakage of electronic equipment.
  • the first sound hole 110 is provided on the first side of the device body 100
  • the second sound hole 120 is provided on the second side of the device body 100.
  • the first side and the second side may be opposite sides of the device main body 100, or two adjacent sides of the device main body 100, that is, the first side and the second side are arranged adjacent to each other.
  • the first sound outlet 110 and the second sound outlet 120 can realize simultaneous sound of the two opposite sides of the electronic device.
  • the first side is the side where the display screen 100c of the electronic device is mounted
  • the second side is the other side where the battery cover is mounted on the electronic device.
  • the first side is the side where the electronic device is mounted with the display screen 100c
  • the second side is the side where the side of the electronic device is located, for example, it can be the outer side of the middle frame of the electronic device.
  • the first sound guide channel 150 and the second sound guide channel 160 function to conduct sound and adjust the phase of the second sound wave.
  • the line between the center of the first sounding device 200 and the center of the second sounding device 300 may be parallel to the top edge of the electronic device, so that the first sounding device 200 and the second sounding device 300 can be more regular The way to implement deployment.
  • the first sound emitting device 200 and the second sound emitting device 300 may be symmetrically arranged on both sides of the first symmetry axis, and the second sound outlet 120 may be located on the first symmetry axis.
  • the above arrangement makes the first sound emitting device 200 and the second sound emitting device 300 symmetrically arranged on both sides of the second sound outlet 120, thereby making the layout more reasonable, which is beneficial to improve the appearance performance of the electronic device, and also helps to improve the sound production. Balance.
  • the number of the second sound outlet 120 may be at least two, and the second sound outlet 120 may be symmetrically arranged on both sides of the first symmetry axis, so as to achieve a more balanced sound.
  • the second sound holes 120 are symmetrically arranged on both sides of the first symmetry axis, so that the layout of the second sound holes 120 is more regular, so that the appearance performance of the electronic device can be further improved.
  • first sound guide channel 150 and the second sound guide channel 160 can also be arranged in a variety of ways.
  • first sound guide channel 150 and the second sound guide channel 160 can be symmetrically arranged at On both sides of the first symmetry axis, this arrangement makes the sound transmitted to the second sound hole 120 through the first sound guide channel 150 and the second sound guide channel 160 have better synchronization, which is beneficial to improve the sound performance of the electronic device .
  • both the first sound guide channel 150 and the second sound guide channel 160 may be strip-shaped channels.
  • the first end of the first sound guide channel 150 communicates with the second sub-cavity 132, and the second end of the first sound guide channel 150 communicates with the second sound outlet 120.
  • the third end of the second sound guide channel 160 communicates with the fourth sub-cavity, and the fourth end of the second sound guide channel 160 communicates with the second sound outlet 120.
  • the first end of the first sound guide channel 150 and the second end of the first sound guide channel 150 can be arranged in sequence in the length direction of the electronic device, and the third end of the second sound guide channel 160 is connected to the second end of the second sound guide channel.
  • the fourth end of 160 may be sequentially arranged in the length direction of the electronic device or the width direction of the electronic device.
  • the length direction of the electronic device refers to the direction of the larger size in the plane of the display screen 100c of the electronic device
  • the width direction of the electronic device is perpendicular to the length direction of the electronic device.
  • the projection of the electronic device perpendicular to the display screen 100c is a rectangle or a long structure similar to a rectangle.
  • the length direction of the electronic device can be regarded as the direction in which the long side of the projection extends
  • the width direction of the electronic device can be regarded as The direction in which the broad side of the projection extends.
  • the top edge of the electronic device described herein can be regarded as an edge on the electronic device corresponding to a wide side of the projection.
  • the first sound guide channel 150 and the second sound guide channel 160 can be directly connected to the second sound outlet 120, of course, they can also be indirectly connected. Please refer to FIG. 3 again.
  • the device body 100 may also be provided with a common channel 170.
  • the first sound guide channel 150 and the second sound guide channel 160 are both strip-shaped channels. The first end is in communication with the second sub-cavity 132, and the second end of the first sound guide channel 150 is in communication with the second sound outlet 120 through the common channel 170.
  • the third end of the second sound guide channel 160 communicates with the fourth sub-cavity, and the fourth end of the second sound guide channel 160 communicates with the second sound outlet 120 through the common channel 170.
  • This way of sharing the channel 170 can simplify the structure. Under the condition that the phase adjustment of the sound wave is satisfied, the sound emitted by the first sound emitting device 200 and the second sound emitting device 300 can be mixed in advance, so that the final output from the second sound hole 120 can be optimized. The performance of the transmitted sound.
  • the axes of the first sound guide channel 150 and the second sound guide channel 160 may be the same.
  • the first sound guide channel 150 and the second sound guide channel 160 may extend toward each other, and the second end of the first sound guide channel 150, the fourth end of the second sound guide channel 160, and the fifth end of the common channel 170 may intersect at the same position.
  • the fourteenth end of the common channel 170 may extend along the length direction of the electronic device.
  • the axis of the common channel 170 and the axis of the first sound guide channel 150 may be perpendicular, and the first sound guide channel 150, the second sound guide channel 160 and the common channel 170 may form a T-shaped sound guide channel.
  • one or more second sound outlet holes 120 may be opened.
  • the first sound outlet 110, the second sound outlet 120, the first installation cavity 130, the second installation cavity 140, the first sound guide channel 150, and the second sound guide channel 160 are formed in the following ways: Many kinds.
  • the first sound outlet 110, the second sound outlet 120, the first installation cavity 130, the second installation cavity 140, the first sound guide channel 150, and the second sound guide channel 160 may all be formed in the device body 100.
  • at least part of the first sound hole 110, the second sound hole 120, the first installation cavity 130, the second installation cavity 140, the first sound guide channel 150 and the second sound guide channel 160 can be connected by the device housing and Other functional devices of the electronic device (for example, the display screen 100c) are formed together.
  • the embodiment of the present invention does not limit the specific forming methods of the first sound outlet 110, the second sound outlet 120, the first installation cavity 130, the second installation cavity 140, the first sound guide channel 150 and the second sound guide channel 160.
  • the device main body 100 may include a device housing and a display screen 100c, and the device housing may include a middle frame 100a, a rear cover 100b, and a front cover.
  • the middle frame 100a, the back cover 100b, and the front cover are usually fixedly connected in a detachable connection manner.
  • the middle frame 100a and the back cover 100b, and the front cover and the middle frame 100a can all be snap-fitted.
  • the display screen 100c can be arranged on the front cover, the rear cover 100b is connected to the side of the middle frame 100a facing away from the front cover, the back cover 100b is provided with a second sound hole 120, and the back cover 100b is connected to the middle frame.
  • 100a encloses a first sound guide channel 150 and a second sound guide channel 160.
  • the display screen 100c can be arranged on the back cover 100b, the back cover 100b is connected to the side of the middle frame 100a away from the front cover, the front cover is provided with a first sound hole 110, the back cover 100b and The middle frame 100 a encloses the first sound guide channel 150 and the second sound guide channel 160.
  • the display screen 100c may be arranged on the front cover or the back cover 100b, and the front cover and the back cover 100b are respectively connected to opposite sides of the middle frame 100a.
  • the first sound guide channel 150 and the second sound guide channel 160 are enclosed by the back cover 100b and the middle frame 100a. After the rear cover 100b and the middle frame 100a are assembled, the first sound guide channel 150 and the second sound guide channel can be formed 160.
  • the above-mentioned structure is relatively simple to form without causing the structure of the component to be too complicated.
  • one of the display screen 100c and the front cover is provided with a first sound outlet 110.
  • the top end of the display screen 100c opposite to the middle frame 100a surrounds the first sound outlet 110.
  • one of the display screen 100c and the back cover is provided with a second sound outlet 120.
  • the embodiment of the present invention does not limit the specific forming manner of the first sound outlet 110 and the second sound outlet 120.
  • first installation cavity 130 and the second installation cavity 140 may be separately formed on the device housing, or may be enclosed by the device housing and the display screen 100c.
  • the display screen 100c can enclose the first installation cavity 130 and the second installation cavity 140 with the middle frame 100a and the back cover 100b.
  • the above-mentioned manner of enclosing the first installation cavity 130 and the second installation cavity 140 is beneficial The assembly of the first sound emitting device 200 and the second sound emitting device 300.
  • the first sound emitting device 200 is installed in the first installation cavity 130, and the second sound emitting device 300 is installed in the second installation cavity 140.
  • the middle frame 100a may include a first limiting portion 100a1
  • the back cover 100b may include a first supporting portion 100b1
  • a first sound emitting device 200 may be disposed between the first limiting portion 100a1 and the first supporting portion 100b1.
  • the middle frame 100a may include a second limiting portion
  • the rear cover may include a second supporting portion
  • the second sound emitting device 300 may be disposed on the second limiting portion and the second limiting portion. Between two supporting parts.
  • the first sound emitting device 200 and the second sound emitting device 300 can be fixed to the first support portion 100b1 and the first limiting portion 100a1 and respectively along with the assembly between the back cover 100b and the middle frame 100a. Between the second supporting part and the second limiting part, clamping and fixing are realized.
  • both the first support portion 100b1 and the second support portion may be support bumps, and may also be other structures that can play a supporting role, such as a support frame.
  • the embodiment of the present invention does not limit the specific structures of the first support portion 100b1 and the second support portion.
  • the electronic device disclosed in the embodiment of the present invention may further include a camera module, which is disposed on the second side of the device main body 100, that is, the camera module and the second sound hole 120 are located on the same side.
  • the camera module can realize the camera function of the electronic device.
  • both the first sound hole 110 and the second sound hole 120 may be provided with a dust-proof decorative net 400.
  • the dust-proof decorative net 400 can play a role in preventing dust.
  • the dust-proof decoration The net 400 can prevent the first sound outlet hole 110 and the second sound outlet hole 120 from being directly exposed with a larger diameter, and thus can play a certain decorative role.
  • the size, thickness, material and other parameters of the dust-proof decorative net 400 can be adjusted to adjust the sound output size of the second sound outlet 120 to achieve a better cancellation effect.
  • each second sound outlet hole 120 may be arranged at intervals.
  • the radiation width of the second sound wave can be widened, so as to achieve a better cancellation effect with the first sound wave.
  • the first sound hole 110 may be a strip-shaped hole. As shown in FIG. 1, the extending direction of the strip-shaped hole may be the same as the width direction of the electronic device. In this case, the first sound outlet 110 has a wider sounding range, which is beneficial to improve the sound performance of the electronic device.
  • the first sound guide channel 150 may include a first main sound channel 151 and a first auxiliary sound guide channel 152, the sixth end of the first main sound channel 151 is connected to the second In the sub-cavity 132, the seventh end of the first main sound channel 151 may extend away from the second sub-cavity 132, and the eighth end of the first auxiliary sound channel 152 is connected to the sixth end of the first main sound channel 151 and Between the seventh ends of the first main sound channel 151 and communicate with the first main sound channel 151, the ninth end of the first auxiliary sound guide channel 152 may extend in a direction away from the first main sound channel 151.
  • At least one of the first main sound channel 151 and the first auxiliary sound channel 152 communicates with at least one second sound outlet 120.
  • the first main sound channel 151 communicates with a second sound outlet 120
  • the first auxiliary sound guide channel 152 communicates with a second sound outlet 120.
  • the first sound guide channel 150 since the first sound guide channel 150 includes the first main sound channel 151 and the first auxiliary sound guide channel 152, the structure formed by the first main sound channel 151 and the first auxiliary sound guide channel 152 is more flexible, thereby enabling The first sound guide channel 150 has a better function of adjusting the phase of the second sound wave.
  • the radiation width of the second sound wave can be further widened.
  • the second sound guide channel 160 may include a second main sound channel 161 and a second auxiliary sound guide channel 162, and the tenth end of the second main sound channel 161 is connected to the first Four sub-cavities, the eleventh end of the second main sound channel 161 extends in a direction away from the fourth sub-cavity, and the twelfth end of the second auxiliary sound channel 162 is connected to the tenth end of the second main sound channel 161 and Between the eleventh ends of the second main sound channel 161 and communicate with the second main sound channel 161, the thirteenth end of the second auxiliary sound channel 162 extends in a direction away from the second main sound channel 161.
  • At least one of the second main sound channel 161 and the second auxiliary sound channel 162 communicates with at least one second sound outlet 120.
  • the second main sound channel 161 communicates with a second sound outlet 120
  • the second auxiliary sound guide channel 162 communicates with a second sound outlet 120.
  • the second sound guide channel 160 since the second sound guide channel 160 includes the second main sound channel 161 and the second auxiliary sound guide channel 162, the structure formed by the second main sound channel 161 and the second auxiliary sound guide channel 162 is more flexible, thereby enabling The second sound guide channel 160 has a better function of adjusting the phase of the second sound wave.
  • the second main sound channel 161 and the second auxiliary sound channel 162 are both connected with at least one second sound outlet 120, which can further broaden the radiation width of the second sound wave.
  • the first sound guide channel 150 and the second sound guide channel 160 can adjust the phase of the second sound wave, so that the phase of the second sound wave is different from that of the first sound wave.
  • the device body 100 may also be provided with a third sound guide channel and a fourth sound guide channel.
  • the first sub-cavity 131 may communicate with the first sound outlet 110 through the third sound guide channel, and the third sub-cavity is communicated with the first sound hole 110 through the fourth sound guide channel.
  • the third sound guide channel and the fourth sound guide channel can adjust the phase of the first sound wave transmitted from the first sound outlet 110.
  • the third sound guide channel and the fourth sound guide channel can make the second sound wave and the first sound wave have a different phase, thereby generating sound wave cancellation.
  • the electronic devices disclosed in the embodiments of the present invention may be mobile phones, tablet computers, e-book readers, game consoles, car navigation systems, smart watches and other devices.
  • the embodiments of the present invention do not limit the specific types of electronic devices.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Telephone Set Structure (AREA)

Abstract

L'invention concerne un dispositif électronique, comprenant un corps de dispositif, un premier composant produisant un son et un deuxième composant produisant un son. Le corps de dispositif est pourvu d'une première ouverture de sortie de son, d'une seconde ouverture de sortie de son, d'une première cavité de montage, d'une seconde cavité de montage, d'un premier canal de guidage de son et d'un second canal de guidage de son. La première ouverture de sortie de son est disposée sur un premier côté du corps de dispositif. La seconde ouverture de sortie de son est disposée sur un second côté du corps de dispositif. Le premier composant produisant un son est disposé à l'intérieur de la première cavité de montage. Le premier composant produisant un son divise la cavité de montage en une première sous-cavité et en une deuxième sous-cavité. Le second composant produisant un son est disposé à l'intérieur de la seconde cavité de montage. Le second composant produisant un son divise la seconde cavité de montage en une troisième sous-cavité et en une quatrième sous-cavité. La première sous-cavité et la troisième sous-cavité sont en communication avec la première ouverture de sortie de son. La deuxième sous-cavité est en communication avec la seconde ouverture de sortie de son par l'intermédiaire du premier canal de guidage de son. La quatrième sous-cavité est en communication avec la seconde ouverture de sortie de son par l'intermédiaire du second canal de guidage de son.
PCT/CN2020/131036 2019-11-29 2020-11-24 Dispositif électronique WO2021104233A1 (fr)

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CN201911219061.6 2019-11-29
CN201911219061.6A CN111225086B (zh) 2019-11-29 2019-11-29 电子设备

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CN111225086B (zh) * 2019-11-29 2021-06-22 维沃移动通信有限公司 电子设备
CN111756903B (zh) * 2020-07-01 2022-05-20 维沃移动通信有限公司 扬声器组件和电子设备
CN113316061A (zh) * 2021-02-24 2021-08-27 深圳市大十科技有限公司 一种防止声音泄露的音频装置
CN114125115B (zh) * 2021-11-16 2023-09-15 维沃移动通信有限公司 电声模组和电子设备

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