CN101998198A - In-canal type earphones - Google Patents
In-canal type earphones Download PDFInfo
- Publication number
- CN101998198A CN101998198A CN200910166198XA CN200910166198A CN101998198A CN 101998198 A CN101998198 A CN 101998198A CN 200910166198X A CN200910166198X A CN 200910166198XA CN 200910166198 A CN200910166198 A CN 200910166198A CN 101998198 A CN101998198 A CN 101998198A
- Authority
- CN
- China
- Prior art keywords
- channel
- sound
- ear headphones
- passage
- present
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Images
Landscapes
- Headphones And Earphones (AREA)
Abstract
The invention relates to in-canal type earphones, which comprises a housing, an electro acoustic converter, a sound output pipe and earplugs, wherein the electro acoustic converter is arranged in the housing; the sound output pipe extends outwards from the front surface of the housing; the sound output pipe is provided with a first channel communicated with the interior of the housing; the first channel is used for receiving the sound wave emitted by the electro acoustic converter; the sound output pipe is provided with a second channel communicated with the first channel, wherein the cross section of the second channel is different from the cross section of the first channel; the second channel is used for attenuating the sound wave emitted by the electro acoustic converter and broadcasting the sound wave outwards; and the earplugs are sheathed on the sound output pipe and are used for being placed into the external auditory canals of a wearer.
Description
Technical field
The present invention relates to a kind of In-Ear Headphones, particularly relate to a kind of sound tube that utilizes and have different sectional areas, to promote the In-Ear Headphones of high frequency performance.
Background technology
Earphone is usually used in MP3 walkman, mobile phone, PDA(Personal Digital Assistant) or notebook computer or the like at present, with the usefulness of independently listening to as the individual, make earphone become one of indispensable important accessory of electronic product at present, no matter yet earphone is connected with any electronic product, major function still is the preferable acoustics performance of demand, to meet the sense of hearing demand of listening the hearer.
As shown in Figure 1, be a kind of existing known In-Ear Headphones schematic diagram.Earphone 1 comprises that a housing 2, an electroacoustic transducer 3 are arranged at that housing 2 inside, a sound tube 4 obliquely are arranged at housing 2 front positions, an earplug 5 is sheathed on sound tube 4 front ends.The electroacoustic transducer 3 of housing 2 inside is generally loud speaker, and when user mode, sound tube 4 is placed in wearer's the external auditory meatus with earplug 5, and electroacoustic transducer 4 produces sound and is sent to wearer's external auditory meatus via sound tube 4, so that earphone 1 wearer's sound information to be provided.
Yet, the quality of the frequency response curve of earphone 1 is except the design of electroacoustic transducer 3 originally, housing 2 also is a key point with the path of the sound tube 4 sound wave process that provides, and because the design of sound tube 4 caliber of single size normally, when going out the sound face by electroacoustic transducer 3, sends sound wave, and when being sent to external auditory meatus via sound tube 4, sound wave is in the process of propagating, can be because the sound field structure of straight catheter, produce the effect of similar acoustics low pass filter, make sound tube 4 design of such earphone 1, the characteristic of quick decay is arranged, cause sound lower in the sensitivity of high frequency in the sensitivity of high-frequency region, cause people's ear to hear that the sound composition of high frequency is less, influence the associative perception that earphone is listened to, and cause acoustical quality to descend, so applicability is lower; Commercially available In-Ear Headphones all uses the design of straight catheter at present, and all there is this shortcoming in it, and therefore, how going to solve the acoustic characteristic that has known earphone now is not ideal designs, in fact the target of endeavouring to solve for industry.
This shows that above-mentioned existing In-Ear Headphones obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of novel In-Ear Headphones, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
The objective of the invention is to, overcome the defective that existing In-Ear Headphones exists, and provide a kind of novel In-Ear Headphones, technical problem to be solved is to make its sound tube have the In-Ear Headphones of different cross-sectional at different sections, so that the acoustics curve of earphone unlikely quick decay in high-frequency region, and can reach preferable acoustics performance, be very suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of In-Ear Headphones that the present invention proposes, it includes: a shell; One electroacoustic transducer is arranged in this shell; One sound tube, the front surface of this shell stretches out certainly, and this sound tube is provided with a first passage and is communicated in this shell, and in order to accept the sound wave that this electroacoustic transducer sends, this sound tube is provided with a second channel and is communicated with this first passage; And an earplug, be set in this sound tube, in order to be inserted in prestowage person's external auditory meatus; Wherein, this second channel is different with the sectional area of this first passage, in order to the sound wave that this electroacoustic transducer sent of decaying, and this sound wave is outwards broadcast.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid In-Ear Headphones, the sectional area of wherein said second channel is greater than this first passage.
Aforesaid In-Ear Headphones, the volume of wherein said second channel is greater than this first passage.
Aforesaid In-Ear Headphones, wherein said shell is made up of preceding half housing and a later half housing, and this electroacoustic transducer is arranged at this preceding half housing.
Aforesaid In-Ear Headphones is provided with an acoustic damping device in the wherein said sound tube.
Aforesaid In-Ear Headphones, wherein said acoustic damping device is arranged in the second channel.
Aforesaid In-Ear Headphones, wherein said acoustic damping device is made for the polyurethane material.
The present invention compared with prior art has tangible advantage and beneficial effect.As known from the above, for achieving the above object, the invention provides a kind of In-Ear Headphones, it includes a shell, an electroacoustic transducer, a sound tube and an earplug.Electroacoustic transducer is arranged in the shell, sound tube stretches out from the front surface of shell, sound tube is provided with a first passage and is communicated in the shell, in order to accept the sound wave that electroacoustic transducer sends, sound tube is provided with a second channel and is communicated with first passage, wherein second channel is different with the sectional area of first passage, can form different acoustic filter features, in order to attenuation of specific frequencies or avoid characteristic frequency to produce decay, and sound wave outwards broadcast, earplug is set in sound tube, in order to be inserted in prestowage person's external auditory meatus.
By technique scheme, In-Ear Headphones of the present invention has following advantage and beneficial effect at least:
1, In-Ear Headphones of the present invention transmits sound, when sound wave enters second channel via first passage, sound wave can suddenly change because of sectional area, cause the acoustic filter feature different with single straight catheter, and form the band pass filter of similar preiodic type, can effectively go attenuation of specific frequencies or avoid particular frequency range to produce decay, by such design, can make high-frequency region be unlikely quick decay, so In-Ear Headphones has preferable acoustics curve, can promote the tone color and the definition of sound.
2, in another embodiment of the present invention, an acoustic damping device is set in the second channel of In-Ear Headphones, can be by its specific size, in order to subtract the unwanted frequency scope that declines, the sound wave that passes through to adjust the whole curve of sensitivity of earphone, makes earphone have preferable acoustics performance.
In sum, the In-Ear Headphones that sound tube of the present invention has different cross-sectional at different sections, so that the unlikely quick decay in high-frequency region of the acoustics curve of earphone, and can reach preferable acoustics performance.The present invention has obvious improvement technically, and has tangible good effect, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is for having the profile of known In-Ear Headphones now.
Fig. 2 is the profile of In-Ear Headphones of the present invention.
Fig. 3 is an In-Ear Headphones transmission sound of the present invention path schematic diagram.
Fig. 4 is In-Ear Headphones of the present invention and the acoustics curve comparison diagram that has known In-Ear Headphones now.
Fig. 5 is the profile of another embodiment of In-Ear Headphones of the present invention.
1: earphone 2: housing
3: electroacoustic transducer 4: sound tube
5: earplug
100: earphone 10: shell
11: preceding half housing 12: later half housing
13: electroacoustic transducer 20: sound tube
21: first passage 22: second channel
30: earplug 31: department of assembly
32: air flue 40: the acoustic damping device
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its embodiment of In-Ear Headphones, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
Relevant aforementioned and other technology contents, characteristics and effect of the present invention can be known to present in the following detailed description that cooperates with reference to graphic preferred embodiment.By the explanation of embodiment, when can being to reach technological means that predetermined purpose takes and effect to get one more deeply and concrete understanding to the present invention, yet appended graphic only provide with reference to the usefulness of explanation, be not to be used for the present invention is limited.
See also shown in Figure 2ly, be In-Ear Headphones profile of the present invention.Earphone 100 comprises a shell 10 and a sound tube 20, and sound tube 20 end equipments one earplug 30 inserts external auditory meatus so that the user to be provided with earphone 100, and transmits acoustic information.
Shell 10 is docked by preceding half housing 11 and a later half housing 12 to form, and in preceding half housing 11, has an electroacoustic transducer 13, electroacoustic transducer 13 is embodied as DYN dynamic loud speaker in the present invention, also can be the loud speaker of moving-iron type or other types certainly.
Earplug 30 has a department of assembly 31, be fixed in sound tube 20 in order to cover, earplug 30 is made with the elastic material of rubber or polyurethane, when the user fills in earphone 100 in external auditory meatus, earplug 30 can strain seal external auditory meatus easily, in addition, earplug 30 has an air flue 32 and is communicated in second channel 22, in order to transmit the sound air-flow to earphone 100 outsides.
By this, when earphone 100 was filled in external auditory meatus, electroacoustic transducer 13 was sounded, and sound wave advances towards first passage 22 from the sound that goes out of electroacoustic transducer 13, and in regular turn via second channel 22 and air flue 32 to the external auditory meatus transmission, so that the external auditory meatus acoustic information to be provided.
See also shown in Figure 3ly, be In-Ear Headphones transmission sound of the present invention path schematic diagram.When sound wave is passed when reaching second channel 22 by first passage 21, this moment, sectional area was big by being converted into for a short time, sound wave suddenly changes because of sectional area, cause the sound impedance generation difference in sound impedance and the second channel 22 in the first passage 21, and formation impedance mismatching, make sound wave can produce decay (zone that produces decay usually is the intermediate frequency zone) at some frequency field, and when some frequency produces decay, but can keep the curve of some frequency field, and the sound tube 20 of different cross-sectional of the present invention is similar to the band pass filter of preiodic type, really attenuation of specific frequencies and avoid particular frequency range to produce decay effectively, compared to the earphone that has known single straight catheter now, has better acoustics performance.
See also shown in Figure 4ly, be the acoustics curve comparison diagram of In-Ear Headphones of the present invention and known earphone.Curve B is the frequency response curve of earphone of the present invention, curve A is the frequency response curve of existing known earphone, curve B can produce decay compared to curve A in the intermediate frequency zone, but be unlikely quick decay at high-frequency region, can keep due curve characteristic, so can adjust the high frequency curve of earphone, earphone 100 has higher sensitivity on high frequency, and the low frequency response curve that declines, make earphone 100 have more high-quality acoustics performance.
See also shown in Figure 5ly, be the profile of another embodiment of In-Ear Headphones of the present invention.Earphone 100 can be provided with an acoustic damping device 40 in sound tube 20, acoustic damping device 40 is arranged on second channel 22 in the present invention, and acoustic damping device 40 is by the elastic material of porous, for example polyurethane etc. is made, acoustic damping device 40 makes sound wave through out-of-date because of having gas permeability, can subtract the sound wave of the particular frequency range that declines, to adjust the curve of sensitivity of earphone 100, make earphone 100 have more preferable acoustics performance.
Comprehensively above-mentioned, In-Ear Headphones of the present invention, be to be provided with first passage and second channel at sound tube, two passages be interconnected and the sectional area of second channel greater than first passage, make In-Ear Headphones transmit sound, when sound wave enters second channel via first passage, sound wave can suddenly change because of sectional area, cause the mismatch of impedance, sound wave can produce decay in the intermediate frequency zone, and make and be unlikely quick decay that so In-Ear Headphones has preferable acoustics curve, can promote the tone color and the definition of sound at high-frequency region.
In addition, the present invention can be provided with an acoustic damping device in the second channel of earphone, in order to subtract the sound wave that declines and pass through, to adjust the curve of sensitivity of earphone, makes earphone have preferable acoustics performance.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (7)
1. In-Ear Headphones is characterized in that it includes:
One shell;
One electroacoustic transducer is arranged in this shell;
One sound tube, the front surface of this shell stretches out certainly, and this sound tube is provided with a first passage and is communicated in this shell, and in order to accept the sound wave that this electroacoustic transducer sends, this sound tube is provided with a second channel and is communicated with this first passage; And
One earplug is set in this sound tube, in order to be inserted in prestowage person's external auditory meatus;
Wherein, this second channel is different with the sectional area of this first passage, in order to the sound wave that this electroacoustic transducer sent of decaying, and this sound wave is outwards broadcast.
2. In-Ear Headphones according to claim 1, the sectional area that it is characterized in that wherein said second channel is greater than this first passage.
3. In-Ear Headphones according to claim 1, the volume that it is characterized in that wherein said second channel is greater than this first passage.
4. In-Ear Headphones according to claim 1 is characterized in that wherein said shell is made up of preceding half housing and a later half housing, and this electroacoustic transducer is arranged at this preceding half housing.
5. In-Ear Headphones according to claim 1 is characterized in that being provided with in the wherein said sound tube acoustic damping device.
6. In-Ear Headphones according to claim 5 is characterized in that wherein said acoustic damping device is arranged in the second channel.
7. In-Ear Headphones according to claim 5 is characterized in that wherein said acoustic damping device makes for the polyurethane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910166198XA CN101998198A (en) | 2009-08-20 | 2009-08-20 | In-canal type earphones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910166198XA CN101998198A (en) | 2009-08-20 | 2009-08-20 | In-canal type earphones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101998198A true CN101998198A (en) | 2011-03-30 |
Family
ID=43787646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910166198XA Pending CN101998198A (en) | 2009-08-20 | 2009-08-20 | In-canal type earphones |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101998198A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103442313A (en) * | 2013-08-26 | 2013-12-11 | 郁志曰 | Earphone with front damping baffle |
| CN104185101A (en) * | 2013-05-20 | 2014-12-03 | 宝德科技股份有限公司 | Ear-entering type earphone |
| CN106792304A (en) * | 2015-11-21 | 2017-05-31 | 王永明 | A kind of multiple driver In-Ear Headphones |
| CN110958510A (en) * | 2019-12-31 | 2020-04-03 | 歌尔科技有限公司 | Sound box |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030081794A1 (en) * | 2001-10-31 | 2003-05-01 | Star Micronics Co., Ltd. | Insert earphone |
| CN101106833A (en) * | 2006-07-10 | 2008-01-16 | 固昌通讯股份有限公司 | Ear in and earplug earphone for front sound room cubage between adjusting horn and shell |
-
2009
- 2009-08-20 CN CN200910166198XA patent/CN101998198A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030081794A1 (en) * | 2001-10-31 | 2003-05-01 | Star Micronics Co., Ltd. | Insert earphone |
| CN101106833A (en) * | 2006-07-10 | 2008-01-16 | 固昌通讯股份有限公司 | Ear in and earplug earphone for front sound room cubage between adjusting horn and shell |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104185101A (en) * | 2013-05-20 | 2014-12-03 | 宝德科技股份有限公司 | Ear-entering type earphone |
| CN103442313A (en) * | 2013-08-26 | 2013-12-11 | 郁志曰 | Earphone with front damping baffle |
| CN103442313B (en) * | 2013-08-26 | 2016-12-28 | 郁志曰 | A kind of band front damping baffle earphone |
| CN106792304A (en) * | 2015-11-21 | 2017-05-31 | 王永明 | A kind of multiple driver In-Ear Headphones |
| CN110958510A (en) * | 2019-12-31 | 2020-04-03 | 歌尔科技有限公司 | Sound box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108605178B (en) | Pressure in earphone is balanced | |
| US8638963B2 (en) | Ear defender with concha simulator | |
| US10117016B2 (en) | Earphone capable of reducing pressure in ear canal and providing enhanced sound quality and method for making the same | |
| CN110915238B (en) | Speech intelligibility enhancement system | |
| WO2016101830A1 (en) | Open headphone | |
| US8897478B2 (en) | Earphone | |
| US20160366260A1 (en) | Method of Improving Sound Quality of Mobile Communication Terminal Under Receiver Mode | |
| WO2008139931A1 (en) | Earphone microphone | |
| MXPA05009412A (en) | Communications headset with isolating in-ear driver. | |
| CN101924967A (en) | Noise reduction earphone and method for reducing noises and distortion of same | |
| CN112584265B (en) | Earphone set | |
| CN206713027U (en) | Denoising device and earphone | |
| TW201106718A (en) | In-ear earphone | |
| CN211744683U (en) | In-ear headphones comprising a DSF channel | |
| KR20080001577A (en) | In-ear type and ear-plug type earphone with adjustable volume of front chamber between speaker and housing | |
| CN202004931U (en) | Sound pressure balanced system of in-ear headphone | |
| CN101998198A (en) | In-canal type earphones | |
| CN105120391B (en) | A kind of device of the active noise cancelling headphone tonequality lifting of energy | |
| CN201063832Y (en) | Novel ear-entering type earphone | |
| CN212727376U (en) | Earphone horn cavity capable of reducing noise | |
| CN206728236U (en) | A kind of preceding adjustable insert earphone of operatic tunes degree of being environmentally isolated | |
| US11445291B2 (en) | Noise-reducing earphone with adjustable voice | |
| CN206481427U (en) | A kind of earphone | |
| CN211089924U (en) | Earphone set | |
| CN201185479Y (en) | Open customization intra ear hearing aid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |