WO2012155399A1 - 多媒体播放设备及通过其充电的无线耳机 - Google Patents

多媒体播放设备及通过其充电的无线耳机 Download PDF

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Publication number
WO2012155399A1
WO2012155399A1 PCT/CN2011/078345 CN2011078345W WO2012155399A1 WO 2012155399 A1 WO2012155399 A1 WO 2012155399A1 CN 2011078345 W CN2011078345 W CN 2011078345W WO 2012155399 A1 WO2012155399 A1 WO 2012155399A1
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WO
WIPO (PCT)
Prior art keywords
earphone
main body
body portion
disposed
playing device
Prior art date
Application number
PCT/CN2011/078345
Other languages
English (en)
French (fr)
Inventor
周朝晖
姜英才
黄磊
Original Assignee
Zhou Chaohui
Jiang Yingcai
Huang Lei
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 Zhou Chaohui, Jiang Yingcai, Huang Lei filed Critical Zhou Chaohui
Publication of WO2012155399A1 publication Critical patent/WO2012155399A1/zh

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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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators or arrangements for charging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

Definitions

  • Multimedia playback device and wireless headset charged through it Multimedia playback device and wireless headset charged through it
  • the present invention relates to the field of consumer electronic devices, and more particularly to a multimedia playback device and a wireless headset that is charged by the same.
  • multimedia playback devices such as desktop computers, tablet computers, notebook computers, MP3 players, MP4 multimedia file players, mobile TVs, smart phones, etc., all of which can play audio and video files and even connect to the Internet.
  • multimedia playback devices users need to wear headphones in order not to disturb the people around them or to get better playback and avoid the surrounding noise.
  • earphones are classified according to their switching modes, mainly moving coil mode, moving iron mode, electrostatic type and the like. Classification is carried out in a structurally separate manner and can be divided into semi-open and closed. The earphone type, the earhook type and the headband type are classified from the wearing form. Regardless of the type of earphones, with the development of wireless communication technology, the development of wireless headsets, such as broadcast television systems, such as call centers, e-learning, home HIFI, hands-free communication personal mobile phones, etc., have been used wirelessly. headset.
  • broadcast television systems such as call centers, e-learning, home HIFI, hands-free communication personal mobile phones, etc.
  • the wireless headset can eliminate the cumbersome connection between the headset and the multimedia playback device, the wireless headset itself must be equipped with a battery to provide power. For this reason, most of the current multimedia playback devices have a USB interface capable of charging or transmitting data for the wireless headset.
  • the wireless headset When the wireless headset is charged through the USB interface of the multimedia player, the multimedia player must be kept in the power-on state, which is a waste of the power consumed by the multimedia player.
  • the wireless headset is charged in the state of being turned on. It will affect the internal hard disk of the multimedia due to vibration, and even damage it.
  • the invention provides a multimedia playing device and a wireless earphone charged thereby, and the multimedia playing device can charge the wireless earphone anytime and anywhere in a state of being turned off, thereby saving power and solving the problem.
  • a multimedia playback device capable of charging a wireless headset comprising a main body portion, a display panel disposed on the main body portion, an electronic circuit disposed in the main body portion, and In the battery, the main body portion is provided with an earphone fixing component, and the earphone fixing component is provided with an earphone charging terminal.
  • the earphone fixing member is an earphone fixing groove recessed into the main body portion.
  • the charging terminal is disposed at a bottom or a side of the earphone fixing groove.
  • the earphone fixing groove is provided with a receiving portion.
  • the receiving portion is disposed at a bottom of the earphone fixing groove.
  • the charging terminal is disposed at an end of the earphone fixing groove away from the receiving portion.
  • the earphone fixing groove is provided with an adsorption component.
  • the adsorption member is disposed at a bottom of the earphone fixing groove.
  • the bottom of the earphone fixing groove is provided with an ejecting mechanism, and the main body portion is provided with a releasing member associated with the ejecting mechanism.
  • the main body portion includes a first main body portion, a second main body portion located at an opposite surface of the first main body portion, and a side portion connecting the first main body portion and the second main body portion, wherein the earphone fixing member is disposed at the The second body portion, the display panel is located at the first body portion.
  • the earphone fixing member is disposed at an edge of the main body portion, and is an earphone fixing slot which is open at one end to form an open mouth, and the earphone charging terminal is located at an opposite side of the opening.
  • the earphone charging terminal is two metal contacts respectively representing the positive and negative power sources, and is electrically connected to the battery of the multimedia playing device.
  • a wireless earphone comprising a base, an earplug disposed on the base, a rechargeable battery disposed in the base, and a wireless connection module, wherein the base is provided with a pair of charging contacts representing the positive and negative power sources, and the pair is charged A contact is connected to the rechargeable battery.
  • the base is provided with a first part for fixing the wireless earphone on the multimedia playing device An adsorption section.
  • the first adsorption portion and the earplug are located on the same side of the base.
  • the multimedia playing device of the present invention is provided with a headphone charging terminal that can charge the wireless earphone, and can charge the earphone at any time by using the electric energy in the multimedia playing device as a power source, even if the multimedia playing device is in a shutdown state.
  • the earphone charging terminal is provided on the earphone fixing member on the multimedia playing device, so that the wireless earphone is not subjected to collision by external things while being charged, thereby preventing the wireless earphone from being damaged and saving space.
  • the wireless earphone As long as the wireless earphone is placed on the fixed part of the earphone, it can detect its own power, and obtain power from the multimedia playing device according to the detection result, and automatically perform charging, without the user having to disperse extra energy for charging the wireless earphone.
  • FIG. 1 is a perspective view of a multimedia playback device of the present invention.
  • FIG. 2 is a perspective view of the wireless headset of the present invention removed from the multimedia playback device of the present invention.
  • FIG 3 is a perspective view of a second embodiment of the multimedia playback device of the present invention.
  • FIG. 1 it is a perspective view of a multimedia playback device of the present invention.
  • the multimedia playing device is used as a tablet computer.
  • the multimedia playing device may be a desktop computer, a notebook computer, an MP3 player, an MP4 multimedia file player, or the like.
  • the multimedia playing device includes a main body portion 1 having an electronic circuit (not shown) for ensuring the operation of the multimedia playing device and a battery. Since the internal electronic circuit of the tablet computer is prior art, it is not detailed here. Said.
  • the main body portion 1 includes A main body portion 10, a second main body portion 11 located on the opposite surface of the first main body portion 10, and a side portion 12 connecting the first main body portion 10 and the second main body portion 11.
  • the first main body portion 10 is provided with a display panel 101, and the display panel 101 can be a display panel capable of recognizing a touch action, or a display panel such as a CRT or an LCD, for displaying the current play content to the user or Control interface.
  • the display panel 101 can be a display panel capable of recognizing a touch action, or a display panel such as a CRT or an LCD, for displaying the current play content to the user or Control interface.
  • One side of the display panel 101 is provided with an operation key (not labeled) for controlling the state of the multimedia player switch, and of course, the operation key can also be disposed on the side portion 12.
  • the side portion 12 is provided with a first interface 102 for data transmission with the earphone and a second interface 103 for connecting an external device such as a computer.
  • the side portion can also be provided with other interfaces, such as an extension. Card interface, video data transmission interface, etc.
  • the wireless earphone is a Bluetooth earphone 2 in this embodiment, and the Bluetooth earphone 2 includes a base 20, an earplug 201 for contacting the human ear disposed on the base 20, and a pair of charging contacts for charging the wireless earphone. a point 202, and a first adsorption portion (not shown) disposed on the base portion 20, the first adsorption portion and the earplug 201 are located on the same side of the base portion 20.
  • the first adsorption portion is not limited to the first adsorption.
  • the portion is located on the same side as the earplug 201, and the first adsorption portion may be disposed on the other side of the base 20.
  • a wireless connection module (not shown) and a rechargeable battery (not shown) are disposed in the base 20, and the rechargeable battery is connected to the charging contact 202.
  • the second main body portion 11 of the multimedia playback device is provided with an earphone fixing member 110 for placing the wireless earphone, and an adsorption member 115 (hereinafter referred to as a second adsorption portion) for adsorbing the earphone is disposed thereon.
  • the earphone fixing component 110 is an earphone fixing groove recessed into the main body portion 1.
  • the earphone fixing groove 110 is provided with a receiving portion for receiving the earplug 201 of the wireless earphone 2 111.
  • the receiving portion 111 is disposed at the bottom of the earphone fixing groove.
  • the accommodating portion 111 may also be disposed at a side portion of the earphone fixing groove 110 corresponding to a change in position of the earplug 201 of the earphone.
  • the second adsorption portion 115 corresponds to the position of the first adsorption portion of the wireless earphone, and may be disposed at the bottom or side of the earphone fixing groove 110. Face.
  • the first adsorption portion and the second adsorption portion 115 are agate.
  • the upper surface thereof is located at the same level as the surface of the second body portion 11, which can save space for the user and carry the belt.
  • the structure of the magnet can prevent the earphone from falling off.
  • the earphone fixing slot 110 is further provided with a headphone charging terminal 113 corresponding to the charging contact 202 of the wireless earphone.
  • the earphone charging terminal 113 is two metal contacts respectively representing the positive and negative power sources, and is located at one end of the side wall of the earphone fixing groove 110 away from the receiving portion 111.
  • the earplug 201 is located in the receiving portion 111, and the charging contact 202 is in contact with the earphone charging terminal 113 so as to be a wireless earphone.
  • Charging convenient for users to charge wireless headphones.
  • the display light is set on the wireless earphone, and the red light is displayed in red when the wireless earphone is insufficient, and is displayed in green when the charging is completed.
  • an ejection mechanism 114 may be disposed therein, and a release member 112 for the user to operate the ejection mechanism 114 is disposed on the second body portion 11, and is pushed by the user. Alternatively, the release member 114 is pressed, and the eject mechanism 114 is controlled to push up one end of the wireless earphone for the user to take out.
  • FIG 3 is a perspective view of a second embodiment of the multimedia playback device of the present invention.
  • the earphone fixing groove 110' is disposed at an edge of the second body 11 portion, that is, one side of the earphone fixing groove 110' is open to form an opening, through which the user can open
  • the wireless pickup is taken in a push-pull manner, and the earphone charging terminal is located on the opposite side of the open port so as to be in accurate contact with the wireless earphone when the user pushes in the wireless earphone.
  • the earphone fixing slot is not limited to being disposed on the second body portion 11, and may be disposed on the first body portion 10 or the side portion 12;
  • the earphone charging The terminal is not limited to being disposed on the side wall of the earphone fixing groove, and may be disposed at the bottom of the earphone fixing groove, and the charging contact on the wireless earphone is located on the same plane as the first adsorption portion on the base.

Description

多媒体播放设备及通过其充电的无线耳机
技术领域
本发明涉及消费性电子设备领域，特别涉及一种多媒体播放设备及通 过其充电的无线耳机。
背景技术
目前的多媒体播放设备种类繁多， 例如桌上型电脑、 平板电脑、 笔记 本电脑、 MP3播放器、 MP4多媒体文件播放器、 移动电视、 智能手机等， 其都能够播放音视频文件，甚至能够连接网络。用户在使用这些多媒体播 放设备时， 为了不打扰周围的人或者是为了得到更好的播放效果、避免周 围噪音的影响， 需要佩戴耳机。
目前的耳机根据其换能方式分类， 主要有动圈方式、 动铁方式、 静电 式和等磁式。从结构上分开方式进行分类， 可分为半开放式和封闭式。从 佩带形式上分类则有耳塞式， 挂耳式和头带式。 无论是哪种类型的耳机， 随着无线通信技术的发展，都向着无线耳机的方向发展，例如广播电视系 统， 如呼叫中心、 电化教学、 家庭 HIFI、 免提通信个人手机等领域都使 用到了无线耳机。
虽然无线耳机能够省去繁琐的连接耳机与多媒体播放设备之间的线 缆， 但是无线耳机自身必须设置电池， 以便为其提供电能。 为此， 目前的 多媒体播放设备上大都设有能够为无线耳机充电或者进行数据传输的 USB接口。 无线耳机通过多媒体播放器的 USB接口进行充电时， 必须要 保持多媒体播放器处于开机状态， 无疑浪费了多媒体播放器所消耗的电 會^特别是在路途中如果在开机的状态下为无线耳机充电，会由于振动而 影响多媒体内部的硬盘， 甚至将其损坏。
发明内容
本发明提供一种多媒体播放设备及通过其充电的无线耳机，多媒体播 放设备可以在关机的状态下随时随地为无线耳机充电，节约电能，解决目 前无线耳机必须在多媒体播放设备开机状态下才能充电的技术问题。 为解决上述技术问题， 本发明是通过以下技术方案实现的： 一种能够为无线耳机充电的多媒体播放设备， 其包括主体部、设置在 主体部上的显示面板、设置在主体部内的电子电路及电池，所述的主体部 上设有耳机固定部件， 该耳机固定部件上设有耳机充电端子。
所述的耳机固定部件为一个向所述主体部内凹陷的耳机固定槽。 所述的充电端子设置在所述的耳机固定槽的底部或者侧部。
所述的耳机固定槽上设有收容部。
所述的收容部设置在所述的耳机固定槽的底部。
所述的充电端子设置在所述耳机固定槽上远离所述收容部的一端。 所述的耳机固定槽上设有吸附部件。
所述的吸附部件设置在所述的耳机固定槽的底部。
所述的耳机固定槽的底部设有弹出机构，所述的主体部上设有与所述 弹出机构关联的释放部件。
所述的主体部包括第一主体部、 位于第一主体部相对面的第二主体 部、将第一主体部及第二主体部连接的侧部，所述的耳机固定部件设置在 所述的第二主体部， 所述的显示面板位于第一主体部。
所述的耳机固定部件设置在所述的主体部的边缘处，为一端开放的耳 机固定槽， 形成一开放口， 所述的耳机充电端子位于开放口的相对面。
所述的耳机充电端子为两个分别代表正负极电源的金属触点，并且与 多媒体播放设备的电池电性连接。
本发明还可进一步通过以下技术方案实现：
一种无线耳机， 其包括基部、 设置在基部上的耳塞、 设置在基部内的 可充电电池及无线连接模块，所述的基部上设有一对代表正负极电源的充 电触点， 该对充电触点与所述的可充电电池连接。
所述的基部上设有用于将该无线耳机固定在多媒体播放设备上的第 一吸附部。
所述的第一吸附部与所述的耳塞位于基部的同一侧面上。
本发明具有如下优点：
第一：本发明的多媒体播放设备上设置了可以为无线耳机充电的耳机 充电端子， 能够将多媒体播放设备内的电能作为电源随时为耳机充电， 即 使该多媒体播放设备处于关机状态。
第二：本发明通过在多媒体播放设备上的耳机固定部件上设置耳机充 电端子，这样无线耳机在充电时不会受到外界事物的碰撞， 可防止无线耳 机被损坏， 并且节约空间。
第三:只要无线耳机放置在耳机固定部件上，其即可检测自身的电量 多少， 并且根据检测结果从多媒体播放设备上获取电能， 自动进行充电， 无需用户为无线耳机充电而额外分散精力。
附图说明
图 1为本发明的多媒体播放设备的立体图。
图 2 为本发明的无线耳机从本发明的多媒体播放设备上取下后的立 体图。
图 3为本发明的多媒体播放设备的第二个实施例的立体图。
具体实施方式
为进一步阐述本发明达成预定目的所采取的技术手段及功效，以下结 合附图及实施例， 对本发明的具体实施方式， 详细说明如下。
如图 1所示， 为本发明的多媒体播放设备的立体图。 在本实施例中， 以所述的多媒体播放设备为平板电脑为例， 当然在具体实施时，所述的多 媒体播放设备可以桌上型电脑、 笔记本电脑、 MP3播放器、 MP4多媒体 文件播放器等电子设备。 所述的多媒体播放设备包括主体部 1， 其内设有 确保该多媒体播放设备运行的电子电路（未图示） 以及电池， 由于平板电 脑的内部电子电路为现有技术， 因此在此不再详述。所述主体部 1包括第 一主体部 10、位于第一主体部 10相对面的第二主体部 11、将第一主体部 10及第二主体部 11连接的侧部 12。
所述的第一主体部 10上设有显示面板 101， 该显示面板 101可以为 能够识别触摸动作的显示面板， 也可以为 CRT、 LCD等显示面板， 其用 于向用户显示当前的播放内容或者控制界面。所述显示面板 101的一侧设 有用于控制该多媒体播放器开关状态的操作键 （未标号）， 当然该操作键 也可设置在所述的侧部 12上。
所述的侧部 12上设有用于与耳机进行数据传输的第一接口 102以及 用于连接电脑等外界设备的第二接口 103， 当然在具体实施时该侧部还可 以设置其他接口， 例如扩展卡接口、 视频数据传输接口等。
如图 2所示为无线耳机从本发明的多媒体播放设备上取下后的立体 图。 所述的无线耳机在本实施例中为蓝牙耳机 2， 该蓝牙耳机 2包括基部 20、 设置在基部 20上的用于接触人耳的耳塞 201、 用于给该无线耳机充 电的一对充电触点 202， 以及设置在基部 20上的第一吸附部 （未图示）， 该第一吸附部与所述的耳塞 201位于所述基部 20的同一侧， 当然具体实 施时，不仅限于第一吸附部与耳塞 201位于同一侧，第一吸附部也可设置 在基部 20的其它侧面。所述的基部 20内设有无线连接模块（未图示）及 可充电电池 （未图示）， 该可充电电池与所述的充电触点 202连接。
所述的多媒体播放设备的第二主体部 11上设有用于放置所述无线耳 机的耳机固定部件 110， 其上设有用于吸附耳机的吸附部件 115 (以下称 为第二吸附部）。 具体地， 所述耳机固定部件 110在本实施例中为一个向 所述主体部 1内凹陷的耳机固定槽，该耳机固定槽 110内设有用于收容所 述无线耳机 2的耳塞 201的收容部 111， 在本实施例中所述收容部 111设 置在耳机固定槽的底部。 对应于耳机的耳塞 201 的位置变化， 该收容部 111也可设置在耳机固定槽 110的侧部。 所述的第二吸附部 115对应于无 线耳机的第一吸附部的位置， 可设置在该耳机固定槽 110 的底部或者侧 面。
具体地，所述的第一吸附部与所述的第二吸附部 115为吸铁石。所述 无线耳机放置在所述的耳机固定槽 110内后，其上表面与所述的第二主体 部 11的表面大致位于同一个水平面， 这样可以给用户节省空间， 并且方 便携带。用户使用时，只需从所述的耳机固定槽 110内取出无线耳机即可， 不使用时将其存放在该耳机固定槽 110内即可，并且通过吸铁石的结构设 计， 能够防止耳机脱落。
所述耳机固定槽 110上还设有与无线耳机的充电触点 202对应接触的 耳机充电端子 113。 具体地， 该耳机充电端子 113为两个分别代表正负极 电源的金属触点，并且位于所述耳机固定槽 110的侧壁上远离所述收容部 111的一端。 所述无线耳机放置在该耳机固定槽 110内之后， 所述的耳塞 201恰好位于所述收容部 111内， 同时所述的充电触点 202与所述的耳机 充电端子 113对应接触以便为无线耳机充电， 方便用户为无线耳机充电。 具体实施时，在无线耳机上设置显示灯， 当无线耳机电量不足时显示为红 色， 当充电完成时显示为绿色。
为了方便用户从所述的耳机固定槽 110内取出无线耳机，也可在其内 设置一弹出机构 114， 并且在第二主体部 11上设置供用户操作弹出机构 114的释放部件 112， 通过用户推动或者按压该释放部件 114， 控制弹出 机构 114向上推起无线耳机的一端， 供用户取出。
如图 3所示，为本发明的多媒体播放设备的第二实施例的立体图。在 该第二个实施例中， 耳机固定槽 110' 设置在所述的第二主体 11部的边 缘处， 即该耳机固定槽 110' 的一侧开口， 形成一开放口， 用户可以通过 该开放口以推拉的方式取放无线耳机，所述的耳机充电端子位于该开放口 的相对面， 以便在用户推入无线耳机时能与无线耳机准确接触。
具体地， 上述耳机固定槽不仅限于设置在所述的第二主体部 11上， 也可以设置在所述的第一主体部 10或者所述侧部 12上；所述的耳机充电 端子不仅限于设置在所述的耳机固定槽的侧壁上，也可以设置在耳机固定 槽的底部，同时所述无线耳机上的充电触点位于基部上与第一吸附部相同 的平面上。
以上仅对本发明的实施例加以描述，但并非用以限制本发明， 依本发 明精神所做出的各种变化或修饰， 都在本发明的权利要求的保护范畴之 内。

Claims

权利要求书
1、 一种多媒体播放设备， 其包括主体部、 设置在主体部上的显示面 板、 设置在主体部内的电子电路及电池， 其特征在于： 所述的主体部上设 有能够为无线耳机充电的耳机充电端子，该耳机充电端子为两个分别代表 正负极电源的金属部件。
2、 如权利要求 1所述的多媒体播放设备， 其特征在于： 所述的耳机 固定部件为一个向所述主体部内凹陷的耳机固定槽。
3、 如权利要求 2所述的多媒体播放设备， 其特征在于： 所述的充电 端子设置在所述的耳机固定槽的底部或者侧部。
4、 如权利要求 2所述的多媒体播放设备， 其特征在于： 所述的耳机 固定槽上设有收容部。
5、 如权利要求 4所述的多媒体播放设备， 其特征在于： 所述的收容 部设置在所述的耳机固定槽的底部。
6、 如权利要求 5所述的多媒体播放设备， 其特征在于： 所述的充电 端子设置在所述耳机固定槽上远离所述收容部的一端。
7、 如权利要求 2所述的多媒体播放设备， 其特征在于： 所述的耳机 固定槽上设有吸附部件。
8、 如权利要求 2所述的多媒体播放设备， 其特征在于： 所述的吸附 部件设置在所述的耳机固定槽的底部或者侧部。
9、 如权利要求 2所述的多媒体播放设备， 其特征在于： 所述的耳机 固定槽的底部设有弹出机构，所述的主体部上设有与所述弹出机构关联的 释放部件。
10、如权利要求 1所述的多媒体播放设备， 其特征在于： 所述的主体 部包括第一主体部、位于第一主体部相对面的第二主体部、将第一主体部 及第二主体部连接的侧部， 所述的耳机固定部件设置在所述的第二主体 部， 所述的显示面板位于第一主体部。
11、 如权利要求 1所述的多媒体播放设备， 其特征在于： 所述的耳机 固定部件设置在所述的主体部的边缘处， 其为一端开放的耳机固定槽，形 成一开放口， 所述的耳机充电端子位于开放口的相对面。
12、 如权利要求 1至 11项任意一项所述的多媒体播放设备， 其特征 在于：所述的耳机充电端子为两个分别代表正负极电源的金属触点， 并且 与多媒体播放设备的电池连接。
13、一种通过如权利要求 1所述的多媒体播放器充电的无线耳机，其 包括基部、设置在基部上的耳塞、设置在基部内的可充电电池及无线连接 模块， 其特征在于： 所述的基部上设有一对代表正负极电源的充电触点， 该对充电触点与所述的可充电电池连接。
14、 如权利要求 13所述的无线耳机， 其特征在于： 所述的基部上设 有用于将该无线耳机固定在多媒体播放设备上的第一吸附部。
15、 如权利要求 13所述的无线耳机， 其特征在于： 所述的第一吸附 部与所述的耳塞位于基部的同一侧面上。
PCT/CN2011/078345 2011-05-18 2011-08-12 多媒体播放设备及通过其充电的无线耳机 WO2012155399A1 (zh)

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CN107183851A (zh) * 2017-07-10 2017-09-22 深圳市腾瑞丰科技有限公司 智能蓝牙便携式戒指及充电宝
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