WO2015027500A1 - Mini haut-parleur - Google Patents

Mini haut-parleur Download PDF

Info

Publication number
WO2015027500A1
WO2015027500A1 PCT/CN2013/082747 CN2013082747W WO2015027500A1 WO 2015027500 A1 WO2015027500 A1 WO 2015027500A1 CN 2013082747 W CN2013082747 W CN 2013082747W WO 2015027500 A1 WO2015027500 A1 WO 2015027500A1
Authority
WO
WIPO (PCT)
Prior art keywords
memory card
interface
hole
circuit board
mini
Prior art date
Application number
PCT/CN2013/082747
Other languages
English (en)
Chinese (zh)
Inventor
刘骏涛
Original Assignee
Liu Juntao
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Liu Juntao filed Critical Liu Juntao
Publication of WO2015027500A1 publication Critical patent/WO2015027500A1/fr

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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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/028—Structural combinations of loudspeakers with built-in power amplifiers, e.g. in the same acoustic enclosure

Definitions

  • the present invention relates to the field of audio and, more particularly, to a mini stereo. ⁇ Background technique ⁇
  • I have designed a mini stereo comprising a body having a first opening and a second opening at each end, a cover enclosing the first opening, and a face shell closing the second opening;
  • the invention comprises a vibrating membrane disposed inside the main body, a horn fixed on the cover plate by glue, and a circuit board fixed to the inner surface of the surface shell by screws, wherein the mini stereo further comprises a diaphragm fixing frame,
  • the shape of the diaphragm fixing frame is adapted to the shape of the main body, and the diaphragm fixing frame is fixed in the main body by glue, and the diaphragm fixing frame is provided with the shape of the diaphragm a vibrating membrane avoiding hole, wherein the vibrating membrane is fixed at a position corresponding to the vibrating membrane avoiding hole of the vibrating membrane fixing frame;
  • the circuit board and the horn are connected by a wire,
  • the diaphragm fixing frame is provided with a wire avoiding hole adapted to the shape of
  • a first escaping jack and a second escaping jack adapted to the shape of the u disk interface, wherein the main body is provided with a u disk jack, a usb jack and a headphone jack; the circuit board is further disposed There are corresponding function keys.
  • This program is open. Since the u disk interface and the u disk reading module are provided on the circuit board, the mini audio can play music in the u disk. However, if the user is outdoors and there is no u disk, the user cannot listen to music using the mini stereo.
  • a mini speaker comprising a face shell and a circuit board fixed on the face shell, the circuit board being provided with a memory card interface and a memory card reading module .
  • the circuit board is further provided with a usb interface, an audio output hole, and a u disk interface and corresponding function modules respectively; the audio output hole and the u disk interface are arranged side by side, and the memory card interface is The usb interface and the audio output hole are opposite in position; the memory card interface and the usb interface and the audio output hole are respectively located on opposite sides of the circuit board. This is the specific setting of the memory card interface.
  • the memory card interface is located on a surface where the circuit board directly contacts the surface shell.
  • a screw hole is arranged on the circuit board, and a screw hole column is arranged on the surface shell, and the circuit board is fixed on the surface shell by screws. After the circuit board is fixed on the surface shell, the surface shell and the circuit board have a certain thickness. The height of the memory card interface is small, and it is placed between the circuit board and the face shell, so that the space inside the mini speaker can be fully utilized.
  • the mini speaker further includes a main body provided with a first opening and a second opening at two ends, the surface case being fixed at the second opening of the main body; a second insertion portion having a downwardly protruding outer circumference equal to an inner width of the main body, the width of the surface shell being equal to a width of the main body, the surface shell being inserted and fixed at a second opening of the main body;
  • the second insertion portion is provided with a first avoidance hole corresponding to the shape of the usb interface and the audio output hole and the memory card interface; the second insertion portion further includes a shape of the interface with the u disk A suitable second escape hole. In this way, the usb interface, the audio output hole, the memory card interface, and the u disk interface can function.
  • the mini speaker further includes a memory card cover that is adapted to the shape of the memory card interface. It can prevent the damage of the memory card interface caused by the user inserting the memory card.
  • the memory card protection cover has a long strip shape, and the memory card protection cover is internally provided with a memory card escape hole that cooperates with the memory card interface. This is the specific structure of the memory card cover.
