CN103079137B - Earphone with equalizing device - Google Patents
Earphone with equalizing device Download PDFInfo
- Publication number
- CN103079137B CN103079137B CN201310016512.2A CN201310016512A CN103079137B CN 103079137 B CN103079137 B CN 103079137B CN 201310016512 A CN201310016512 A CN 201310016512A CN 103079137 B CN103079137 B CN 103079137B
- Authority
- CN
- China
- Prior art keywords
- earphone
- housing
- acoustic resistance
- resistance unit
- equalizing device
- 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.)
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- 101001010782 Drosophila melanogaster Fez family zinc finger protein erm Proteins 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 13
- 238000013016 damping Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2892—Mountings or supports for transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Abstract
The present invention discloses the earphone of a kind of band equalizing device, comprise housing and earphone back casing before earphone, before described earphone, hull outside is provided with ear muff, before described earphone, housing is provided with front acoustic aperture, and the edge of described ear muff housing before described earphone is all folded with sandwich-type acoustic resistance unit in conjunction with the junction, edge of housing and described earphone back casing before place and described earphone. The earphone of the band equalizing device of the present invention, can reduce low frequency energy and leak when the front operatic tunes of earphone and rear operatic tunes pressure release, pleasant when earphone is worn, and without compressing sense, tonequality is balanced.
Description
Technical field
The present invention relates to earphone technical field, specifically, it relates to the earphone of a kind of band equalizing device.
Background technology
Existing earphone comprises housing and earphone back casing before earphone, and before earphone, housing is provided with ear muff, and earphone back casing is closed or semi-enclosed, and ear muff sometimes adopts air-locked cortex ear muff. The earphone of this kind of structure, ear muff be combined in housing before earphone together with in the front operatic tunes that formed, and the front housing of earphone be combined in earphone back casing together with will easily produce pressure in the rear operatic tunes that formed, cause sound wave normally naturally to transmit. The situation that earphone tonequality is stuffy, constrain such as occur, when the air-flow in the current operatic tunes impacts Loudspeaker diaphragm and people's ear-drum, vibrating diaphragm impacts by blast air and is out of shape, thus occurs that tonequality is abnormal, and the comfortable property causing earphone to be worn reduces and earphone distortion increases. Some earphone existing is in order to address this problem, and before earphone, gas pressure relief slot or hole are opened in the junction, edge of housing and earphone back casing, but gas pressure relief slot or hole can cause acoustic low-pass energy significantly to leak, and makes earphone tonequality balanced not.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of earphone that can reduce the band equalizing device that low frequency energy leaks when the front operatic tunes of earphone and rear operatic tunes pressure release.
For solving the problems of the technologies described above, the technical scheme of the present invention is: the earphone of a kind of band equalizing device, comprise housing and earphone back casing before earphone, before described earphone, hull outside is provided with ear muff, before described earphone, housing is provided with front acoustic aperture, and the edge of described ear muff housing before described earphone is all folded with sandwich-type acoustic resistance unit in conjunction with the junction, edge of housing and described earphone back casing before place and described earphone.
Preferably, described sandwich-type acoustic resistance unit comprises two laminated planks, is provided with acoustic resistance unit between two layers of described clamping plate.
Preferably, described acoustic resistance unit is the acoustic resistance unit adopting sound-resistance material to realize acoustic resistance.
Preferably, described acoustic resistance unit is the acoustic resistance unit adopting non-sound-resistance material to realize acoustic resistance.
After have employed technique scheme, the invention has the beneficial effects as follows: due to the earphone of this band equalizing device, comprise housing and earphone back casing before earphone, before described earphone, hull outside is provided with ear muff, before described earphone, housing is provided with front acoustic aperture, and before described ear muff and described earphone, the edge of housing is all folded with sandwich-type acoustic resistance unit in conjunction with the junction, edge of housing and described earphone back casing before place and described earphone. The earphone of equalizing device adding this kind of structure is when wearing, and the air-flow that pressing ear muff produces is by the gap pressure release of sandwich-type acoustic resistance unit, balanced to reach the pressure of each operatic tunes. Sandwich-type acoustic resistance unit can reduce acoustic low-pass energy leakage, is ensureing while the powerful bass of earphone, and electroacoustic transmodulator naturally can vibrate smoothly thus obtain the tonequality of high reduction degree, and tonequality is balanced.
