CN2706800Y - Portable MP3 media player with network function - Google Patents
Portable MP3 media player with network function Download PDFInfo
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- CN2706800Y CN2706800Y CN 200420004256 CN200420004256U CN2706800Y CN 2706800 Y CN2706800 Y CN 2706800Y CN 200420004256 CN200420004256 CN 200420004256 CN 200420004256 U CN200420004256 U CN 200420004256U CN 2706800 Y CN2706800 Y CN 2706800Y
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Abstract
The utility model discloses a portable MP3 media player with a network function, at least comprising an MP3 CPU, a power management module and an audio frequency module. The MP3 CPU is used for receiving the user's connecting command which comes from an input module and sending the connecting request to a network connection module. The network connection module is used for establishing connection with the network according to the connecting request which is sent out from the MP3 CPU. The MP3 Player of the utility model can be connected with the network through the network connection module, and thereby the users can download MP3 at any time and any place, realizing resource share with other devices through the network connection module.
Description
Technical field
The utility model relates to portable electronic device (MP3), refers in particular to a kind of Portable MP 3 media player with network function.
Background technology
Since first MP3 media player in 1998 came out, the MP3 media player just became a hot issue of industry even mass media's concern.And along with the widespread use of embedded technology, the MP3 media player also more and more is subjected to people's welcome.The MP3 media player can obtain the MP3 audio file by following dual mode in the prior art.
First kind: need download MP3 player audio file with the file of .mp3 suffix by computer.This mode needs the consumer that the computer that can surf the Net must be arranged, and need be with the music download on the network to hard disk, again by the USB that is connected with computer or 1394 interfaces from hard disk with downloaded to media player.This mode process is loaded down with trivial details, and the user is download audio files whenever and wherever possible, brings great restriction for user's download MP3 audio file, and has limited the utilization of resources in the MP3 player and share.
Second kind: have the equipment of content sources by other,, transmit content fast as personal video recorder.This mode only limits to have the equipment of content sources, and must carry out both-way communication by special purpose interface, special software and MP3 player.Therefore, this mode will influence the versatility of MP3 player, as standardization, resource sharing, intercommunity etc.
In sum, for existing MP3 player, above-mentioned two kinds of modes of obtaining audio file can't guarantee that all the user fast, need easily.And because the development trend of MP3 media player is that capacity is big, volume is little, function is strong and outward appearance is novel, therefore the method for this MP3 of obtaining audio file contradicts with the development trend of present MP3 media player.
Summary of the invention
In view of this, the purpose of this utility model provides a kind of portable electronic device with network function, makes the user download the MP3 resource whenever and wherever possible by network.
A kind of MP3 media player that the utility model provides comprises MP3 CPU (central processing unit), power management module, audio-frequency module at least, also comprises:
Network connecting module is used for the connection request that sends according to the MP3 CPU (central processing unit), connects with network, thereby shares and download the MP3 resource;
Described MP3 CPU (central processing unit) is used to receive the user's bind command from load module, sends connection request to network connecting module.
Described network connecting module is ethernet interface circuit, wireless LAN card circuit and wireless GPRS Modem circuit thrin or three's a combination in any.
Described MP3 media player further comprises: usb circuit, link to each other with non-local USB device with the MP3 central processing unit, and be used for downloading the MP3 resource from non-local USB device, the local USB device of inclusive NAND is shared the MP3 resource.
Described MP3 media player further comprises:
The ide interface circuit, linking to each other with the MP3 central processing unit links to each other with outside IDE hard disk, is used for the control of basis at the MP3 central processing unit, store M P3 resource on the IDE hard disk.
When network connecting module was ethernet interface circuit, described MP3 CPU (central processing unit) linked to each other by address bus, data bus and control bus with ethernet interface circuit.
When network connecting module was the wireless LAN card circuit, described MP3 CPU (central processing unit) was passed through address bus, data bus and control bus with the wireless LAN card circuit and was linked to each other.
Described control bus is the standard pcmcia bus.
When network connecting module was wireless GPRS Modem circuit, described MP3 CPU (central processing unit) linked to each other by the UART interface with wireless GPRS Modem circuit.
MP3 player of the present utility model can pass through Ethernet interface, middle apart from wireless LAN card and the wireless device of long distance or the combination in any between them, inserts corresponding network, thereby makes the user can download the MP3 audio file whenever and wherever possible.Simultaneously owing to can utilize device of the present utility model online, so this device also can and other networks or network in equipment between realize resource sharing.
Description of drawings
Fig. 1 is for realizing structural representation of the present utility model;
Fig. 2 is for realizing the specific embodiment of the utility model structural representation;
Fig. 3 is central processing unit in the MP3 media player of present embodiment and the connection diagram between the network connecting module;
Fig. 4 a is an Ethernet card interface circuit schematic diagram, and Fig. 4 b is the connection diagram of central processing unit and ethernet interface circuit;
Fig. 5 a is the connection diagram between central processing unit of the present utility model and the wireless LAN card circuit; Fig. 5 b is PCMCIA (personal computer memory card international association) (PCMCIA) the control bus connection diagram between central processing unit of the present utility model and the wireless LAN card circuit;
Fig. 6 is the connection diagram between central processing unit of the present utility model and the wireless GPRS interface circuit;
Fig. 7 is the connection diagram of central processing unit of the present utility model and usb circuit.
