CN106535032A - Wall type embedded sound box system, a sound equipment play method and receiver play method - Google Patents
Wall type embedded sound box system, a sound equipment play method and receiver play method Download PDFInfo
- Publication number
- CN106535032A CN106535032A CN201611162895.4A CN201611162895A CN106535032A CN 106535032 A CN106535032 A CN 106535032A CN 201611162895 A CN201611162895 A CN 201611162895A CN 106535032 A CN106535032 A CN 106535032A
- Authority
- CN
- China
- Prior art keywords
- wall
- sound box
- audio signal
- type embedded
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005236 sound signal Effects 0.000 claims abstract description 88
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 4
- 239000000696 magnetic material Substances 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000006870 function Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention provides a wall type embedded sound box system which comprises an audio signal device, an audio signal processing device and wall type sound box devices, the audio signal device is in data connection with the audio signal processing device and sends audio signals to the audio signal processing device, and the audio signal processing device processes the received audio signals and then sends the processed signals to the wall type sound box devices. The invention also provides a sound equipment play method and a receiver play method of the wall type embedded sound box system. According to the invention, the wall type embedded sound boxes of different frequencies are combined and arranged, so that different play effects are built in the indoor environment, different play experiences are provided, the using effect of the wall type embedded sound boxes is improved, the using scope of the wall type embedded sound boxes is broadened, the wall type embedded sound boxes can be detachably combined with an installation panel, the application range of the wall type embedded sound equipment itself is widened, and convenience is provided for dismounting and maintenance.
Description
Technical Field
The invention relates to the field of electrical and electric appliance accessory devices, in particular to an application mode of a wall-type embedded electrical and electric appliance accessory device.
Background
Wall-embedded sound boxes in existing home decoration are often used as sound source output accessory equipment of home theaters, and no more use functions are given to the sound boxes.
Disclosure of Invention
The invention provides a wall-type embedded sound box system, which can make the application range of the wall-type embedded sound box wider and has better use effect.
The technical scheme adopted by the invention for solving the technical problems is as follows: the wall-type embedded sound box system comprises an audio signal device, an audio signal processing device and a plurality of wall-type sound box devices, wherein the audio signal device is in data connection with the audio signal processing device and sends audio signals to the audio signal processing device, the audio signal processing device processes the received audio signals and sends the processed audio signals to the plurality of wall-type sound box devices, and the wall-type sound box devices convert the audio signals into sound waves to be output.
Furthermore, the audio signal processing device comprises a frequency divider and a power amplifier, wherein the frequency divider divides signals sent by the audio signal device into different types of signals, and the different types of signals are respectively transmitted to the corresponding wall-type sound box devices through the power amplifier.
Furthermore, the wall-mounted speaker device includes a full-frequency wall-mounted embedded speaker, a high-frequency wall-mounted embedded speaker and a low-frequency wall-mounted embedded speaker.
Further, a plurality of wall speaker units are arranged at different locations in the indoor space to obtain different auditory effects.
Furthermore, wall sound box device includes audio amplifier and installation panel, audio amplifier functional module with installation panel detachable connection is equipped with audio amplifier functional module's data interface on the installation panel, installation panel fixed connection is on power base, power base installs in the wall through the concealed installation box.
Further, the detachable connection means that the speaker function module is mounted on the mounting panel, the speaker function module does not fall off from the mounting panel after the external force is removed, and the speaker function module can be separated from the mounting panel when a certain external force is applied.
Furthermore, the sound box functional module and the mounting panel are fixedly connected through excessive fit or small excessive fit on the shape size, and in this case, the mounting panel is externally provided with a mounting position matched with the external shape of the sound box functional module; or,
the contact surfaces of the sound box functional module and the mounting panel are respectively provided with a hidden button and a button position, so that the sound box functional module and the mounting panel are fixedly connected in a clamping manner; or,
magnetic materials which are mutually attracted are respectively arranged in the sound box functional module and the mounting panel, so that the sound box functional module and the mounting panel are fixedly connected in a magnetic adsorption mode; or, magic tapes are respectively arranged on the matching surfaces of the sound box functional module and the mounting panel, so that the sound box functional module and the mounting panel are fixedly connected in a sticking mode.
The invention also provides a sound playing method of the wall-type embedded sound box system, which specifically comprises the following steps:
(1) the audio signal source equipment inputs the audio signal into the audio signal processing equipment;
(2) the audio signal processing equipment carries out frequency division processing on the audio signal;
(3) the audio signal processing equipment amplifies the power of the audio signal after frequency division;
(4) the audio signal processing equipment respectively sends the processed audio signals to corresponding wall-type sound box devices (including full-frequency wall-type embedded sound boxes, high-frequency wall-type embedded sound boxes and low-frequency wall-type embedded sound boxes) suitable for different frequency bands;
(5) different wall-mounted embedded enclosures output sound within their optimal range of pitch ranges.
The invention also provides a receiver playing method of the wall-type embedded sound box system, which specifically comprises the following steps: (1) the audio signal source equipment is connected with a wall type embedded sound box system with a power amplifier;
(2) the audio signal is amplified by a wall-type embedded sound box system with a power amplifier;
(3) the wall type embedded sound box system with the power amplifier outputs the processed sound.
Furthermore, the audio signal source equipment with the connection of wall type embedding audio amplifier system is wired or wireless, and wireless connection includes wifi connection and bluetooth connection, audio signal source equipment include pronunciation intercom, cell-phone, PC.
The invention has the beneficial effects that: the wall-type embedded sound box has the advantages that different playing effects can be created in an indoor environment by combining and arranging the wall-type embedded sound boxes with various frequencies, various playing experiences are brought, the using effect of the wall-type embedded sound box is improved, and the using range of the wall-type embedded sound box is expanded. The earphone playing method further expands the application range of the wall-type embedded sound box, so that the application scene of the wall-type embedded sound box is expanded from indoor to outdoor.
Drawings
Fig. 1 is a schematic view of a wall-mounted built-in enclosure of the present invention.
Fig. 2 is a schematic layout of the wall-mounted embedded enclosure system of the present invention.
Fig. 3 is a schematic diagram of the operation of the wall-mounted embedded enclosure system of the present invention.
Fig. 4 is a schematic layout of the wall-embedded sound box of the present invention in a room.
Fig. 5 is a schematic diagram of the connection mode of the wall-mounted embedded sound box and the audio signal device when the wall-mounted embedded sound box is used for earphone playing.
Detailed Description
Reference is made to figure 1.
The wall-type embedded sound box comprises a sound box functional module 4 and a mounting panel 5 which is coupled with the sound box functional module 4 and fixed on a wall, wherein the mounting panel 5 is fixedly connected to a power supply base, and the power supply base is arranged in the wall through a concealed box. The speaker function module 4 may be provided with a wireless transceiver, such as a bluetooth unit.
The sound box functional module 4 is in a pluggable form, and the sound box functional module 4 can be powered by an independent power supply, can also be powered by a power supply base fixed on a wall through the mounting panel 5, and can also be powered by an external power supply.
The sound box functional module 4 and the mounting panel 5 are arranged as follows: the speaker function module 4 is inserted and fixed on the installation panel 5 so that the speaker function module 4 does not fall off from the installation panel 5 after the external force is removed, and when a certain external force is applied, the speaker function module 4 can be separated from the installation panel 5.
In one embodiment, the mounting of the functional module 4 to the mounting panel 5 may be a transition fit or a small transition fit in the shape and size.
In one embodiment, the speaker functional module 4 and the mounting panel 5 may be respectively provided with a hidden button and a button on their contact surfaces, and are mounted and fixed by a snap type.
In one embodiment, magnetic substances such as magnets may be disposed in the speaker functional module 4 and the mounting panel 5, respectively, so as to be mounted and fixed by the attraction force of the magnets.
In one embodiment, the mating surfaces of the speaker functional module 4 and the mounting panel 5 may be disposed with hook and loop fasteners, and the mounting and fixing are achieved through the hook and loop fasteners.
In one embodiment, the sound box function module 4 and in one embodiment, the sound box function module and the sound box function module can be fixed by other detachable locking and fixing mechanisms, such as screws.
Refer to fig. 2-3.
The wall-type embedded sound box system comprises an audio signal device, an audio signal processing device and a plurality of wall-type sound box devices, wherein the audio signal device is in data connection with the audio signal processing device and sends audio signals to the audio signal processing device, the audio signal processing device processes the received audio signals and sends the processed audio signals to the plurality of wall-type sound box devices, and the wall-type sound box devices convert the audio signals into sound waves to be output.
The audio signal processing equipment comprises a frequency divider and a power amplifier, wherein the frequency divider divides signals sent by the audio signal equipment into high-frequency signals, low-frequency signals or other types of signals, and the signals are transmitted to the corresponding wall type sound box device through the power amplifier and played by the wall type sound box device.
The wall-type sound box device comprises a full-frequency wall-type embedded sound box, a high-frequency wall-type embedded sound box and a low-frequency wall-type embedded sound box.
A plurality of wall speaker units are arranged at different locations in the indoor space to obtain different auditory effects.
Reference is made to figure 3.
A better sound quality is obtained by arranging a wall-embedded enclosure system 3 at or near the same location in the indoor space instead of a full-frequency wall-embedded enclosure.
Wherein, the wall-type embedded sound box system 3 is a combination of a special high-frequency wall-type embedded sound box and a low-frequency wall-type embedded sound box.
Wherein the audio signal processing device 2 is a power amplifier with a frequency divider.
The implementation arrangement is as follows:
firstly, an audio signal source device 1 inputs an audio signal into an audio signal processing device 2;
secondly, the audio signal processing device 2 performs frequency division processing on the audio signal;
thirdly, the audio signal processing device 2 amplifies the power of the audio signal after frequency division;
fourthly, the audio signal processing equipment 2 respectively sends the processed audio signals to corresponding high-frequency wall-type embedded sound boxes or low-frequency wall-type embedded sound boxes which are suitable for different frequency bands;
and fifthly, outputting the sound within the optimal range by different wall-type embedded sound boxes.
Reference is made to figure 4.
Better hearing is achieved by arranging the wall-embedded enclosure system 3 at different locations in the indoor space.
Wherein, furthermore, the wall-embedded sound box system 3 can be annularly arranged in the indoor space to achieve surround sound effect; or, the wall-type embedded sound box system 3 can be arranged on different horizontal planes and different height positions of the indoor space so as to achieve the stereo effect; or, the wall-embedded sound box system 3 can be arranged in a ring shape at different levels and different height positions in the indoor space to achieve surround sound.
The wall-type embedded sound box can be a single full-frequency wall-type embedded sound box, a high-frequency wall-type embedded sound box or a low-frequency wall-type embedded sound box; or, the wall-type embedded sound box can be a wall-type embedded sound box combination suitable for different channels.
In one example, in indoor space scene 01, an audio signal source device 1 (e.g., a television) is coupled to a ring-like arrangement of wall-embedded enclosure systems 3 via an audio signal processing device 2 (e.g., an audio splitter), and the ring-like arrangement of wall-embedded enclosure systems 3 outputs surround sound effects.
Reference is made to fig. 5.
The wall type embedded sound box system 3 with the power amplifier can be connected with the audio signal source equipment 1 to be used as a receiver, and the using steps are as follows:
firstly, audio signal source equipment 1 is connected with a wall-type embedded sound box system 3 with a power amplifier;
secondly, the audio signal is subjected to power amplification processing through a wall-type embedded sound box system 3 with a power amplifier;
and thirdly, outputting the processed sound by the wall-type embedded sound box system 3 with the power amplifier.
The wall-type embedded sound box system 3 with the power amplifier can be used as equipment for a receiver and connected with the audio signal source equipment 1 in a wired mode; or may be wireless.
Further, the wireless connection mode may be a WIFI connection; alternatively, a bluetooth connection may be used.
The audio signal source device 1 is a voice intercom device, and may be a mobile phone, a computer with mic, or the like.
The power amplifier wall-type embedded sound box system 3 is used as a receiver in the following places: a locale where voice interaction may occur is desired.
Wherein, the use place can be indoor; or, may be outdoor.
Further, the indoor location may be a bedroom, a kitchen, a dining room, a living room, a study, a balcony or other indoor space.
Claims (10)
1. A wall-type embedded sound box system is characterized in that: the wall-mounted loudspeaker box comprises audio signal equipment, audio signal processing equipment and a plurality of wall-mounted loudspeaker box devices, wherein the audio signal equipment is in data connection with the audio signal processing equipment and sends audio signals to the audio signal processing equipment, the audio signal processing equipment processes the received audio signals and then sends the processed audio signals to the wall-mounted loudspeaker box devices, and the wall-mounted loudspeaker box devices convert the audio signals into sound waves to be output.
2. A wall-mounted embedded enclosure system as claimed in claim 1, wherein: the audio signal processing equipment comprises a frequency divider and a power amplifier, wherein the frequency divider divides signals sent by the audio signal equipment into different types of signals, and the signals are transmitted to the corresponding wall-type sound box devices through the power amplifier respectively.
3. A wall-mounted embedded enclosure system as claimed in claim 2, wherein: the wall-type sound box device comprises a full-frequency wall-type embedded sound box, a high-frequency wall-type embedded sound box and a low-frequency wall-type embedded sound box.
4. A wall-mounted embedded enclosure system as claimed in claim 1, wherein: a plurality of wall speaker units are arranged at different locations in the indoor space to obtain different auditory effects.
5. A wall-mounted embedded enclosure system as claimed in claim 1, wherein: the wall-mounted sound box device comprises a sound box and an installation panel, wherein the sound box functional module is detachably connected with the installation panel, a data interface of the sound box functional module is arranged on the installation panel, the installation panel is fixedly connected to a power supply base, and the power supply base is installed in a wall through a concealed box.
6. A wall-mounted embedded enclosure system as claimed in claim 5, wherein: the detachable connection means that the sound box function module is installed on the installation panel, the sound box function module cannot fall off from the installation panel after external force is removed, and the sound box function module can be separated from the installation panel when certain external force is applied.
7. The wall-mounted embedded enclosure system of claim 6, wherein: the loudspeaker box functional module is fixedly connected with the installation panel through excessive matching or small excessive matching on the shape size, and in this case, the installation position matched with the external shape of the loudspeaker box functional module is arranged on the outer surface of the installation panel; or,
the contact surfaces of the sound box functional module and the mounting panel are respectively provided with a hidden button and a button position, so that the sound box functional module and the mounting panel are fixedly connected in a clamping manner; or,
magnetic materials which are mutually attracted are respectively arranged in the sound box functional module and the mounting panel, so that the sound box functional module and the mounting panel are fixedly connected in a magnetic adsorption mode; or, magic tapes are respectively arranged on the matching surfaces of the sound box functional module and the mounting panel, so that the sound box functional module and the mounting panel are fixedly connected in a sticking mode.
8. A wall type embedded sound playing method is characterized in that: the method uses the wall-embedded sound box system of any one of claims 1-7 and comprises the steps of:
(1) the audio signal source equipment inputs the audio signal into the audio signal processing equipment;
(2) the audio signal processing equipment carries out frequency division processing on the audio signal;
(3) the audio signal processing equipment amplifies the power of the audio signal after frequency division;
(4) the audio signal processing equipment respectively sends the processed audio signals to corresponding wall-type sound box devices (including full-frequency wall-type embedded sound boxes, high-frequency wall-type embedded sound boxes and low-frequency wall-type embedded sound boxes) suitable for different frequency bands;
(5) different wall-mounted embedded enclosures output sound within their optimal range of pitch ranges.
9. A headphone playing method of a wall-type embedded sound box system is characterized in that: the method uses the wall-embedded sound box system of any one of claims 1-7 and comprises the steps of:
(1) the audio signal source equipment is connected with a wall type embedded sound box system with a power amplifier;
(2) the audio signal is amplified by a wall-type embedded sound box system with a power amplifier;
(3) the wall type embedded sound box system with the power amplifier outputs the processed sound.
10. The method of claim 9, wherein the method further comprises: the audio signal source equipment and the wall type embedded sound box system are connected in a wired or wireless mode, the wireless connection comprises wifi connection and Bluetooth connection, and the audio signal source equipment comprises a voice interphone, a mobile phone and a PC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162895.4A CN106535032B (en) | 2016-12-15 | 2016-12-15 | Wall type embedded sound box system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611162895.4A CN106535032B (en) | 2016-12-15 | 2016-12-15 | Wall type embedded sound box system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106535032A true CN106535032A (en) | 2017-03-22 |
| CN106535032B CN106535032B (en) | 2021-03-30 |
Family
ID=58340680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611162895.4A Active CN106535032B (en) | 2016-12-15 | 2016-12-15 | Wall type embedded sound box system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106535032B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071597A (en) * | 2017-06-15 | 2017-08-18 | 浙江云木环保科技有限公司 | A kind of hidden wireless audio amplifier |
| CN107864432A (en) * | 2017-10-25 | 2018-03-30 | 努比亚技术有限公司 | Baffle Box of Bluetooth connection management method, terminal and computer-readable recording medium |
| CN110519668A (en) * | 2018-05-21 | 2019-11-29 | 华一声学股份有限公司 | Modularization plane sound equipment |
| CN110519673A (en) * | 2018-05-21 | 2019-11-29 | 华一声学股份有限公司 | Planar module sound equipment |
| TWI689207B (en) * | 2018-05-09 | 2020-03-21 | 華一聲學股份有限公司 | Planar module sound device |
| TWI690213B (en) * | 2018-05-09 | 2020-04-01 | 華一聲學股份有限公司 | Planar module sound device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102300133A (en) * | 2010-06-23 | 2011-12-28 | 深圳市三诺电子有限公司 | Wireless illuminating sound box system and wireless illuminating sound boxes thereof |
| US20120070020A1 (en) * | 2010-03-26 | 2012-03-22 | Hiroyuki Kano | Speaker device, audio control device, wall attached with speaker device |
| CN202514040U (en) * | 2012-04-01 | 2012-10-31 | 英爵音响（上海）有限公司 | Wall-hidden type sound equipment and system thereof |
| CN204069239U (en) * | 2014-09-01 | 2014-12-31 | 庄仲岳 | A kind of Combined wall sound column |
| CN106162421A (en) * | 2016-08-19 | 2016-11-23 | 北海爱飞数码科技有限公司 | Embedded loudspeaker box |
-
2016
- 2016-12-15 CN CN201611162895.4A patent/CN106535032B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120070020A1 (en) * | 2010-03-26 | 2012-03-22 | Hiroyuki Kano | Speaker device, audio control device, wall attached with speaker device |
| CN102300133A (en) * | 2010-06-23 | 2011-12-28 | 深圳市三诺电子有限公司 | Wireless illuminating sound box system and wireless illuminating sound boxes thereof |
| CN202514040U (en) * | 2012-04-01 | 2012-10-31 | 英爵音响（上海）有限公司 | Wall-hidden type sound equipment and system thereof |
| CN204069239U (en) * | 2014-09-01 | 2014-12-31 | 庄仲岳 | A kind of Combined wall sound column |
| CN106162421A (en) * | 2016-08-19 | 2016-11-23 | 北海爱飞数码科技有限公司 | Embedded loudspeaker box |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071597A (en) * | 2017-06-15 | 2017-08-18 | 浙江云木环保科技有限公司 | A kind of hidden wireless audio amplifier |
| CN107864432A (en) * | 2017-10-25 | 2018-03-30 | 努比亚技术有限公司 | Baffle Box of Bluetooth connection management method, terminal and computer-readable recording medium |
| TWI689207B (en) * | 2018-05-09 | 2020-03-21 | 華一聲學股份有限公司 | Planar module sound device |
| TWI690213B (en) * | 2018-05-09 | 2020-04-01 | 華一聲學股份有限公司 | Planar module sound device |
| CN110519668A (en) * | 2018-05-21 | 2019-11-29 | 华一声学股份有限公司 | Modularization plane sound equipment |
| CN110519673A (en) * | 2018-05-21 | 2019-11-29 | 华一声学股份有限公司 | Planar module sound equipment |
| CN110519673B (en) * | 2018-05-21 | 2020-12-18 | 华一声学股份有限公司 | Plane module sound box |
| CN110519668B (en) * | 2018-05-21 | 2020-12-22 | 华一声学股份有限公司 | Modular flat sound box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106535032B (en) | 2021-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106535032B (en) | Wall type embedded sound box system | |
| US10757518B2 (en) | Compact public address access point apparatuses | |
| WO2022061246A1 (en) | Earphone positioning and retention | |
| EP3351011B1 (en) | Wireless sound-emitting device and system for remotely controlling a wireless sound-emitting device | |
| US20140334657A1 (en) | Portable loudspeakers and convertible personal audio headphone/loudspeakers | |
| CN103369431A (en) | Sound production system | |
| US20230164479A1 (en) | Acoustic filters for microphone noise mitigation and transducer venting | |
| TW201605251A (en) | Modular earphone structure | |
| CN101820575A (en) | Background sound system by using Bluetooth signal transmission | |
| US20140219489A1 (en) | Wireless speaker with parabolic reflectors | |
| CN105261380A (en) | Wireless background music system | |
| WO2022243720A1 (en) | Wireless paging roof band | |
| CN202183846U (en) | Ultrathin bar-shaped acoustic device | |
| CN106788496B (en) | Wall type radio | |
| CN211670973U (en) | Wireless audio transmission system | |
| CN209314032U (en) | One kind being used for the central controlled controller of meeting room sound equipment | |
| GB2463924A (en) | Wireless table-top conference system uses Balanced Mode loudspeaker | |
| CN103052002A (en) | Uniformly sounding multi-face sound box | |
| CN215268634U (en) | Bonfire sound system | |
| CN201667713U (en) | Ceiling type bluetooth wireless acoustic equipment | |
| CN208434102U (en) | A kind of intelligent wireless ceiling loudspeaker | |
| US20240111486A1 (en) | Adjustable Mounting Assembly | |
| CN211580153U (en) | Can dismantle microphone audio amplifier equipment | |
| LOUDSPEAKER | MERIDIAN INTRODUCES NEW | |
| CN202889601U (en) | Uniformly-sounding multi-surface type sound box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |