WO2004015712A1 - Baladeur mp3 presentant un disque dur remplacable - Google Patents

Baladeur mp3 presentant un disque dur remplacable Download PDF

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Publication number
WO2004015712A1
WO2004015712A1 PCT/CN2002/000550 CN0200550W WO2004015712A1 WO 2004015712 A1 WO2004015712 A1 WO 2004015712A1 CN 0200550 W CN0200550 W CN 0200550W WO 2004015712 A1 WO2004015712 A1 WO 2004015712A1
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WO
WIPO (PCT)
Prior art keywords
hard disk
removable hard
circuit board
walkman
main body
Prior art date
Application number
PCT/CN2002/000550
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English (en)
French (fr)
Inventor
Hui Lin
Original Assignee
Hui Lin
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 Hui Lin filed Critical Hui Lin
Priority to US10/523,507 priority Critical patent/US20060075151A1/en
Priority to AU2002320758A priority patent/AU2002320758A1/en
Priority to JP2004526570A priority patent/JP2005534982A/ja
Priority to PCT/CN2002/000550 priority patent/WO2004015712A1/zh
Publication of WO2004015712A1 publication Critical patent/WO2004015712A1/zh

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Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C7/00Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/16Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters 
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C2207/00Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
    • G11C2207/16Solid state audio

Definitions

  • the present invention relates to an MP3 walkman, in particular to an MP3 walkman with a removable hard disk (big brother).
  • MP3 is one of them.
  • MP3, short for MPEG Audio Layer 3 is a stereo digital audio that uses a 16-bit sampling frequency of 44. lkHZ resolution (that is, a ⁇ iCD's audio shield) in the absence of data loss, one second of use About 172KB of memory space, and the general CD music format takes about 10MB of memory space in one minute, so a 70-minute music CD requires 700MB of hard disk space to be completely recorded on the hard disk.
  • the main purpose of the present invention is to combine a removable hard disk (big brother) with an MP3 player, and the removable hard disk (big brother) has a larger capacity than a general memory card, so that the MP3 player can be played at once More MP3 music information.
  • Another object of the present invention is to provide an MP3 Walkman with a removable hard disk (big brother), and the USB connector on the removable hard disk (big brother) can be plugged and used (Hot Plug) & Play), very easy to download MP3 music data from your computer.
  • Another object of the present invention is to use a golden finger as a bridge between the main circuit board and the removable hard disk (big brother) circuit board to facilitate data transmission.
  • the MP3 Walkman with removable hard disk (big brother) includes at least:
  • a body shell is provided with a function key set on the surface for user operation and control, and a socket for inserting a USB plug of a removable hard disk (Thumb Drive), in addition, the A gold finger is formed on a surface of the body shell in contact with the removable hard disk to expose the body circuit board;
  • a power supply which is located inside the body shell and is used to supply power
  • a removable hard disk (Thumb Dr. ive), one end of which has a USB plug that can be inserted into a USB socket of a computer to store MP3 music data.
  • the removable hard disk is in contact with the above body shell.
  • a row of metal protrusions is provided at a position opposite to the slotted position; and: a main circuit board is located inside the main body housing, and is provided with a gold finger, which can be contacted with the metal protrusion after contacting the metal protrusion.
  • the main circuit board communicates with the hard disk-replaceable circuit board.
  • the main circuit board is provided with a receiving circuit at a position relative to the function key group.
  • the above body circuit board includes:
  • a processing unit receives the instruction of the function key group through the receiving circuit, and reads MP3 music data in the removable hard disk (big brother) through a buffer;
  • the MP 3 decoding unit is to receive and decode the MP3 music data transmitted by the processing unit;
  • a digital / analog conversion unit receives the decoded digital signal and converts it into an analog signal; and:
  • An amplifying unit receives the above analog signal, and amplifies the analog signal to an output unit.
  • FIG. 1 is a schematic block diagram of the present invention
  • FIG. 2 is a front perspective perspective view of the present invention
  • FIG. 3 is a rear perspective view of the present invention.
  • FIG. 5 is a schematic diagram of a combination of a main circuit board and a removable hard disk (big brother) in the present invention.
  • the meaning of the component numbers in the above Figures 1 to 5 is:
  • FIG. 1 As shown in FIG. 1, FIG. 2, FIG. 3 to FIG. 4, it can be seen from the figure that the MP3 player with a removable hard disk (big brother) according to the present invention is used to play MP 3 (MPEG Audi o Layer).
  • MP 3 MPEG Audi o Layer
  • Music data which includes at least: a main body casing 10, a power source 20, a removable hard disk (Th leg b Drive, 30), and a main body circuit board 40.
  • the body shell 10 is provided with a function key group 11 (including a play key, a stop key and two direction keys) on the surface for user operation control, and a socket for a removable hard disk (Tl mb Dr ive, (Big Brother) USB plug 31 is inserted.
  • a surface of the body shell 10 in contact with the removable hard disk 30 is provided with a slot to expose the gold finger 41 of the body circuit board, and the gold finger 41 is used as the body.
  • the body shell 10 is provided with two strap holes 13 to attach a strap 50.
  • the power source 20 is located inside the main body casing 10 and is used to supply power.
  • the left and right batteries 21 are used as the power source, and the main body casing 10 is provided with a battery cover 12 for battery replacement.
  • a row of metal protrusions 32 is provided on the surface contacted by 10 with respect to the slotted position of the body shell, so that when a USB plug 31 with a removable hard disk is inserted into the socket of the body shell 10, the row of metal protrusions 32 can be connected to the body.
  • the gold finger 41 of the circuit board is in contact with each other as a bridge for data transmission. At this time, the LED 33 can display its use status.
  • the main circuit board 40 is located inside the main body housing 10, and is provided with a gold finger 41. After the golden finger 41 contacts the metal protrusion 32 of the removable hard disk, the main circuit board 40 and the removable hard disk circuit can be made Boards 34 communicate.
  • the main circuit board 40 further includes:
  • a processing unit 42 receives the instruction of the function key group 11 through the receiving circuit 43 and reads MP3 music data in the removable hard disk (big brother) 30 through a buffer 44;
  • An MP3 decoding unit 45 is to receive and decode the MP3 music data transmitted by the processing unit 42;
  • a digital / analog conversion unit 46 receives the decoded digital signal and converts it into an analog signal:
  • An amplifying unit 47 receives the above analog signal, and amplifies the analog signal to an output unit 48.
  • the output unit is an earphone holder; and:
  • a power switch 49 is exposed on the surface of the main body casing 10 for the user to control the switch of the power supply 20.
  • an earphone may be used as an output device, which is connected to the above-mentioned earphone holder to play MP3 music, or different output units may be used to cooperate with different output devices, such as car audio and home audio.
  • the MP3 walkman provided with a removable hard disk (big brother) provided by the present invention can achieve the expected practical effect.

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  • Reverberation, Karaoke And Other Acoustics (AREA)

Description

具有可抽换硬碟的 MP3随身听
技术领域
本发明涉及一种 MP3随身听, 具体的讲是一种具有可抽换硬碟(大姆 哥) 的 MP3随身听。
背景技术
目前,各种影音技术不断的蓬勃发展, 带给消费者更好的视听享受, MP3就是其中之一。 MP3,即: MPEG Audio Layer 3的简称, 其是在没有资 料遗失的状态下,采用 16位元取样频率 44. lkHZ解析度 (即一 ^iCD的音盾 ) 的立体数位音讯, 一秒钟使用约 172KB的记忆体空间, 而一般的 CD音乐格 式一分钟约占 10MB的记忆体空间, 所以一张 70分钟的音乐 CD完全录到硬碟 上就需要 700MB的硬碟空间, 然而,使用 MP3的技术可以将 CD上的声音资料 压缩成原来的 1 / 12 , 使得在同样的储存空间大小可以储存原本的 12倍音 乐资料量, 而且其音讯品质几乎和音乐 CD—模一样, 因此成为各厂商竟相 开发、 支援的标准。
除了电脑上的 MP3播放软件外, 有许多可播放 MP3音乐的随身听产品也 陆续问世,然而这些 MP3随身听的储存方式多以各种具有快闪记忆体(Flash Memory ) 的记忆卡当储存媒介, 其记忆容量从 8MB至 64MB不等, 因此一张 卡最多也只能储存十多首歌曲。 与常用的音乐 CD比较, 播放歌曲的数量其 实差不多, 如果要播放大量音乐的话, 此类 MP3随身听使用起来十分不便, 不仅要常常更换昂贵的记忆卡, 而且也需要花费许多时间用于下载音乐至 记忆卡上。 因此本发明人有鉴于此, 经过不断研究测试后始有本发明的产 生。
发明内容
本发明的主要目的是将可抽换硬碟(大姆哥) 结合至 MP3随身听上, 该可抽换硬碟(大姆哥)容量比一般记忆卡大, 使该 MP3随身听可一次播 放较多的 MP3音乐资料。 本发明的另一目的是提供一种具有可抽换硬碟(大姆哥) 的 MP3随身 听, 利用该可抽换硬碟(大姆哥)上的 USB接头可随插随用 (Hot Plug & Play ) , 十分方便地从电脑下载 ΜΡ3音乐资料。
本发明的又一目的是利用金手指做为本体电路板与可抽换硬碟 (大姆 哥) 电路板间的桥梁, 以方便资料传输。 为达上述目的, 具有可抽换硬碟 (大姆哥 ) 的 ΜΡ3随身听其至少包括:
一本体外壳, 其表面设有一功能键组以供使用者操作控制, 且设有一 插座以供可抽换硬碟(Thumb Dr ive , 即: 大姆哥) 的 USB插头插入, 另夕卜, 该本体外壳与可抽换硬碟相接触的表面上设有一开槽以露出本体电路板的 金手指;
一电源, 其位于上述本体外壳内部, 用以供给电源;
一可抽换硬碟 ( Thumb Dr ive , 即: 大姆哥) , 其一端有一 USB插头可 插入电脑的 USB插座, 以储存 MP3音乐资料, 另外, 该可抽换硬碟与上述本 体外壳接触的表面上, 相对于上述开槽位置处设有一排金属突起;以及: 一本体电路板, 是位于上述本体外壳内部, 其设有一金手指, 该金手 指与上述金属突起相接触后, 可使该本体电路板与上述可抽换硬碟的电路 板相沟通, 另外, 该本体电路板相对于上述功能键组位置处设有一接受电 路。
上述本体电路板包括:
一处理单元, 是通过上述接受电路以接受上述功能键组的指示, 并通 过一緩冲器来进行可抽换硬碟(大姆哥) 内 MP3音乐资料的读取;
—MP 3 解码单元, 是接收上述处理单元传送的 MP3音乐资料, 并予以 解码;
一数位 /类比转换单元, 是接收上述解码后的数位讯号, 并将其转换 成类比讯号; 以及:
一放大单元, 是接收上述类比讯号, 将其放大后传送至一输出单元。 附图说明
图 1为本发明的方框示意图;
图 2为本发明的前视立体外观图;
图 3为本发明的后视立体外观图;
图 4为本发明的分解图;
图 5为本发明中本体电路板与可抽换硬碟(大姆哥) 的结合示意图。 上述图 1至图 5中的元件标号的意义为:
10 : 本体外壳;
11 : 功能键组;
12 : 电池盖;
13 : 吊带孔;
20 : 电源;
21 : 电池;
30 : 可抽换硬碟 ( Thumb Dr ive, 大姆哥)
31 : USB插头;
32 : 金属突起;
33 : LED;
34 : 可抽换硬碟电路板;
40 : 本体电路板;
41 : 金手指;
42 : 处理单元;
43 : 接受电路;
44 : 缓沖器;
45 : MP 3解码单元;
46 : 数位 /类比转换单元;
47 : 放大单元; 48 : 输出单元;
49 : 电源开关;
50 : 吊带。
具体实施方式
以下借助具体的实施例, 结合附图, 对本发明做详细说明, 说明如下。 如图 1、 图 2、 图 3至图 4所示, 由图中可看出本发明具有可抽换硬碟(大姆 哥) 的 MP3随身听, 是用以播放 MP 3 ( MPEG Audi o Layer 3 )音乐资料, 其至少包括: 一本体外壳 10、 一电源 20、 一可抽换硬碟(Th腿 b Dr ive , 大姆哥) 30以及一本体电路板 40。
本体外壳 10 , 其表面设有一功能键组 11 (其包括播放键、 停止键及 两个方向键)以供使用者操作控制, 且设有一插座以供可抽换硬磔(Tl mb Dr ive , 大姆哥) 的 USB插头 31插入, 另外, 该本体外壳 10与可抽换硬碟 30 相接触的表面上设有一开槽以露出本体电路板的金手指 41 , 该金手指 41是 做为本体电路板 40与可抽换硬碟电路板 34间的桥梁, 以方便资料传输。 另 外, 本体外壳 10上设有两个吊带孔 13 , 以附加一吊带 50。
电源 20,其位于本体外壳 10内部, 是用以供给电源, 在本实施例中是 以左右两电池 21做为电源, 且本体外壳 10设有电池盖 12以供电池的更换。
可抽换硬磔 ( Thumb Dr ive , 大姆哥) 30 , 其一端有一 USB插头 31可插 入电脑的 USB插座, 以下载储存 MP3音乐资料, 另夕卜, 该可抽换硬碟 30与本 体外壳 10接触的表面上, 相对于上述本体外壳开槽位置处设有一排金属突 起 32 , 使得当可抽换硬碟的 USB插头 31插入本体外壳 1 0的插座后,该排金属 突起 32可与本体电路板的金手指 41相接触, 以做为资料传输的桥梁, 此时 LED 33可显示其使用状态。
本体电路板 40是位于本体外壳 10内部, 其设有一金手指 41 , 该金手指 41与可抽换硬碟的金属突起 32相接触后 ,可使该本体电路板 40与可抽换硬 碟电路板 34相沟通。 另外, 参阅图 1及图 5 , 该本体电路板 40更包括:
一处理单元 42 , 是通过接受电路 43以接受功能键组 11的指示, 并通过 一緩冲器 44来进行可抽换硬碟(大姆哥) 30内 MP3音乐资料的读取;
一 MP3解码单元 45 , 是接收处理单元 42传送的 MP3音乐资料, 并予以解 码;
一数位 /类比转换单元 46 , 是接收上述解码后的数位讯号, 并将其转 换成类比讯号:
一放大单元 47 , 是接收上述类比讯号, 将其放大后传送至一输出单元 48 , 在本实施例中本输出单元为一耳机座; 以及:
一电源开关 49 , 其外露于本体外壳 10的表面, 用以供使用者控制电源 20的开关。
另外, 在本实施例中更可利用一耳机做为输出装置 , 与上述耳机座相 连接以播放 MP3音乐, 或也可利用不同输出单元配合不同的输出装置, 如: 汽车音响、 家用音响等。
综上所述, 本发明所提供的具有可抽换硬碟(大姆哥) 的 MP3随身听, 可达预期的实用功效。
以上已将本发明进行了详细说明, 以上具体实施方式, 仅为本发明的 较佳实施例而已, 当不能限定本发明实施的范围, 即凡依本发明专利申请 范围所作的均等变化与修饰等, 皆应仍属本发明专利申请的涵盖范围意图 保护的范畴。

Claims

权 利 要 求
1. 具有可抽换硬碟的 MP3随身听, 用以播放 MP3音乐资料, 其至少包 括:
一本体外壳, 其表面设有一功能键组以供使用者操作控制, 且设有一 插座以供可抽换硬碟的 USB插头插入, 另夕卜,该本体外壳与可抽换硬碟相接 触的表面上设有一开槽以露出本体电路板的金手指;
一电源, 其位于上述本体外壳内部, 是用以供给电源;
一可抽换硬碟, 其一端有一 USB插头可插入电脑的 USB插座, 以储存 MP3 音乐资料, 另外, 该可抽换硬碟与上述本体外壳接触的表面上, 相对于上 述开槽位置处设有一排金属突起; 以及:
一本体电路板, 是位于上述本体外壳内部, 其设有一金手指, 该金手 指与上述金属突起相接触后, 可使该本体电路板与上述可抽换硬碟的电路 板相沟通, 另外, 该本体电路板相对于上述功能键组位置处设有一接受电 路; 该本体电路板包括:
一处理单元, 是通过上述接受电路以接受上述功能键组的指示, 并通 过一緩冲器来进行可抽换硬碟内 MP3音乐资料的读取;
一 MP3解码单元, 是接收上述处理单元传送的 MP3音乐资料, 并予以解 码;
一数位 /类比转换单元, 是接收上述解码后的数位讯号, 并将其转换 成类比讯号; 以及:
一放大单元, 是接收上述类比讯号, 将其放大后传送至一输出单元。
2. 根据权利要求 1所述的具有可抽换硬碟的 MP3随身听, 更包括一输 出装置, 其是与上述输出单元相连接以播放 MP3音乐。
3. 根据权利要求 2所述的具有可抽换硬碟的 MP3随身听, 其中该输出 单元为一耳机座, 该输出装置为一耳机。
4. 根据权利要求 1所述的具有可抽换硬碟的 MP3随身听, 其中该本体 电路板更包括一电源开关, 其连接至上述电源, 且该电源开关外露于上述 本体外壳的表面, 用以供使用者控制电源的开关。
5. 根据权利要求 1所述的具有可抽换硬碟的 MP3随身听, 其中该电源 为电池, 且上述本体外壳设有电池盖以供电池的更换。
6. 根据权利要求 1所述的具有可抽换硬碟的 MP3随身听, 其中该本体 外壳上设有两个吊带孔, 以附加一吊带。
7. 根据权利要求 1所述的具有可抽换硬碟的 MP3随身听, 其中该可抽 换硬碟上设有 LED以显示其使用状态。
8. 根据权利要求 1所述的具有可抽换硬碟的 MP3随身听, 其中该功能 键组包括播放键、 停止键及两个方向键。
PCT/CN2002/000550 2002-08-08 2002-08-08 Baladeur mp3 presentant un disque dur remplacable WO2004015712A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US10/523,507 US20060075151A1 (en) 2002-08-08 2002-08-08 Mp3 walkman with a replaceable hard disk
AU2002320758A AU2002320758A1 (en) 2002-08-08 2002-08-08 Mp3 walkman with a replaceable hard disk
JP2004526570A JP2005534982A (ja) 2002-08-08 2002-08-08 リムーバブルディスク付きmp3ポータブルオーディオ
PCT/CN2002/000550 WO2004015712A1 (fr) 2002-08-08 2002-08-08 Baladeur mp3 presentant un disque dur remplacable

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PCT/CN2002/000550 WO2004015712A1 (fr) 2002-08-08 2002-08-08 Baladeur mp3 presentant un disque dur remplacable

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US (1) US20060075151A1 (zh)
JP (1) JP2005534982A (zh)
AU (1) AU2002320758A1 (zh)
WO (1) WO2004015712A1 (zh)

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