Embodiment
Referring to shown in Figure 1, MP3 media player of the present utility model comprises: MP3 CPU (central processing unit) 101, power management module 102, audio interface circuit 103, network connecting module 104 and load module 105.Wherein, MP3 CPU (central processing unit) 101 also is used to receive the user's bind command from load module 105 except the function of finishing normal MP3 media player, sends connection request to network connecting module; Network connecting module 104 is used to receive the connection request that MP3 CPU (central processing unit) 101 is sent, and connects with network, thereby shares and download MP3 resource.And network connecting module can be ethernet interface module, WLAN (wireless local area network) card module and wireless global system for mobile communications (GPRS) Modem module thrin or three's combination in any; Audio interface circuit is used for output audio; Load module 105 is the keyboard that can operate and touch-screen etc.Certainly, the MP3 player can further include the ide interface circuit, facilitates the use a large amount of MP3 audio file of IDE hard-disc storage.Certainly, can also comprise usb circuit, link to each other with non-local USB device that be used for downloading the MP3 resource from non-local USB device, the local USB device of inclusive NAND is shared the MP3 resource with the MP3 central processing unit.Describe the technical solution of the utility model in detail below in conjunction with the drawings and specific embodiments.
Referring to shown in Figure 2, the network connecting module in the present embodiment can be ethernet interface circuit, wireless LAN card circuit and wireless GPRS Modem circuit.Wherein, ethernet interface circuit 201 be used to provide insert exterior I nternet or and other online computer equipments of local realize the ethernet interface circuit of resource sharings, the 100M Ethernet can be made up of Ne2000 chipset or DLINK chipset; Wireless LAN card circuit 202 is used for realizing the client NIC function apart from WLAN, and can insert external network (Internet) by the access point (AP) of WLAN (wireless local area network), perhaps with network on other equipment realize resource sharings, can form by Intersil or AGERE 802.11a/b/g chipset; Wireless GPRS Modem circuit 203 is used to realize the wireless Modem circuit of long distance, can there be length to cover by this wireless Modem circuit apart from wireless network, as GPRS network, utilize exterior I nternet to download required file resource whenever and wherever possible, wireless GPRS Modem module can be made up of wireless modem chipsets such as SeimensMC45.
USB2.0 can be made up of the CY68001 of Cypress or the ISP1583 of Philips.Operating system is made up of embedded systems such as WinCE, PocketPC or Linux.
When the user was in external environment condition, the user can send network connecting request to the MP3 central processing unit by load module; After the MP3 central processing unit is received this request, send bind command to wireless GPRS Modem circuit by domestic os; Wireless GPRS Modem circuit sends the connection request that contains self identification to network side then, after network side is received this request, according to user ID this user is carried out authentication, if authentication is passed through, then send connection response to wireless GPRS Modem circuit, allow this MP3 media player access network, otherwise notice wireless GPRS Modem circuit refusal inserts.After connecting, the user can download required resources such as MP3 audio file by the browser browsing page.
Certainly, the user can send the Ethernet connection request to the MP3 central processing unit by load module, after the MP3 central processing unit is received this request, sends bind command by the operating system of inside to ethernet interface module; After ethernet interface module is received this bind command, send the connection request that contains self identification to network side; After network side is received this request, this user is carried out authentication,, then send connection response, allow this MP3 media player access network, otherwise notice ethernet interface module refusal inserts to ethernet interface module if authentication is passed through according to user ID.After connecting, the user can download required mp3 file resource by the browser browsing page.
If confirm that wlan network can insert Internet, when the user is in internal environment, at first load module sends the WLAN bind command request of setting up by embedded OS to central processing unit, after central processing unit is received this request, send to the wireless LAN card circuit by embedded OS and to set up the WLAN bind command, the wireless LAN card circuit sends network connecting request according to this order to the AP of wlan network, AP according to this connection request verification identity after, send and allow order notice wireless LAN card can set up WLAN to connect.The user just can send Internet bind command request to AP by embedded OS and central processing unit and set up network and is connected this moment, and like this, the user is the required mp3 file resource of energy browsing page download just.
Certainly, the user can select WLAN/GPRS network/Ethernet when selecting Internet to insert.
Realize that by Ethernet or wlan network the situation of resource sharing and wlan network insert similar, different is, the resource sharing pattern only needs to send the order that inquiry can provide network share service equipment by load module to embedded OS and central processing unit, and required authentication gets final product when this equipment of access is provided, and does not need to set up Internet and connects.
Referring to shown in Figure 3, the central processing unit in the MP3 media player of present embodiment can provide standard interfaces such as PCMCIA, UART, USB.This MP3 media player can be connected with wireless network card circuit, usb circuit, ethernet interface circuit and wireless GPRS interface circuit respectively by pcmcia interface, Ethernet interface, USB interface and wireless GPRS interface.In actual application, the MP3 CPU (central processing unit) can adopt Intel Xscale PXA255 model.
Below be to be that Intel Xscale PXA255 is an example, being connected between central processing unit and each network connecting module is described respectively with the MP3 central processing unit.
Fig. 4 a is depicted as Ethernet card interface circuit schematic diagram, and Fig. 4 b is the connection diagram of central processing unit and ethernet interface circuit.As can be seen, the Ethernet card interface circuit includes three groups of buses from Fig. 4 a, is respectively data bus (Data Bus) (0～15), address bus (Address Bus) (0～19) and control bus (Control Bus) (0～13).Shown in Fig. 4 b, link to each other by these three groups of buses between central processing unit and the ethernet interface circuit.
Figure 5 shows that the interface synoptic diagram between central processing unit and the wireless LAN card circuit.The wireless LAN card circuit comprises three groups of buses, is respectively data bus (0～15), address bus (0～10), control bus (0～9).Shown in Fig. 5 b, control bus is the pcmcia bus of standard.Central processing unit links to each other by these three groups of buses with the wireless network card circuit.
Fig. 6 is the connection diagram between wireless GPRS interface circuit and the central processing unit.Central processing unit links to each other with the GPRS interface circuit by universal asynchronous receiving-transmitting (URAT) interface.
Fig. 7 is the connection diagram of central processing unit and usb circuit.Central processing unit links to each other with usb circuit with control bus (0～11) by data bus (0～15), address bus (1～3).Wherein usb circuit figure as shown in the figure.
Claims (8)
1, a kind of MP3 media player comprises MP3 CPU (central processing unit), power management module, audio-frequency module at least, it is characterized in that, also comprises:
Network connecting module is used for the connection request that sends according to the MP3 CPU (central processing unit), connects with network;
Described MP3 CPU (central processing unit) is used to receive the user's bind command from load module, sends connection request to network connecting module.
2, MP3 media player according to claim 1 is characterized in that, described network connecting module is ethernet interface circuit, wireless LAN card circuit and wireless GPRS Modem circuit thrin or three's a combination in any.
3, MP3 media player according to claim 1, it is characterized in that, described MP3 media player further comprises: usb circuit, link to each other with non-local USB device with the MP3 central processing unit, be used for downloading the MP3 resource from non-local USB device, the local USB device of inclusive NAND is shared the MP3 resource.
4, MP3 media player according to claim 1 is characterized in that, described MP3 media player further comprises:
The ide interface circuit, linking to each other with the MP3 central processing unit links to each other with outside IDE hard disk, is used for the control of basis at the MP3 central processing unit, store M P3 resource on the IDE hard disk.
5, MP3 media player according to claim 2 is characterized in that, when network connecting module was ethernet interface circuit, described MP3 CPU (central processing unit) linked to each other by address bus, data bus and control bus with ethernet interface circuit.
6, MP3 media player according to claim 2 is characterized in that, when network connecting module was the wireless LAN card circuit, described MP3 CPU (central processing unit) linked to each other by address bus, data bus and control bus with the wireless LAN card circuit.
7, MP3 media player according to claim 6 is characterized in that, described control bus is the standard pcmcia bus.
8, MP3 media player according to claim 2 is characterized in that, when network connecting module was wireless GPRS Modem circuit, described MP3 CPU (central processing unit) linked to each other by the UART interface with wireless GPRS Modem circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420004256 CN2706800Y (en) | 2004-02-24 | 2004-02-24 | Portable MP3 media player with network function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420004256 CN2706800Y (en) | 2004-02-24 | 2004-02-24 | Portable MP3 media player with network function |
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| Publication Number | Publication Date |
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| CN2706800Y true CN2706800Y (en) | 2005-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200420004256 Expired - Lifetime CN2706800Y (en) | 2004-02-24 | 2004-02-24 | Portable MP3 media player with network function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377962A (en) * | 2010-08-26 | 2012-03-14 | 李剑 | Network video and audio stick with MP3 (MPEG Audio Layer 3) music playing function |
| CN103021448A (en) * | 2012-12-27 | 2013-04-03 | 李亚奇 | Network MP3 (Moving Picture Experts Group Audio Layer-3) power amplifier integrated machine |
| WO2017028113A1 (en) * | 2015-08-16 | 2017-02-23 | 胡丹丽 | Audio player having handwriting input function and playing method therefor |
-
2004
- 2004-02-24 CN CN 200420004256 patent/CN2706800Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377962A (en) * | 2010-08-26 | 2012-03-14 | 李剑 | Network video and audio stick with MP3 (MPEG Audio Layer 3) music playing function |
| CN103021448A (en) * | 2012-12-27 | 2013-04-03 | 李亚奇 | Network MP3 (Moving Picture Experts Group Audio Layer-3) power amplifier integrated machine |
| WO2017028113A1 (en) * | 2015-08-16 | 2017-02-23 | 胡丹丽 | Audio player having handwriting input function and playing method therefor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140224 Granted publication date: 20050629 |