CN112399286B - Full-frequency multi-unit composite coaxial horn sound box - Google Patents
Full-frequency multi-unit composite coaxial horn sound box Download PDFInfo
- Publication number
- CN112399286B CN112399286B CN202011290188.XA CN202011290188A CN112399286B CN 112399286 B CN112399286 B CN 112399286B CN 202011290188 A CN202011290188 A CN 202011290188A CN 112399286 B CN112399286 B CN 112399286B
- Authority
- CN
- China
- Prior art keywords
- horn
- frequency
- bass
- unit
- inch
- 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.)
- Active
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 238000002955 isolation Methods 0.000 claims abstract description 44
- 241001503991 Consolida Species 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Images
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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/026—Supports for loudspeaker casings
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
Abstract
The invention provides a full-frequency multi-unit composite coaxial horn sound box which comprises a box body with an opening, a low-frequency horn unit, an external horn high-frequency unit, an ultrahigh-frequency unit, an external four-inch full-frequency audio unit, an internal four-inch full-frequency audio unit and an auxiliary bass unit, wherein the low-frequency horn unit comprises a low-frequency upper horn and a low-frequency lower horn which are fixed at the front end of the box body, the low-frequency upper horn and the low-frequency lower horn are oppositely arranged and determine to share one horn opening, an upper audio guide isolation cone and a lower audio guide isolation cone are arranged in the box body corresponding to the horn openings, and all low-frequency bands of the horn sound box are full-frequency in the same type, so that the integral sound rate, the tone color and the connection phase consistency of the horn sound box are determined. The small-caliber multi-unit combination not only can make the low-frequency reflection speed of the sound box fast, but also can increase the bearing power and the sound production area of the horn sound box. The bass upper horn and the bass lower horn are independent from each other up and down, and share an opening to isolate and guide the bass horn.
Description
Technical Field
The invention relates to a sound box, in particular to a full-frequency multi-unit composite coaxial horn sound box.
Background
The sound box has the advantages and disadvantages in the structure from a baffle plate, a closed box, a horn, an inverter box and a transmission line box, and gradually becomes mature in design, various structures have the advantages and disadvantages, the internal structure and the appearance of the sound box have great influence on the audio frequency actually, the sound box can assist the sound and reduce the sound, the horn design can improve the efficiency, can extend the low-frequency response, a band-pass simplified frequency division element can increase the phase inversion balance, the composite energy can increase the bearing power and the sound production area of a unit, the positive phase superposition can increase the sound pressure of the sound box, the small-caliber full frequency unit can reflect quickly, the connection in the use frequency band is smooth, the phase change is small, the middle and low frequency units use the same caliber and the same brand, the consistent sound tone can be ensured, the frequency divider is simple to manufacture, the energy loss is small, and therefore whether the advantages of the various box structures are integrated together, the disadvantages are reduced, and the sound box becomes a focus of the industry.
Disclosure of Invention
The invention mainly aims to solve the existing problems and provide a full-frequency multi-unit composite superposed coaxial horn sound box which fully utilizes the characteristics of a box body through a unique complex horn structural design, so that a four-inch full-frequency small-caliber unit is fully exerted, the sound speed, the tone and the joining phase of the sound box are consistent, the sound is particularly clear and transparent, the low frequency is higher than that of other sound boxes in design speed, the lower frequency limit can be 35HZ, the high power can be borne, and the requirements of playing most of various kinds of music can be met.
The invention further aims to provide a full-frequency multi-unit composite superposed coaxial bugle sound box which can effectively control the frequency and output of harmful standing waves in the box body, the surface area of the box body is used as a bugle opening in design, the working lower limit of a four-inch full-frequency unit is expanded to 35HZ, and meanwhile, bugles of other frequency band units are arranged on a large-bugle circular arc surface, and the audio can be concentrated to the middle low-frequency bugle opening of a large-bugle to be superposed with each other by utilizing the conduction characteristic that the audio can be conducted along the arc surface, so that the coaxial effect is formed.
The technical scheme adopted by the invention is as follows:
a full-frequency multi-unit composite coaxial horn loudspeaker box comprises an open box body, a low tone horn unit, an external horn high tone unit, an ultrahigh tone unit, an external four-inch full-frequency audio unit, a built-in four-inch full-frequency audio unit and an auxiliary bass unit, wherein the low tone horn unit comprises a low tone upper horn and a low tone lower horn which are fixed at the front end of the box body, the low tone upper horn and the low tone lower horn are oppositely arranged and determine to share one horn opening, an upper audio guide isolation cone and a lower audio guide isolation cone are arranged in the box body corresponding to the horn openings, an upper isolation plate and an upper four-horn installation plate are arranged between the low tone upper horn and the box body from top to bottom, the space between the upper isolation plate and the low tone upper horn is determined to be a four-inch full-frequency phase inverted box body, the space above the upper four-inch horn installation plate is determined to be a rear cavity of the upper low tone horn, and the space between the upper four-inch low tone guide isolation cone are determined to be a front cavity of the low tone;
a lower four-inch horn mounting plate and a lower isolation plate are arranged between the low-pitch horn and the box body from top to bottom, the space between the lower isolation plate and the box body is determined as a low-pitch horn box body, the space between the lower four-inch horn mounting plate and the lower isolation plate is determined as a low-pitch rear cavity, and the space between the lower four-inch horn mounting plate and the upper and lower audio guide isolation cones is determined as a low-pitch front cavity; (ii) a
The external horn tweeter unit is arranged in the middle of the outer side of the horn opening shared by the upper bass horn and the lower bass horn, namely the external horn tweeter unit is positioned in front of the upper and lower audio guide isolation cones;
the ultrahigh sound unit and the external four-inch full-frequency audio unit are arranged on the upper horn of the bass outside the four-inch full-frequency phase inversion box body from top to bottom;
the built-in four-inch full-frequency audio unit comprises four-inch full-frequency loudspeakers arranged on the upper four-inch loudspeaker mounting plate and four-inch full-frequency loudspeakers arranged on the lower four-inch loudspeaker mounting plate, and audio emitted by the built-in four-inch full-frequency audio unit is superposed in phase at horn openings along upper and lower audio guide isolation cones;
this box is connected an open-ended cuboid that forms by roof, bottom plate, two curb plates, and bugle fixed connection on this bass is between these two curb plates and with this roof fixed connection, and bugle fixed connection under this bass is between these two curb plates and with bottom plate fixed connection, and the bugle one end in opposite directions determines this bugle opening under this bass and this bass on this bass.
The upper four-inch loudspeaker mounting plate is parallel to the upper conical surface of the upper and lower audio guide isolation cones, and the lower four-inch loudspeaker mounting plate is parallel to the lower conical surface of the upper and lower audio guide isolation cones.
The inside of this upper and lower audio frequency direction isolation awl is provided with and shakes the object particle.
The upper horn bass front cavity and the horn opening are provided with audio compression conduction pipes
An inverter tube is arranged at the rear of the four-inch full-frequency inverter box body.
This external bugle high pitch unit includes loudspeaker bugle, loudspeaker and backup pad, and this loudspeaker sets up in the inside of this loudspeaker bugle, and this backup pad is fixed with this loudspeaker bugle and this bass horn down respectively, sets up this external bugle high pitch unit wholly in this bugle open-ended outside through the backup pad.
The super-high sound unit comprises a super-high sound round horn and a super-high sound loudspeaker arranged inside the super-high sound round horn.
This full frequency audio unit of external four cun includes that the full frequency circle bugle of four cun and set up at the full frequency loudspeaker of four cun inside full frequency circle bugle of these four cun.
The auxiliary bass unit comprises a bass mounting plate, a subwoofer mounted on the bass mounting plate and a bandpass subwoofer phase inverter tube inserted in the bass lower horn.
The invention has the beneficial effects that: the middle and low frequency bands of the invention all adopt the same model of four-inch full frequency, thereby determining the integral sound rate, tone and connection phase consistency of the horn loudspeaker box. The small-caliber multi-unit combination not only can make the low-frequency reflection speed of the sound box fast, but also can increase the bearing power and the sound production area of the horn sound box. The upper horn of the bass and the lower horn of the bass are independent from each other up and down, and the common opening is isolated and guided to the horn of the bass.
The invention is arranged in the box body and is provided with an external horn high pitch unit, an ultrahigh pitch unit, an external four-inch full-frequency audio unit, an internal four-inch full-frequency audio unit and an auxiliary bass unit which are respectively and independently spaced, wherein the upper and lower compound bass units of the box body are superposed at the middle opening of the horn in the same phase, the low-frequency output power is multiplied, the frequency and the output of harmful standing waves in the box body can be effectively controlled, the horn opening is made by utilizing the surface area of the box body, the working lower limit of the four-inch full-frequency unit is expanded to 35HZ, and simultaneously, the horns of other frequency band units are all arranged on the cambered surface of the horn, and the sound can be transmitted to the middle low-frequency opening of the horn by utilizing the sound transmission characteristic of the sound along the arc surface, so that the coaxial effect is formed.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a schematic front view of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 2 together, a full-frequency multi-unit composite coaxial horn speaker of the present invention is described, which includes an open box 10, a low-frequency horn unit 20, an external horn high-frequency unit 30, an ultra-high-frequency unit 40, an external four-inch full-frequency audio unit 50, an internal four-inch full-frequency audio unit 60, and an auxiliary bass unit 70, wherein the low-frequency horn unit 20 includes a low-frequency upper horn 21 and a low-frequency lower horn 22 fixed at a front end of the box 10, the low-frequency upper horn 21 and the low-frequency lower horn 22 are disposed opposite to each other and are determined to share a horn opening a, and an upper and lower audio guide isolation cone 121 is disposed in the box 10 corresponding to the horn opening a.
An upper isolation plate 211 and an upper four-inch horn mounting plate 212 are arranged between the bass upper horn 21 and the box body 10 from top to bottom, a space between the upper isolation plate 211 and the bass upper horn 21 is determined as a four-inch full-frequency phase-inversion box body 101, a space above the upper four-inch horn mounting plate 212 is determined as an upper bass horn rear cavity 102, and a space between the upper four-inch horn mounting plate 212 and the upper and lower audio guide isolation cones 121 is determined as an upper horn bass front cavity 103.
A lower four-inch horn mounting plate 221 and a lower isolation plate 222 are arranged between the low-pitch horn 22 and the cabinet 10 from top to bottom, a space between the lower isolation plate 222 and the cabinet 10 is defined as a lower low-pitch horn cabinet 104, a space between the lower four-inch horn mounting plate 212 and the lower isolation plate 222 is defined as a lower low-pitch rear cavity 105, and a space between the lower four-inch horn mounting plate 212 and the upper and lower audio guide isolation cones 121 is defined as a lower horn low-pitch front cavity 106.
The external horn tweeter unit 30 is disposed at a middle position outside the horn opening a shared by the bass upper horn 21 and the bass lower horn 22, i.e., the external horn tweeter unit 30 is located in front of the upper and lower audio guide isolation cones 121;
the super-high sound unit 40 and the external four-inch full-frequency audio unit 50 are installed on the low-pitch upper horn 21 outside the four-inch full-frequency phase-reversing box 101 from top to bottom;
this full frequency audio unit 60 of built-in four cun is including installing four full frequency loudspeaker 61 of four cun loudspeaker mounting panels 212 on this and installing four full frequency loudspeaker 62 of four cun loudspeaker mounting panels 221 under this, and the audio that this full frequency audio unit 60 of built-in four cun sent out is along upper and lower audio frequency direction isolation awl at the homophase stack of bugle opening A.
The auxiliary bass unit 70 is mounted in the lower bass horn box 104. The auxiliary bass unit 70 and the built-in four-inch full-frequency audio unit 60 are driven to work independently to enhance the music atmosphere, and can be selected not to work according to the listening habits.
Further, this box 10 is connected an open-ended cuboid that forms by roof 11, bottom plate 12, two curb plates 13, horn 21 fixed connection on this bass between these two curb plates 13 and with this roof 11 fixed connection, horn 22 fixed connection under this bass between these two curb plates 13 and with bottom plate 12 fixed connection, horn 21 and the horn 22 one end opposite to under this bass confirm this horn opening A on this bass.
It is worth mentioning that the upper four-inch horn mounting plate 212 is parallel to the upper conical surface of the upper and lower audio guide isolation cones 121, and the lower four-inch horn mounting plate 221 is parallel to the lower conical surface of the upper and lower audio guide isolation cones 121.
The inside of the upper and lower audio guide isolation cone is provided with vibration absorption object particles.
The upper horn bass front cavity 103 and the horn opening A are provided with an audio compression conduction tube B
An inverter tube 101A is arranged at the rear of the four-inch full-frequency inverter box body 101.
This external bugle high pitch unit 30 includes tweeter bugle 31, tweeter 32 and support plate 33, and this tweeter 32 sets up in the inside of this tweeter bugle 31, and this support plate 33 is fixed with this tweeter bugle 31 and this bass lower bugle 22 respectively, through the outside of support plate 33 with this external bugle high pitch unit 30 whole setting and bugle opening A.
The super-loud unit 40 includes a super-loud round horn 41 and a super-loud speaker 42 disposed inside the super-loud round horn 41.
The external four-inch full-frequency audio unit 50 comprises a four-inch full-frequency circular horn 51 and a four-inch full-frequency loudspeaker 52 arranged inside the four-inch full-frequency circular horn 51.
The auxiliary bass unit 70 includes a bass mounting plate 71, a subwoofer 72 mounted on the bass mounting plate 71, and a band-pass subwoofer inverter pipe 73 inserted on the bass down horn 22.
The middle and low frequency bands of the invention all adopt the same model of four-inch full frequency, thereby determining the integral sound rate, tone and connection phase consistency of the horn loudspeaker box. The small-caliber multi-unit combination not only can make the low-frequency reflection speed of the sound box fast, but also can increase the bearing power of the horn sound box and increase the sound production area and the sound pressure. The bass upper horn 21 and the bass lower horn 22 of the invention are independent from each other up and down, and the opening is added with a composite bass horn.
The invention is arranged in the box body and is provided with an external horn high pitch unit 30, an ultrahigh pitch unit 40, an external four-inch full-frequency audio unit 50, an internal four-inch full-frequency audio unit 60 and an auxiliary bass unit 70 which are respectively and independently spaced, the upper and lower composite bass units of the box body are superposed in phase at the opening accurately calculated in the middle of the horn, the low-frequency output power is multiplied, and the frequency and the output of harmful standing waves in the box body can be effectively controlled.
The embodiments and drawings of the present invention are only for illustrating the design concept of the present invention, and the scope of the present invention should not be limited to the embodiments.
It will be seen from the foregoing that this invention is one which is designed to be carried out efficiently. The portions of the embodiments illustrate the objects of the invention and implement the functional and structural subject matter, and include other equivalents.
Accordingly, the claims hereof are to be construed to include other equivalent implementations, the scope of which is to be determined by reference to the claims.
Claims (4)
1. The utility model provides a compound coaxial bugle audio amplifier of full polycell, its includes open-ended box, bass bugle unit, external bugle high sound unit, super high sound unit, the full frequency audio frequency unit of external four cuns, the full frequency audio frequency unit of built-in four cuns and supplementary bass unit, its characterized in that: the bass horn unit comprises a bass upper horn and a bass lower horn which are fixed at the front end of the box body, the bass upper horn and the bass lower horn are oppositely arranged and determine to share a horn opening, an upper audio guide isolation cone and a lower audio guide isolation cone are arranged in the box body corresponding to the horn opening, an upper isolation plate and an upper four-inch horn installation plate are arranged between the bass upper horn and the box body from top to bottom, the box body is an open cuboid formed by connecting a top plate, a bottom plate and two side plates, the bass upper horn is fixedly connected between the two side plates and fixedly connected with the top plate, the bass lower horn is fixedly connected between the two side plates and fixedly connected with the bottom plate, and the horn opening is determined by the opposite end of the bass upper horn and the bass lower horn,
the space between the upper isolation plate, the bass upper horn, the top plate and the two side plates is determined as a four-inch full-frequency phase-reversal cavity, the space between the upper four-inch loudspeaker mounting plate and the upper isolation plate is determined as an upper bass rear cavity, and the space between the upper four-inch loudspeaker mounting plate and the upper and lower audio guide isolation cones is determined as an upper bass front cavity;
a lower four-inch horn mounting plate and a lower isolation plate are arranged between the low-pitch horn and the box body from top to bottom, spaces among the lower isolation plate, the bottom plate, the two side plates and the low-pitch horn of the box body are determined as a lower low-pitch cavity, a space between the lower four-inch horn mounting plate and the lower isolation plate is determined as a lower low-pitch rear cavity, and a space between the lower four-inch horn mounting plate and the upper and lower audio guide isolation cones is determined as a lower low-pitch front cavity;
the external horn tweeter unit is arranged in the middle of the outer side of the horn opening shared by the upper bass horn and the lower bass horn, namely the external horn tweeter unit is positioned in front of the upper and lower audio guide isolation cones;
the super-high sound unit and the external four-inch full-frequency audio unit are arranged on the upper horn of the bass outside the four-inch full-frequency phase-inversion cavity from top to bottom;
the built-in four-inch full-frequency audio unit comprises four-inch full-frequency loudspeakers arranged on the upper four-inch loudspeaker mounting plate and four-inch full-frequency loudspeakers arranged on the lower four-inch loudspeaker mounting plate, and audio emitted by the built-in four-inch full-frequency audio unit is superposed in phase at the horn openings along the upper and lower audio guide isolation cones;
the upper four-inch loudspeaker mounting plate is parallel to the upper conical surface of the upper and lower audio guide isolation cones, and the lower four-inch loudspeaker mounting plate is parallel to the lower conical surfaces of the upper and lower audio guide isolation cones;
vibration absorption object particles are arranged in the upper and lower audio guide isolation cones;
the upper bass front cavity and the horn opening are provided with audio compression conduction pipes;
an inverter tube is arranged behind the four-inch full-frequency inverter cavity;
the auxiliary bass unit is arranged in the lower bass cavity and comprises a bass mounting plate, a super bass loudspeaker arranged on the bass mounting plate and a band-pass super bass phase inverter tube inserted in the lower horn of the bass.
2. The full-band multi-unit composite coaxial horn loudspeaker of claim 1, wherein the external horn tweeter unit comprises a tweeter horn, a tweeter and a support plate, the tweeter is disposed inside the tweeter horn, the support plate is fixed to the tweeter horn and the low-pitch horn, respectively, and the external horn tweeter unit is integrally disposed outside the horn opening through the support plate.
3. The full-frequency multi-unit composite coaxial horn loudspeaker of claim 1, wherein the ultra-high sound unit comprises an ultra-high sound round horn and an ultra-high sound horn disposed inside the ultra-high sound round horn.
4. The full-frequency multi-unit composite coaxial horn speaker of claim 1, wherein the external four-inch full-frequency audio unit comprises a four-inch full-frequency round horn and a four-inch full-frequency speaker disposed inside the four-inch full-frequency round horn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290188.XA CN112399286B (en) | 2020-11-17 | 2020-11-17 | Full-frequency multi-unit composite coaxial horn sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290188.XA CN112399286B (en) | 2020-11-17 | 2020-11-17 | Full-frequency multi-unit composite coaxial horn sound box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112399286A CN112399286A (en) | 2021-02-23 |
| CN112399286B true CN112399286B (en) | 2022-12-16 |
Family
ID=74606403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011290188.XA Active CN112399286B (en) | 2020-11-17 | 2020-11-17 | Full-frequency multi-unit composite coaxial horn sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112399286B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201185466Y (en) * | 2008-02-25 | 2009-01-21 | 黄亚宾 | Bluetooth molding acoustic enclosure |
| CN201774674U (en) * | 2010-09-13 | 2011-03-23 | 台山市恒东音响科技有限公司 | Combined sound box |
| CN203435130U (en) * | 2013-09-12 | 2014-02-12 | 苗延明 | Multifunctional linear-array sound box |
| CN211630319U (en) * | 2020-03-19 | 2020-10-02 | 李齐车 | Full frequency superposition bugle audio amplifier of composite construction |
-
2020
- 2020-11-17 CN CN202011290188.XA patent/CN112399286B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201185466Y (en) * | 2008-02-25 | 2009-01-21 | 黄亚宾 | Bluetooth molding acoustic enclosure |
| CN201774674U (en) * | 2010-09-13 | 2011-03-23 | 台山市恒东音响科技有限公司 | Combined sound box |
| CN203435130U (en) * | 2013-09-12 | 2014-02-12 | 苗延明 | Multifunctional linear-array sound box |
| CN211630319U (en) * | 2020-03-19 | 2020-10-02 | 李齐车 | Full frequency superposition bugle audio amplifier of composite construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112399286A (en) | 2021-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203984643U (en) | Passive radiator | |
| CN104320601B (en) | A kind of flat panel TV | |
| CN209151312U (en) | A kind of coaxial linear array speaker | |
| CN112399286B (en) | Full-frequency multi-unit composite coaxial horn sound box | |
| CN201069881Y (en) | Track correction transmitter | |
| WO2014194446A1 (en) | Horn type multi-point excitation loudspeaker enclosure | |
| CN203057452U (en) | 1/8 double distance transmission line sound box | |
| CN207235087U (en) | A kind of linear array speaker for being used for the academic cinema of business | |
| CN202587345U (en) | Bar-shaped sound device and television equipped with the same | |
| CN204993800U (en) | Integral type linear array speaker composite set | |
| CN109246536B (en) | Open type labyrinth sound box | |
| CN201928399U (en) | Digital sound box structure | |
| CN106507254B (en) | Loudspeaker horn | |
| CN201039342Y (en) | TV sound | |
| CN220368791U (en) | Double-unit ultralow sound box | |
| CN207652628U (en) | It is a kind of effectively to avoid the stereo set uttered long and high-pitched sounds | |
| CN202907156U (en) | Omnidirectional sound transmission loudspeaker | |
| CN201114729Y (en) | Full-frequency speaker system | |
| CN201467420U (en) | Sound box structure with extra bass effect | |
| CN2521857Y (en) | Phase-reversing tube type acoustics | |
| CN203289620U (en) | Double-speaker earphone | |
| CN213880227U (en) | Sound box structure and sound system | |
| CN216357271U (en) | High-pitch wave waveguide device | |
| CN204906718U (en) | Coaxial -type is package assembly for speaker | |
| CN207340153U (en) | A kind of coaxial linear array speaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | 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 |