CN110312192A - A kind of transducing head and mobile terminal - Google Patents
A kind of transducing head and mobile terminal Download PDFInfo
- Publication number
- CN110312192A CN110312192A CN201910693724.1A CN201910693724A CN110312192A CN 110312192 A CN110312192 A CN 110312192A CN 201910693724 A CN201910693724 A CN 201910693724A CN 110312192 A CN110312192 A CN 110312192A
- Authority
- CN
- China
- Prior art keywords
- acoustic
- magnet
- shell
- electrical transducer
- transducing head
- 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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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/08—Microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention provides a kind of transducing head and mobile terminal, transducing head includes: electroacoustic transducer, the electroacoustic transducer includes first shell, magnet, voice coil and vibrating diaphragm, the first shell has the first accommodating chamber, the magnet is set to first accommodating chamber, the voice coil is connect with the vibrating diaphragm, offers through-hole on the vibrating diaphragm；Acoustic-electrical transducer, the acoustic-electrical transducer are located at the accommodation space that the voice coil is enclosed, and the acoustic-electrical transducer is set on the magnet or is partially submerged into the magnet, and the sound inlet of the acoustic-electrical transducer is towards the through-hole.Pass through the aperture on the vibrating diaphragm of electroacoustic transducer, and the accommodation space for being enclosed the voice coil that electroacoustic transducer is arranged in acoustic-electrical transducer, transducing head is enabled to integrate electroacoustic transducer and acoustic-electrical transducer, to realize two kinds of functions of loudspeaking and recording, in this way, assembly space can be greatly reduced, and then the lightening development of mobile terminal can be conducive to.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of transducing heads and mobile terminal.
Background technique
With the development of communication technologies, the mobile terminals such as mobile phone and plate are gradually gained popularity.Existing mobile terminal is logical
Electroacoustic transducer and acoustic-electrical transducer are often installed, wherein electroacoustic transducer is used for the broadcasting of sound, and acoustic-electrical transducer is used for sound
The recording of sound, this makes mobile terminal be provided simultaneously with sound-playing function and sound-recording function.However, due to electroacoustic transducer and
Acoustic-electrical transducer is individual two components, can occupy certain assembly space, during installation so as to cause required occupancy
Assembly space is larger, this is unfavorable for the lightening development of mobile terminal.
Summary of the invention
The embodiment of the present invention provides a kind of transducing head and mobile terminal, to solve because of existing electroacoustic transducer and acoustic-electric
Energy converter is individual two components, can occupy certain assembly space, during installation so as to cause the assembly of required occupancy
The larger problem in space.
In order to solve the above technical problems, the present invention is implemented as follows:
In a first aspect, the embodiment of the invention provides a kind of transducing heads, comprising:
Electroacoustic transducer, the electroacoustic transducer include first shell, magnet, voice coil and vibrating diaphragm, the first shell tool
There is the first accommodating chamber, the magnet is set to first accommodating chamber, and the voice coil is connect with the vibrating diaphragm, opens on the vibrating diaphragm
Equipped with through-hole；
Acoustic-electrical transducer, the acoustic-electrical transducer is located at the accommodation space that the voice coil is enclosed, and the acoustic-electric changes
Can device be set on the magnet or be partially submerged into the magnet, the sound inlet of the acoustic-electrical transducer is towards the through-hole.
Second aspect, the embodiment of the present invention also provide a kind of mobile terminal, the transducing head provided including first aspect.
In embodiments of the present invention, by the aperture on the vibrating diaphragm of electroacoustic transducer, and acoustic-electrical transducer is arranged in electricity
The accommodation space that the voice coil of sonic transducer is enclosed enables transducing head to collect electroacoustic transducer and acoustic-electrical transducer in one
Body, thus realize two kinds of functions of loudspeaking and recording, in this way, be individually arranged compared to electroacoustic transducer and acoustic-electrical transducer
Mode, the embodiment of the present invention can greatly reduce assembly space, and then can be conducive to the lightening development of mobile terminal.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure chart for the transducing head that one embodiment of the invention provides；
Fig. 2 is the explosive view for the transducing head that one embodiment of the invention provides；
Fig. 3 is the explosive view of the acoustic-electrical transducer in the transducing head that one embodiment of the invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
As shown in Figure 1 to Figure 3, one embodiment of the invention provides a kind of transducing head, comprising:
Electroacoustic transducer, electroacoustic transducer include first shell 1, magnet 2, voice coil 3 and vibrating diaphragm 4, and first shell 1 has the
One accommodating chamber 11, magnet 2 are set to the first accommodating chamber 11, and voice coil 3 is connect with vibrating diaphragm 4, and through-hole 41 is offered on vibrating diaphragm 4；
Acoustic-electrical transducer 5, acoustic-electrical transducer 5 is located at the accommodation space that voice coil 3 is enclosed, and acoustic-electrical transducer 5 is arranged
In on magnet 2 or being partially submerged into magnet 2, the sound inlet 51 of acoustic-electrical transducer 5 is towards through-hole 41.
Wherein, above-mentioned electroacoustic transducer can be used for converting the electrical signal to voice signal；Above-mentioned acoustic-electrical transducer 5 can be with
For voice signal to be converted into electric signal.
Said first shell 1 can be understood as the shell of electroacoustic transducer；Said first shell 1 is referred to as frame；
Said first shell 1 can be used for fixing and supporting all parts of transducing head.Above-mentioned vibrating diaphragm 4 can be and the first accommodating chamber
11 accent connection, above-mentioned voice coil 3 can be set to the first accommodating chamber 11 and be sheathed on above-mentioned magnet 2 it is outer and with above-mentioned vibrating diaphragm
4 connections.
Above-mentioned voice coil 3 is connect with vibrating diaphragm 4 can be one end of voice coil 3 and connect with vibrating diaphragm 4.Above-mentioned voice coil 3 and above-mentioned vibrating diaphragm 4
It can be and be bonded by glue, be also possible to connect by other means.Above-mentioned sound inlet 51 can be set in acoustic-electrical transducer 5
The first surface 54 towards through-hole 41 on.
Above-mentioned magnet 2 may include the magnetite 22 and magnetic conduction sheet 23 being stacked, and herein, magnetite 22 can play offer magnetic
The effect of field, magnetic conduction sheet 23 can play the role of poly- magnetic.When above-mentioned magnet 2 includes the magnetite 22 and magnetic conduction sheet 23 being stacked
When, above-mentioned acoustic-electrical transducer 5 is set on magnet 2 it is to be understood that acoustic-electrical transducer 5 is arranged on magnetic conduction sheet 23.
Above-mentioned vibrating diaphragm 4 can be used for issuing sound wave by vibration；Above-mentioned voice coil 3 can be used for that vibrating diaphragm 4 is driven to vibrate.Specifically
For, the loudspeaking principle of the transducing head in the embodiment of the present invention can be such that when voice coil 3 passes through alternating current the stress in magnetic field
Vibration, and then vibrating diaphragm 4 connected to it is driven to vibrate, so that vibrating diaphragm 4 be made to issue sound wave by vibration.
In embodiments of the present invention, by the vibrating diaphragm aperture in electroacoustic transducer, and acoustic-electrical transducer is arranged in electroacoustic
The accommodation space that the voice coil of energy converter is enclosed enables transducing head to collect electroacoustic transducer and acoustic-electrical transducer in one
Body, thus realize two kinds of functions of loudspeaking and recording, in this way, be individually arranged compared to electroacoustic transducer and acoustic-electrical transducer
Mode, the embodiment of the present invention can greatly reduce assembly space, and then can be conducive to the lightening development of mobile terminal；Together
When, can also it make it is not necessary that pickup hole is separately provided on the shell of mobile terminal, so that the aesthetics of mobile terminal can either be improved,
Also it can be improved the waterproof performance of mobile terminal.
Optionally, the first cable hole 21 is offered on magnet 2, the first cable hole 21 runs through magnet 2, acoustic-electrical transducer 5
Cabling is arranged in the first cable hole 21.
Wherein, it can also be embedded with locating piece 6 in above-mentioned first cable hole 21, the outer wall of the locating piece 6 can be and the
The hole wall of one cable hole 21 is bonded, and can offer the through-hole passed through for the cabling of acoustic-electrical transducer 5 on the locating piece 6, is positioned
The central axis of through-hole on part 6 can be to be overlapped with the central axis of the first cable hole 21；In this way, when magnet 2 includes stacked
Magnetite 22 and magnetic conduction sheet 23 when, locating piece 6 can play positioning action to magnetite 22 and magnetic conduction sheet 23, and then can be more square
Just it installs.
The central axes of above-mentioned first cable hole 21 can be straight line, broken line or curve, in this regard, the embodiment of the present invention is herein not
It limits.
Due to being provided with the first cable hole on magnet so that acoustic-electrical transducer can directly by the first cable hole with
External devices electrical connection, in such manner, it is possible to make acoustic-electrical transducer cabling more convenient.
Optionally, the first cable hole 21 is located at orthographic projection region of the acoustic-electrical transducer 5 on magnet 2.
Since the first cable hole is located at orthographic projection region of the acoustic-electrical transducer on magnet, so that acoustic-electric transducing
The cabling of device is more easily brought out, and enables to cable run distance shorter.
Optionally, the second cable hole 12 is offered in first shell 1, the second cable hole 12 runs through first shell 1, and second walks
String holes 12 is connected to the first cable hole 21；
The cabling of acoustic-electrical transducer 5 is arranged in the first cable hole 21 and the second cable hole 12.
Wherein, above-mentioned second cable hole 12 can be overlapped or be not overlapped with the central axes of above-mentioned first cable hole 21；
When the second cable hole 12 is overlapped with the central axes of above-mentioned first cable hole 21, it can further shorten the cabling of acoustic-electrical transducer
Distance.
Since the second cable hole is connected to the first cable hole, so that the cabling of acoustic-electrical transducer can be more easily
It is brought out, and enables to the cable run distance of acoustic-electrical transducer shorter.
Optionally, acoustic-electrical transducer 5 includes:
Second shell 52, second shell 52 have the second accommodating chamber；
Diaphragm 53, diaphragm 53 are set to the second accommodating chamber；
Back pole plate 55, back pole plate 55 is set to the second accommodating chamber, and is spaced and is arranged with diaphragm 53, back pole plate 55 and magnet 2
Insulation.
Wherein, above-mentioned second shell 52 can be understood as the shell of acoustic-electrical transducer 5.
Above-mentioned diaphragm 53 can be arranged close to the first surface 54 towards through-hole 41 of acoustic-electrical transducer 5.Above-mentioned diaphragm 53
It can be directly anchored in second shell 52, that is to say, that above-mentioned diaphragm 53 can be by being fixedly connected with realization with second shell 52
It is fixed.Charge is can store on above-mentioned diaphragm 53；Above-mentioned diaphragm 53 can generate vibration when receiving sound wave.Above-mentioned diaphragm
May exist gap between 53 and first surface 54, which can be used for providing oscillation space for diaphragm 53.Above-mentioned back pole plate
55 can be directly anchored in the second shell 52 of acoustic-electrical transducer 5, that is to say, that above-mentioned diaphragm 53 can by with second shell
Body 52 is fixedly connected with realization and fixes.Charge can be had on above-mentioned back pole plate 55.
In embodiments of the present invention, above-mentioned back pole plate 55 and above-mentioned diaphragm 53 can be equivalent at two capacitor plates, according to
It is found that when diaphragm 53 receives sound wave and generates vibration, the distance between back pole plate 55 and diaphragm 53 can be sent out capacitor principle
Changing, so that corresponding variation occurs for the voltage between back pole plate 55 and diaphragm 53.
Optionally, the end of one end of second shell 52 is connect with vibrating diaphragm 4.
Wherein, the end of one end of above-mentioned second shell 52 connect the end that can be one end of second shell 52 with vibrating diaphragm 4
Portion is connect with the edge of vibrating diaphragm 4 opened up at through-hole 41.
It should be pointed out that in some embodiments, the end and vibrating diaphragm 4 of one end of second shell 52 can not also connect
It connects.
Since the end of one end of second shell is connect with vibrating diaphragm, so that the vibration of vibrating diaphragm can be more stable, into
And enable to loud-speaking effect more preferable, while it is also possible that the globality of transducing head is more preferable.
Optionally, acoustic-electrical transducer 5 further includes circuit board 56；
Circuit board 56 is set to the second accommodating chamber, and circuit board 56 is electrically connected with diaphragm 53 and back pole plate 55 respectively, circuit board
56 are set on magnet 2 or at least partially embedded magnet 2, and circuit board 56 and magnet 2 insulate.
Wherein, foregoing circuit plate 56 can be used for acquiring the voltage change △ U between back pole plate 55 and diaphragm 53, and by △
U is converted into corresponding curent change △ I, and leads to audio analysis component by cable after △ I is amplified, so as to audio
Analysis component analyzes corresponding acoustic signals by calculating amplified △ I.
At least partially embedded magnet 2 of foregoing circuit plate 56, can be circuit board 56 and is partially submerged into magnet 2, be also possible to electricity
Road plate 56 has fully embedded into magnet 2.It should be noted that in some embodiments, foregoing circuit plate 56 also can be set
Outside one accommodating chamber.
It may is that it may be noted that aforementioned first cable hole 21 is located at orthographic projection region of the acoustic-electrical transducer 5 on magnet 2
First cable hole 21 is located at orthographic projection region of the circuit board 56 on magnet 2.
Since circuit board setting is in the second accommodating chamber so that circuit board can closer to diaphragm and back pole plate, into
And can shorten circuit board and diaphragm and back pole plate is electrically connected distance, improves the reliability of sound collection.
Optionally, acoustic-electrical transducer 5 further includes the first supporting element 57；
First supporting element 57 supports back pole plate 55, and the first supporting element 57 is set on magnet 2 or at least partially embedded magnet
2, magnet 2 has the second surface 24 towards through-hole 41, height of first supporting element 57 on the direction perpendicular to second surface 24
Degree is greater than height of the circuit board 56 on the direction perpendicular to second surface 24, and circuit board 56 and the interval of back pole plate 55 are arranged；
First supporting element 57 is insulating part.
Wherein, above-mentioned first supporting element 57 can be set in the second accommodating chamber；Above-mentioned first supporting element 57 can also be fixed
In second shell 52, that is to say, that above-mentioned first supporting element 57 can also be realized admittedly by being fixedly connected with second shell 52
It is fixed.Above-mentioned first supporting element 57 supports back pole plate 55 it is to be understood that back pole plate 55 is placed on the first supporting element 57.Above-mentioned first
Supporting element 57 can be cyclic structure.
Due to being provided with the first supporting element of support back pole plate, so that back pole plate is more firm, firm；Together
When, due to the first supporting element height be greater than circuit board height so that between circuit board and back pole plate can there are
Gap, and then interfering with each other between circuit board and back pole plate can be reduced.
Optionally, acoustic-electrical transducer 5 further includes the second supporting element 58；
Second supporting element 58 supports diaphragm 53, and the second supporting element 58 is set on back pole plate 55；
Second supporting element 58 is insulating part.
Wherein, above-mentioned second supporting element 58 can be set in the second accommodating chamber；Above-mentioned second supporting element 58 can also be fixed
In second shell 52, that is to say, that above-mentioned second supporting element 58 can also be realized admittedly by being fixedly connected with second shell 52
It is fixed.Above-mentioned second supporting element 58 supports diaphragm 53 it is to be understood that diaphragm 53 is set on the second supporting element 58.Above-mentioned second
Support member 58 can be cyclic structure；Specifically, above-mentioned second supporting element 58 can be the copper ring that insulation processing has been done on surface.
Since the second supporting element of Supported film piece is arranged, so that diaphragm is more firm, firm.
Optionally, second shell 52 is sound insulation shell.
Wherein, above-mentioned second shell 52 is by sound insulation shell it is to be understood that second shell is made of acoustic material.
Since second shell is sound insulation shell, acoustic-electric is changed so as to reduce the sound wave that the vibrating diaphragm of electroacoustic transducer issues
The interference of energy device, and then enable to recording effect more preferable.
It should be noted that the embodiment for the plurality of optional introduced in the embodiment of the present invention, can be combined with each other each other
It realizes, can also be implemented separately, this embodiment of the present invention is not construed as limiting.
One embodiment of the invention provides a kind of mobile terminal, including the transducing head in above-described embodiment.
Wherein, mobile terminal can be mobile phone, tablet computer (Tablet Personal Computer), laptop computer
(Laptop Computer), personal digital assistant (personal digital assistant, abbreviation PDA), mobile Internet access dress
Set (Mobile Internet Device, abbreviation MID), car-mounted terminal or wearable device (Wearable Device) etc..
In the embodiment of the present invention, due to including the transducing head in above-described embodiment, to solve and above-described embodiment phase
Same technical problem, and reach identical technical effect, to avoid repeating, which is not described herein again.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (11)
1. a kind of transducing head characterized by comprising
Electroacoustic transducer, the electroacoustic transducer include first shell, magnet, voice coil and vibrating diaphragm, and the first shell has the
One accommodating chamber, the magnet are set to first accommodating chamber, and the voice coil is connect with the vibrating diaphragm, offer on the vibrating diaphragm
Through-hole；
Acoustic-electrical transducer, the acoustic-electrical transducer are located at the accommodation space that the voice coil is enclosed, and the acoustic-electrical transducer
It is set on the magnet or is partially submerged into the magnet, the sound inlet of the acoustic-electrical transducer is towards the through-hole.
2. transducing head according to claim 1, which is characterized in that the acoustic-electrical transducer includes:
Second shell, the second shell have the second accommodating chamber；
Diaphragm, the diaphragm are set to second accommodating chamber；
Back pole plate, the back pole plate is set to second accommodating chamber, and is arranged with the diaphragm interval, the back pole plate and institute
State magnet insulation.
3. transducing head according to claim 2, which is characterized in that the end of one end of the second shell and the vibration
Film connection.
4. transducing head according to claim 2, which is characterized in that the acoustic-electrical transducer further includes circuit board；
The circuit board is set to second accommodating chamber, and the circuit board is electrically connected with the diaphragm and the back pole plate respectively
It connects, the circuit board is set on the magnet or at least partially embedded magnet, and insulate with the magnet.
5. transducing head according to claim 4, which is characterized in that the acoustic-electrical transducer further includes the first supporting element；
Back pole plate described in first supports support, first supporting element are set on the magnet or at least partially embedded
The magnet, the magnet have the second surface towards the through-hole, and first supporting element is perpendicular to second table
Height on the direction in face is greater than height of the circuit board on the direction perpendicular to the second surface, the circuit board with
The back pole plate interval setting；
First supporting element is insulating part.
6. transducing head according to claim 2, which is characterized in that the acoustic-electrical transducer further includes the second supporting element；
Diaphragm described in second supports support, second supporting element are set on the back pole plate；
Second supporting element is insulating part.
7. transducing head according to claim 2, which is characterized in that the second shell is sound insulation shell.
8. transducing head according to any one of claims 1 to 7, which is characterized in that offer first on the magnet and walk
String holes, first cable hole run through the magnet, and the cabling of the acoustic-electrical transducer is arranged in first cable hole.
9. transducing head according to claim 8, which is characterized in that first cable hole is located at the acoustic-electrical transducer
Orthographic projection region on the magnet.
10. transducing head according to claim 8, which is characterized in that the second cable hole is offered in the first shell,
Second cable hole runs through the first shell, and second cable hole is connected to first cable hole；
The cabling of the acoustic-electrical transducer is arranged in first cable hole and second cable hole.
11. a kind of mobile terminal, which is characterized in that including transducing head as described in any one of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910693724.1A CN110312192A (en) | 2019-07-30 | 2019-07-30 | A kind of transducing head and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910693724.1A CN110312192A (en) | 2019-07-30 | 2019-07-30 | A kind of transducing head and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110312192A true CN110312192A (en) | 2019-10-08 |
Family
ID=68082405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910693724.1A Pending CN110312192A (en) | 2019-07-30 | 2019-07-30 | A kind of transducing head and mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110312192A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0562516B2 (en) * | 1982-11-15 | 1993-09-08 | Matsushita Electric Ind Co Ltd | |
| CN1443021A (en) * | 2002-03-01 | 2003-09-17 | 阿尔卑斯电气株式会社 | Audio equipment |
| EP1634480A1 (en) * | 2003-06-05 | 2006-03-15 | Koninklijke Philips Electronics N.V. | Combined microphone-loudspeaker |
| US20110170699A1 (en) * | 2010-01-11 | 2011-07-14 | Austriamicrosystems Ag | Loudspeaker and System for Active Noise Cancellation |
| CN103428600A (en) * | 2012-05-25 | 2013-12-04 | Akg声学有限公司 | Earphone with active suppression of ambient noise |
| CN204539457U (en) * | 2015-04-24 | 2015-08-05 | 捷音特科技股份有限公司 | Center noise reduction horn structure |
| SE1651740A1 (en) * | 2016-12-23 | 2018-05-22 | Zound Industries Int Ab | A headphone comprising an acoustic transducer with microphone and device for acoustic adaptation |
-
2019
- 2019-07-30 CN CN201910693724.1A patent/CN110312192A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0562516B2 (en) * | 1982-11-15 | 1993-09-08 | Matsushita Electric Ind Co Ltd | |
| CN1443021A (en) * | 2002-03-01 | 2003-09-17 | 阿尔卑斯电气株式会社 | Audio equipment |
| EP1634480A1 (en) * | 2003-06-05 | 2006-03-15 | Koninklijke Philips Electronics N.V. | Combined microphone-loudspeaker |
| US20110170699A1 (en) * | 2010-01-11 | 2011-07-14 | Austriamicrosystems Ag | Loudspeaker and System for Active Noise Cancellation |
| CN103428600A (en) * | 2012-05-25 | 2013-12-04 | Akg声学有限公司 | Earphone with active suppression of ambient noise |
| CN204539457U (en) * | 2015-04-24 | 2015-08-05 | 捷音特科技股份有限公司 | Center noise reduction horn structure |
| SE1651740A1 (en) * | 2016-12-23 | 2018-05-22 | Zound Industries Int Ab | A headphone comprising an acoustic transducer with microphone and device for acoustic adaptation |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191008 |
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