CN111246352A - Automatic adjust audio amplifier of volume - Google Patents
Automatic adjust audio amplifier of volume Download PDFInfo
- Publication number
- CN111246352A CN111246352A CN202010149023.4A CN202010149023A CN111246352A CN 111246352 A CN111246352 A CN 111246352A CN 202010149023 A CN202010149023 A CN 202010149023A CN 111246352 A CN111246352 A CN 111246352A
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- sound
- cavity
- voice coil
- guide rail
- box
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- 239000002184 metal Substances 0.000 claims abstract description 27
- 239000000523 sample Substances 0.000 claims abstract description 27
- 230000008859 change Effects 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 15
- 230000001965 increasing effect Effects 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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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
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
-
- 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
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a sound box capable of automatically adjusting volume, which comprises a sound box body, wherein a first cavity is arranged in the sound box body, main boxes capable of transmitting sound are symmetrically arranged at the left and right positions of the lower side of the first cavity in the sound box body, each main box comprises a fixed rod fixedly connected with the inner wall of each main box, the number of played sound boxes is increased through transmission of a guide rail shaft and the guide rail rods and pushing of an air cylinder, the purposes of enhancing sound transmission and increasing volume are achieved, meanwhile, directional sound transmission of the sound boxes is realized through a rotating shaft rotatably arranged between a disc base and the sound box body, and a permanent magnet is attracted to make a metal probe contact after an electromagnet is electrified so as to achieve the purpose of communicating a voice coil circuit and playing the sound.
Description
Technical Field
The invention relates to the technical field of loudspeakers, in particular to a sound box capable of automatically adjusting volume.
Background
Ordinary audio amplifier is generally fixed, can't accomplish automatic directional broadcast according to people's needs, thereby make the sound of broadcast lower than usual, the transmission efficiency of sound has been reduced, the audio amplifier needs a plurality of speakers combined action if will increase the volume, but a plurality of speakers dress can cause the condition that the sound of propagating was offset and increase the consumption of audio amplifier cost in an audio amplifier, the audio amplifier mainly passes through the audio current and produces the magnetic field of change magnetic field and permanent magnet when passing through the voice coil loudspeaker voice coil and takes place interact, make the voice coil loudspeaker voice coil vibrate along the axial, thereby make sound, consequently the break-make of direct control voice coil loudspeaker voice coil circuit can the broadcast of effective control sound and the consumption of saving cost.
Disclosure of Invention
The invention aims to provide a sound box capable of automatically adjusting volume, which is used for overcoming the defects in the prior art.
The sound box capable of automatically adjusting the volume comprises a sound box body, wherein a first cavity is formed in the sound box body, main boxes capable of transmitting sound are symmetrically arranged on the left side and the right side of the lower side of the first cavity in the sound box body, each main box comprises a fixed rod fixedly connected with the inner wall of each main box, a fixed block fixedly arranged in the corresponding fixed rod, a magnet fixedly arranged on the left side of the corresponding fixed block, and a voice coil fixedly arranged on the left side of the corresponding magnet and capable of generating sound through interaction of the change of audio current and a magnetic field generated by the corresponding magnet, a circuit control device capable of controlling the circuit of a loudspeaker is arranged in each fixed rod, and the circuit control device comprises a first guide chute arranged in the corresponding fixed rod, a permanent magnet slidably arranged in the first guide chute, a telescopic rod connected with the right side of the permanent, The right side of the first cavity is provided with a second guide chute, a rack is arranged in the second guide chute in a sliding manner, the right side of the main box is provided with a piston cavity, the piston cavity is internally provided with a sliding block fixedly connected with the main box on the right side in a sliding manner, the left side of the main box is positioned in the sound box body and is symmetrically provided with a broadcasting pipe capable of transmitting the sound emitted by the sound box out of the body and a return pipe positioned on the lower side of the broadcasting pipe, the front side and the back side of the sound box body are symmetrically provided with a second cavity and a guide rail shaft rotatably arranged in the second cavity, the front side and the back side of the main box are symmetrically provided with guide rail shafts which are abutted against the guide rail shafts and can drive the main box to slide up and down through the rotation of the guide rail shafts, the sound box body is provided with a disc base capable of fixing the sound box body and controlling the sound direction of the, the loudspeaker box body and the disc base are rotatably provided with a first rotating shaft, and the lower side of the first rotating shaft is located in the disc base and is dynamically connected with a first motor.
On the basis of the technical scheme, the left side of the main box is provided with an echo hole communicated with the echo tube, the left side of the voice coil is fixedly provided with a sound frame, and a spring is connected between the sound frame and the voice coil.
On the basis of the technical scheme, the voice coil loudspeaker voice coil downside is connected with first wire, first wire downside is equipped with first metal probe, be equipped with in the dead lever and pass through the wire with external signal and convey in the voice coil loudspeaker voice coil and make the terminal that the voice coil loudspeaker voice coil obtained the electric current, the terminal upside is connected with the second wire, second wire upside is equipped with second metal probe, the electro-magnet with be connected with reset spring between the permanent magnet, the permanent magnet left side is connected with the third wire, third wire front side be equipped with can with second metal probe with thereby the third metal probe of first metal probe butt switch-on circuit.
On the basis of the technical scheme, a third cavity is arranged on the lower side of the first cavity, the front and rear positions of the third cavity are symmetrically arranged and fixedly mounted on the guide rail shaft, rollers are arranged on the left side and the right side of the guide rail shaft in a rotating mode and are arranged in the conveying belt, and the lower side of the guide rail shaft is located in the loudspeaker box body and is dynamically connected with a second motor.
On the basis of the technical scheme, a fourth cavity is arranged on the right side of the second guide chute, a second rotating shaft is installed in the fourth cavity in a rotating mode, a gear meshed with the right side of the rack is fixedly installed on the second rotating shaft, the rear side of the second rotating shaft is located on the rear side of the third motor, and the rack is located on the left side and the right side between the main boxes.
On the basis of the technical scheme, the right side of the sliding block is connected with a piston rod, and the right side of the piston rod is connected with a piston which is slidably installed in the piston cavity.
The invention has the beneficial effects that: the invention increases the number of the played sound boxes by the transmission of the guide rail shaft and the guide rail rod and the pushing of the cylinder so as to achieve the purposes of enhancing the sound transmission and increasing the volume, realizes the directional sound transmission of the sound boxes by the rotating shaft which is rotatably arranged between the disc base and the sound box body, and attracts the permanent magnet to contact the metal probe after the electromagnet is electrified so as to achieve the purposes of communicating the voice coil circuit and playing the sound.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of an automatic volume adjusting sound box according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is an enlarged schematic view of "C" in FIG. 1;
fig. 4 is an enlarged structural view of "D" in fig. 3.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 4, the sound box capable of automatically adjusting volume according to an embodiment of the present invention includes a sound box body 11, a first cavity 12 is disposed in the sound box body 11, a main box 17 capable of transmitting sound is disposed in the sound box body 11 at left and right positions below the first cavity 12, the main box 17 includes a fixing rod 52 fixedly connected to an inner wall of the main box 17, a fixing block 51 fixedly disposed in the fixing rod 52, a magnet 48 fixedly disposed at left side of the fixing block 51, and a voice coil 47 fixedly disposed at left side of the magnet 48 and capable of generating sound by interacting with a magnetic field generated by the magnet 48 according to a change of audio current, a circuit control device 901 capable of controlling a speaker circuit to be connected is disposed in the fixing rod 52, the circuit control device 901 includes a first sliding guide slot 62, a second sliding guide slot 62, and a third sliding slot 62 disposed, Slidable mounting is in permanent magnet 60 in the first guide chute 62, with telescopic link 61 that the permanent magnet 60 right side is connected, with the electro-magnet 63 that telescopic link 61 right side is connected, first cavity 12 right side is equipped with second guide chute 18, slidable mounting has rack 19 in the second guide chute 18, main tank 17 right side is equipped with piston chamber 25, slidable mounting has and the right side in piston chamber 25 main tank 17 fixed connection's sliding block 24, main tank 17 left side is located the sound box organism 11 is interior from top to bottom position symmetry be equipped with can with the outer broadcast pipe 13 of sound propagation play organism, be located broadcast pipe 13 downside echo pipe 14, the interior front and back position symmetry of sound box organism 11 be equipped with second cavity 35, rotate and install guide rail axle 36 in the second cavity 35, main tank 17 front and back position symmetry be equipped with guide rail axle 36 butt and can pass through the rotation of guide rail axle 36 drives main tank 17 is gliding from top to bottom Guide rail shaft 41, audio amplifier organism 11 is equipped with and can fixes audio amplifier organism 11 and through rotating the disc base 28 of audio amplifier organism 11 control audio amplifier sound direction, audio amplifier organism 11 with rotate between the disc base 28 and install first rotation axis 29, first rotation axis 29 downside is located power is connected with first motor 30 in the disc base 28.
In addition, in one embodiment, the left side of the main box 17 is provided with a echo hole 15 communicated with the echo tube 14, the left side of the voice coil 47 is fixedly provided with a voice frame 43, and a spring 46 is connected between the voice frame 43 and the voice coil 47.
In one embodiment, a first lead 53 is connected to the lower side of the voice coil 47, a first metal probe 54 is disposed on the lower side of the first lead 53, a terminal 58 capable of transmitting an external signal into the voice coil 47 through the lead and obtaining a current from the voice coil 47 is disposed in the fixing rod 52, a second lead 57 is connected to the upper side of the terminal 58, a second metal probe 56 is disposed on the upper side of the second lead 57, a return spring 64 is connected between the electromagnet 63 and the permanent magnet 60, a third lead 59 is connected to the left side of the permanent magnet 60, a third metal probe 55 capable of contacting the second metal probe 56 and the first metal probe 54 to complete a circuit is disposed on the front side of the third lead 59, and when the voice coil circuit is completed, the electromagnet 63 is energized to attract the permanent magnet 60 to slide to the right side, and the third lead 59 is driven to slide to the right side until the third metal probe 55 and the first metal probe 54 are connected to the, The second metal probe 56 is in contact with the voice coil circuit to be connected.
In addition, in an embodiment, first cavity 12 downside is equipped with third cavity 31, the symmetry of position is equipped with fixed mounting around third cavity 31 gyro wheel 34 on the guide rail axle 36, the left and right sides gyro wheel 34 rotates and installs in conveyer belt 32, guide rail axle 36 downside is located power connection has second motor 33 in the audio amplifier organism 11, if will move left main tank 17 to the top, then second motor 33 starts guide rail axle 36 that drives the right side and rotates to drive gyro wheel 34 and rotate, drive left guide rail axle 36 through the belt drive and rotate, thereby drive guide rail axle 41 and upwards slide, drive main tank 17 and upwards move then, realized the purpose of transportation audio amplifier.
In addition, in an embodiment, a fourth cavity 20 is disposed at the right side of the second sliding guide slot 18, a second rotating shaft 22 is rotatably mounted in the fourth cavity 20, a gear 21 engaged with the right side of the rack 19 is fixedly mounted on the second rotating shaft 22, a third motor 23 is power-connected to the rear side of the second rotating shaft 22 in the sound box body 11, and the rack 19 is located between the left and right main boxes 17.
In addition, in an embodiment, the right side of the sliding block 24 is connected with a piston rod 26, the right side of the piston rod 26 is connected with a piston 27 slidably mounted in the piston cavity 25, if the main box 17 on the right side is to be sent to abut against the inner wall on the left side of the sound box body 11, the third motor 23 is started to drive the second rotating shaft 22 to rotate, so as to drive the gear 21 to rotate, the rack 19 is driven to slide upwards through the meshing between the gear and the rack, and simultaneously, the air in the piston cavity 25 is compressed to drive the piston 27 to push the sliding block 24 to slide leftwards, so as to push the main box 17 on the right side to slide leftwards to abut against the inner wall on the left side of the sound box.
In an initial state, the rack 19 is located at the lower end of the second guide chute 18, the left main box 17 is located at the lower end of the first cavity 12, the piston 27 is located at the right end of the piston cavity 25, the third metal probe 55 is not in contact with the first metal probe 54 and the second metal probe 56, and the permanent magnet 60 is located at the left end of the first guide chute 62.
When the sound transmission direction needs to be changed, the first motor 30 is started to drive the first rotating shaft 29 to rotate, so that the sound box body 11 is driven to rotate, and the purpose of directional sound box transmission is achieved.
When sound needs to be played, the electromagnet 63 is electrified to attract the permanent magnet 60 to slide leftwards, so that the third metal probe 55 is driven to be in contact with the first metal probe 54 and the second metal probe 56, a circuit is connected, and the purpose of playing sound is achieved
When the transmission of sound and increase volume need be strengthened, third motor 23 starts to drive rack 19 upwards to slide, second motor 33 starts to drive the guide rail axle 36 rotation of left and right sides simultaneously, thereby drive main tank 17 upwards slide to with audio amplifier organism 11 roof butt, and compress air propelling sliding block 24 in piston chamber 25 and slide left, thereby main tank 17 and the left wall butt of audio amplifier organism 11 on promotion right side, thereby increased the sound transmission source, realize the transmission of strengthening sound and the purpose of increase volume.
The invention has the beneficial effects that: the invention increases the number of the played sound boxes by the transmission of the guide rail shaft and the guide rail rod and the pushing of the cylinder so as to achieve the purposes of enhancing the sound transmission and increasing the volume, realizes the directional sound transmission of the sound boxes by the rotating shaft which is rotatably arranged between the disc base and the sound box body, and attracts the permanent magnet to contact the metal probe after the electromagnet is electrified so as to achieve the purposes of communicating the voice coil circuit and playing the sound.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides an automatic audio amplifier of regulation volume, includes the audio amplifier organism, its characterized in that: the loudspeaker box comprises a loudspeaker box body, wherein a first cavity is arranged in the loudspeaker box body, a main box capable of transmitting sound is symmetrically arranged at the left side and the right side of the lower side of the first cavity in the loudspeaker box body, the main box comprises a fixed rod fixedly connected with the inner wall of the main box, a fixed block fixedly arranged in the fixed rod, a magnet fixedly arranged at the left side of the fixed block, and a voice coil fixedly arranged at the left side of the magnet and capable of generating sound through interaction between the change of audio current and the magnetic field generated by the magnet, a circuit control device capable of controlling the circuit of a loudspeaker is arranged in the fixed rod, the circuit control device comprises a first guide chute arranged in the fixed rod, a permanent magnet slidably arranged in the first guide chute, a telescopic rod connected with the right side of the permanent magnet, and an electromagnet connected with the right side of the telescopic rod, the loudspeaker box comprises a main box and a second guide chute, wherein a rack is arranged in the second guide chute in a sliding manner, a piston cavity is arranged on the right side of the main box, a sliding block fixedly connected with the main box is arranged in the piston cavity in a sliding manner, the left side of the main box is positioned in the loudspeaker box body, the upper part and the lower part of the main box are symmetrically provided with a sound broadcasting pipe capable of broadcasting sound emitted by a loudspeaker box outside the machine body and a sound returning pipe positioned on the lower side of the sound broadcasting pipe, the front part and the rear part of the loudspeaker box body are symmetrically provided with a second cavity and a guide rail shaft rotatably arranged in the second cavity, the front part and the rear part of the main box are symmetrically provided with guide rail shafts which are abutted against the guide rail shafts and can drive the main box to slide up and down through the rotation of the guide rail shafts, the loudspeaker box body is provided with a disc base capable of, the lower side of the first rotating shaft is positioned in the disc base and is dynamically connected with a first motor.
2. The sound box of claim 1, wherein the sound volume is automatically adjusted by: the left side of the main box is provided with an echo hole communicated with the echo tube, the left side of the voice coil is fixedly provided with a sound frame, and a spring is connected between the sound frame and the voice coil.
3. The sound box of claim 1, wherein the sound volume is automatically adjusted by: the utility model discloses a voice coil loudspeaker voice coil, including the dead lever, the voice coil loudspeaker voice coil downside is connected with first wire, first wire downside is equipped with first metal probe, be equipped with in the dead lever and pass through the wire and convey external signal in the voice coil loudspeaker voice coil and make the voice coil loudspeaker voice coil obtains the terminal of electric current, the terminal upside is connected with the second wire, second wire upside is equipped with second metal probe, the electro-magnet with be connected with reset spring between the permanent magnet, the permanent magnet left side is connected with the third wire, third wire front side be equipped with can with second metal probe with thereby the third metal probe of first metal probe butt switch-on circuit.
4. The sound box of claim 1, wherein the sound volume is automatically adjusted by: the utility model discloses a loudspeaker box, including guide rail shaft, first cavity downside, fixed mounting, guide rail shaft, conveyer belt, guide rail shaft downside is located the internal power of audio amplifier is connected with the second motor, first cavity downside is equipped with the third cavity, the symmetry of position is equipped with fixed mounting around the third cavity the epaxial gyro wheel of guide rail, the left and right sides the gyro wheel rotates and installs in the conveyer belt, guide rail shaft downside is located the internal power.
5. The sound box of claim 1, wherein the sound volume is automatically adjusted by: the second guide chute right side is equipped with the fourth cavity, the second axis of rotation is installed to the fourth cavity internal rotation, in the second axis of rotation fixed mounting with the gear of rack right side meshing, second axis of rotation rear side position in power is connected with the third motor in the audio amplifier organism, the rack is located the left and right sides between the main tank.
6. The sound box of claim 5, wherein the sound volume is automatically adjusted by: the right side of the sliding block is connected with a piston rod, and the right side of the piston rod is connected with a piston which is slidably installed in the piston cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010149023.4A CN111246352B (en) | 2020-03-05 | 2020-03-05 | Automatic adjust audio amplifier of volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010149023.4A CN111246352B (en) | 2020-03-05 | 2020-03-05 | Automatic adjust audio amplifier of volume |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111246352A true CN111246352A (en) | 2020-06-05 |
| CN111246352B CN111246352B (en) | 2020-11-20 |
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ID=70867950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010149023.4A Expired - Fee Related CN111246352B (en) | 2020-03-05 | 2020-03-05 | Automatic adjust audio amplifier of volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111246352B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112601157A (en) * | 2021-01-07 | 2021-04-02 | 义乌市露然贸易有限公司 | Can change audio amplifier of start-up volume according to surrounding environment |
| CN114422889A (en) * | 2022-03-14 | 2022-04-29 | 台郁电子(深圳)有限公司 | Self-adaptive volume adjusting device and method for vehicle-mounted sound equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201051754Y (en) * | 2007-03-02 | 2008-04-23 | 梁荣锵 | An adjustable integrated sound box |
| CN204795471U (en) * | 2015-06-29 | 2015-11-18 | 天津博众明达科技有限公司 | Novel combination formula stereo set |
| CN109246533A (en) * | 2018-09-28 | 2019-01-18 | 歌尔智能科技有限公司 | Intelligent sound box |
| CN109714673A (en) * | 2018-12-25 | 2019-05-03 | 陈炳兰 | It is a kind of can remote control and regulation sound system |
-
2020
- 2020-03-05 CN CN202010149023.4A patent/CN111246352B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201051754Y (en) * | 2007-03-02 | 2008-04-23 | 梁荣锵 | An adjustable integrated sound box |
| CN204795471U (en) * | 2015-06-29 | 2015-11-18 | 天津博众明达科技有限公司 | Novel combination formula stereo set |
| CN109246533A (en) * | 2018-09-28 | 2019-01-18 | 歌尔智能科技有限公司 | Intelligent sound box |
| CN109714673A (en) * | 2018-12-25 | 2019-05-03 | 陈炳兰 | It is a kind of can remote control and regulation sound system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112601157A (en) * | 2021-01-07 | 2021-04-02 | 义乌市露然贸易有限公司 | Can change audio amplifier of start-up volume according to surrounding environment |
| CN112601157B (en) * | 2021-01-07 | 2022-05-20 | 深圳市博来美电子有限公司 | Can change audio amplifier that starts volume according to surrounding environment |
| CN114422889A (en) * | 2022-03-14 | 2022-04-29 | 台郁电子(深圳)有限公司 | Self-adaptive volume adjusting device and method for vehicle-mounted sound equipment |
| CN114422889B (en) * | 2022-03-14 | 2022-06-14 | 嘉硕电子(深圳)有限公司 | Self-adaptive volume adjusting device and method for vehicle-mounted sound equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111246352B (en) | 2020-11-20 |
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Effective date of registration: 20201104 Address after: 236000, Anhui, Fuyang Province Economic Development Zone on the eastern side of prosperous road north side, Dongxu Road West Applicant after: ANHUI XINLIN ELECTRIC APPLIANCE TECHNOLOGY Co.,Ltd. Address before: 325024 building 6, 245 Wenchang Road, Puzhou street, Longwan District, Wenzhou City, Zhejiang Province Applicant before: Wenzhou Weiting Electronic Technology Co.,Ltd. |
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Granted publication date: 20201120 |