CN107426645B - Multifunctional sound box - Google Patents
Multifunctional sound box Download PDFInfo
- Publication number
- CN107426645B CN107426645B CN201710723145.8A CN201710723145A CN107426645B CN 107426645 B CN107426645 B CN 107426645B CN 201710723145 A CN201710723145 A CN 201710723145A CN 107426645 B CN107426645 B CN 107426645B
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- main board
- led lamp
- function
- pcb main
- sound box
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- 239000011324 bead Substances 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 239000000741 silica gel Substances 0.000 claims description 20
- 229910002027 silica gel Inorganic materials 0.000 claims description 20
- 238000005286 illumination Methods 0.000 claims description 11
- 230000001502 supplementing effect Effects 0.000 claims description 7
- 230000033764 rhythmic process Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 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
Abstract
The invention relates to a multifunctional sound box which comprises a bottom shell, a face shell, a PCB main board, a loudspeaker and an LED lamp panel, wherein the bottom shell is of a cuboid groove body structure, an LED lamp bead array is arranged on the LED lamp panel, and the face shell fixedly packages the PCB main board, the loudspeaker and the LED lamp panel in the groove body of the bottom shell; a key is also arranged on the PCB main board; the PCB main board is respectively electrically connected with the loudspeaker and the LED lamp panel, and different working modes can be selected by controlling the PCB main board through keys. The invention mainly comprises a PCB main board, a loudspeaker and an LED lamp board, wherein the loudspeaker is controlled by the PCB main board to realize the basic music playing function, and further, different working modes can be selected through keys, so that the PCB main board is controlled to realize various functions such as lighting function, displaying specific fonts and the like.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to a multifunctional sound box.
Background
There are many portable audio amplifier on the market, and portable audio amplifier has small in size, and the low advantage of consumption makes things convenient for people to use when carrying out outdoor exercises. On the other hand, with the development of economy and society, people pay more and more attention to health, and outdoor exercises gradually become a new life style for human entertainment, recreation and life quality improvement.
The portable loudspeaker provided by the prior art is single in function and cannot meet various requirements possibly met by people in outdoor exercises. For example, the light of a common portable sound box plays a role in indicating, the lighting effect cannot be achieved, and a specific font cannot be displayed through the light.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the multifunctional sound box which has the advantage of perfect functions.
The technical scheme for solving the technical problems is as follows: the multifunctional sound box comprises a bottom shell, a face shell, a PCB main board, a loudspeaker and an LED lamp panel, wherein the bottom shell is of a cuboid groove body structure, an LED lamp bead array is arranged on the LED lamp panel, and the face shell fixedly packages the PCB main board, the loudspeaker and the LED lamp panel in the groove body of the bottom shell; the face shell is provided with a plurality of small holes, and the small holes are used for transmitting sound and light;
a key is further arranged on the PCB main board, and a through hole corresponding to the key is arranged on the side surface of the bottom shell; the keys are silica gel keys, so that the hand feeling is better;
the PCB main board is respectively electrically connected with the loudspeaker and the LED lamp panel, and different working modes can be selected by controlling the PCB main board through keys.
The beneficial effects of adopting above-mentioned scheme are: the invention mainly comprises a PCB main board, a loudspeaker and an LED lamp board, wherein the loudspeaker is controlled by the PCB main board to realize the basic music playing function, and further, different working modes can be selected through keys, so that the PCB main board is controlled to realize various functions such as lighting function, displaying specific fonts and the like.
Further, a DC OUT interface and a DC IN interface are further arranged on the PCB main board, and through holes corresponding to the DC OUT interface and the DC IN interface are formed IN the side face of the bottom shell; the DC OUT interface adopts a USB interface; the multifunctional sound box can be charged through the DC IN interface, electric energy can be provided for normal operation, the electric energy can be stored, and mobile equipment can be charged IN emergency.
Further, a silica gel baffle is arranged on the side face of the bottom shell, and the silica gel baffle is arranged outside the DCOUT interface and the DC IN interface; the silica gel separation blade has the advantage of easily recovering the original shape after warping, is equipped with the silica gel separation blade outside DC OUT interface and DC IN interface, avoids the direct exposure of interface through simple structure, realizes dustproof and protection's effect.
Further, a transparent plate is arranged between the LED lamp panel and the panel; because this multi-functional audio amplifier is applicable to outdoor scene more, inevitably has the risk of raining, through set up the transparent plate between LED lamp plate and panel, just can isolate LED lamp plate and external environment, realize waterproof function.
Further, a display screen is further arranged on the PCB main board, a display lens is arranged on the side face of the bottom shell, and the display lens is arranged outside the display screen; because the multifunctional sound box has a plurality of different working modes, specific information can be displayed through the display screen in the process of key operation; and the display lens plays a role in protecting the display screen.
Further, the device also comprises a battery pressing plate and a battery, wherein the battery pressing plate is arranged on the PCB main board, and the battery is fixedly arranged among the battery pressing plate, the PCB main board (3) and the bottom shell; the battery pressing plate is arranged, so that the battery can be better fixed in the bottom shell.
Further, a mounting hole is formed in the bottom of the bottom shell, the face shell is mounted on the bottom shell through the mounting hole and a screw, and a silica gel plug is further arranged in the mounting hole; when the multifunctional sound box is horizontally placed, the silica gel plug has a good anti-slip function, and the silica gel plug is prevented from being dropped carelessly.
Further, the bottom shell is also provided with a rope hanging hole, so that the portable umbrella is convenient to carry.
Further, a gyroscope sensor is further arranged on the PCB main board, and a user can feel that the multifunctional sound box is rocked through the gyroscope sensor, so that the function of the fluorescent rod is achieved.
Further, a positioning block is arranged on the inner side surface of the bottom shell, a groove corresponding to the positioning block is formed in the PCB main board, and the PCB main board is installed on the bottom shell through corresponding insertion connection of the positioning block and the groove.
Further, the working modes comprise a fluorescent stick mode, an alarm clock mode, a timing mode, a font mode, a warning lamp mode, a lighting mode and a charging mode, different modes can be selected through keys, and the fluorescent stick mode can be started by shaking the multifunctional sound box; the mode is preset and stored in the PCB main board (3), and only needs to be directly called;
the fluorescent rod mode is that when a user shakes, the LED lamp panel simulates a fluorescent rod and emits softer light;
the alarm clock mode rings when a specific time point is reached;
the font mode is that fonts such as I LOVE YOU and SOS are formed through an LED lamp bead array in an LED lamp panel;
the warning lamp mode is that when a user rides, the multifunctional sound box is placed behind a bicycle, the LED lamp panel simulates the automobile tail lamp to emit red light, and other traffic participants are reminded;
the illumination mode is that when the ambient light is insufficient, all LED lamp beads in the LED lamp bead array are lightened, and illumination light with higher power is provided;
the charging mode may be an emergency situation in which the mobile device may be charged.
Further, this multi-functional audio amplifier still includes bluetooth device, bluetooth device links to each other with the PCB mainboard, realizes bluetooth audio amplifier's function.
Further, the keys are provided with five keys, namely an up key, a pause key, a down key, a mode selection key and a power key.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a multifunctional sound box according to the present invention;
fig. 2 is a schematic diagram of the overall structure of a multifunctional sound box according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1 bottom shell, 11 silica gel plugs, 12 rope hanging holes, 13 positioning blocks, 2 surface shells, 3PCB main boards, 31 keys, 32DC OUT interfaces, 33DC IN interfaces, 34 silica gel baffle sheets, 35 grooves, 4 horns, 5LED lamp panels, 6 transparent plates, 7 display screens, 71 display lenses, 8 battery pressing plates and 9 batteries
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 and fig. 2, fig. 1 is a schematic diagram of an internal structure of a multifunctional sound box according to the present invention, and fig. 2 is a schematic diagram of an overall structure of a multifunctional sound box according to the present invention. The multifunctional sound box comprises a bottom shell 1, a face shell 2, a PCB main board 3, a loudspeaker 4 and an LED lamp panel 5, wherein the bottom shell 1 is of a cuboid groove body structure, an LED lamp bead array is arranged on the LED lamp panel 5, and the face shell 2 fixedly packages the PCB main board 3, the loudspeaker 4 and the LED lamp panel 5 in the groove body of the bottom shell 1; the face shell 2 is provided with a plurality of small holes, and the small holes are used for transmitting sound and light; specifically, two speakers 4 are provided and are respectively arranged at two ends of the bottom shell 1; the LED lamp bead array comprises 26 LED lamp beads, the power of each LED lamp bead is 0.3W, the total power of the whole LED lamp bead array is 5.2W, and compared with 3W of a common product, the light of the multifunctional sound box can achieve the lighting effect; in addition, according to different working modes, the corresponding LED lamp beads are controlled to be lightened, so that the lighting requirements under the fluorescent rod mode, the alarm clock mode, the timing mode, the font mode, the warning lamp mode, the illumination mode and the charging mode can be realized.
A key 31 is further arranged on the PCB main board 3, and a through hole corresponding to the key 31 is arranged on the side surface of the bottom shell 1; the key 31 is a silica gel key 31, so that the hand feeling is better; the keys 31 are provided with five keys, which are an up key, a pause key, a down key, a mode selection key, and a power key, respectively.
The PCB main board 3 is electrically connected with the loudspeaker 4 and the LED lamp panel 5 respectively, and different working modes can be selected by controlling the PCB main board 3 through the keys 31.
The invention mainly comprises a PCB main board 3, a loudspeaker 4 and an LED lamp panel 5, wherein the loudspeaker 4 is controlled by the PCB main board 3 to realize the basic music playing function, and further, different working modes can be selected by the key 31, so that the PCB main board 3 is controlled to realize various functions such as lighting function, displaying specific fonts and the like.
The PCB main board 3 is also provided with a DC OUT interface 32 and a DC IN interface 33, and the side surface of the bottom shell 1 is provided with through holes corresponding to the DC OUT interface 32 and the DC IN interface 33; the DC OUT interface 32 adopts a USB interface; the multifunctional sound box can be charged through the DC IN interface 33 to provide electric energy for normal operation, and the electric energy can be stored, so that the mobile equipment can be charged IN emergency.
The side surface of the bottom shell 1 is provided with a silica gel baffle 34, and the silica gel baffle 34 is arranged outside the DC OUT interface 32 and the DC IN interface 33; the silica gel separation blade 34 has the advantage of easily recovering the original shape after the deformation, and the silica gel separation blade 34 is arranged outside the DC OUT interface 32 and the DC IN interface 33, and the direct exposure of the interfaces is avoided through a simple structure, so that the dustproof and protective effects are realized.
A transparent plate 6 is arranged between the LED lamp panel 5 and the face shell 2; because this multi-functional audio amplifier is applicable to outdoor scene more, inevitably has the risk of raining, through setting up transparent plate 6 between LED lamp plate 5 and face-piece 2, just can isolate LED lamp plate 5 and external environment, realizes waterproof function.
The PCB main board 3 is also provided with a display screen 7, the side surface of the bottom shell 1 is provided with a display lens 71, and the display lens 71 is arranged outside the display screen 7; because the multifunctional sound box has a plurality of different working modes, specific information can be displayed through the display screen 7 in the process of operating through the keys 31; and the display lens 71 plays a role of protecting the display screen 7.
The multifunctional sound box further comprises a battery pressing plate 8 and a battery 9, wherein the battery pressing plate 8 is arranged on the PCB main board 3, and the battery 9 is fixedly arranged among the battery pressing plate 8, the PCB main board (3) and the bottom shell 1; the battery pressing plate 8 is arranged, so that the battery 9 can be better fixed in the bottom shell 1, shaking of internal devices is avoided, and the reliability of products is improved.
The bottom of the bottom shell 1 is provided with a mounting hole, the face shell 2 is mounted on the bottom shell 1 through the mounting hole and a screw, and a silica gel plug 11 is further arranged in the mounting hole; when the multifunctional sound box is horizontally placed, the silica gel plug 11 has a good anti-slip function and prevents the user from falling down carelessly.
The bottom shell 1 is also provided with a rope hanging hole 12, so that the portable multifunctional rope is convenient to carry.
The PCB main board 3 is also provided with a gyroscope sensor, and a user can feel that the multifunctional sound box is rocked through the gyroscope sensor, so that the function of a fluorescent rod is realized.
The locating piece 13 is arranged on the inner side surface of the bottom shell 1, the groove 35 corresponding to the locating piece 13 is formed in the PCB main board 3, and the locating piece 13 of the bottom shell 1 and the groove 35 of the PCB main board 3 are matched with each other so as to better install the PCB main board 3 and the bottom shell 1, and further avoid faults caused by shaking of internal devices.
The working modes comprise a fluorescent stick mode, an alarm clock mode, a timing mode, a font mode, a warning lamp mode, an illumination mode and a charging mode, different modes can be selected through the key 31, and the fluorescent stick mode can be started by shaking the multifunctional sound box; the mode is preset and stored in the PCB main board (3), and only needs to be directly called;
the fluorescent rod mode is that when a user shakes, the LED lamp panel 5 simulates a fluorescent rod and emits softer light; further, the special fonts can be displayed when the multifunctional sound box is rocked;
the alarm clock mode is that the alarm clock will ring when reaching a specific time point, and meanwhile, the lamp lights flash and music rhythm exists;
the font mode is that fonts such as I LOVE YOU and SOS are formed through an LED lamp bead array in the LED lamp panel 5;
the warning lamp mode is that when a user rides or the automobile breaks down on the road, the multifunctional sound box is placed behind the automobile, the LED lamp panel 5 simulates the automobile tail lamp to emit red light, and other traffic participants are reminded;
the illumination mode is that when the ambient light is insufficient, all LED lamp beads in the LED lamp bead array are lightened, and illumination light with higher power is provided;
the charging mode may be an emergency situation in which the mobile device may be charged.
In addition, when music is played through the multifunctional sound box, the mode of the tens of magic color lamp beads can be changed, and when the music is played, the lamp light can flash according to the rhythm;
preferably, the multifunctional sound box further comprises a Bluetooth device, and the Bluetooth device is connected with the PCB main board 3 to realize the function of the Bluetooth sound box.
In general, the multifunctional sound box comprises the following functions:
the sound function is that songs are played through the Bluetooth connection mobile phone, and the songs can be directly played through the USB flash disk;
an alarm clock function, wherein the light flashes when the alarm clock rings;
the timer function is adjusted, and after the timer function is adjusted, the product is rocked when one time of timing is finished, so that the countdown time of two minutes can be increased each time, and the product is suitable for body building;
the illumination function has three light rays which can be adjusted to respectively achieve illumination intensities of 2W, 5W and 8W;
the fluorescent rod function can emit three fluorescent rod modes of full white light, an I LOVE YOU font and an SOS font under the mode of the fluorescent rod function; in the fluorescent rod mode, the I LOVE YOU font can be colored, each letter is composed of lamplight with different colors, and the SOS font is composed of full orange lamplight and can be used for asking for help;
the light supplementing function is provided with seven light supplementing colors, and can automatically select color light supplementing according to the environment when a user self-timer;
the gravity sensing function can emit lamplight flowing according to the direction according to the prescription direction of the product;
the multicolor lamp light function can emit colorful flowing lamp light by using 5050 multicolor lamp beads;
the riding warning function is used for emitting warning light when a riding mode is used, white light flicker appears at two ends, and orange multicolor light flows in the middle;
the warning function is used for emitting a half red and half blue flashing light to prompt people in a warning mode;
music rhythm function, which is started when playing songs, the light can change color according to the intensity of sound;
the time function, the product has time display, and the time can be manually adjusted;
in the fluorescent bar mode, the fonts I LOVE YOU are colored, each font is composed of different colored lights,
and when the user plays the mobile phone outdoors and does not have electricity, the mobile device such as the mobile phone tablet can be charged with the emergency charging function.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. A multifunctional sound box, which is characterized in that: the LED lamp comprises a bottom shell (1), a face shell (2), a PCB main board (3), a loudspeaker (4) and an LED lamp panel (5), wherein the bottom shell (1) is of a cuboid groove body structure, an LED lamp bead array is arranged on the LED lamp panel (5), and the face shell (2) fixedly packages the PCB main board (3), the loudspeaker (4) and the LED lamp panel (5) in a groove body of the bottom shell (1);
a key (31) is arranged on the face shell (2), and the PCB main board is electrically connected with the key (31);
the PCB main board (3) is respectively electrically connected with the loudspeaker (4) and the LED lamp panel (5), and different working modes can be selected by controlling the PCB main board (3) through the keys (31);
a display screen (7) is further arranged on the PCB main board (3), a display lens (71) is arranged on the side face of the bottom shell (1), and the display lens (71) is arranged outside the display screen (7); a gyroscope sensor is further arranged on the PCB main board (3);
the working modes comprise: fluorescent stick mode, alarm clock mode, timing mode, font mode, warning light mode, illumination mode and charging mode;
fluorescent rod mode: the LED lamp panel (5) simulates a fluorescent rod and emits soft light;
alarm clock mode: ringing at a specific time point, and simultaneously flashing lamplight and rhythming;
font mode: forming 'I LOVE YOU' and 'SOS' fonts through an LED lamp bead array in the LED lamp panel (5);
warning light mode: when a user rides or the automobile breaks down on the road, the multifunctional sound box is placed behind the automobile, and the LED lamp panel (5) simulates the automobile tail lamp to emit red light so as to remind other traffic participants;
illumination mode: three light rays are provided for adjustment to respectively reach illumination intensities of 2W, 5W and 8W;
charging mode: when the user plays the mobile device outdoors and does not have electricity, the product can be used for emergently charging the mobile device;
the multifunctional sound box further comprises the following functions: sound function, light supplementing function, gravity sensing function, illusion-color light function, music rhythm function, time display function and timing function;
acoustic function: the multifunctional sound box comprises a Bluetooth device, and the Bluetooth device is connected with the PCB main board (3) to realize the function of the Bluetooth sound box; the multifunctional sound box is connected with the mobile phone through Bluetooth to play songs, or is directly inserted into the U disk to play songs;
light supplementing function: setting seven light supplementing colors, and selecting color light supplementing according to the environment when a user self-timer;
gravity sensing function: according to the direction of the product, the lamplight flowing according to the direction is emitted;
magic color lamp light function: using 5050 magical color lamp beads to emit dazzling magical color flowing lamplight;
music rhythm function: when songs are played, the music rhythm function is started, and the lamplight changes colors according to the intensity of sound;
time display function: the time display is carried out, and the time can be manually adjusted;
timing function: the product is rocked when one time counting is completed, and the countdown time is increased by two minutes each time.
2. A multi-functional sound box according to claim 1, characterized in that: the PCB main board (3) is also provided with a DC OUT interface (32) and a DC IN interface (33) for charging, and the DC OUT interface (32) and the DC IN interface (33) are electrically connected with the PCB main board (3).
3. A multi-functional sound box according to claim 2, characterized in that: the side of drain pan (1) is provided with silica gel separation blade (34), silica gel separation blade (34) set up outside DC OUT interface (32) and DC IN interface (33).
4. A multi-functional sound box according to claim 1, characterized in that: a transparent plate (6) is arranged between the LED lamp panel (5) and the face shell (2).
5. A multi-functional sound box according to claim 1, characterized in that: still include battery clamp plate (8) and battery (9), battery clamp plate (8) are installed on PCB mainboard (3), battery (9) are fixed to be set up between battery clamp plate (8), PCB mainboard (3) and drain pan (1), battery (9) are connected and are the power supply of PCB mainboard (3) with PCB mainboard (3) electricity.
6. A multi-functional sound box according to claim 1, characterized in that: the bottom of the bottom shell (1) is provided with a mounting hole, the face shell (2) is mounted on the bottom shell (1) through the mounting hole and a screw, and a silica gel plug (11) is further arranged in the mounting hole.
7. A multi-functional sound box according to claim 1, characterized in that: the bottom shell (1) is also provided with a rope hanging hole (12).
8. A multi-functional sound box according to any one of claims 1-7, characterized in that: the PCB main board (3) is installed on the bottom shell (1) through corresponding grafting of the locating block (13) and the groove (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723145.8A CN107426645B (en) | 2017-08-22 | 2017-08-22 | Multifunctional sound box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723145.8A CN107426645B (en) | 2017-08-22 | 2017-08-22 | Multifunctional sound box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107426645A CN107426645A (en) | 2017-12-01 |
| CN107426645B true CN107426645B (en) | 2024-02-23 |
Family
ID=60434281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710723145.8A Active CN107426645B (en) | 2017-08-22 | 2017-08-22 | Multifunctional sound box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107426645B (en) |
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| JP2002203401A (en) * | 2000-12-28 | 2002-07-19 | Microstone Corp | Light with motion sensing function |
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| CN205160726U (en) * | 2015-11-05 | 2016-04-13 | 王家发 | Bluetooth player |
| CN205320227U (en) * | 2016-01-30 | 2016-06-15 | 侯永国 | Portable sound box |
| CN206260077U (en) * | 2016-12-12 | 2017-06-16 | 惠州市捷美斯科技有限公司 | A kind of audio amplifier |
| CN207039869U (en) * | 2017-08-22 | 2018-02-23 | 深圳闪闪亮亮科技有限公司 | A kind of multifunctional sound box |
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2017
- 2017-08-22 CN CN201710723145.8A patent/CN107426645B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11252671A (en) * | 1998-03-04 | 1999-09-17 | Victor Co Of Japan Ltd | Illumination display in audio equipment |
| US6404409B1 (en) * | 1999-02-12 | 2002-06-11 | Dennis J. Solomon | Visual special effects display device |
| JP2002203401A (en) * | 2000-12-28 | 2002-07-19 | Microstone Corp | Light with motion sensing function |
| CN203840483U (en) * | 2014-03-31 | 2014-09-17 | 张斌 | Colorful light sound box structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107426645A (en) | 2017-12-01 |
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