The earphone of the band equalizing device of the present invention, without compressing sense when making earphone wear, tonequality is balanced.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is the structural representation of the earphone of the band equalizing device of the present invention;
Fig. 2 is the enlarged diagram in A portion in Fig. 1;
Fig. 3 is the part sectioned view of the sandwich-type acoustic resistance unit in Fig. 1;
In figure: 1, earphone back casing; 2, housing before earphone; 3, ear muff; 4, electroacoustic transmodulator; 5, front acoustic aperture; 6, sandwich-type acoustic resistance unit; 61, clamping plate; 62, acoustic resistance unit.
Embodiment
Fig. 1 is the structural representation of the earphone of the band equalizing device of the present invention, Fig. 2 is the enlarged diagram in A portion in Fig. 1, Fig. 3 is the part sectioned view of the sandwich-type acoustic resistance unit in Fig. 1, as shown in Figure 1, Figure 2 with Fig. 3 jointly shown in, the earphone of the band equalizing device of the present invention, comprise housing 2 and earphone back casing 1 before earphone, ear muff 3 it is provided with outside housing 2 before earphone, before earphone, housing 2 is provided with front acoustic aperture 5, and before ear muff 3 and earphone, the edge of housing 2 is all folded with sandwich-type acoustic resistance unit 6 in conjunction with the junction, edge of housing 2 and earphone back casing 1 before place and earphone. Sandwich-type acoustic resistance unit 6 comprises and is provided with acoustic resistance unit 62 between two laminated plank 61, two laminated planks 61. Acoustic resistance unit 62 is the acoustic resistance unit adopting sound-resistance material to realize, and namely sound-resistance material absorbs sound damping material, such as, adopt the sound absorption damping materials such as sponge, compression cotton or active carbon adsorption material; , it is also possible to adopt the equivalent acoustic resistance unit that non-sound-resistance material is made, certainly such as adopt the non-sound-resistance material such as metal or plastics, non-acoustic damping material is made staggered tooth shape or staggered hole shape, realizes acoustic resistance effect. Clamping plate 61 can select the clamping plate of plastic cement clamping plate or other material. Before ear muff 3 and earphone the edge of housing 2 in conjunction with the edge of housing 2 and earphone back casing 1 before place and earphone in conjunction with place respectively outer side with clamping plate 61 bond together. The earphone of equalizing device adding this kind of structure is when wearing, and the air-flow that pressing ear muff 3 produces is by the gap pressure release of acoustic resistance unit 62, balanced to reach the pressure of each operatic tunes. Acoustic resistance unit 62 can reduce low frequency energy and leak, and is ensureing while the powerful bass of earphone, and electroacoustic transmodulator 4 naturally can vibrate smoothly thus obtain the tonequality of high reduction degree, and tonequality is balanced. By changing the density of acoustic resistance unit 62, it is possible to change the damping value of acoustic resistance unit 62, reach the object regulating the frequency of sound to ring.
The earphone of the band equalizing device of the present invention, without compressing sense when making earphone wear, tonequality is balanced.
In addition, this kind of equalizing device is not limited to be installed on this kind of earphone and listens to equipment, it is also possible to is installed on listening to of other and uses on equipment.
The above is the citing of best mode for carrying out the invention, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art. Protection scope of the present invention is as the criterion with the content of claim, the equivalent transformation that any technology based on the present invention is enlightened and carried out, also within protection scope of the present invention.
Claims (4)
1. the earphone of band equalizing device, comprise housing and earphone back casing before earphone, before described earphone, hull outside is provided with ear muff, before described earphone, housing is provided with front acoustic aperture, it is characterised in that: the edge of described ear muff housing before described earphone is all folded with sandwich-type acoustic resistance unit in conjunction with the junction, edge of housing and described earphone back casing before place and described earphone.
2. the earphone of band equalizing device as claimed in claim 1, it is characterised in that: described sandwich-type acoustic resistance unit comprises two laminated planks, is provided with acoustic resistance unit between two layers of described clamping plate.
