TWI602439B - Headphone - Google Patents

Description

headset

The present invention relates to an earphone, and more particularly to a multi-channel earphone.

Each of the earphone units of the conventional multi-channel earphone has a cover, a subwoofer speaker, a plurality of mono speakers, and a plurality of mono speakers, wherein the mono speakers correspond to the front and rear directions of the user. And disposed in the cover body, and the subwoofer speaker is also disposed in the cover body, and the cover body is used as a resonance speaker, and the mono channel speakers are respectively disposed on the mono channels. On the speaker. Therefore, the two earphone units of the multi-channel earphone module can jointly provide the sound source output of at least four channels and two subwoofer channels.

However, the conventional multi-channel earphones can only provide a relatively monotonous sound source output, and the internal speakers are arranged in the same horizontal plane, which cannot realize a diverse auditory environment and a sense of space of the large and small sound fields.

The present invention is an earphone provided for solving the problems of the prior art, comprising a casing and a speaker. The housing has a first layer structure, a first receiving space, a first sound emitting passage, a first groove and an sound emitting side. The speaker is located in the first accommodating space and has a first sound emitting surface, and the first sounding surface should face the first sound emitting channel. Wherein the first sound channel includes the first trench and is located The first layer structure extends with the speaker and surrounds the speaker and connects to the sound emitting side.

In an embodiment, the housing further has a second sound emitting passage, and the speaker further has a second sound emitting surface, and the second sounding surface corresponds to the second sound emitting passage.

In an embodiment, the first sound emitting surface and the second sound emitting surface are disposed adjacent to each other at an oblique angle of plus or minus 10 degrees.

In an embodiment, the first sound emitting surface and the second sound emitting surface emit sounds of the same or different frequencies.

In an embodiment, the length of the first sound output channel is greater than the length of the second sound output channel.

In an embodiment, the earphone further includes: a cross-feeding speaker having a cross-feeding sound surface, the cross-feeding sound surface corresponding to a cross-feeding sound channel; wherein the housing further has a second receiving Space, the cross feed speaker is located in the second accommodating space.

In an embodiment, the housing further has an outer cover structure and a second layer structure, the second layer structure is disposed between the first layer structure and the outer cover structure, and the first layer structure is disposed on the Between the second layer structure and the sound emitting side, the first accommodating space and the second accommodating space are disposed in the second layer structure, and the speaker and the cross feed speaker are disposed in the first layer structure.

In an embodiment, the second layer structure includes an opening portion, a protruding portion and a first through hole, and the cross feed sound path extends between the second layer structure and the outer cover structure and passes through The second layer structure and the first layer structure are connected to the sound emitting side, the opening portion corresponding to the cross feed speaker, the outer cover structure includes a second groove corresponding to the opening portion, the protruding portion And the first through hole, the cross feed sound The first layer structure includes a second through hole corresponding to the first through hole, the second through hole corresponding to the first through hole, the second through hole corresponding to the first through hole A cross-feeding sound channel extends from the second layer structure through the first layer structure to the sound-emitting side along the first through hole and the second through hole.

In an embodiment, the second sounding passage extends through the first layer structure and passes through the first layer structure to the sound emitting side.

In an embodiment, the first groove comprises a comb.

With the earphone of the embodiment of the present invention, the left and right ear can receive the sound of the left and right channels through the configuration of the cross feed speaker. Further, the time difference between the sound transmission can be adjusted by the design of the path length and the path shape of the projection, the second groove, and the third groove. The frequency characteristics can be adjusted through the design of the vent hole and the first groove.