  • the memory card protection cover is fixed at the first escape hole; the height of the outer portion of the memory card cover is equal to the shortest distance from the edge of the first escape hole to the root of the usb interface
  • the length of the first escape hole is greater than the length of the memory card interface, and the length of the first escape hole is greater than or equal to the length of the outer portion of the memory card cover. Only in this way can the memory card cover be placed at the first escape hole corresponding to the memory card interface, so that the memory card cover functions to protect the memory card interface.
  • the length of the first escape hole is equal to the length of the outer portion of the memory card cover, and the thickness of the memory card cover is equal to the distance from the edge of the circuit board to the outer side of the second insertion portion. In this way, the memory card cover will not shake left and right after being fixed.
  • the first escape hole is flush with the root of the second insertion portion.
  • the memory card cover can be set as large as possible, so that when the assembly is convenient, the memory card cover is fixed.
  • the thickness of the two sides of the memory card protection cover is equal to the shortest distance between the inner side of the memory card and the root of the first escape hole.
  • This memory card cover is optimal for protection.
  • the invention has a memory card interface and a memory card module arranged on the circuit board of the mini stereo.
  • the mini stereo works normally, the memory card is inserted, and the mini stereo can play the music stored inside the memory card, so that even if there is no u disk in the outdoor You can also play music from the memory card with a mini stereo.
  • FIG. 1 is a schematic overall view of a mini stereo according to an embodiment of the present invention.
  • FIG. 2 is a schematic overall view of another perspective view of the mini stereo according to the embodiment of the present invention.
  • FIG. 3 is a schematic exploded view of components of a mini stereo according to an embodiment of the present invention.
  • FIG. 4 is a schematic overall view of a main body of an embodiment of the present invention.
  • Figure 5 is a schematic diagram of a rabi in the embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a Laban network according to an embodiment of the present invention.
  • Figure 7 is a schematic view of the back of the cover of the embodiment of the present invention.
  • Figure 8 is a front elevational view of the cover of the embodiment of the present invention.
  • 9 is a schematic view showing the assembly of a face shell and a button protection case according to an embodiment of the present invention.
  • 10 is a schematic view showing the assembly of a face shell and a lens according to an embodiment of the present invention.
  • FIG. 11 is a schematic view showing the assembly of a circuit board and a face shell according to an embodiment of the present invention.
  • Figure 12 is a schematic view of a switch protection case according to an embodiment of the present invention.
  • Figure 13 is a schematic illustration of a key protection case in accordance with an embodiment of the present invention.
  • a mini speaker includes a face shell and a circuit board fixed to the face shell, and the circuit board is provided with a memory card interface and a memory card reading module.
  • the invention has a memory card interface and a memory card module arranged on the circuit board of the mini stereo.
  • the mini speaker 1 includes a housing, a speaker 7 fixed inside the housing, a battery 12, a circuit board 11, and a diaphragm 5 fixed between the speaker 7 and the circuit board 11.
  • the housing includes a main body 2 provided with a first opening 21 and a second opening 22 at both ends, a cover plate fixed at the first opening 21, and a face shell fixed at the second opening 22.
  • the inside of the main body 2 is hollow
  • Mini stereo 1 also includes a fixed diaphragm
  • the vibrating membrane of the 5 is fixed to the frame 6.
  • the main body 2 has a square shape, and the main body 2 has the same length and width.
  • the vibrating membrane 5 is fixed to the vibrating membrane fixing frame 6 with glue, and the vibrating membrane fixing frame 6 is closely fitted with the main body, and is fixed to the inside of the main body 2 by glue.
  • a wire escaping hole is provided in the diaphragm fixing frame 6, so that the wire can be fixed to the frame 6 through the diaphragm.
  • the shape of the face shell 4 is adapted to the shape of the main body 2, and is formed in a square shape, and the length and width of the face shell 4 are also equal to the length of the main body 2.
  • One side of the face shell 4 is provided with a second insertion portion 41 which has a downwardly projecting outer circumference equal to the inner distance of the main body 2, and the face shell 4 is inserted and fixed at the second opening 22 of the main body 2.
  • the face of the face shell 4 provided with the second insertion portion 41 is defined as the back surface of the face shell 4, and the face opposite to the back surface of the face shell 4 is defined as the front face of the face shell 4.
  • the shape and face of the circuit board 11 The circuit board 11 is provided with screw holes.
  • the back surface of the face shell 4 is provided with a screw hole post 42 projecting rearward, and the circuit board 11 is screwed to the face shell 4.
  • the width of the circuit board 11 is equal to the distance between the second insertion portions 41, and the screw holes are located at the edge of the circuit board 11, and the screw hole posts 42 are located in the second insertion portion 42 and are opposite to the positions of the screw holes;
  • the height of the portion 41 is equal to the sum of the heights of the screw post 42 and the circuit board 11.
  • the mini stereo 1 also includes a usb data cable that communicates with the computer.
  • the mini stereo 1 has the function of playing songs on the u disk and the memory card, and the mini stereo can also be used as a radio when the headphones are plugged in.
  • the USB interface, the u disk interface, the memory card interface and the audio output hole are arranged on the circuit board, and correspondingly, the function module circuit corresponding to the function is also disposed on the circuit board.
  • the usb interface, the u disk interface, the memory card interface and the audio output hole are located on one side of the circuit board, and the usb interface and the audio output hole are arranged side by side on one side of the circuit board, and the position of the memory card interface and the u disk interface and the audio output hole are provided.
  • the memory card interface is placed on the face where the board is in direct contact with the faceplate.
  • the surface on which the circuit board is provided with the u disk interface and the audio output hole is defined as the front side of the circuit board, and the surface on which the circuit board is provided with the memory card interface is defined as the reverse side of the circuit board.
  • the memory card interface is opposite to the position of the u disk interface and the audio output hole, as long as the corresponding position of the second insertion portion 41 is provided with a root lower than the memory card connection
  • the first escape hole 46 of the port and the second escape hole 47 adapted to the shape of the usb interface are provided; at the corresponding position of the main body 2, a shape corresponding to the usb interface, the audio output hole, the u disk interface, and the memory card are provided.
  • One-to-one corresponding USB socket 23, earphone jack 24, u disk socket 25 and memory card socket 26 are provided with a mark corresponding to the socket next to the corresponding socket.
  • the mini stereo 1 further includes a memory card cover 15 disposed at the interface of the memory card, and the memory card cover 15 is elongated.
  • the memory card cover 15 is internally provided with a memory card escape hole adapted to the memory card interface, and the inner width of the memory card cover 15 is equal to the height of the memory card interface.
  • the memory card cover is fixed at the first avoidance hole 46, and the height of the memory card cover 15 is equal to the shortest distance between the edge of the first escape hole 46 and the root of the usb interface; the length of the first escape hole 46 is greater than that of the memory card interface
  • the length is equal to the length of the outer portion of the memory card cover 15.
  • the length of the first escape hole 46 may also be greater than the length of the outer portion of the memory card cover 15.
  • the root of the first escape hole 46 is flush with the root of the second insertion portion 41.
  • a function key corresponding to the mini audio function is provided, and the function keys include a mode key, an upper adjustment key, a lower adjustment key, and a pause key, and the adjustment key and the mode key can be used together to adjust the volume and the song. Play order and broadcast station; mode button can also adjust the play mode of the song.
  • the function keys are outwardly projecting DOOM sheets that are placed on the board. Since the DOOM sheet is relatively easy to damage, if the DOOM sheet is pressed directly by hand or other objects, the DOOM sheet may be damaged and the DOOM sheet is small.
  • the board and the case are separated by a screw hole hole provided on the face shell.
  • the mini stereo 1 further includes a button protection case 10 corresponding to the function key.
  • the button protective cover is integrally designed, and includes a pressing member 101 which is hollow and has an opening on one side thereof, and a pressing shape of the pressing member 105 which is in contact with the function key is disposed on the surface of the opening of the pressing member 101, and the connecting pressing is performed. Connector 103 of piece 101.
  • a button escaping hole is disposed at a corresponding position of the face shell 4, the outer diameter of the pressing member 101 is equal to the inner diameter of the button escaping hole, and the opening of the pressing member 101 is provided with an outwardly protruding annular platform 102, the height of the pressing member 101 Greater than the distance of the function key to the outer surface of the face shell 4.
  • the pressing member 101 has an elongated shape and the length of the pressing member 101 is larger than the width of the pressing member 101; the pressing bone 105 has the same direction as the width of the pressing member 101, And the pressing bone 105 protrudes from the pressing member 101.
  • the connecting member 103 includes a vertical rod disposed on one side of the long side of the pressing member 101 and protruding rearward and a cross bar connecting the vertical rod; the length of the vertical rod is the same, and the length of the vertical rod and the cross rod The sum of the widths is equal to the shortest distance of the button escaping hole to the inner wall of the face shell (that is, the inner wall of the second insertion portion on the face shell).
  • the crossbar is provided with an outwardly projecting annular positioning hole 104, and the face shell 4 is provided with a protrusion for positioning the wave point.
  • a button sticker fixed by glue is further disposed on the function key, and the width of the button sticker is equal to the width of the function button and the length of the button sticker is equal to the total length of the function button, so that the DOOM sheet can be directly contacted directly with the button protection shell 10, and Does not affect the sensitivity of the function keys.
  • the cover plate 3 includes a panel in which the sound hole 32 is disposed in the middle, and a first insertion portion 31 which is disposed on one side of the panel and has an outwardly protruding outer distance equal to the inner distance of the main body 2; the cover plate 3 is fixed to the main body by means of insertion The first opening 21; the aperture of the sound hole 32 is smaller than the diameter of the horn 7, and the cover plate 3 is further provided with an annular first limiting protrusion 33 which is the same as the center of the sound hole and has an inner diameter equal to the diameter of the horn 7.
  • a latitude placing platform having an outer diameter equal to the diameter of the horn 7 and having an inner diameter smaller than the diameter of the horn 7 is formed, so that the horn is fixed on the arranging platform by glue. It is possible to fix the horn on the cover.
  • the first insertion portion 31 is provided with an elongated opening at an intermediate position, and the inner side of the root portion of the first insertion portion 31 is provided with a convex strip-shaped reinforcing rib, and the height of the first limiting protrusion 33 The height is the same as that between the first insertion portions 31.
  • the cover plate 3 is integrally molded by plastic injection, and a chamfer of more than 90 degrees and less than 180 degrees is disposed at the edge of the panel of the cover 3 to prevent the cover 3 from scratching the user's hand during use.
  • the surface of the fixed cover 3 where the first insertion portion 31 is provided is the back surface of the cover plate, and the surface opposite to the back surface is the front surface.
  • the mini stereo also includes a speaker net 8.
  • the horn mesh 8 is fixed to the front surface of the cover 3, the horn mesh 8 covers the sound hole 32, and the shape of the horn mesh 8 is adapted to the shape of the cover plate 3. Since the main body 3 has a square shape, the cover plate 3 and the horn net 8 are both in a block shape, and the four corners of the horn net are provided with the ossicles 81 which are outwardly convex and perpendicular to the horn net 8 and cover. A jack corresponding to the insertion bone 81 is provided on the panel of the panel 3. In order to ensure the flatness of the rear panel of the horn mesh 8, a concave horn net placing table 36 having the same thickness as the horn mesh 8 is disposed on the front surface of the cover plate 3. Speaker net 8 uses metal Iron is injection molded.
  • the battery 12 is elongated.
  • the length of the battery 12 is the same as the inner distance of the main body 2, and the width of the battery 12 is smaller than the length of the battery 12.
  • the battery 12 is fixed between the diaphragm 5 and the circuit board 11 with glue, and one side of the battery 12 is in direct contact with the side of the diaphragm fixing frame 6, and the battery 12 has a force point and does not shake inside the mini speaker 1.
  • the battery 12 is connected to the circuit board 11 by wires, and the speaker 7 and the circuit board 11 are also connected by wires, and the wires are fixed to the circuit board 11 through connectors.
  • the connector includes a fixing portion welded to the circuit board 11 and an insertion portion provided at the end of the wire, and the connector is used to connect the wire to the circuit board 11 to be soldered securely.
  • the battery 12 is a rechargeable battery that is charged by a usb interface provided on the circuit board 11.
  • the control panel is provided on the circuit board 11, and the control switch is a push-pull switch; there are two states, which respectively correspond to the on and off states of the mini-audio.
  • the second insertion portion 41 is provided with a third escape hole adapted to the shape of the control switch.
  • the control switch can control the working state of the mini stereo 1, and the mini stereo 1 can be turned off when the mini stereo 1 is not used, which can save power.
  • a switch protection case 13 as shown in FIG. 12 is disposed on the control switch, and the switch protection case 13 is sleeved on the control switch; the switch protection case 13 includes a piece of plate 131 and a protrusion disposed at the bottom of the block plate 131.
  • the mini stereo 1 also includes a lyric display function.
  • the mini speaker further includes a lyric display module including a lyric display function module circuit and a display screen 9 disposed on the circuit board 11.
  • the display panel 9 is provided with a display avoidance hole adapted to the shape of the display panel 9.
  • the display screen 9 has a square shape, and correspondingly, the display avoidance hole is also formed in a square shape.
  • the display receiving hole is provided with a display fixing frame 43 which protrudes from the inside of the surface casing 3, and the height of the display fixing frame 43 is the same as the thickness of the display screen 8.
  • the display fixing frame 43 is The distance between the two is equal to the width of the display screen 9; at the root of the display fixing frame 43 is provided a display fixing portion 44 across the display fixing frame 43, The screen fixing portion 44 and the display fixing frame 43 are perpendicular to each other; and the root of the display fixing frame 43 is the same as the thickness of the display panel 9 from the outer surface of the face plate 4, so that the outer side of the display screen 9 is coated.
  • the glue is fixed in the display fixing frame 43, and the display screen 9 is ensured to be flush with the outer surface of the face shell after being fixed.
  • the display screen 9 and the circuit board 11 are connected by a flexible circuit board, and a wire exit hole 45 is provided in the display fixing portion 44.
  • the position of the outlet hole 45 is adjacent to the position of the button relief hole on the face shell 4.
  • a weight reducing hole 48 is also provided on the fixing portion of the display screen, which can reduce the overall weight of the mini speaker and is convenient to carry.
  • the side in which the display screen 9 is in contact with the display fixing portion is defined as the front surface of the display screen 9, and the opposite side of the front surface of the display screen 9 is the aspect of the display screen, in order to avoid direct contact between the display screen 9 and the face shell 4.
  • the resulting display panel 9 is worn, and a sheet of paper conforming to the shape of the display screen 9 is placed on the back of the display screen 9, and the paper is thin and takes up little space.
  • the mini stereo 1 further includes a lens 14 disposed on the face shell 4 and covering the display screen 9; the shape of the lens 14 is adapted to the shape of the display screen 9, the width of the lens 14 is greater than the width of the display screen 9, and the width of the lens 14 is less than The width of the face shell 4.
  • the lens 14 covers the entire face shell 4, and the face shell is provided with a concave lens placing table of the same size as the lens 14, and the distance between the end portions of the lens placing table is the same as the thickness of the lens 14.
  • the lens 14 is fixed on the lens placing table with glue, and the selected glue is double-sided tape. This is because the double-sided tape has better adhesion and does not overflow when the liquid glue is pressed, and does not pollute the display. .
  • the lens 14 is provided with an escape hole adapted to the shape of the function key on the circuit board.
  • a chamfer is provided at the corner of the lens 14, and correspondingly, the corner of the lens placing table is also provided with a chamfer.
  • a lanyard hole 28 is provided in the main body 2, and the lanyard holes are two at the ends of one of the four corners of the main body 2, so that the lanyard is conveniently fixed to the lanyard hole 28 on the main body. Since the main body is in the shape of a square, the corners of the main body are angular, and chamfers are provided at the corners of the main body 2 to prevent the lanyard from being worn out. Since the corners of the main body 2 are chamfered, correspondingly, the corners of the cover 3 and the face shell 4 fixed to the main body 2 are also chamfered.
  • the lanyard hole 28 is located at the end of the second opening 22 of the main body 2, and the face shell is fixed at the second opening 22 of the main body 2, and the second lanyard hole is disposed at a corresponding position of the second insertion portion.
  • the width of the lanyard avoidance space is greater than the distance between the lanyard holes, so that the lanyard can be taken out from the inside of the main body 2.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

La présente invention concerne un mini haut-parleur, comprenant un boîtier et une carte de circuit imprimé fixée sur ledit boîtier, ladite carte de circuit imprimé étant équipée d'un port de carte mémoire et d'un module de lecture de carte mémoire. La carte de circuit imprimé du mini haut-parleur selon la présente invention est équipée d'un port de carte mémoire et d'un module de lecture de carte mémoire; lorsque le mini haut-parleur fonctionne normalement et qu'une carte mémoire est insérée, le mini haut-parleur peur reproduire de la musique mémorisée dans la carte mémoire; le mini haut-parleur peut ainsi être utilisé à l'extérieur en vue de lire de la musique à partir de la carte mémoire, y compris sans clé USB à mémoire flash.
PCT/CN2013/082747 2013-08-29 2013-08-30 Mini haut-parleur WO2015027500A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310386592.0 2013-08-29
CN2013103865920A CN103414968A (zh) 2013-08-29 2013-08-29 一种迷你音响

Publications (1)

Publication Number Publication Date
WO2015027500A1 true WO2015027500A1 (fr) 2015-03-05

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CN (1) CN103414968A (fr)
WO (1) WO2015027500A1 (fr)

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CN103414964A (zh) * 2013-08-29 2013-11-27 刘骏涛 一种迷你音响
CN103414965A (zh) * 2013-08-29 2013-11-27 刘骏涛 一种迷你音响
CN103491467A (zh) * 2013-08-29 2014-01-01 刘骏涛 一种迷你音响
CN103414966A (zh) * 2013-08-29 2013-11-27 刘骏涛 一种迷你音响
CN103414969A (zh) * 2013-08-29 2013-11-27 刘骏涛 一种迷你音响
CN103458329A (zh) * 2013-09-12 2013-12-18 刘骏涛 一种音箱
CN103686489A (zh) * 2013-11-29 2014-03-26 谢虹 一种蓝牙音箱
CN103686492A (zh) * 2013-11-29 2014-03-26 谢虹 一种蓝牙音箱
CN103957478A (zh) * 2013-12-30 2014-07-30 刘骏涛 一种微型音响
CN103763642A (zh) * 2013-12-30 2014-04-30 刘骏涛 一种微型音响
CN103763643A (zh) * 2013-12-30 2014-04-30 刘骏涛 一种微型音响
CN103763640A (zh) * 2013-12-30 2014-04-30 刘骏涛 一种微型音响
CN103763644A (zh) * 2013-12-30 2014-04-30 刘骏涛 一种微型音响
CN103763641A (zh) * 2013-12-30 2014-04-30 刘骏涛 一种微型音响
CN104010237A (zh) * 2014-02-28 2014-08-27 刘骏涛 一种微型音响
CN109343568A (zh) * 2018-11-10 2019-02-15 广州市科锐达光电技术有限公司 一种设有空中音响系统的表演用编队无人机

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CN202059542U (zh) * 2011-04-29 2011-11-30 宋丹 一种迷你音响
CN202103810U (zh) * 2011-06-15 2012-01-04 深圳市南和华毅塑胶制品有限公司 一种新型结构的mp3播放器
CN202353768U (zh) * 2011-07-04 2012-07-25 深圳鑫能达科技有限公司 一种音箱结构
CN202696858U (zh) * 2012-05-31 2013-01-23 赵延科 一种便携式音响结构

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