3. the earphone of band equalizing device as claimed in claim 1 or 2, it is characterised in that: described acoustic resistance unit is the acoustic resistance unit adopting sound-resistance material to realize acoustic resistance.
4. the earphone of band equalizing device as claimed in claim 1 or 2, it is characterised in that: described acoustic resistance unit is the acoustic resistance unit adopting non-sound-resistance material to realize acoustic resistance.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310016512.2A CN103079137B (en) | 2013-01-16 | 2013-01-16 | Earphone with equalizing device |
| PCT/CN2013/073920 WO2014110873A1 (en) | 2013-01-16 | 2013-04-09 | Headset with pressure equalizing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310016512.2A CN103079137B (en) | 2013-01-16 | 2013-01-16 | Earphone with equalizing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103079137A CN103079137A (en) | 2013-05-01 |
| CN103079137B true CN103079137B (en) | 2016-06-08 |
Family
ID=48155525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310016512.2A Active CN103079137B (en) | 2013-01-16 | 2013-01-16 | Earphone with equalizing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103079137B (en) |
| WO (1) | WO2014110873A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018002883A1 (en) * | 2016-06-29 | 2018-01-04 | 3M Innovative Properties Company | A method of retrofitting a hearing protector, and a hearing protector |
| US10659865B2 (en) | 2017-05-16 | 2020-05-19 | Brianna Marie Royer | Headset and method for automatic reduction of ear pressure and barotrauma |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04227396A (en) * | 1991-05-16 | 1992-08-17 | Sony Corp | Headphone |
| CN2862517Y (en) * | 2005-11-17 | 2007-01-24 | 上海福泽工业自动化设备有限公司 | Anti-noise industrial broadcast intercommunication station |
| CN201657311U (en) * | 2010-03-13 | 2010-11-24 | 歌尔声学股份有限公司 | Single-pointed-direction capacitance type microphone |
| CN102421043A (en) * | 2011-09-28 | 2012-04-18 | 美律电子(深圳)有限公司 | Headphone with acoustic adjustment device |
| CN203027439U (en) * | 2013-01-16 | 2013-06-26 | 青岛歌尔声学科技有限公司 | Headset with pressure-equalizing device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101595738A (en) * | 2006-12-04 | 2009-12-02 | 自适应技术公司 | Acoustic attenuation earmuff with isolated duplex shell structure |
| SG152939A1 (en) * | 2007-11-22 | 2009-06-29 | Creative Tech Ltd | An ear bud earphone with variable noise isolation, a cushion for an ear bud earphone and a corresponding method |
| CN101346010B (en) * | 2008-08-22 | 2012-03-14 | 祝子雄 | Pressure reduction type headphone |
| JP5491880B2 (en) * | 2010-01-26 | 2014-05-14 | 株式会社オーディオテクニカ | Headphone unit |
| US8675903B2 (en) * | 2010-11-29 | 2014-03-18 | Motorola Solutions, Inc. | Acoustic porting for a portable communication device |
| CN202004931U (en) * | 2010-12-17 | 2011-10-05 | 歌尔声学股份有限公司 | Sound pressure balanced system of in-ear headphone |
| JP2012156708A (en) * | 2011-01-25 | 2012-08-16 | Audio Technica Corp | Earphone |
-
2013
- 2013-01-16 CN CN201310016512.2A patent/CN103079137B/en active Active
- 2013-04-09 WO PCT/CN2013/073920 patent/WO2014110873A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04227396A (en) * | 1991-05-16 | 1992-08-17 | Sony Corp | Headphone |
| CN2862517Y (en) * | 2005-11-17 | 2007-01-24 | 上海福泽工业自动化设备有限公司 | Anti-noise industrial broadcast intercommunication station |
| CN201657311U (en) * | 2010-03-13 | 2010-11-24 | 歌尔声学股份有限公司 | Single-pointed-direction capacitance type microphone |
| CN102421043A (en) * | 2011-09-28 | 2012-04-18 | 美律电子(深圳)有限公司 | Headphone with acoustic adjustment device |
| CN203027439U (en) * | 2013-01-16 | 2013-06-26 | 青岛歌尔声学科技有限公司 | Headset with pressure-equalizing device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014110873A1 (en) | 2014-07-24 |
| CN103079137A (en) | 2013-05-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |