CN105430561A - Low-distortion sound box - Google Patents
Low-distortion sound box Download PDFInfo
- Publication number
- CN105430561A CN105430561A CN201510763351.2A CN201510763351A CN105430561A CN 105430561 A CN105430561 A CN 105430561A CN 201510763351 A CN201510763351 A CN 201510763351A CN 105430561 A CN105430561 A CN 105430561A
- Authority
- CN
- China
- Prior art keywords
- electrically connected
- amplifirer
- loudspeaker
- terminals
- audio amplifier
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- 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
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
-
- 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
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
-
- 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
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2892—Mountings or supports for transducers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The present invention discloses a low-distortion sound box, belonging to the field of audio equipment. The speaker comprises a shell, at least one pair of high-sound speakers with the same model, at least one pair of middle-sound speakers with the same model, at least one pair of low-sound speakers with the same model, and an amplifier. The positive wiring end and the negative wiring end of one high-sound speaker are electrically connected to the positive wiring end and the negative wiring end of the other high-sound speaker, and then the high-sound speakers are electrically connected to the amplifier through signal lines. The positive wiring end and the negative wiring end of one middle-sound speaker are electrically connected to the positive wiring end and the negative wiring end of the other middle-sound speaker, and then the middle-sound speakers are electrically connected to the amplifier through signal lines. The positive wiring end and the negative wiring end of one low-sound speaker are electrically connected to the positive wiring end and the negative wiring end of the other low-sound speaker, and then the low-sound speakers are electrically connected to the amplifier through signal lines. The invention provides the sound box, through connecting the positive wiring ends and the negative wiring ends of two speakers with the same model, the split vibration can be effectively inhibited, and the sound quality restoration is more real.
Description
Technical field
The present invention relates to stereo set field, particularly a kind of low distortion audio amplifier.
Background technology
Audio amplifier is the important terminal equipment of sound system, and audio electrical signal can be converted into acoustical signal by it, and is radiated in space, listens attentively to for people's ear.The sense of hearing due to people is very sensitive, and has very strong resolving ability to the tone color of complex sound, and this just proposes very high requirement to the tonequality of sound system.And the performance of audio amplifier plays vital effect for the tonequality improving sound system, so, provide a kind of audio amplifier of high audio quality very important.
Under normal circumstances, audio amplifier is made up of multiple loudspeaker, mediant trumpet and bass horn usually, access amplifirer after the positive terminals of two loudspeaker of same model are connected with positive terminals, after negative terminals are connected with negative terminals, access amplifirer, to realize sound amplification.Particularly, the loudspeaker of above-mentioned each frequency range include shell, fixing magnetic conductor bowl in the enclosure, be fixed on the disc S pole magnetic conductive board at magnetic conductor bowl top, be fixed on the cylindrical magnet at magnetic conductor bowl inside center place, be fixed on the annular N pole magnetic conductive board at cylindrical magnetic iron top, be arranged on the vibrating diaphragm above the magnetic conductive board of S pole, be bonded in the voice coil loudspeaker voice coil be coiled into by a wire of vibrating diaphragm lower surface.After acoustic current-meter passes into voice coil loudspeaker voice coil, voice coil vibrations also drives diaphragm oscillations, moving up and down in the magnetic gap formed at N pole magnetic conductive board and S pole magnetic conductive board by voice coil loudspeaker voice coil, thus audio electrical signal is converted into acoustical signal.But because the rigidity of vibrating diaphragm and damping are difficult to reach balance, it easily produces diaphagras phenomenon in vibration processes, causes audio-frequency harmonic distortion.
Inventor finds that prior art at least exists following problem:
Prior art accesses amplifirer after being connected with positive terminals by the positive terminals of two of same model loudspeaker, accesses amplifirer, so arranges, easily by the impact of diaphagras, thus cause audio-frequency harmonic distortion after negative terminals are connected with negative terminals.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, provides one and effectively can suppress diaphagras, to prevent the low distortion audio amplifier of audio-frequency harmonic distortion.Concrete technical scheme is as follows:
A kind of low distortion audio amplifier, comprise: housing, the loudspeaker being arranged at least one pair of same model on described housing forward end face, the mediant trumpet of at least one pair of same model, the bass horn of at least one pair of same model and amplifirer, after the positive terminals of a described loudspeaker and negative terminals are electrically connected by holding wire with the negative terminals of loudspeaker described in another and positive terminals respectively, then be electrically connected with described amplifirer by holding wire;
After the positive terminals of a described mediant trumpet and negative terminals are electrically connected by holding wire with the negative terminals of mediant trumpet described in another and positive terminals respectively, then be electrically connected with described amplifirer by holding wire;
After the positive terminals of a described bass horn and negative terminals are electrically connected by holding wire with the negative terminals of bass horn described in another and positive terminals respectively, then be electrically connected with described amplifirer by holding wire.
Particularly, as preferably, described amplifirer is arranged on the middle part in described housing forward end face, the both sides of described amplifirer are all disposed with described bass horn, described mediant trumpet and described loudspeaker, are positioned at the described bass horn of described amplifirer both sides, described mediant trumpet and described loudspeaker symmetrical.
Particularly, as preferably, described housing is provided with audio input port and audio output port, described audio input port is electrically connected with sound source output equipment, and described audio output port is electrically connected with described amplifirer.
Particularly, as preferably, described housing is provided with infrared remote receiver, for receiving the control signal that audio amplifier remote controller is launched.
Particularly, as preferably, the inwall of described housing is coated with the quieter material layer of one deck high damping.
Particularly, as preferably, the material of described housing is aluminium alloy, wooden or plastics.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The low distortion audio amplifier that the embodiment of the present invention provides, by to loudspeaker, the connection mode of mediant trumpet and bass horn adjusts, positive terminals between having abandoned two of same model loudspeaker are electrically connected with positive terminals, the conventional link mode that negative terminals are electrically connected with negative terminals, overcome technology prejudice all the time, by terminals positive between at least two of same model loudspeaker are electrically connected with negative terminals, the audio amplifier formed can not only normal sounding, and by offsetting the diaphagras effectively having suppressed each loudspeaker in opposite directions, ensure that the tonequality high-fidelity of audio amplifier.Visible, the low distortion audio amplifier that the embodiment of the present invention provides, effectively can suppress diaphagras only by the connection mode changing loudspeaker, make tonequality rediscover, and its structure is simple, is convenient to large-scale promotion application.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the low distortion audio amplifier that the embodiment of the present invention provides;
Fig. 2 is the cross-sectional view of the low distortion audio amplifier that further embodiment of this invention provides;
Fig. 3 is that further embodiment of this invention provides, when loudspeaker, mediant trumpet and bass horn are 2, and its annexation schematic diagram;
Fig. 4 is that further embodiment of this invention provides, when loudspeaker, mediant trumpet and bass horn are 3, and its annexation schematic diagram;
Fig. 5 is that further embodiment of this invention provides, when loudspeaker, mediant trumpet and bass horn are 4, and its annexation schematic diagram.
Wherein, black bars all in Fig. 2-5 all refers to positive terminals, and all white square all refer to negative terminals.
Reference numeral represents respectively:
1 housing,
2 bass horns,
201 first bass horns,
202 second bass horns,
203 the 3rd bass horns,
204 the 4th bass horns,
3 mediant trumpets,
301 first mediant trumpets,
302 second mediant trumpets,
303 the 3rd mediant trumpets,
304 the 4th mediant trumpets,
4 loudspeakers,
401 first loudspeakers,
402 second loudspeakers,
403 third high sound loudspeaker,
404 the 4th loudspeakers,
5 amplifirers,
6 positive terminals,
7 negative terminals.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
As shown in accompanying drawing 1 and accompanying drawing 2, embodiments provide a kind of low distortion audio amplifier, this audio amplifier comprises: housing 1, the bass horn 2 being arranged at least one pair of same model on housing 1 front end face, the mediant trumpet 3 of at least one pair of same model, the loudspeaker 4 of at least one pair of same model and amplifirer 5.Wherein, after the positive terminals 6 of at least one bass horn 2 and negative terminals 7 are electrically connected by holding wire with the negative terminals 7 of another bass horn 2 and positive terminals 6 respectively, then be electrically connected with amplifirer 5 by holding wire.After the positive terminals 6 of at least one mediant trumpet 3 and negative terminals 7 are electrically connected by holding wire with the negative terminals 7 of another mediant trumpet 3 and positive terminals 6 respectively, then be electrically connected with amplifirer 5 by holding wire.After the positive terminals 6 of at least one loudspeaker 4 and negative terminals 7 are electrically connected by holding wire with the negative terminals 7 of another loudspeaker 4 and positive terminals 6 respectively, then be electrically connected with amplifirer 5 by holding wire.
Wherein, the bass horn 2 described in the embodiment of the present invention, mediant trumpet 3, loudspeaker 4 and amplifirer 5 are the common prior art in this area, and the embodiment of the present invention does not more specifically limit it at this.
The low distortion audio amplifier that the embodiment of the present invention provides, by to bass horn 2, the connection mode of mediant trumpet 3 and loudspeaker 4 adjusts, positive terminals 6 between having abandoned two of same model loudspeaker are electrically connected with positive terminals 6, the conventional link mode that negative terminals 7 are electrically connected with negative terminals 7, overcome technology prejudice all the time, by terminals 6 positive between two of same model loudspeaker are electrically connected with negative terminals 7, the audio amplifier formed can not only normal sounding, and by offsetting the diaphagras effectively having suppressed each loudspeaker in opposite directions, ensure that the tonequality high-fidelity of audio amplifier.Visible, the low distortion audio amplifier that the embodiment of the present invention provides, effectively can suppress diaphagras only by the connection mode changing loudspeaker, make tonequality rediscover, and its structure is simple, is convenient to large-scale promotion application.
As the first execution mode, for example, when above-mentioned bass horn 2, mediant trumpet 3 and loudspeaker 4 are 2, as shown in Figure 3, the positive terminals 6 of the first bass horn 201 are electrically connected with the negative terminals 7 of the second bass horn 202, then access amplifirer 5; The negative terminals 7 of the first bass horn 201 and the positive terminals 6 of the second bass horn 202 are electrically connected, and then access amplifirer 5.Similarly, the positive terminals 6 of the first mediant trumpet 301 are electrically connected with the negative terminals 7 of the second mediant trumpet 302, then access amplifirer 5; The negative terminals 7 of the first mediant trumpet 301 and the positive terminals 6 of the second mediant trumpet 302 are electrically connected, and then access amplifirer 5.The positive terminals 6 of the first loudspeaker 401 are electrically connected with the negative terminals 7 of the second loudspeaker 402, then access amplifirer 5; The negative terminals 7 of the first loudspeaker 401 and the positive terminals 6 of the second loudspeaker 402 are electrically connected, and then access amplifirer 5.
As the second execution mode, for example, when bass horn 2, mediant trumpet 3 and loudspeaker 4 are 3, as shown in Figure 4, the positive terminals 6 of the first bass horn 201 are optionally electrically connected with the negative terminals 7 of the second bass horn 202, and then be optionally electrically connected with the positive terminals 6 of the 3rd bass horn 203 or negative terminals 7, after this access amplifirer 5 again; The negative terminals 7 of the first bass horn 201 are optionally electrically connected with the positive terminals 6 of the second bass horn 202, and then are optionally electrically connected with the positive terminals 6 of the 3rd bass horn 203 or negative terminals 7, after this access amplifirer 5 again.Similarly, the positive terminals 6 of the first mediant trumpet 301 are optionally electrically connected with the negative terminals 7 of the second mediant trumpet 302, and then are optionally electrically connected with the positive terminals 6 of the 3rd mediant trumpet 303 or negative terminals 7, after this access amplifirer 5 again; The negative terminals 7 of the first mediant trumpet 301 are optionally electrically connected with the positive terminals 6 of the second mediant trumpet 302, and then are optionally electrically connected with the positive terminals 6 of the 3rd mediant trumpet 303 or negative terminals 7, after this access amplifirer 5 again.The positive terminals 6 of the first loudspeaker 401 are optionally electrically connected with the negative terminals 7 of the second loudspeaker 402, and then are optionally electrically connected with the positive terminals 6 of third high sound loudspeaker 403 or negative terminals 7, after this access amplifirer 5 again; The negative terminals 7 of the first loudspeaker 401 are optionally electrically connected with the positive terminals 6 of the second loudspeaker 402, and then are optionally electrically connected with the positive terminals 6 of third high sound loudspeaker 403 or negative terminals 7, after this access amplifirer 5 again.
Further, as the third execution mode, for example, when bass horn 2, mediant trumpet 3 and loudspeaker 4 are 4, as shown in Figure 5, the positive terminals 6 of the first bass horn 201 are optionally electrically connected with the negative terminals 7 of the second bass horn 202, after this access amplifirer 5 again, the positive terminals 6 of the 3rd bass horn 203 are electrically connected with the negative terminals 7 of the 4th bass horn 204, after this access amplifirer 5 again; The negative terminals 7 of the first bass horn 201 are electrically connected with the positive terminals 6 of the second bass horn 202, after this access amplifirer 5 again, and the negative terminals 7 of the 3rd bass horn 203 are electrically connected with the positive terminals 6 of the 4th bass horn 204, after this access amplifirer 5 again.Similarly, the positive terminals 6 of the first mediant trumpet 301 are optionally electrically connected with the negative terminals 7 of the second mediant trumpet 302, after this access amplifirer 5 again, the positive terminals 6 of the 3rd mediant trumpet 303 are electrically connected with the negative terminals 7 of the 4th mediant trumpet 304, after this access amplifirer 5 again; The negative terminals 7 of the first mediant trumpet 301 are electrically connected with the positive terminals 6 of the second mediant trumpet 302, after this access amplifirer 5 again, and the negative terminals 7 of the 3rd mediant trumpet 303 are electrically connected with the positive terminals 6 of the 4th mediant trumpet 304, after this access amplifirer 5 again.The positive terminals 6 of the first loudspeaker 401 are optionally electrically connected with the negative terminals 7 of the second loudspeaker 402, after this amplifirer 5 is accessed again, the positive terminals 6 of third high sound loudspeaker 403 are electrically connected with the negative terminals 7 of the 4th loudspeaker 404, after this access amplifirer 5 again; The negative terminals 7 of the first loudspeaker 401 are electrically connected with the positive terminals 6 of the second loudspeaker 402, after this access amplifirer 5 again, and the negative terminals 7 of third high sound loudspeaker 403 are electrically connected with the positive terminals 6 of the 4th loudspeaker 404, after this access amplifirer 5 again.In addition, each loudspeaker in above each situation are all electrically connected to the effect that amplifirer 5 can realize suppressing diaphagras after connecting.Wherein, in the process of access amplifirer 5, optionally can access the positive terminals of amplifirer 5 or negative terminals, the embodiment of the present invention does not more specifically limit it at this.
It will be understood by those skilled in the art that, when the quantity of bass horn 2, mediant trumpet 3 and loudspeaker 4 is more, only need to be electrically connected (i.e. reversal connection) with positive terminals 6 each other and negative terminals 7 between the loudspeaker of at least one pair of same model of As soon as possible Promising Policy, effectively can suppress the diaphagras phenomenon of audio amplifier, make its tonequality fidelity more.Wherein, the first bass (middle pitch, high pitch) loudspeaker described in the embodiment of the present invention, the second bass (middle pitch, high pitch) loudspeaker, the 3rd (middle pitch, high pitch) bass horn and the 4th (middle pitch, high pitch) bass horn 2 do not have special implication, it is only the effect with differentiation, above three all refers to the loudspeaker of same model in embodiments of the present invention, and the loudspeaker of same model refer to the size of loudspeaker herein, structure and audible frequency etc. be all consistent.
Further, the connection mode between the loudspeaker of each same model described in the embodiment of the present invention is applicable to the various audio amplifier in this area, such as vehicle-mounted sound box, domestic loudspeaker box etc., and can ensure that the tonequality of audio amplifier has hi-fi.
Particularly, in the audio amplifier described in the embodiment of the present invention, the structure of its housing 1 can be the common shape in this areas such as square, cylindricality, plate shaped or disc.Conveniently assembling or maintenance, housing 1 can be made up of the procapsid cooperatively interacted and back casing, or is made up of the upper shell cooperatively interacted and base.In order to put forward heat dispersion and the intensity of bass box, the material of housing 1 can adopt Al-alloy metal.In order to carry the acoustical quality of bass box, the material of housing 1 can also adopt wooden.In order to fall the cost of high audio amplifier, the material of housing 1 can adopt plastics.Be understandable that, the material of housing 1 also can select other known materials that this area audio amplifier is conventional.
Further, according to the horn structure of each model, can multiple loudspeaker erecting bed be set on housing 1, to make solid and reliable being fixed on housing 1 of loudspeaker, avoids producing vibration in voiced process, reduce noise.Preferably, the quieter material layer of one deck high damping can be coated with on the inwall of housing 1, thus play the effect of damping and reduction noise, ensure that tonequality is truer further.
Particularly, as preferably, in the low distortion audio amplifier that the embodiment of the present invention provides, illustrate with square casing 1, amplifirer 5 is arranged on the middle part of housing 1 front end face, the both sides of amplifirer 5 are all disposed with bass horn 2, mediant trumpet 3 and loudspeaker 4, are positioned at the bass horn 2 of amplifirer 5 both sides, mediant trumpet 3 and loudspeaker 4 symmetrical.Namely be positioned at the bass horn 2 of the same side, mediant trumpet 3 and loudspeaker 4 to be arranged to side end straight line by the middle part of housing 1 successively, so arrange, effectively can strengthen sound field sense, stereovision and location sense, make sound field open, improve the audio quality exported.
Particularly, as preferably, in the low distortion audio amplifier that the embodiment of the present invention provides, housing 1 is provided with audio input port and audio output port.Wherein, audio input port and sound source output equipment, such as TV, computer, DVD etc. are electrically connected, so that put outside sound sound source output equipment being carried out to matter.And audio output port is electrically connected with amplifirer 5, so that audio signal is sent to amplifirer 5 to carry out amplification to promote sound horn.
Further, infrared remote receiver can also be set on housing 1, for receiving the control signal that audio amplifier remote controller is launched, so that controlled the running of audio amplifier by audio amplifier remote controller.Can also the display screen matched with infrared remote receiver be set on housing 1, so that carry out function selection according to the indicating status of display screen to audio amplifier.Stereo sound input interface can also be set on housing 1 so that and mainstream multimedia player, such as the equipment such as MP3, MP4 or music phone is electrically connected, with realize source of sound reset.Be understandable that, the above all parts that housing 1 is arranged all by audio amplifier in the control of CPU control element.
The foregoing is only preferred embodiment of the present invention, not in order to limit the scope of the invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a low distortion audio amplifier, comprise: housing, the loudspeaker being arranged at least one pair of same model on described housing forward end face, the mediant trumpet of at least one pair of same model, the bass horn of at least one pair of same model and amplifirer, it is characterized in that, after the positive terminals of loudspeaker described at least one and negative terminals are electrically connected by holding wire with the negative terminals of loudspeaker described in another and positive terminals respectively, then be electrically connected with described amplifirer by holding wire;
After the positive terminals of mediant trumpet described at least one and negative terminals are electrically connected by holding wire with the negative terminals of mediant trumpet described in another and positive terminals respectively, then be electrically connected with described amplifirer by holding wire;
After the positive terminals of bass horn described at least one and negative terminals are electrically connected by holding wire with the negative terminals of bass horn described in another and positive terminals respectively, then be electrically connected with described amplifirer by holding wire.
2. audio amplifier according to claim 1, it is characterized in that, described amplifirer is arranged on the middle part in described housing forward end face, the both sides of described amplifirer are all disposed with described bass horn, described mediant trumpet and described loudspeaker, are positioned at the described bass horn of described amplifirer both sides, described mediant trumpet and described loudspeaker symmetrical.
3. audio amplifier according to claim 1, is characterized in that, described housing is provided with audio input port and audio output port, and described audio input port is electrically connected with sound source output equipment, and described audio output port is electrically connected with described amplifirer.
4. audio amplifier according to claim 1, is characterized in that, described housing is provided with infrared remote receiver, for receiving the control signal that audio amplifier remote controller is launched.
5. audio amplifier according to claim 1, is characterized in that, the inwall of described housing is coated with the quieter material layer of one deck high damping.
6. audio amplifier according to claim 1, is characterized in that, the material of described housing is aluminium alloy, wooden or plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510763351.2A CN105430561A (en) | 2015-11-10 | 2015-11-10 | Low-distortion sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510763351.2A CN105430561A (en) | 2015-11-10 | 2015-11-10 | Low-distortion sound box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105430561A true CN105430561A (en) | 2016-03-23 |
Family
ID=55508442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510763351.2A Pending CN105430561A (en) | 2015-11-10 | 2015-11-10 | Low-distortion sound box |
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| Country | Link |
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| CN (1) | CN105430561A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107864438A (en) * | 2017-11-22 | 2018-03-30 | 温州勇炜汽摩零部件有限公司 | A kind of automatic control multitone horn |
| CN109479171A (en) * | 2016-07-11 | 2019-03-15 | 松下知识产权经营株式会社 | speaker unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201001196Y (en) * | 2007-04-24 | 2008-01-02 | 王克芹 | Dual-woofer bass speaker |
| CN202713578U (en) * | 2012-07-03 | 2013-01-30 | 郑全录 | Double-loudspeaker symmetrical sound box |
| CN203057453U (en) * | 2013-01-21 | 2013-07-10 | 东莞市漫步者数码科技有限公司 | Vehicle-mounted supper-bass sound box |
| WO2015164498A1 (en) * | 2014-04-23 | 2015-10-29 | Collins William E | Phase-unified loudspeakers: series crossovers |
-
2015
- 2015-11-10 CN CN201510763351.2A patent/CN105430561A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201001196Y (en) * | 2007-04-24 | 2008-01-02 | 王克芹 | Dual-woofer bass speaker |
| CN202713578U (en) * | 2012-07-03 | 2013-01-30 | 郑全录 | Double-loudspeaker symmetrical sound box |
| CN203057453U (en) * | 2013-01-21 | 2013-07-10 | 东莞市漫步者数码科技有限公司 | Vehicle-mounted supper-bass sound box |
| WO2015164498A1 (en) * | 2014-04-23 | 2015-10-29 | Collins William E | Phase-unified loudspeakers: series crossovers |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109479171A (en) * | 2016-07-11 | 2019-03-15 | 松下知识产权经营株式会社 | speaker unit |
| US10856061B2 (en) | 2016-07-11 | 2020-12-01 | Panasonic Intellectual Property Management Co., Ltd. | Speaker device |
| CN107864438A (en) * | 2017-11-22 | 2018-03-30 | 温州勇炜汽摩零部件有限公司 | A kind of automatic control multitone horn |
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Application publication date: 20160323 |