TWI795995B - Earphone and electronic device - Google Patents

Abstract

An earphone adapted to an electronic device is provided. A main body of the electronic device has a device sound cavity. The earphone includes a first section, a second section and a cover. The first section has a first sound outlet and an earphone sound cavity. The second section is connected to the first section and has a speaker unit and a second sound outlet. The cover is disposed on the first section and a second section, adapted to move to the second section to cover the second sound outlet, and adapted to move to the first section to expose the second sound section. When the earphone is separated from the main body, a sound generated by the speaker unit is resonated in the earphone cavity and is transmitted out of the earphone through the first sound outlet. When the earphone is combined with the main body, the earphone is connected to the device sound cavity, and a sound generated by the speaker unit is resonated in the earphone cavity and the device sound cavity and is transmitted out of the earphone through the second sound outlet.

Description

Headphones and Electronic Devices

The present invention relates to a speaker device and an electronic device including it, and in particular to an earphone and an electronic device including it.

Most notebook computers include speakers to play audio in the form of sound amplification. In addition, the notebook computer can be connected to the earphone through wired or wireless means, allowing the user to listen to the audio through the earphone. The speaker and the earphone each have a speaker unit, and when the user uses one of them to output audio, the other is equivalent to being idle. Continuing with the above, with the development of thin and light design trend of notebook computers, its internal components need to be simplified as much as possible to save configuration space, and the above-mentioned idle relationship between speakers and earphones is against this design trend.

The invention provides an earphone, which can save the internal configuration space of the electronic device.

The invention provides an electronic device, which can save its internal configuration space.

The earphone of the present invention is suitable for an electronic device. A main body of the electronic device has a device sound chamber. The earphone includes a first section, a second section and a cover. The first section has a first sound outlet and an earphone sound cavity. The second section is connected to the first section and has a speaker unit and a second sound outlet. The cover is movably arranged on the first section and the second section, wherein the cover is adapted to move to the second section to cover the second sound outlet, and the cover is adapted to move to the first section to expose the second sound exit. When the earphone is separated from the main body, the sound from the speaker unit resonates in the sound chamber of the earphone and is transmitted to the outside of the earphone through the first sound outlet. When the earphone is combined with the main body, the sound cavity of the earphone is connected to the sound cavity of the device, and the sound emitted by the speaker unit resonates in the sound cavity of the earphone and the sound cavity of the device and is transmitted to the outside of the earphone through the second sound outlet.

The electronic device of the present invention includes a main body and an earphone. The main body has a device sound chamber. The earphone includes a first section, a second section and a cover. The first section has a first sound outlet and an earphone sound cavity. The second section is connected to the first section and has a speaker unit and a second sound outlet. The cover is movably arranged on the first section and the second section, wherein the cover is adapted to move to the second section to cover the second sound outlet, and the cover is adapted to move to the first section to expose the second sound exit. When the earphone is separated from the main body, the sound from the speaker unit resonates in the sound chamber of the earphone and is transmitted to the outside of the earphone through the first sound outlet. When the earphone is combined with the main body, the sound cavity of the earphone is connected to the sound cavity of the device, and the sound emitted by the speaker unit resonates in the sound cavity of the earphone and the sound cavity of the device and is transmitted to the outside of the earphone through the second sound outlet.

In an embodiment of the present invention, when the earphone is combined with the main body, the sound cavity of the earphone communicates with the sound cavity of the device through the first sound outlet.

In an embodiment of the present invention, at least one of the above-mentioned first section and the second section has at least one opening, and when the earphone is combined with the main body, the sound cavity of the earphone communicates with the sound cavity of the device through the opening.

In an embodiment of the present invention, the above-mentioned opening is located in the second section, and the second section has a sound-guiding space, and the sound-guiding space is connected between at least one opening and the sound cavity of the earphone.

In an embodiment of the present invention, the above-mentioned earphone includes a control module, wherein when the earphone is separated from the main body, the speaker unit wirelessly receives the audio signal from the main body through the control module.

In an embodiment of the present invention, the above-mentioned earphone has an electrical contact, wherein the main body includes a processing module. When the earphone is combined with the main body, the electrical contact is connected to the main body, and the speaker unit is point to receive the audio signal from the processing module, and the earphone receives power from the main body through the electrical contact.

In an embodiment of the present invention, when the earphone is separated from the main body, the speaker unit switches to the earphone mode, and when the earphone is combined with the main body, the speaker unit switches to the speaker mode, and the volume of the speaker mode is greater than the volume of the earphone mode .

In an embodiment of the present invention, the above-mentioned main body has a passive diaphragm, and the passive diaphragm is disposed in the sound cavity of the device, and the sound emitted by the speaker unit resonates in the sound cavity of the device through the passive diaphragm.

In an embodiment of the present invention, the above earphone has a touch interface, and the touch interface is suitable for receiving touch input to control the main body.

In an embodiment of the present invention, the above-mentioned notebook computer is suitable for receiving sound through earphones.

In an embodiment of the present invention, the above-mentioned electronic device is suitable for receiving sound through earphones.

In an embodiment of the present invention, the above-mentioned electronic device is a notebook computer and includes a screen, and the screen is pivotally connected to the main body.

Based on the above, when the earphone of the present invention is combined with an electronic device (such as a notebook computer), the earphone sound cavity of the earphone is connected to the device sound cavity of the electronic device (such as a notebook computer), so that the sound emitted by the speaker unit of the earphone It can resonate in the large-volume resonance space formed by the sound chamber of the earphone and the sound chamber of the device, and output audio in the mode of loudspeaker amplification. When the earphone is separated from the electronic device (such as a notebook computer), the sound emitted by the speaker unit of the earphone resonates in the small-sized earphone sound cavity, so that the user can wear the earphone in the ear hole to listen to the audio. With this arrangement, whether it is the loudspeaker playback mode of the electronic device (such as a notebook computer) or the low-volume playback mode of the earphone itself, the speaker unit of the earphone is used as the sound output source. Therefore, the main body of the electronic device (such as a notebook computer) does not need to be additionally equipped with a speaker unit, and the internal configuration space thereof can be saved.

FIG. 1 is a schematic side view of an electronic device according to an embodiment of the present invention. FIG. 2 is a partial perspective view of the electronic device of FIG. 1 . FIG. 3 shows that the earphone of FIG. 2 is worn on a user's ear hole. The electronic device of the present invention can be a notebook computer, a tablet computer, a smart phone, a home computer mainframe, a display screen, an expansion accessory of a smart speaker, a mouse, a desk lamp, a smart watch, a full-face earphone or a keyboard, etc. Please refer to FIG. 1 to FIG. 3 , the electronic device 100 of this embodiment is, for example, a notebook computer, which includes a main body 110 , a screen 120 and an earphone 130 . The screen 120 is pivotally connected to the main body 110 . The earphone 130 can be combined with the main body 110 as shown in FIG. 1 and FIG. 2 , or can be separated from the main body 110 and worn on the user's ear hole as shown in FIG. 3 .

FIG. 4 is a schematic cross-sectional view of a partial structure of the electronic device in FIG. 2 . Fig. 5 is a schematic cross-sectional view of the earphone in Fig. 3 . Please refer to FIG. 4 and FIG. 5 , the earphone 130 of this embodiment includes a first section 1301 and a second section 1302 . The first section 1301 has a first sound outlet 1301a and an earphone sound chamber 1301b. The second section 1302 is connected to the first section 1301 and has a speaker unit 1302a and at least one second sound outlet 1302b. In addition, the main body 110 of the electronic device 100 has a device sound cavity 110a.

When the earphone 130 is combined with the main body 110 of the electronic device 100 as shown in FIGS. The sound emitted by the speaker unit 1302a of 130 can resonate in the large-volume resonance space jointly formed by the earphone sound chamber 1301b and the device sound chamber 110a, and is transmitted to the outside of the earphone 130 through the second sound outlet 1302b, and the sound is amplified by the speaker Perform audio output. When the earphone 130 is separated from the main body 110 of the electronic device 100 as shown in FIGS. The sound cavity 1301b resonates and transmits to the outside of the earphone 130 through the first sound outlet 1301a for the user to wear the earphone 130 in the ear hole to listen to the audio. With this arrangement, no matter the loudspeaker playback mode of the main body 110 of the electronic device 100 or the low volume playback mode of the earphone 130 itself, the speaker unit 1302a of the earphone 130 is used as the sound output source. Therefore, the main body 110 of the electronic device 100 does not need to be additionally equipped with a speaker unit, which can save its internal configuration space.

As shown in FIG. 4 , the electronic device 100 of this embodiment may include a sealing member 130 a. The sealing member 130 a is, for example, a rubber ring, which is disposed on the main body 110 of the electronic device 100 or the earphone 130 , and can seal between the main body 110 and the earphone 130 , and has a shockproof effect at the same time.

Please refer to FIG. 2 to FIG. 5 , in this embodiment, the earphone 130 includes a cover 132 , and the cover 132 is movably disposed on the first section 1301 and the second section 1302 . When wearing the earphone 130 in the earhole to listen to audio, the user can move the cover 132 to the second section 1302 to cover the second sound outlet 1302b as shown in FIG. The second sound outlet 1302b is opened and cannot be completely transmitted to the first sound outlet 1301a. When the earphone 130 is combined with the main body 110 to output audio in the mode of loudspeaker amplification, the user can move the cover 132 to the first section 1301 to expose the second sound outlet 1302b as shown in FIG. The sound emitted by the body 1302a can be smoothly output from the second sound outlet 1302b after the earphone sound cavity 1301b resonates with the device sound cavity 110a.

Please refer to FIG. 4 , the main body 110 of this embodiment has a passive diaphragm 112 . The passive diaphragm 112 is disposed in the device sound chamber 110a, and the sound emitted by the speaker unit 1302a resonates in the device sound chamber 110a through the passive diaphragm 110a. Through the configuration of the passive diaphragm 110a, the sound output effect of middle and low frequencies can be enhanced.

Please refer to FIG. 4 and FIG. 5. In this embodiment, the earphone 130 has at least one opening H in the second section 1302, and the second section 1302 has a sound guiding space S, and the sound guiding space S communicates with the opening H and the opening H. between the earphone sound chambers 1301b. When the earphone 130 is combined with the main body 110 as shown in FIG. 4 , the earphone sound chamber 1301b communicates with the device sound chamber 110a through the sound guiding space S and the opening H.

The present invention is not limited to the position of the opening H, which is illustrated below with the help of figures. 6 and 7 are schematic cross-sectional views of partial structures of electronic devices according to other embodiments of the present invention. The difference between the embodiment shown in FIG. 6 and the embodiment shown in FIG. 4 is that, in the embodiment shown in FIG. The bottom surface of the second section 1302 , and the opening H in FIG. 6 is further formed on the bottom surface of the first section 1301 . The difference between the embodiment shown in FIG. 7 and the embodiment shown in FIG. 4 is that, in the embodiment shown in FIG. 7 , the opening H is not only formed on the bottom surface of the second section 1302 as shown in FIG. The left end of the second section 1302 is further formed on the bottom surface of the first section 1301 .

In addition, the present invention does not necessarily need to form the opening H, and the opening H does not necessarily have to be normally open, which is illustrated below with the help of figures. 8 and 9 are schematic cross-sectional views of partial structures of electronic devices according to other embodiments of the present invention. The difference between the embodiment shown in FIG. 8 and the embodiment shown in FIG. 5 is that the earphone 130 does not have the opening H. When the earphone 130 is combined with the main body 110 (shown in FIG. 4 ), the earphone sound cavity 1301b can transmit the first sound The outlet 1301a communicates with the device sound cavity 110a (shown in FIG. 4 ). The difference between the embodiment shown in FIG. 9 and the embodiment shown in FIG. 5 lies in that the earphone 130 in FIG. 9 is provided with a movable cover C at the opening H. As shown in FIG. When the earphone 130 is not connected to the main body 110 (shown in FIG. 4 ), the cover C can close the opening H as shown in FIG. 9 . When the earphone 130 is connected to the main body 110 (shown in FIG. 4 ), the cover C can move without closing the opening H, so that the earphone sound cavity 1301b can communicate with the device sound cavity 110a (shown in FIG. 4 ) through the opening H.

In the embodiment shown in FIG. 3 , the cover 132 can have a touch function, and the user can perform a touch operation on it to remotely control the electronic device 100 . For example, the touch input can be used to control music playback of the electronic device 100 , or to control other functions of the electronic device 100 (such as presentation software), which is not limited in the present invention.

10 and 11 are schematic diagrams of electronic devices according to other embodiments of the present invention. The present invention does not limit the position where the earphone 130 is combined with the electronic device 100 , which may be the position of the earphone 130A on the main body 110 as shown in FIG. 10 or the position of the earphone 130B on the main body 110 as shown in FIG. 11 . In addition, the earphone 130A/130B can have a touch interface 132A/132B. When the earphone 130A/130B is combined with the main body 110, the touch interface 132A/132B is suitable for receiving user's touch input to control the main body 110. For example, the touch input can be used to control music playback of the electronic device 100A/100B, or to control other functions (such as presentation software) of the electronic device 100A/100B, and the present invention is not limited thereto.

FIG. 12 is a schematic block diagram of the electronic device in FIG. 1 . Please refer to FIG. 4 and FIG. 12 , the earphone 130 may include a control module 134 . When the earphone 130 is separated from the main body 110 of the electronic device 100 , the speaker unit 1302 a wirelessly receives the audio signal from the main body 110 through the control module 134 to generate corresponding sound. On the other hand, the earphone 130 has an electrical contact E, and the main body 110 of the electronic device 100 includes a processing module 114 , and the processing module 114 is configured on the motherboard 1101 inside the main body 110 . When the earphone 130 is combined with the main body 110 of the electronic device 100, the electrical contact E is connected to the main body 110, and the speaker unit 1302a receives the audio signal from the processing module 114 through the electrical contact E, and generates a corresponding sound. In addition, when the earphone 130 is combined with the main body 110 of the electronic device 100 , the battery 136 of the earphone 130 can receive power from the main body 110 through the electrical contact E for charging.

In the above-mentioned embodiment, when the earphone 130 is separated from the electronic device 100 and worn on the user, the electronic device 100 can collect sound not only through its own microphone, but also through the earphone 130 on the user side to improve radio effect.

The present invention does not limit the type of the electronic device 100 that the earphone 130 can be applied to, which is illustrated below with the help of figures. 13A to 13I illustrate that the earphone of FIG. 3 is applied to other types of electronic devices. In addition to being applicable to the notebook computer (electronic device 100) shown in FIG. 2, the earphone 130 can also be applied to the host computer 1001 shown in FIG. 13A, the display screen 1002 shown in FIG. 13B, and the smart speaker shown in FIG. 13C. Expansion accessory 1003, mouse 1004 shown in FIG. 13D, desk lamp 1005 shown in FIG. 13E, smart watch 1006 shown in FIG. 13F, smart phone 1007 shown in FIG. 13G, full-face earphone 1008 shown in FIG. 13H And the keyboard 1009 shown in Figure 13I.

When the earphone 130 is combined with the host computer 1001 shown in FIG. 13A , the resonant cavity inside the host computer 1001 can resonate the sound from the earphone 130 to enhance the audio playback effect. When the earphone 130 is combined with the display screen 1002 shown in FIG. 13B, the resonant cavity inside the display screen 1002 can resonate the sound emitted by the earphone 130, and the sound from the earphone 130 can be heard in the direction of the user while the user watches the picture displayed on the display screen 1002. The sound plays. In addition, when the user wears the earphone 130 , the display screen 1002 can collect sound not only through its own microphone, but also through the earphone 130 on the user end to enhance the sound-receiving effect. Moreover, the brightness and darkness of the display screen 1002 can be controlled by voice through the sound collection effect of the earphone 130 . When the earphone 130 is combined with the smart speaker extension accessory 1003 shown in FIG. 13C , the resonance cavity inside the smart speaker extension accessory 1003 can resonate the sound emitted by the earphone 130 to enhance the audio playback effect. In addition, when the user wears the earphone 130 , the smart speaker expansion accessory 1003 can collect sound not only through its own microphone, but also through the earphone 130 on the user's side, so as to improve the sound-receiving effect. Moreover, the ultraviolet sterilizing lamp of the smart speaker expansion accessory 1003 can be used to sterilize and clean the earphone 130 combined therewith. When the earphone 130 is combined with the mouse 1004 shown in FIG. 13D , the resonance cavity inside the mouse 1004 can resonate the sound emitted by the earphone 130 to enhance the audio playback effect. When the earphone 130 is combined with the desk lamp 1005 shown in FIG. 13E , the resonant cavity inside the desk lamp 1005 can resonate the sound emitted by the earphone 130 to enhance the audio playback effect. Moreover, the brightness of the desk lamp 1005 can be controlled by voice through the sound collection effect of the earphone 130 . When the earphone 130 is combined with the smart watch 1006 shown in FIG. 13F , the resonance cavity inside the smart watch 1006 can resonate the sound emitted by the earphone 130 to enhance the audio playback effect. In addition, when the user wears the earphone 130 , the smart watch 1006 can collect sound not only through its own microphone, but also through the earphone 130 on the user end to improve the sound-receiving effect. When the earphone 130 is combined with the smart phone 1007 shown in FIG. 13G , the resonant cavity inside the smart phone 1007 can resonate the sound emitted by the earphone 130 to enhance the audio playback effect. In addition, when the user wears the earphone 130 , the smart phone 1007 can collect sound not only through its own microphone but also through the earphone 130 on the user end to improve the sound effect. When the earphone 130 is combined with the full-face earphone 1008 shown in FIG. 13H , the resonance cavity inside the full-face earphone 1008 can resonate the sound emitted by the earphone 130 to enhance the audio playback effect. When the earphone 130 is combined with the keyboard 1009 shown in FIG. 13I , the resonant cavity inside the keyboard 1009 can resonate the sound emitted by the earphone 130 to enhance the audio playback effect. FIG. 14 illustrates the keyboard lift of FIG. 13I. The keyboard 1009 can be lifted up as shown in FIG. 14 to further expand the resonance space of the resonance cavity. In other embodiments, the earphone 130 can be applied to many other different types of electronic devices, and the present invention is not limited thereto.

In summary, when the earphone of the present invention is combined with an electronic device (such as a notebook computer), the earphone sound cavity of the earphone is connected to the device sound cavity of the electronic device (such as a notebook computer), so that the speaker unit of the earphone emits The sound can resonate in the large-volume resonance space formed by the sound chamber of the earphone and the sound chamber of the device, and output the audio in the mode of loudspeaker amplification. When the earphone is separated from the electronic device (such as a notebook computer), the sound emitted by the speaker unit of the earphone resonates in the small-sized earphone sound cavity, so that the user can wear the earphone in the ear hole to listen to the audio. With this arrangement, whether it is the loudspeaker playback mode of the electronic device (such as a notebook computer) or the low-volume playback mode of the earphone itself, the speaker unit of the earphone is used as the sound output source. Therefore, the main body of the electronic device (such as a notebook computer) does not need to be additionally equipped with a speaker unit, and the internal configuration space thereof can be saved.

100: Electronic device 1001:Household computer mainframe 1002: display screen 1103:Smart speaker expansion accessories 1004: mouse 1005: desk lamp 1006:Smart watch 1007:Smartphone 1008:Full face earphone 1009: keyboard 110: subject 1101: Motherboard 110a: device sound cavity 112:Passive diaphragm 114: Processing module 120: screen 130, 130A, 130B: Headphones 130a: seal 1301: first segment 1301a: First Sound Exit 1301b: Earphone sound cavity 1302:Second section 1302a: speaker unit 1302b: Second sound exit 132, C: cover body 132A, 132B: touch interface 134: Control module 136: battery E: electrical contacts H: open S: Guiding space

FIG. 1 is a schematic side view of an electronic device according to an embodiment of the present invention. FIG. 2 is a partial perspective view of the electronic device of FIG. 1 . FIG. 3 shows that the earphone of FIG. 2 is worn on a user's ear hole. FIG. 4 is a schematic cross-sectional view of a partial structure of the electronic device in FIG. 2 . Fig. 5 is a schematic cross-sectional view of the earphone in Fig. 3 . 6 and 7 are schematic cross-sectional views of partial structures of electronic devices according to other embodiments of the present invention. 8 and 9 are schematic cross-sectional views of partial structures of electronic devices according to other embodiments of the present invention. 10 and 11 are schematic diagrams of electronic devices according to other embodiments of the present invention. FIG. 12 is a schematic block diagram of the electronic device in FIG. 1 . 13A to 13I illustrate that the earphone of FIG. 3 is applied to other types of electronic devices. FIG. 14 illustrates the keyboard lift of FIG. 13I.

110: subject

110a: device sound cavity

112:Passive diaphragm

130: Headphones

130a: seal

1301: first section

1301a: First Sound Exit

1301b: Earphone sound cavity

1302:Second segment

1302a: speaker unit

1302b: Second sound exit

132: cover body

E: electrical contacts

H: open

S: Guiding space

Claims (18)

An earphone suitable for an electronic device, wherein a main body of the electronic device has a device sound chamber, the earphone includes: A first section has a first sound outlet and an earphone sound cavity; A second section is connected to the first section and has a speaker unit and a second sound outlet; and A cover body is movably arranged on the first section and the second section, wherein the cover body is suitable for moving to the second section to cover the second sound outlet, and the cover body is suitable for moving to the the first section to expose the second sound outlet, Wherein when the earphone is separated from the main body, the sound emitted by the speaker unit resonates in the sound cavity of the earphone and is transmitted to the outside of the earphone through the first sound outlet, When the earphone is combined with the main body, the sound cavity of the earphone is connected to the sound cavity of the device, and the sound emitted by the speaker unit resonates in the sound cavity of the earphone and the sound cavity of the device and is transmitted to the earphone through the second sound outlet outside. The earphone according to claim 1, wherein when the earphone is combined with the main body, the sound chamber of the earphone communicates with the sound chamber of the device through the first sound outlet. The earphone according to claim 1, wherein at least one of the first section and the second section has at least one opening, and when the earphone is combined with the main body, the earphone sound chamber passes through the at least one opening connected to the sound chamber of the device. The earphone according to claim 3, wherein the at least one opening is located in the second section, and the second section has a sound guiding space, and the sound guiding space communicates between the at least one opening and the sound chamber of the earphone. The earphone according to claim 1 includes a control module, wherein when the earphone is separated from the main body, the speaker unit wirelessly receives the audio signal from the main body through the control module. The earphone as described in claim 1 has an electrical contact, wherein the main body includes a processing module, when the earphone is combined with the main body, the electrical contact is connected to the main body, and the speaker unit passes through The electrical contact receives the audio signal from the processing module, and the earphone receives power from the main body through the electrical contact. The earphone according to claim 1, wherein when the earphone is separated from the main body, the speaker unit switches to the earphone mode, and when the earphone is combined with the main body, the speaker unit switches to the speaker mode, and the speaker The volume of the mode is higher than the volume of the headphone mode. An electronic device comprising: a main body having a device sound cavity; and A headset, comprising: A first section has a first sound outlet and an earphone sound chamber; A second section is connected to the first section and has a speaker unit and a second sound outlet; and A cover body is movably arranged on the first section and the second section, wherein the cover body is suitable for moving to the second section to cover the second sound outlet, and the cover body is suitable for moving to the the first section to expose the second sound outlet, Wherein when the earphone is separated from the main body, the sound emitted by the speaker unit resonates in the sound cavity of the earphone and is transmitted to the outside of the earphone through the first sound outlet, When the earphone is combined with the main body, the sound cavity of the earphone is connected to the sound cavity of the device, and the sound emitted by the speaker unit resonates in the sound cavity of the earphone and the sound cavity of the device and is transmitted to the earphone through the second sound outlet outside. The electronic device as claimed in claim 8, wherein when the earphone is combined with the main body, the sound cavity of the earphone communicates with the sound cavity of the device through the first sound outlet. The electronic device according to claim 8, wherein at least one of the first section and the second section has at least one opening, and when the earphone is combined with the main body, the sound cavity of the earphone passes through the at least one opening It is connected to the sound chamber of the device. The electronic device according to claim 10, wherein the at least one opening is located in the second section, the second section has a sound guiding space, and the sound guiding space communicates between the at least one opening and the earphone sound cavity . The electronic device according to claim 8, wherein the earphone includes a control module, and when the earphone is separated from the main body, the speaker unit wirelessly receives the audio signal from the main body through the control module. The electronic device according to claim 8, wherein the earphone has an electrical contact, and the main body includes a processing module. When the earphone is combined with the main body, the electrical contact is connected to the main body, and the speaker The single unit receives the audio signal from the processing module through the electrical contact, and the earphone receives power from the main body through the electrical contact. The electronic device according to claim 8, wherein when the earphone is separated from the main body, the speaker unit switches to the earphone mode, and when the earphone is combined with the main body, the speaker unit switches to the speaker mode, the The volume of the speaker mode is greater than the volume of the headphone mode. The electronic device as claimed in item 8, wherein the main body has a passive diaphragm, and the passive diaphragm is arranged in the sound chamber of the device, and the sound emitted by the speaker unit is transmitted through the passive diaphragm in the sound chamber of the device resonance. The electronic device as claimed in claim 8, wherein the earphone has a touch interface, and the touch interface is suitable for receiving touch input to control the main body. The electronic device as claimed in claim 8 is suitable for receiving sound through the earphone. The electronic device according to claim 8, wherein the electronic device is a notebook computer and includes a screen, and the screen is hinged to the main body.

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