CN113497987B - Microphone pickup assembly and electronic equipment - Google Patents
Microphone pickup assembly and electronic equipment Download PDFInfo
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- CN113497987B CN113497987B CN202010261505.9A CN202010261505A CN113497987B CN 113497987 B CN113497987 B CN 113497987B CN 202010261505 A CN202010261505 A CN 202010261505A CN 113497987 B CN113497987 B CN 113497987B
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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
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/06—Drive circuits; Control arrangements or methods
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/725—Cordless telephones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Set Structure (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The application provides a microphone pickup assembly and electronic equipment, relates to electronic equipment technical field. The microphone pickup assembly comprises a fixed support; a microphone module with a sound pickup hole, wherein the microphone module at least comprises a microphone element; the driving structure is relatively fixed with the fixed support, connected with the microphone module and used for driving the microphone module to move along a first direction relative to the fixed support; the pickup holes are arranged at intervals along the direction vertical to the first direction, the pickup holes are symmetrically arranged relative to the center line of the microphone module, the center line is parallel to the first direction, the microphone elements are provided with a plurality of pickup holes, and the pickup holes and the microphone elements are arranged in a one-to-one mode.
Description
Technical Field
The application relates to the technical field of electronic equipment, in particular to a microphone pickup assembly and electronic equipment.
Background
Electronic devices are typically provided with microphones for recording, as a means of recording video and audio. As shown in fig. 1, a sound pickup hole 03 for collecting sound is generally formed in the front surface of the housing 02 of the electronic apparatus 01 (i.e., exposed on the surface of the housing 02 facing the user).
When concrete design pickup hole size, need gain balance between the pleasing to the eye degree of guarantee electronic equipment appearance and pickup effect, because pickup hole is too little, then influences the pickup effect, and when pickup hole was too big, the pleasing to the eye degree of appearance that will corresponding reduction electronic equipment. Therefore, in the specific implementation, it is difficult to design a sound pickup hole that not only ensures the sound pickup effect, but also does not reduce the aesthetic appearance of the sound pickup hole. With the development of science and technology, the design difficulty is more and more prominent under the condition that the requirements of users on the sound receiving effect and the appearance attractiveness of the electronic equipment are higher and higher.
Disclosure of Invention
The application provides a microphone pickup assembly and electronic equipment, and the main objective is reducing under the prerequisite that influences the pickup effect, improves the pleasing to the eye degree of appearance of electronic equipment.
In order to achieve the purpose, the technical scheme is as follows:
in a first aspect, the present application provides a microphone pickup assembly for being disposed on an electronic device, the microphone pickup assembly comprising:
a fixed support;
a microphone module having a sound pickup hole, the microphone module comprising at least a microphone element;
the driving structure is relatively fixed with the fixed support, connected with the microphone module and used for driving the microphone module to move along a first direction relative to the fixed support;
the microphone module comprises a microphone element and a plurality of sound pickup holes, wherein the microphone element is provided with the plurality of sound pickup holes, the plurality of sound pickup holes are arranged at intervals along the direction vertical to the first direction, the plurality of sound pickup holes are symmetrically arranged relative to the center line of the microphone module, the center line is parallel to the first direction, and the plurality of sound pickup holes and the plurality of microphone elements are arranged in a one-to-one mode.
The application provides a microphone pickup assembly, because the drive structure can drive the relative fixed bearing of microphone module and remove, when concrete implementation, install this microphone pickup assembly in the shell of the electronic equipment that has the display screen of great size, the drive structure drives the relative fixed bearing of microphone module and removes between rising position and fallback position, when the drive structure drives the microphone module and removes to rising position, the pick-up hole just is located the outside of electronic equipment's shell, when the drive structure drives the microphone module and removes to the fallback position, the pick-up hole is hidden in the inside of electronic equipment's shell. In this way, in the specific implementation, if video or audio is required, the driving structure drives the microphone module to move the sound pickup hole to the outside of the shell of the electronic equipment so as to pick up sound, and if video or audio is not required, the driving structure drives the microphone module to hide the sound pickup hole in the shell of the electronic equipment, that is, the sound pickup hole can be hidden when the microphone module is not used. Therefore, the appearance attractiveness of the electronic equipment can be improved on the basis of reducing the influence on the sound pickup effect.
In addition, owing to will pick up the sound hole and set up a plurality ofly with corresponding microphone component, and lay the sound hole according to the second direction interval with first direction vertically, simultaneously, the central line symmetry of the relative microphone module in a plurality of sound holes of picking up is laid, because when being used for the electronic equipment that has great display screen with this microphone pickup subassembly, pick up how much and the mode of laying of sound hole and influence the pickup effect very much, this application adopts a plurality ofly and the influence that the symmetrical pickup hole of laying can not reduce the pickup effect.
In a possible implementation manner of the first aspect, the microphone module further includes: the lifting shell is connected with the driving structure, and the driving structure can drive the lifting shell to move relative to the fixed support; the circuit board is arranged in the lifting shell; the cover plate is arranged opposite to the circuit board, an opening is formed in the lifting shell, and the cover plate is arranged at the opening; the microphone element is arranged on the side face, away from the cover plate, of the circuit board, a sound guide hole is formed in the position, opposite to the microphone element, of the circuit board, the sound pickup hole is formed in the cover plate, and sound can be transmitted to the sound guide hole from the sound pickup hole; the dustproof structure is arranged between the cover plate and the circuit board and covers the opening of the sound pickup hole and the opening of the sound guide hole. Through seting up the sound picking hole on the apron, and set up dustproof construction between apron and circuit board, set up again on the circuit board and lead the sound hole, like this, concentrate to the sound of picking up the sound hole and pass through dustproof construction's filtration, the rethread leads the sound hole and passes to the microphone component, utilize dustproof construction to prevent that the dust through picking up the sound hole from getting into the microphone component, in order to improve the sound collection effect, and set up in the lift shell through the circuit board that will have the microphone component, play the guard action to the circuit board, microphone component and dustproof construction, and the service life is prolonged.