1‧‧‧ headphone

10‧‧‧shell

11‧‧‧ first layer structure

111‧‧‧ openings

112‧‧‧ protruding parts

112’‧‧‧Second trench

113‧‧‧First through hole

114‧‧‧ venting holes

115‧‧‧First accommodation space

116‧‧‧ Third accommodating space

117‧‧‧Second accommodation space

12‧‧‧Second layer structure

121‧‧‧Second through hole

122‧‧‧First trench

122A‧‧‧ comb

123‧‧‧ third through hole

124‧‧‧ third trench

125‧‧‧fourth through hole

13‧‧‧ Cover structure

131‧‧‧Second trench

131’‧‧‧ sound room

15‧‧‧Exhaust air vents

19‧‧‧ sound side

20‧‧‧ low range speaker

201‧‧‧The first sound surface

202‧‧‧Second sound surface

21‧‧‧low-range auxiliary channel

22‧‧‧The main channel of the low range

30‧‧‧High range speaker

31‧‧‧High-range auxiliary channel

32‧‧‧High-range main channel

40‧‧‧ cross feed speaker

41‧‧‧cross feed channel

Fig. 1A is a combination diagram showing an earphone of an embodiment of the present invention.

Fig. 1B is an exploded view showing the earphone of the embodiment of the present invention.

Fig. 2A shows a detailed structure of the second layer structure of the embodiment of the present invention.

Fig. 2B is a cross-sectional view showing 2B-2B' in Fig. 1A.

Fig. 3A shows the low range speaker and the low range main channel of the embodiment of the present invention.

Fig. 3B shows the high range speaker and the high range main channel of the embodiment of the present invention.

Figure 3C shows how the low-range speakers, high-range speakers, and cross-feed speakers are fixed.

4A and 4B are views showing a detailed structure of the first layer structure of the embodiment of the present invention.

5A and 5B are views showing an earphone of another embodiment of the present invention.

Referring to FIGS. 1A and 1B, the earphone 1 of the embodiment of the present invention includes a casing 10, a low-range speaker (speaker) 20, a low-range auxiliary channel (first sound channel), and a high-range speaker. 30. A high range auxiliary channel, a cross feed speaker 40, and a cross feedout sound channel. The housing 10 includes an acoustic side 19. The low range speaker 20 provides a bass. At least a portion of the bass is sent from the low range speaker 20 through the low range auxiliary channel and from the output side 19. The high range speaker 30 provides a high pitch. At least a portion of the treble is sent from the high range speaker 30 through the high range auxiliary channel 31 and from the exit side 19. The cross feed speaker 40 provides a cross feed sound. The cross feed sound is sent from the cross feed speaker 40 through the cross feed channel and from the sound output side 19.

In an embodiment, the housing 10 includes an outer cover structure 13 , a first layer structure 11 and a second layer structure 12 . The second layer structure 12 is disposed on the first layer structure 11 and the outer cover structure. The first layer structure 11 is disposed between the second layer structure 12 and the sound emitting side 19, and the low-range speaker 20, the high-range speaker 30, and the cross-feed speaker 40 are disposed at the first Layer structure 11. The low range speaker 20, the high range speaker 30, and the cross feed speaker 40 can be fixed by magnetic force or engagement.

Referring to FIG. 2A, which shows a detailed configuration of the second layer structure 12, the cross-feed-out sound channel 41 extends over the second layer structure 12 and passes through the second layer structure 12 and the first layer. Structure 11 to the sound side 19. The second layer structure 12 includes an opening portion 111, a protruding portion 112 and a first through hole 113. The opening portion 111 pairs of cross feed speakers 40. Referring to Fig. 2B, a cross-sectional view of 2B-2B' in Fig. 1A is shown. The outer cover structure 13 includes a second groove 131 corresponding to the opening portion 111, the protruding portion 112 and the first through hole 113. The cross-feeding sound channel 41 extends away from the second layer structure 12 along the opening portion 111, the second trench 131, and the first through hole 113. The first layer structure 11 includes a second through hole 121 corresponding to the first through hole 113 along the first through hole 113 and the second through hole 121. The second layer structure 12 extends through the first layer structure 11 to the sound emitting side 19.

In this embodiment, the second trench 131 is a linear trench.

Referring to FIG. 2A, in an embodiment, the second layer structure 12 further includes a plurality of venting holes 114 corresponding to the low range speaker 20.

Referring to FIGS. 3A and 3B, the obliquely disposed low-range speaker 20 has a first sound emitting surface 201 and a second sound emitting surface 202, and the first sound emitting surface 201 corresponds to a low-range auxiliary channel (first sound-emitting channel), The second sound emitting surface 202 directly outputs at least a portion of the bass sound to the sound output side 19 through a low frequency main channel (second sound output channel) 22. In an embodiment, the first sound emitting surface 201 and the second sound emitting surface 202 are disposed adjacent to each other at an oblique angle of plus or minus 10 degrees. The first sound emitting surface 201 and the second sound emitting surface 202 can emit sounds of the same or different frequencies. The tilted high range speaker 30 outputs at least a portion of the treble directly to the sound side 19 through a high range main channel 32. However, the bass provided by the low range speaker 20 is based on the design of the tilted low range speaker 20, and the low range provided by the high range speaker 30 is obtained by the low range auxiliary channel 21, based on the tilt. The design of the high range speaker 30 is achieved by the high range auxiliary channel 31 to produce a stereo sound effect. The length of the low range auxiliary channel 21 is much larger than the low range main channel 22 The length of the high range auxiliary channel 31 is much longer than the length of the high range main channel 32. Specifically, in an embodiment, the length of the low-range auxiliary channel 21 is 2-15 times of the length of the low-range main channel 22, and the length of the high-range auxiliary channel 31 is 2 of the length of the high-range main channel 32. ~17 times.

Referring to FIG. 3C, the method of fixing the low-range speaker 20, the high-range speaker 30, and the cross-feed speaker 40 is shown. The second layer structure 12 includes a first accommodating space 115, a third accommodating space 116, and a a second accommodating space 117, the first accommodating space 115 includes a first slanting surface 118, the second accommodating space 116 includes a second slanting surface 119, and the low-range speaker 20 is embedded in the first accommodating space 115. The high-range speaker 30 is embedded in the third accommodating space 116 and contacts the second slanting surface 119. The cross-feeding speaker 40 is embedded in the second accommodating space 117.

Referring to Figures 4A and 4B, which show a detailed configuration of the first layer structure 11, wherein the low-range auxiliary channel 21 extends through the first layer structure 11 and passes through the first layer structure 11 to the sound-emitting side. 19. The first layer structure 11 includes a first trench 122 and a third via hole 123. The first trench 122 extends at least around the low-range speaker 20 and is connected to the third via hole 123. The channel 21 extends away from the first layer structure 11 along the first trench 122 and the third via 123.

In an embodiment, the first trench 122 includes a comb portion 122A. The comb portion 122A can provide an effect of sound delay.

Referring to FIGS. 4A and 4B, the first layer structure 11 includes a third trench 124 and a fourth via 125. At least a portion of the third trench 124 extends around the high-range speaker 30 and connects the fourth via. A hole 125, the high-range auxiliary channel 31 extends along the third trench 124 and the fourth via 125 away from the first layer structure 11. In one implementation In the example, at least a portion of the third trench 124 surrounds the low range speaker 20.

Referring to FIGS. 4A and 4B , in the embodiment, the third through hole 123 is adjacent to the fourth through hole 125 , and the second through hole 121 is located between the low range speaker 20 and the high range speaker 30 . The low range speaker 20 is located between the second through hole 121 and the third through hole 123. In other words, the comb portion 122A, the second through hole 121, the third through hole 123, and the fourth through hole 125 are arranged around the low-range speaker 20.

With the earphone of the embodiment of the present invention, the left and right ear can receive the sound of the left and right channels through the configuration of the cross feed speaker. Further, the time difference between the sound transmission can be adjusted by the design of the path length and the path shape of the projection, the second groove, and the third groove. The frequency characteristics can be adjusted through the design of the vent hole and the first groove.

In an embodiment, the cross feed speaker 40 is at a low volume when the volume of the low range speaker 20 and the high range speaker 30 is at a high volume. Conversely, when the volume of the low range speaker 20 and the high range speaker 30 is at a low volume, the cross feed speaker 40 is at a high volume, thereby providing a stereoscopic feeling of sound.

Referring to FIG. 1A, in an embodiment, the earphone further includes an exhaust air vent 15, which is formed on the side of the casing 10 and communicates with outside air to make the sound more natural.

Referring to Figures 5A and 5B, there is shown an earphone according to another embodiment of the present invention, wherein the cross-feeding sound path 41 extends between the second layer structure 12 and the outer cover structure 13 and passes through the The second layer structure 12 includes an opening portion 111, a second trench 112', and a first through hole 113. The opening portion 111 is opposite to the first layer structure 12 and the sound emitting side 19. The speaker 40 should be fed, the second groove 112' communicates with the opening portion 111 and the first through hole 113, and the cross feed sound The channel 41 extends away from the second layer structure 12 along the opening portion 111, the second trench 112', and the first through hole 113. The cover structure 13 includes a sound chamber 131' connecting the opening portion 111 and the second groove 112'. The cross feed sound channel 41 along the opening portion 111, the sound chamber 131', The second trench 112 ′ and the first via 113 extend away from the second layer structure 12 . The sound chamber 131' can be used to adjust the frequency characteristics.

While the present invention has been described above in terms of the preferred embodiments thereof, it is not intended to limit the invention, and may be modified and modified without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

1‧‧‧ headphone

10‧‧‧shell

11‧‧‧ first layer structure

12‧‧‧Second layer structure

13‧‧‧ Cover structure

19‧‧‧ sound side

20‧‧‧ low range speaker

30‧‧‧High range speaker

40‧‧‧ cross feed speaker

Claims (10)

An earphone includes: a casing having a first layer structure, a first accommodating space, a first sound emitting passage, a first groove and an sound emitting side; and a speaker located at the first volume a first sound emitting surface, the first sound emitting surface should be the first sound emitting channel; wherein the first sound emitting channel comprises the first groove, which is located in the first layer structure, and At least partially extending around the speaker and connecting the sounding side. The earphone of claim 1, wherein the housing further has a second sound emitting channel, and the speaker further has a second sound emitting surface, and the second sounding surface corresponds to the second sound emitting channel. . The earphone of claim 2, wherein the first sound emitting surface and the second sound emitting surface are disposed adjacent to each other at an oblique angle of plus or minus 10 degrees. The earphone of claim 2, wherein the first sound emitting surface and the second sound emitting surface emit sounds of the same or different frequencies. The earphone of claim 2, wherein the length of the first sound channel is greater than the length of the second sound channel. The earphone of claim 2, further comprising: a cross-feeding speaker having a cross-feeding sound surface, the cross-feeding sound surface corresponding to a cross-feeding sound channel; wherein the housing further has a The second accommodating space is located in the second accommodating space. The earphone of claim 6, wherein the housing has a more outer casing a cover structure and a second layer structure, the second layer structure is disposed between the first layer structure and the outer cover structure, the first layer structure is disposed between the second layer structure and the sound emitting side, The first accommodating space and the second accommodating space are disposed in the second layer structure, and the speaker and the cross-feeding speaker are disposed in the first layer structure. The earphone of the seventh aspect of the invention, wherein the second layer structure comprises an opening portion, a protruding portion and a first through hole, the cross feed sound channel is in the second layer structure and the outer cover Extending between the structure and passing through the second layer structure and the first layer structure to the sound emitting side, the opening portion corresponding to the cross feed speaker, the outer cover structure comprising a second groove, the second groove pair The opening portion, the protruding portion and the first through hole, the cross feed sound channel extending away from the second layer structure along the opening portion, the second groove and the first through hole, the first layer structure a second via hole corresponding to the first via hole, the cross feed sound channel extending along the first via hole and the second via hole from the second layer structure through the first layer Structure to the sound side. The earphone of claim 8, wherein the second sounding passage extends in the first layer structure and passes through the first layer structure to the sound emitting side. The earphone of claim 1, wherein the first groove comprises a comb.