In a possible implementation manner of the first aspect, the dust-proof structure includes: at least two layers of dust screens are arranged in a stacked mode, every two adjacent layers of dust screens are bonded, the dust screens close to the cover plate are bonded with the cover plate, and the dust screens close to the circuit board are bonded with the circuit board. Utilize multilayer dust screen to filter the dust to improve dustproof effect.
In a possible implementation manner of the first aspect, a plane where an end of the microphone away from the fixed support is located passes through the sound pickup hole, or a plane where an end of the microphone away from the fixed support is located is flush with a face of the sound pickup hole away from the fixed support. The technical effect achieved by the design is as follows: if the plane of the end part of the microphone, which is far away from the fixed support, is located at the outer side of the side face of the sound pick-up hole, the distance of movement is greater than the distance of movement when the sound pick-up hole is required to be exposed to the outside of the shell of the electronic equipment when the microphone module is moved, and then the height dimensions of the circuit board and the cover plate exposed to the outside of the shell of the electronic equipment can be shortened when the microphone module is adopted, so that the appearance attractiveness is improved.
In a possible implementation manner of the first aspect, the method further includes: the guide structure, the relative both sides face of microphone module all passes through guide structure with fixing support connects, guide structure is used for the guide the microphone module is relative fixing support follows the first direction slides. All set up guide structure through the both sides face at the microphone module to guide the relative fixing support of microphone module slip, with the stability that improves the microphone module and remove.
In a possible implementation manner of the first aspect, the guide structure includes: the guide shaft is fixed relative to the fixed support, and the extending direction of the guide shaft is parallel to the first direction; the sliding sleeve is sleeved outside the guide shaft, the sliding sleeve can slide along the extending direction of the guide shaft, and the microphone module is relatively fixed with the sliding sleeve. The microphone module can slide by adopting the guide shaft and the sliding sleeve which are in clearance fit, and the guide structure is simple and convenient to implement.
In a possible implementation manner of the first aspect, the driving structure includes: the push rods are relatively fixed with the microphone module and symmetrically distributed relative to the center line of the microphone module; the push rods are connected with the same driving motor through the transmission mechanism, and the transmission mechanism can convert the rotary motion of an output shaft of the driving motor into the linear motion of the push rods along the first direction. Utilize the push rod that a plurality of symmetries set up, can make the push-and-pull power to the microphone module even to avoid the microphone module to appear the phenomenon of jamming at the removal in-process, and a plurality of push rods drive through a driving motor and compare and adopt a plurality of driving motor drives, firstly can reduce manufacturing cost, secondly can the noise reduction.
In a possible implementation manner of the first aspect, the transmission mechanism includes: one end of the transmission screw rod is connected with an output shaft of the driving motor, and the transmission screw rod is arranged in a direction parallel to the first direction; the traction piece is in threaded fit with the transmission screw rod and is connected with the push rods so as to drive the push rods to move synchronously; a guide structure for guiding the pulling member to move along the drive screw. The transmission mechanism utilizes spiral transmission to enable the microphone module to move relative to the fixed support, and the transmission mechanism is simple in structure and stable in transmission.
In a possible implementation manner of the first aspect, a cavity is formed in the fixed support, the driving structure and the microphone module are both disposed in the cavity, the fixed support further has a through hole communicated with the cavity, and when the microphone module moves relative to the fixed support, the microphone module can penetrate through the through hole and extend out of the cavity. Through setting up drive structure and microphone module in the cavity to play the guard action to electronic components, in addition, when the microphone module was in the position of falling back, the microphone module was located the cavity, had both played the guard action to the microphone module, can also make whole compact structure, and set up the perforation on sealed covering, in order to realize that the microphone module removed between rising position and the position of falling back.
In a possible implementation manner of the first aspect, a side surface of the fixed support, which is opposite to the microphone module, is made of a rigid material. Because when installing this microphone pickup assembly in electronic equipment's shell, because other structures in the shell may contact with fixing support, cause the extrusion even, set up to rigid structure through the side with fixing support's loudness microphone module, just so can avoid receiving extruded fixing support towards microphone module direction slope, and then interfere with microphone module, influence microphone module's removal.
In a second aspect, the present application further provides an electronic device, including: the shell is provided with an avoidance hole for the microphone module to pass through; the display screen is arranged on the shell; in the first aspect or any implementation manner of the first aspect, the microphone pickup assembly is disposed at a position inside the housing, where the position is close to the top of the housing, and is close to a central region of the housing, the avoiding hole is disposed at the top of the housing, the driving structure is configured to drive the microphone module to move between a rising position and a falling position relative to the fixed support, the pickup hole is located outside the housing when the microphone module is at the rising position, and the pickup hole is hidden inside the housing when the microphone module is at the falling position.
According to the electronic equipment provided by the application, as the microphone pickup assembly adopts the microphone pickup assembly in any implementation mode of the first aspect, when the microphone is not required to collect sound in specific use, the microphone module is positioned in the shell, namely, the pickup hole is hidden in the shell, so that the pickup hole cannot be seen from the appearance of the electronic equipment; when the microphone is required to collect sound, the microphone module is driven to move through the driving structure, so that the sound pickup hole is located outside the shell, and the sound pickup function is further realized.
When this display screen is the great display screen of size, through set up the position department that is close to the shell top in the shell with microphone pickup subassembly, and be close to the central zone of shell, when the microphone module was in the rising position like this, a plurality of sound pickup holes also can be laid relatively the central line symmetry of display screen, no matter what side in the relative both sides that the user is located electronic equipment like this, the sound pickup distance (i.e. the distance that the user apart from sound pickup hole) is all equal.
In a possible implementation manner of the second aspect, when the microphone module is in the fall-back position, the top surface of the microphone module is flush with the top surface of the housing. This can improve the appearance of the electronic device.
Drawings
FIG. 1 is a schematic diagram of an external structure of a prior art electronic device;
fig. 2a is a schematic structural view illustrating a sound pickup hole of an electronic device according to an embodiment of the present application, the sound pickup hole being located outside a housing;
fig. 2b is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure, in which a sound pickup hole is located outside a housing;
fig. 2c is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure, in which a sound pickup hole is located outside a housing;
fig. 2d is a schematic structural diagram illustrating a sound pickup hole of an electronic device according to an embodiment of the present application being located inside a housing;
fig. 3a is a schematic partial structural view of an electronic device according to an embodiment of the present disclosure, in which a sound pickup hole is located inside a housing;
fig. 3b is a partial structural schematic view of an electronic device according to an embodiment of the present disclosure, in which a sound pickup hole is located outside a housing;
fig. 4a is a schematic structural view illustrating a microphone module of a microphone picking-up assembly according to an embodiment of the present disclosure when the microphone module is not moved;
fig. 4b is a schematic structural diagram of a microphone module of the microphone pickup assembly according to the present application after being moved;
FIG. 5 is a schematic view of the connection relationship between the guiding structure and the fixing support according to the embodiment of the present application;
FIG. 6 is an exploded view of FIG. 5;
fig. 7 is a partial schematic view of a connection relationship between a microphone module, a sliding sleeve, a guide shaft and a fixing support according to an embodiment of the present disclosure;
FIG. 8 is an enlarged view at M of FIG. 5;
FIG. 9 is an enlarged view taken at N of FIG. 5;
FIG. 10 is a schematic view of a portion of a guide shaft according to an embodiment of the present disclosure;
FIG. 11 is a schematic view of the connection relationship between the guide shaft and the first and second position-limiting pads according to the embodiment of the present disclosure;
FIG. 12 is a schematic structural view of a sliding sleeve according to an embodiment of the present disclosure;
fig. 13 is an exploded view of a microphone module according to an embodiment of the present disclosure;
fig. 14 is a cross-sectional view of the connection relationship between the dust-proof structure and the cover plate and the circuit board according to the embodiment of the present application;
fig. 15 is an exploded view of a dust-proof structure provided in an embodiment of the present application;
fig. 16a is a diagram illustrating a positional relationship between a pickup hole and a microphone according to an embodiment of the present application;
fig. 16b is a diagram illustrating a positional relationship between a sound pickup hole and a microphone according to an embodiment of the present application;
fig. 16c is a diagram illustrating a positional relationship between a pickup hole and a microphone according to an embodiment of the present application;
fig. 17 is an exploded view of a microphone pick-up assembly according to an embodiment of the present disclosure;
fig. 18 is an exploded view of a fixing bracket according to an embodiment of the present application.
Reference numerals:
01-an electronic device; 02-a housing; 03-sound pickup hole; 1-a microphone pickup assembly; 11-a fixed support; 111-a frame; 112-front cover plate; 113-back cover plate; 114-a sealing cover; 1141-perforating; 12-a microphone module; 121-a circuit board; 122-a microphone element; 123-sound guide hole; 124-cover plate; 125-sound pickup hole; 126-a lifting shell; 1261-an opening; 1262-recessed area; 127-a dust-proof structure; 1271-dust screen; 1272-first glue layer; 1273-second glue layer; 128-sub pickup holes; 13-a drive structure; 131-a push rod; 14-a guide shaft; 141-card slot; 15-a sliding sleeve; 151-insertion holes; 152-connector mounting holes; 16-ear seat; 17-a first stop pad; 18-a second stop pad; 19-a magnet; 2-a housing; 21-avoiding holes; 3-a display screen; 4-a guide structure.
Detailed Description
The embodiments of the present application relate to a microphone pickup assembly and an electronic device, and the following description will be made in detail with reference to the accompanying drawings.
An embodiment of the present application provides an electronic device, with reference to fig. 2a to 2d, fig. 3a, and fig. 3b, the electronic device including: the microphone comprises a shell 2, a display screen 3 and a microphone pickup assembly 1, wherein the display screen 3 is arranged on the shell 2, and the microphone pickup assembly 1 is also arranged on the shell 2. The microphone pickup assembly is used as a video and audio recording device.
The display screen of the electronic device may be a small display screen or a large display screen (for example, 50 inches or more).
To improve the appearance of an electronic device while reducing the influence on the sound pickup effect. An embodiment of the present application provides a microphone pickup assembly 1, and referring to fig. 4a and 4b, the microphone pickup assembly 1 includes: the microphone module 12 is provided with a sound pickup hole 125, the driving structure 13 is relatively fixed to the fixed support 11, the driving structure 13 is connected to the microphone module 12, the driving structure 13 is used for driving the microphone module 12 to move between a raised position and a fallen position relative to the fixed support 11 along a first direction (such as a P1 direction in fig. 4 b), the housing 2 is provided with a relief hole 201 (shown in fig. 3 a) for the microphone module 12 to pass through, when the microphone module 12 is in the raised position, the sound pickup hole 125 is located outside the housing of the electronic device (shown in fig. 2 a), and when the microphone module 12 is in the fallen position, the sound pickup hole 125 is hidden inside the housing of the electronic device (shown in fig. 2 b).
During specific implementation, if the microphone needs to be started in a video mode or the microphone needs to be started in an audio mode, the driving structure can drive the microphone module to move relative to the fixed support, so that the sound pickup hole is moved out of the shell from the inside of the shell to the outside of the shell, and sound collection is carried out through the sound pickup hole. If the microphone is not needed, the driving structure can drive the microphone module to move relative to the fixed support so as to move the pickup hole exposed outside the shell to the inside of the shell for hiding. That is, when the microphone module is not used, the sound collecting hole is hidden in the shell, so that the sound collecting hole is invisible from the appearance of the electronic equipment, and the appearance of the electronic equipment is more attractive. Compared with the sound pickup hole always exposed outside the shell in the prior art, the influence on the sound pickup effect is reduced, and the appearance attractiveness of the electronic equipment is improved.
The microphone pickup assembly 1 is arranged in the housing 2 at the following positions: referring to fig. 2a, the microphone picking-up assembly 1 is disposed in the housing 2 at a position close to the top of the housing 1 and close to the central area of the housing, and referring to fig. 3a, an avoiding hole 201 is opened at the top of the housing 1. That is to say, be in the top of shell when picking up the sound hole and compare and set up the sound hole in other positions, the pickup effect can be better.
When the microphone pickup assembly is applied to a housing of an electronic device with a large display screen, the layout of the pickup holes 125 has a great influence on the pickup effect. In order to reduce the influence on the sound collecting effect, referring to fig. 4a, the sound collecting holes 125 of the embodiment of the present application are provided in plurality, the plurality of sound collecting holes 125 are arranged at intervals along a direction perpendicular to the first direction, the plurality of sound collecting holes 125 are symmetrically arranged relative to a center line O1O2 of the microphone module, the plurality of microphone elements in the microphone module are also provided, and the plurality of microphone elements and the plurality of sound collecting holes are arranged in a one-to-one correspondence.
The technical effect produced by the design is as follows: referring to fig. 2a, since the plurality of sound pickup holes 125 are spaced apart in the P2 direction perpendicular to the P1 direction and symmetrically arranged about the center line of the microphone module, so that the user stands on either side of the electronic device, as shown in fig. 2a, the sound pickup distance (i.e., the distance from the user to the sound pickup holes) is equivalent regardless of whether the user is in the B1 position or the B2 position, so that the sound pickup effect is not much, and the sound pickup effect when the user is in the B1 position is better than that in the B2 position does not occur. In addition, the plurality of sound pickup holes 125 are arranged at intervals along the P2 direction perpendicular to the P1 direction, and all the sound pickup holes can be exposed or hidden simultaneously in the process of lifting the microphone module.
It should be noted that: the symmetrical arrangement of a plurality of sound pickup holes relative to the center line of the microphone module means that: when the number of the pickup holes is even, the even pickup holes are symmetrically distributed about the center line of the microphone module; when the number of the sound pickup holes is odd, one of the sound pickup holes is close to the center line of the microphone module, and the other sound pickup holes are symmetrically distributed relative to the center line of the microphone module.
The plurality of pickup holes have a plurality of arrangement modes, for example, referring to fig. 2a, the plurality of pickup holes 125 are arranged on a straight line parallel to the direction P2; for another example, referring to fig. 2b, the plurality of sound pickup holes 125 are arranged in a plurality of straight lines, and the sound pickup holes on every two adjacent straight lines are spaced; further, referring to fig. 2c, a plurality of sub sound pickup holes 128 are disposed on the periphery of each sound pickup hole 125, the aperture of the sub sound pickup holes 128 is smaller than the aperture of the sound pickup holes 125, and the plurality of sub sound pickup holes 128 on the periphery of each sound pickup hole are annularly disposed.
In order to further improve the appearance aesthetic measure of the electronic device, when the microphone module is in the falling position, the top surface of the microphone module is flush with the top surface of the shell.
In order to make the microphone module move stably along the first direction under the driving of the driving structure, referring to fig. 4a, the microphone pickup assembly further includes a guiding structure 4, two opposite side surfaces of the microphone module 12 are connected to the fixed support 11 through the guiding structure 4, and the guiding structure 4 is used for guiding the microphone module 12 to slide along the first direction relative to the fixed support 11. That is, the microphone module 12 can move smoothly along the first direction under the guidance of the guiding structure.
The structure that the guiding structure can realize has many cases, and is explained by two embodiments below.
Example one
Referring to fig. 5, 6 and 7, the guide structure 4 includes: the guide shaft 14 and the sliding sleeve 15, the guide shaft 14 is relatively fixed with the fixed support 11, the extending direction of the guide shaft 14 is parallel to the first direction, the sliding sleeve 15 is sleeved outside the guide shaft 14, the sliding sleeve 15 can slide along the extending direction of the guide shaft 14, and the microphone module 12 is relatively fixed with the sliding sleeve 15.
When the microphone module 12 is driven by the driving structure to move relative to the fixed support 11, since the extending direction of the guide shaft 14 is parallel to the first direction, the sliding sleeve 15 connected to the microphone module 12 slides along the extending direction of the guide shaft 14, so as to ensure that the microphone module 12 moves smoothly under the driving of the driving structure.
Example two
The guide structure includes: and one of the guide rail and the guide groove is arranged on the fixed support, and the other guide rail and the guide groove are arranged on the microphone module.
In some embodiments, referring to fig. 8 and 9, the fixed support 11 has ear seats 16 at positions close to both ends of the guide shaft 14, the ear seats 16 have insertion holes, the guide shaft 14 is fixed on the ear seats 16 through the insertion holes, and the sliding sleeve 15 is slidably disposed on a shaft section of the guide shaft 14 between the two ear seats 16.
The guide shaft and the sliding sleeve adopt the fixing structure, the sliding sleeve 15 is arranged on the shaft section of the guide shaft 14 between the two lug seats 16 in a sliding manner, and the two lug seats which are oppositely arranged also play a limiting role so as to prevent the sliding sleeve 15 from sliding out from the end part of the guide shaft 14. That is, the ear seat 16 not only plays the role of the mounting seat, but also plays the role of the limiting structure, and compared with the mounting seat and the limiting structure, the structure of the whole microphone pickup assembly is simplified.
The connection mode of the guide shaft 14 on the ear seat 16 has various conditions, for example, the guide shaft 14 is inserted into the ear seat 16 through a pin, that is, a pin hole is formed in the guide shaft 14, the depth direction of the pin hole is perpendicular to the axial direction of the guide shaft, a pin hole is also formed in the position of the corresponding pin hole of the ear seat, and the pin is inserted into the two pin holes so as to fixedly connect the guide shaft and the ear seat. As another example, referring to fig. 10 and 11, one end of the guide shaft 14 is sleeved with a first limiting pad 17 and a second limiting pad 18, the first limiting pad 17 and the second limiting pad 18 are located in the clamping groove 141 at the end of the guide shaft 14, the first limiting pad 17 and the second limiting pad 18 are located at two opposite sides of the ear seat 16, and the guide shaft inserted into the insertion holes of the two opposite ear seats prevents the guide shaft from moving relative to the ear seat through the first limiting pad and the second limiting pad, so as to connect the guide shaft with the ear seat. The first limit pad and the second limit pad can be metal elastic pads or clamp springs, and other structures can also be selected.
As shown in fig. 12, which is a schematic structural diagram of the sliding sleeve 15, the sliding sleeve 15 is provided with a jack 151 for passing through the guide shaft, the jack 151 and the guide shaft are in clearance fit, the sliding sleeve 15 is further provided with a connecting member mounting hole 152, and the sliding sleeve 15 and the microphone module are fixedly connected through a connecting member arranged in the connecting member mounting hole 152.
In order to make the microphone module remove smoothly at the removal in-process, reduce the probability that the jamming appears to improve user experience, refer to fig. 4a, this microphone pickup assembly still includes: the push rods 131 are symmetrically arranged relative to a center line O1O2 of the microphone module 12, the push rods 131 are connected with the microphone module 12, the driving structure 13 is connected with the push rods 131, and the driving structure 13 is used for driving the push rods 131 to synchronously move along a direction parallel to the first direction so as to drive the microphone module 12 to move along the first direction.
The matching of the push rods 131 symmetrically arranged with the guide structures arranged on the two opposite sides of the microphone module can produce the following technical effects: the push-pull force of the push rod received by the microphone module is uniform, the conditions that one end of the push-pull force is large and the other end of the push-pull force is small are avoided, and the microphone module with uniform stress slides along the relatively fixed support of the relatively arranged guide structure.
The driving structure for driving the plurality of push rods has various embodiments, and the following explanation is made by two embodiments.
Example one
The driving structure includes: the transmission mechanism is used for converting the rotary motion of the output shaft of the driving motor into the linear motion of the push rods moving along the first direction.
Example two
The driving structure comprises a plurality of telescopic cylinders, the moving direction of telescopic rods of the telescopic cylinders is parallel to the first direction, a telescopic rod of each telescopic cylinder is connected with a push rod, telescopic expansion is utilized to drive the push rod to move along the first direction, and then the microphone module is driven to move along the first direction relative to the fixed support.
Drive a plurality of push rods simultaneous movement through a driving motor, with adopt a plurality of telescopic links to drive a plurality of push rods and remove and compare, the cadence that a plurality of push rods removed can be more unanimous, the push-pull power of the push rod that the microphone module received like this can be more even, the phenomenon that the jamming appears is littleer.
The transmission mechanism has a number of realizable ways, which are explained below by means of two embodiments.
Example one
The transmission mechanism includes: the traction device comprises a transmission screw, a traction piece and a guide structure, wherein one end of the transmission screw is connected with an output shaft of a driving motor, the transmission screw is arranged in a direction parallel to a first direction, the traction piece is in threaded fit with the transmission screw, and the traction piece is connected with a plurality of push rods so as to drive the push rods to move synchronously; a guide structure for guiding the pulling member to move along the drive screw.
The working principle of the embodiment is as follows: the output shaft of the driving motor rotates to drive the transmission screw to rotate, and the traction piece and the transmission screw are in spiral transmission, so that under the action of the guide structure, the traction piece makes linear motion along the transmission screw to drive the push rods to make linear motion, and finally the microphone module is pushed to make linear motion relative to the fixed support.
When the traction device is specifically implemented, the guide block can be arranged beside the transmission screw rod, the guide block is provided with the guide groove, the extending direction of the guide groove is consistent with the extending direction of the transmission screw rod, and the traction piece partially penetrates through the guide groove, so that when the transmission screw rod rotates, the traction piece can do linear motion along the transmission screw rod under the action of the guide groove.
Example two
The transmission mechanism includes: the driving wheel is installed on an output shaft of the driving motor, meshing teeth arranged along the first direction are arranged on the moving rod, the meshing teeth on the moving rod are meshed with the driving wheel, the push rods are connected through the connecting rod, and the connecting rod is connected with the moving rod.
The working principle of the embodiment is as follows: the output shaft of the driving motor rotates to drive the driving wheel to rotate, the driving wheel drives the moving rod to move linearly along the first direction through meshing transmission, and then the connecting rod drives the push rods to move synchronously along the first direction, and finally the microphone module is pushed to move linearly relative to the fixed support.
The application lists two embodiments of the transmission mechanism, and other structural embodiments are also within the protection scope of the application.
In some embodiments, referring to fig. 13, the microphone module 12 includes: the microphone comprises a lifting shell 126, a circuit board 121, a cover plate 124, a microphone element 122 and a dustproof structure 127, wherein the lifting shell 126 is connected with a driving structure, the driving structure can drive the lifting shell 126 to move relative to a fixed support, the circuit board 121 is arranged in the lifting shell 126, the cover plate 124 and the circuit board 121 are arranged oppositely, an opening 1261 is formed in the lifting shell 126, the cover plate 124 is arranged at the opening 1261, the microphone element 122 is arranged on the side face, away from the cover plate 124, of the circuit board 121, a sound guide hole 123 (shown in fig. 14) is formed in the position, opposite to the microphone element 122, of the circuit board 121, the sound pickup hole 125 is formed in the cover plate 124 (shown in fig. 14), sound can be transmitted to the sound guide hole 123 from the sound pickup hole 125, the dustproof structure 127 is arranged between the cover plate 124 and the opening of the sound guide hole 123, and the dustproof structure 127 covers the opening of the sound guide hole 123.
The circuit board 12 provided with the microphone element 122 is arranged in the space inside the lifting shell 126, so that the electronic components on the circuit board 122 are protected.
The specific sound collection process of the microphone module 12 with the structure is as follows: the sound passes through the sound pickup hole 125 of the cover plate 124, is filtered by the dustproof structure 127, and then passes through the sound guide hole 123 to be transmitted to the microphone element 122.
The material of the cover plate 124 may be glass or metal, and the material of the cover plate is not limited herein.
In some embodiments, referring to fig. 15, the dust-proof structure 127 includes: at least two layers of dust screens 1271 are arranged in a stacked mode, every two adjacent layers of dust screens 1271 are bonded, the dust screen close to the cover plate is bonded with the cover plate, and the dust screen close to the circuit board is bonded with the circuit board. In other embodiments, the dust-proof structure 127 comprises a single layer of dust-proof screen, and opposite sides of the dust-proof screen are respectively bonded to the corresponding cover plate and the circuit board.
The present application is preferable to adopt the dust-proof structure shown in fig. 15 because the dust-proof structure has a plurality of layers of dust-proof nets, and the use of the plurality of layers of dust-proof nets further improves the dust-proof effect compared with the single-layer dust-proof net. Under the influence of reduction to the pickup effect, can realize effectively preventing dust, the dust screen is preferred in two-layer.
The two adjacent dustproof nets are connected by adopting a first glue layer 1272 (for example, a foam glue layer), and the dustproof net close to the cover plate and the dustproof net close to the circuit board are connected by a second glue layer 1273 (for example, a double-sided glue layer of a PET substrate). Of course, the first adhesive layer may also be an adhesive layer of other materials, and similarly, the second adhesive layer may also be an adhesive layer of other materials.
When the microphone module is located at the lifted position, namely, on the premise of realizing the exposure of the sound pickup hole, in order to shorten the height dimension (such as H1 in fig. 16a and H2 in fig. 16 b) of the microphone module extending to the outside of the housing, the appearance of the electronic device is improved. As shown in fig. 16a, the plane (A1 plane) where the end of the microphone 122 remote from the stationary support 11 is located passes through the sound pickup hole 125, or, as shown in fig. 16b, the plane where the end of the microphone 122 remote from the stationary support 11 is located is flush with the plane of the sound pickup hole 125 remote from the stationary support 11.
The structure shown in fig. 16c is such that the plane on which the end of the microphone 122 remote from the stationary support 11 is located is outside the sound pickup hole and on the side remote from the stationary support. A broken line L in fig. 16a to 16c is a surface of the housing of the electronic apparatus, H1 in the structure shown in fig. 16a is a height dimension of the microphone module located outside the housing of the electronic apparatus, H2 in the structure shown in fig. 16b is a height dimension of the microphone module located outside the housing of the electronic apparatus, and H3 in the structure shown in fig. 16c is a height dimension of the microphone module located outside the housing of the electronic apparatus.
As shown in fig. 16a and 16b, H1 and H2 are equal to the aperture D of the sound pickup hole 124 plus the distance X between the side wall of the sound pickup hole 124 and the top surface of the cover plate 124, and as shown in fig. 16c, H3 is equal to the aperture D of the sound pickup hole 125 plus the distance X between the side wall of the sound pickup hole 125 and the top surface of the cover plate 124 plus the distance Y between the top surface of the cover plate 124 and the top surface of the circuit board 121, as is apparent from H1, H2, and H3, H3 is greater than H1 and H2, so that when the plane (A1 plane) on which the end of the microphone 122 away from the fixed support 11 is located passes through the sound pickup hole 125 or the plane on which the end of the microphone 122 away from the fixed support 11 is located is flush with the surface of the sound pickup hole away from the fixed support, the distance over which the microphone module moves is short, and thus the height dimensions of the circuit board and the cover plate exposed to the outside of the housing of the electronic device are reduced, thereby improving the appearance.
In order to detect the distance that the microphone module removed, this microphone pickup assembly still includes: a position detection structure. The position detection structure includes: the microphone module comprises a magnetic induction sensor and a magnet, wherein the magnetic induction sensor is arranged on the circuit board, the magnet 19 is fixed on the fixed support 11 (as shown in fig. 5 and 6), and the magnetic induction sensor can sense the change of the magnetic field of the magnet and output a changed electric signal in the moving process of the microphone module. In specific implementation, when the electric signal output by the magnetic induction sensor reaches a preset electric signal value, a preset position is reached.
In order to make the microphone pickup assembly compact and small in occupied space, referring to fig. 17, the driving structure 13 is disposed near the middle position of the bottom of the fixing support 11, a recessed area 1262 is formed at a position of the lifting shell 126 near the driving structure 13, the driving structure 13 drives the microphone module 12 to move between a lifting position and a falling position, when the microphone module 12 is at the falling position, the driving structure 13 is located in the recessed area 1262, and when the microphone module 12 is at the lifting position, the driving structure 13 is separated from the recessed area 1261.
That is, by forming the recessed area 1262 for the driving structure 13 on the lifting shell 126, the size of the whole microphone pickup assembly is reduced, and correspondingly, the space occupied in the housing of the electronic device is also reduced.
In the structure shown in fig. 17, two push rods may be provided, and two sides of the driving structure are provided with one push rod respectively, so that the microphone module is pushed and pulled by the two push rods, and the push-pull force applied to the microphone module is relatively uniform, thereby achieving smooth movement of the microphone module.
In some embodiments, the fixing support has a cavity formed therein, the driving structure and the microphone module are both disposed in the cavity, and the fixing support further has a through hole communicated with the cavity, and the through hole can penetrate through the through hole to extend out of the cavity when the microphone module moves relative to the fixing support. Through setting drive structure and microphone module in the cavity to play the guard action to electronic components, in addition, when the microphone module was in the position that falls back, the microphone module was located the cavity, had both played the guard action to the microphone module, still can make whole compact structure, and set up the perforation on fixing support, in order to realize that the microphone module removes between rising position and the position that falls back.
When fixing this fixing support in the shell of the electronic equipment who has the display screen of great size, because other components and parts in the shell are also more, the structure is compacter, just so lead to other structures to contact with fixing support easily, even cause the extrusion to fixing support, and then fixing support slope towards the direction of microphone module probably appears, in order to take place the interference phenomenon with the microphone module, influence the removal of microphone module, in order to avoid appearing this kind of phenomenon, fixing support's the relative side of microphone module adopts the rigid material to make, prevent through rigid structure that fixing support from wasing towards the microphone module promptly, in order to prevent its removal.
The structure of the fixing mount has various cases, and for example, referring to fig. 18, the fixing mount 11 includes: frame 111 (including bottom plate and two relative curb plates), front shroud 112, back of the body apron 113 and sealed lid 114, bottom plate and two relative curb plates can integrated into one piece be framework 11, also can assemble through the connecting piece, front shroud 112 and back of the body apron 113 set up the both sides at the frame relatively, and can dismantle through connecting piece and the bottom plate of frame and curb plate and be connected, sealed lid 114 sets up the top at frame 111, and can dismantle with two curb plates of frame and be connected, the bottom plate, two curb plates, front shroud and back of the body apron and sealed lid enclose into there is the cavity. In specific implementation, the driving structure and the microphone module are installed after the frame 111, and then the front cover plate 112, the back cover plate 113 and the sealing cover 114 are installed, so that maintenance and overhaul are facilitated during maintenance. The through hole 114 is formed on the sealing cover 114 so that the microphone module can be moved out of the cavity through the through hole when moving.
In the fixing support shown in fig. 18, the front cover plate and the back cover plate are made of steel plates with high mechanical strength, and the strength of the front cover plate and the strength of the back cover plate are increased by using the steel plates with high mechanical strength, so that the front cover plate and the back cover plate are prevented from being extruded by other structures and interfering with the microphone module.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. An electronic device, comprising:
a housing;
the display screen is arranged on the shell and is larger than or equal to 50 inches;
a microphone pickup assembly, the microphone pickup assembly comprising:
the fixed support is arranged in the shell;
a microphone module having a sound pickup hole, the microphone module comprising at least a microphone element;
the driving structure is used for driving the microphone module to move along a first direction relative to the fixed support so as to drive the microphone module to move between a rising position and a falling-back position relative to the fixed support, when the microphone module is in the rising position, the sound pickup hole is positioned outside the shell, and when the microphone module is in the falling-back position, the sound pickup hole is hidden inside the shell;
guide structure, the relative both sides face of microphone module all passes through guide structure with fixing support connects, guide structure is used for the guide the microphone module is relative fixing support follows the first direction slides, guide structure includes: the microphone module comprises a guide shaft and a sliding sleeve, wherein the guide shaft and the fixed support are relatively fixed, the extending direction of the guide shaft is parallel to the first direction, the sliding sleeve is sleeved outside the guide shaft and can slide along the extending direction of the guide shaft, and the microphone module is relatively fixed with the sliding sleeve;
the microphone module comprises a microphone element and a plurality of sound pickup holes, wherein the microphone element is provided with the plurality of sound pickup holes, the plurality of sound pickup holes are arranged at intervals along the direction vertical to the first direction, the plurality of sound pickup holes are symmetrically arranged relative to the center line of the microphone module, the center line is parallel to the first direction, and the plurality of sound pickup holes and the plurality of microphone elements are arranged in a one-to-one mode.
2. The electronic device of claim 1, wherein the microphone module further comprises:
the lifting shell is connected with the driving structure, and the driving structure can drive the lifting shell to move relative to the fixed support;
the circuit board is arranged in the lifting shell;
the cover plate is arranged opposite to the circuit board, an opening is formed in the lifting shell, and the cover plate is arranged at the opening;
the microphone element is arranged on the side face, away from the cover plate, of the circuit board, a sound guide hole is formed in the position, opposite to the microphone element, of the circuit board, the sound pickup hole is formed in the cover plate, and sound can be transmitted to the sound guide hole from the sound pickup hole;
the dustproof structure is arranged between the cover plate and the circuit board and covers the opening of the sound pickup hole and the opening of the sound guide hole.
3. The electronic device of claim 2, wherein the dust-proof structure comprises:
at least two layers of dust screens are arranged in a stacked mode, every two adjacent layers of dust screens are bonded, the dust screens close to the cover plate are bonded with the cover plate, and the dust screens close to the circuit board are bonded with the circuit board.
4. The electronic device of claim 2, wherein the plane of the end of the microphone element distal from the fixed support passes through the sound pickup hole, or wherein the plane of the end of the microphone element distal from the fixed support is flush with the face of the sound pickup hole distal from the fixed support.
5. The electronic device of claim 3, wherein the plane of the end of the microphone element distal from the fixed support passes through the sound pickup hole, or wherein the plane of the end of the microphone element distal from the fixed support is flush with the face of the sound pickup hole distal from the fixed support.
6. The electronic device of any of claims 1-5, wherein the drive structure comprises:
the push rods are relatively fixed with the microphone module and symmetrically distributed relative to the center line of the microphone module;
the push rods are connected with the same driving motor through the transmission mechanism, and the transmission mechanism can convert the rotary motion of an output shaft of the driving motor into the linear motion of the push rods along the first direction.
7. The electronic device of claim 6, wherein the transmission mechanism comprises:
one end of the transmission screw rod is connected with an output shaft of the driving motor, and the transmission screw rod is arranged in a direction parallel to the first direction;
the traction piece is in threaded fit with the transmission screw rod and is connected with the push rods so as to drive the push rods to move synchronously;
a guide structure for guiding the pulling member to move along the drive screw.
8. The electronic device according to any one of claims 1 to 5, wherein a cavity is formed in the fixed support, the driving structure and the microphone module are both disposed in the cavity, and the fixed support further has a through hole communicating with the cavity, and the through hole can extend out of the cavity when the microphone module moves relative to the fixed support.
9. The electronic device of claim 6, wherein a cavity is formed in the fixed support, the driving structure and the microphone module are both disposed in the cavity, and the fixed support further has a through hole communicating with the cavity, and the through hole can extend out of the cavity when the microphone module moves relative to the fixed support.
10. The electronic device according to any one of claims 1 to 5,
the microphone pickup assembly is disposed within the housing proximate a top of the housing and proximate a central region of the housing;
the shell is provided with a avoiding hole, and the avoiding hole is formed in the top of the shell.
11. The electronic device of claim 10, wherein a top surface of the microphone module is flush with a top surface of the housing when the microphone module is in the dropped position.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310326482.9A CN116389958A (en) | 2020-04-03 | 2020-04-03 | Microphone pickup assembly and electronic equipment |
| CN202010261505.9A CN113497987B (en) | 2020-04-03 | 2020-04-03 | Microphone pickup assembly and electronic equipment |
| PCT/CN2021/079100 WO2021196971A1 (en) | 2020-04-03 | 2021-03-04 | Microphone pickup assembly, and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010261505.9A CN113497987B (en) | 2020-04-03 | 2020-04-03 | Microphone pickup assembly and electronic equipment |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310326482.9A Division CN116389958A (en) | 2020-04-03 | 2020-04-03 | Microphone pickup assembly and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
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| CN113497987A CN113497987A (en) | 2021-10-12 |
| CN113497987B true CN113497987B (en) | 2023-03-24 |
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| CN202010261505.9A Active CN113497987B (en) | 2020-04-03 | 2020-04-03 | Microphone pickup assembly and electronic equipment |
| CN202310326482.9A Pending CN116389958A (en) | 2020-04-03 | 2020-04-03 | Microphone pickup assembly and electronic equipment |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310326482.9A Pending CN116389958A (en) | 2020-04-03 | 2020-04-03 | Microphone pickup assembly and electronic equipment |
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| WO (1) | WO2021196971A1 (en) |
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| CN114603602A (en) * | 2022-01-07 | 2022-06-10 | 美的集团(上海)有限公司 | Robot and interactive module thereof |
| CN115665635B (en) * | 2022-11-10 | 2023-09-05 | 广范企业发展（连云港）有限公司 | MEMS microphone and production method thereof |
| CN117376756A (en) * | 2023-11-13 | 2024-01-09 | 深圳市汉得利电子科技有限公司 | Intelligent wireless microphone and assembly thereof |
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| KR100542180B1 (en) * | 2003-06-12 | 2006-01-11 | 주식회사 비에스이 | Stereo microphone structure of mobile phone |
| US20070135186A1 (en) * | 2005-12-12 | 2007-06-14 | Lee Tung Y | Wireless earphone with retractable microphone |
| CN207475785U (en) * | 2017-10-16 | 2018-06-08 | 广州欣力高电子设备有限公司 | A kind of lifter of display screen with microphone |
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2020
- 2020-04-03 CN CN202010261505.9A patent/CN113497987B/en active Active
- 2020-04-03 CN CN202310326482.9A patent/CN116389958A/en active Pending
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2021
- 2021-03-04 WO PCT/CN2021/079100 patent/WO2021196971A1/en active Application Filing
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| WO2017129706A1 (en) * | 2016-01-29 | 2017-08-03 | Albiral Display Solutions, S. L. | Retractable microphone assembly |
| CN208768120U (en) * | 2018-09-20 | 2019-04-19 | 山东共达电声股份有限公司 | A kind of lift acoustic mode group and mobile terminal |
| CN109168097A (en) * | 2018-11-22 | 2019-01-08 | 江门市捷思通电子科技有限公司 | A kind of microphone |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116389958A (en) | 2023-07-04 |
| CN113497987A (en) | 2021-10-12 |
| WO2021196971A1 (en) | 2021-10-07 |
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