CN100377059C - Mobile media playback electronic device and signal conversion cable sharing headphone transmission end - Google Patents
Mobile media playback electronic device and signal conversion cable sharing headphone transmission end Download PDFInfo
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- CN100377059C CN100377059C CNB2005100293501A CN200510029350A CN100377059C CN 100377059 C CN100377059 C CN 100377059C CN B2005100293501 A CNB2005100293501 A CN B2005100293501A CN 200510029350 A CN200510029350 A CN 200510029350A CN 100377059 C CN100377059 C CN 100377059C
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Abstract
本发明是一种共用耳机传输端的移动式媒体播放电子装置及讯号转接线，是在一移动式媒体播放电子装置机构外观上设有一耳机传输端，该耳机传输端可供连接一连接器，并接收该连接器所传输的一讯号及电源，该耳机传输端并分别与设于该移动式电子装置内的一检测电路及一切换电路相连接，该检测电路及该切换电路另与一处理器相连接，该检测电路可对该连接器规格进行检测，并通知该处理器检测的结果，使该处理器将该切换电路切换成符合被连接在该耳机传输端的一连接器的规格的一讯号输入或输出状态，如此，该移动式电子装置能整合不同功能所属的耳机传输端于一处，以达成缩小体积、降低制造成本的目的。
The present invention is a mobile media player electronic device and a signal transfer cable that share an earphone transmission end. An earphone transmission end is provided on the appearance of a mobile media player electronic device mechanism. The earphone transmission end can be connected to a connector, and Receiving a signal and power transmitted by the connector, the earphone transmission end is respectively connected to a detection circuit and a switching circuit in the mobile electronic device, and the detection circuit and the switching circuit are also connected to a processor connected, the detection circuit can detect the connector specification, and notify the processor of the detection result, so that the processor switches the switching circuit to a signal that meets the specification of a connector connected to the earphone transmission end In this way, the mobile electronic device can integrate earphone transmission ports with different functions in one place, so as to reduce the volume and reduce the manufacturing cost.
Description
Technical field
The present invention refers to a kind of portable media play electronic installation with sharing earphone transmission ends especially relevant for a kind of portable media play electronic installation.
Background technology
Our life is now just marching toward an imformation age that electronic industry is flourish, various high-tech electronic products of being derived by digital technology are rapid very fast, electronic component and the peripheral equipment that is installed on the electronic equipment of all kinds constantly is developed, and be used in widely in its life and the working environment by all trades and professions, really brought greatest breakthrough for human development in science and technology, this development trend, not only quickened the speed and the efficient of information circulation, and be that people bring great convenience in life and work.Yet, along with the continuous research and development of current various electronics technologies with progress greatly, whether the practicality of associated electrical product and convenience satisfy user's demand, are the quite topics of care of consumer.
The widespread use of general MP3 walkman, become the indispensable important electronic tool of people already, the application of its diversification, except can listening to music and broadcasting, other develops carry-on hard disk, downloads such as recording pen and include the function that is put in one, and the dealer is in response to this powerful fashion trend and huge demand property, following manufacturer, in order to cater to user's demand, certainly will produce more convenient carrying and wieldy MP3 walkman, adhering to compact design concept invariably, continuous electronic component and peripheral equipment with various difference in functionalitys, be designed to exquisite small and exquisite face shaping, with the electronic installation that order is developed, more light and practical and do not take up space.
And at present the MP3 walkman has download such as carry-on hard disc, recording pen and includes the function that is put in one, all have the USB interface that connects computer apparatus, connect the earpiece holes of earphone and the recording hole of connection microphone, export/go into used interface for totally three kinds, yet, if desire to reach compact design concept, having so many joint certainly will can't reach compact design concept to the spatial design of MP3 walkman really to MP3 walkman many spaces that account for.
So how to propose a kind of portable media play electronic installation of sharing earphone transmission ends, use to reduce the circuit that repeats, can integrate simultaneously the affiliated earphone transmission ends of difference in functionality, to dwindle the volume of this movable type media play electronic installation, so that the reduction manufacturing cost, promptly become the important topic that one of needs to be resolved hurrily at present.
Summary of the invention
In view of this, if desire to reach compact design concept, having so many link certainly will be to MP3 walkman many space that account for, spatial design to the MP3 walkman can't be reached compact design concept really, therefore, the inventor is through the permanent research and experiment of making great efforts, and development and Design goes out the portable media play electronic installation of a kind of sharing earphone transmission ends of the present invention finally.
A purpose of the present invention is to provide a kind of portable media play electronic installation of sharing earphone transmission ends, be provided with a processor, one testing circuit and one switches circuit in a mobile electronic device, the mechanism of this mobile electronic device is provided with an earphone transmission ends in appearance, this earphone transmission ends can be for connecting a connector, and receive signal and the power supply that this connector transmits, this testing circuit then sends a result who detects to this processor according to this signal and power supply, this commutation circuit is switched to the state that signal is imported or signal is exported that meets this connector specification by this processor again, so, this movable type media play electronic installation can be integrated difference in functionality in this earphone transmission ends, make this earphone transmission ends be connected with the connector of difference in functionality, and by the output of this earphone transmission ends or import the signal of various not same-actions, reach reduced volume, reduce manufacturing cost purpose.
Another object of the present invention is, this mobile electronic device is provided with an input block, one power supply unit, one storage element and a radio wave reception converter, this radio wave reception converter is connected with this processor and this earphone transmission ends respectively, this radio wave reception converter can receive external a series of electric wave signal, this power supply unit provides the power supply of all runnings in this mobile electronic device, this storage element can store at least one archives of forming with digital signal, each archives can or deposit this storage element in by this earphone transmission ends output, this input block can transmit an instruction signal to this processor, and making this movable type media play electronic installation is that signal inputs or outputs state.
Another purpose of the present invention is, be provided with a transmission ends circuit in this earphone transmission ends, comprise a power supply input pin, the first transmission pin, second a transmission pin and the grounding leg, wherein this power supply input pin is connected to this testing circuit, this the first transmission pin and the second transmission pin are responsible for data transmission, and this first transmission pin and the second transmission pin are connected respectively to this commutation circuit, make this processor transmit pin and this commutation circuit transmission signals between this storage element and outside by this first and second.
Another purpose of the present invention is to provide a kind of signal patchcord, be provided with a USB connector and a column connector in a signal patchcord, this USB connector can be connected with a main frame, and this column connector is located at the other end of this signal patchcord in the face of this USB connector, be provided with a plurality of leads in the signal patchcord, these leads have different functions, this column connector can interconnect with an earphone transmission ends of a mobile electronic device, these leads are connected between this column connector and this USB connector, and make and carry out data transmission between this mobile electronic device and this main frame, so, characteristic by this signal patchcord, make this movable type media play electronic installation need not limit and use a traditional USB connector, and can make this movable type media play electronic installation reduce the configuration of transmission hole, and the increase more space can be made different composite designs.
For ease of to purpose of the present invention, shape, constructing apparatus feature and effect thereof, do further understanding and understanding, for the embodiment conjunction with figs., be described in detail as follows now:
Description of drawings
Fig. 1 is a block schematic diagram of the present invention;
Fig. 2 is the embodiments of the invention circuit diagrams;
Fig. 3 is the embodiment synoptic diagram of a connecting line of the present invention;
Fig. 4 is the embodiments of the invention synoptic diagram.
Embodiment
The present invention is a kind of mobile electronic device of sharing earphone transmission ends, please refer to shown in Figure 1, be at portable media play electronic installation a 1 (as: mobile phone, personal digital assistant or MP 3 players) in be provided with a processor 10, one testing circuit 20, one switches a circuit 30 and an earphone transmission ends 40, this earphone transmission ends 40 is located at an end on this mobile electronic device 1 surface, end with this testing circuit 20 and this commutation circuit 30 is connected respectively, and this earphone transmission ends 40 can be for connecting tool USB transfer protocol a connector 90, receive a signal and power supply that this connector 90 is transmitted, and the end in addition of this testing circuit 20 and this commutation circuit 30 is connected with an end of this processor 10 respectively, this testing circuit 20 can detect and notify this result that processor 10 detects according to the specification of this connector 90 that is connected, make this processor 10 according to testing result to this commutation circuit 30 carry out closing motion and or start this commutation circuit 30 and input or output state to switch to a signal according to the specification of this connector 90, so invention, after this earphone transmission ends 40 is electrically connected with arbitrary connector 90, can make this mobile electronic device 1 can integrate the affiliated earphone transmission ends 40 of difference in functionality in a place, to reach reduced volume, reduce the purpose of manufacturing cost.
A preferred embodiment of the present invention, please refer to shown in Figure 1, this movable type media play electronic installation 1 is provided with an input block 50 (as: button) that is connected with this processor 10 respectively, one power supply unit 60 (as: battery), one storage element 70 (as: Flash) and a radio wave reception converter 80 (as: frequency modulation broadcasting or Digital Audio Broadcasting), this radio wave reception converter 80 is connected with this processor 10 and this earphone transmission ends 40 respectively, this radio wave reception converter 80 can receive external a series of electric wave signal, this electric wave signal is exported by this earphone transmission ends 40 after this processor 10 is handled, this power supply unit 60 provides the power supply of all runnings in this mobile electronic device 1, this storage element 70 can store at least one archives of forming with digital signal, this storage element 70 be exported or be deposited in to each archives can by this earphone transmission ends 40 after this processor 10 is handled, this input block 50 can transmit an instruction signal (as: broadcasting, recording and broadcast instruction signal) to this processor 10, make this commutation circuit 30 switch this mobile electronic device 1 and input or output state for signal.
In this embodiment, please refer to shown in Figure 2, be provided with a transmission ends circuit 41 in this earphone transmission ends 40, comprise a power supply input pin 411 (as: USB 5V), the first transmission pin 412 (as: DM (D-), HP_R or LINEIN_R), the second transmission pin 413 (as: DP (D+), HP_L or LINEIN_L) and a grounding leg 414 (as: GND), wherein this power supply input pin 411 is connected to this testing circuit 20, this the first transmission pin 412 and the second transmission pin 413 are responsible for data transmission, and this first transmission pin 412 and the second transmission pin 413 are connected respectively to this commutation circuit 30, make this processor 10 by this first, two transmission pin 412,413 and this commutation circuit 30 transmission signals between this storage element 70 and outside, in addition, this transmission ends circuit 41 still is respectively equipped with the 3rd transmission pin 416 and the 4th transmission pin 417, the 3rd transmission pin 416 is connected with this commutation circuit 30 and the first transmission pin 412, and the 4th transmission pin 417 with and this second transmission pin 413 be connected, it is to receive the electric wave signal that this radio wave reception converter 80 is sent that the 3rd transmission pin 416 and the 4th transmits pin 417.
In addition, this grounding leg 414 is gone back an antenna 75 of this radio wave reception converter 80 of double as, so that this radio wave reception converter 80 is connected to this grounding leg 414.Therefore, one started the broadcasting instructions signal when what this input block 50 spread out of, it is after 80s that this instruction signal is delivered to this radio wave reception converter through this processor 10, this radio wave reception converter 80 begins to receive external a series of electric wave signal, this processor 10 open this commutation circuit 30 simultaneously and make this commutation circuit 30 cut off this first, two transmission pin 412,413, be about to this mobile electronic device 1 and switch to the signal output state, this electric wave signal is after these processor 10 signals are handled, and this electric wave signal reaches this connector 90 through this commutation circuit 30 by the 3rd transmission pin 416 and the 4th transmission pin 417; Or after this processor 10 signals processing, deposit in this storage element 70.
Among the present invention, please refer to shown in Figure 1 again, this testing circuit 20 is by the first transistor 21 (as: model is the P passage MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) (MOSFET) of Si2305), (as: model is the triode of 2sc4617 to triode 22, Triod) form, one end of this first transistor 21 is connected with this power supply input pin 411, the other end of this first transistor 21 then is connected with this triode 22, one end of this triode 22 then is connected with this processor 10, therefore, this processor 10 can be handled according to these power supply input pin 411 received power signals.In addition, please refer to shown in Figure 2 again, this commutation circuit 30 is by two transistor secondses 31 (as: model is the N passage MOSFET (Metal-Oxide-Semiconductor Field Effect Transistor) (MOSFET) of Si2312), one contactor 32 (as: model is the analog switch of SN74LV4066) is formed, one end of this two transistor seconds 31 and this contactor 32 respectively with this first, two transmission pin 412,413 are connected, this two transistor seconds 31 is connected with this processor 10 respectively with the other end of this contactor 32, in order to connect by this first, two transmission pin 412, the signal of 413 turnover, when this two transistor seconds 31 is closed by this processor 10, then switch 1 one-tenth signal input state of this mobile electronic device, make this first, two transmission pin 412,413 can import signal into; And this contactor 32 then switches 1 one-tenth signal output state of this mobile electronic device when being cut out by this processor 10, makes this first and second transmission pin 412,413 can spread out of signal.When a connector of tool USB transfer protocol and this earphone transmission ends during 40 electric joining, the power supply that this power supply input pin 411 is passed this power supply T-Ring 911 (+5V) reach this triode 22 through this first transistor 21, make this triode 22 and this processor 10 form electrically conducting, close this commutation circuit 30 to notify this processor 10, and this testing circuit 20 notify this processor 10 to close that this commutation circuit 30 makes it can't start, on the contrary, this connector of tool USB transfer protocol as yet not with this earphone transmission ends during 40 electric joining, this commutation circuit 30 is unlocked, and one of spread out of the play instruction signal according to this input block 50, make and close this contactor 32, make this mobile electronic device 1 form the signal output state.
In the present embodiment, please refer to Fig. 1 again, shown in 2, this is first years old, two transmission pin 412,413 are respectively equipped with the first data end 402 and the second data end 403, this 2 first data end 402 is the signals with the transmission input, and this 2 second data end 403 is the signals with transmission output, this 2 second data end 403 connects this commutation circuit 30 respectively, when making a connector 90 of tool USB transfer protocol be connected with this earphone transmission ends 40, this the first transmission pin 412 and the second transmission pin 413 connect two data T-Rings 912 of this connector 90 respectively, this power supply input pin 411 touches the set power supply T-Ring 911 of this connector 90, this power supply input pin 411 reaches this testing circuit 20 with the power supply that this power supply T-Ring 911 is passed, so that this testing circuit 20 transmits a detection signal to this processor 10, this processor 10 receives detection signal and when this commutation circuit 30 is closed, this 2 second data end 403 forms and opens circuit, make this 2 first data end 402 form unique transmission channel, and can carry out the signal transmission.
Again, please refer to shown in Figure 2 again, when having a left side, when another connector 91 (seeing the 3rd figure) (as: Earphone joint) of R channel pin and earth terminal 913 is connected with this earphone transmission ends 40, this is first years old, two transmission pin 412,413 with this left side, R channel pin 912 is connected, this moment, this processor 10 did not receive detection signal, and this commutation circuit 30 is unlocked, the play instruction signal that this commutation circuit 30 is spread out of according to this input block 50, this 2 first data end 402 is formed to open circuit, even this mobile electronic device 1 forms signal output state, this 2 second data end 403 can via this first, two transmission pin 412,413 carry out signal transfers to the outside; Simultaneously, this power supply input pin 411 is connected with this earth terminal 913 jointly with this grounding leg 414, make this power supply input pin 411 and this grounding leg 414 form short circuit, and this power supply input pin 411 does not just have effect.
Again, please refer to Fig. 1 again, shown in 2, when having a left side, when the another connector 91 of R channel pin 912 and earth terminal 913 (seeing the 3rd figure) (as: microphone connector) is connected with this earphone transmission ends 40, this is first years old, two transmission pin 412,413 with this left side, R channel pin 912 is connected, this moment, this processor 10 did not receive detection signal, and this commutation circuit 30 is unlocked, the record command signal that this commutation circuit 30 is spread out of according to this input block 50, this 2 first data end 402 is formed to open circuit, even this mobile electronic device 1 forms signal output state, this 2 second data end 403 can via this first, two transmission pin 412,413 carry out signal transfers to the outside; Simultaneously, this power supply input pin 411 is connected with this earth terminal 913 jointly with this grounding leg 414, make this power supply input pin 411 and this grounding leg 414 form short circuit, and this power supply input pin 411 does not just have effect.
The present invention is a kind of signal patchcord, please refer to shown in Figure 4, be that a end in a signal patchcord 92 is provided with a USB connector 94, this USB connector 94 can be connected with a main frame 95 (as: computer), and these signal patchcord 92 other ends are provided with a column connector 93, this column connector can interconnect with an earphone transmission ends 40 of a mobile electronic device 1, be provided with a plurality of leads in the signal patchcord 92, these leads have different function (as: power supplys, the transmission of data etc.), these leads are connected in 94 of this column connector and this USB connector, and make and carry out data transmission between this mobile electronic device 1 and this main frame 95, so, characteristic by this signal patchcord 92, make this mobile electronic device 1 need not limit and use one of the tradition USB connector, and can make this mobile electronic device 1 reduce the configuration of transmission hole, and increase more space, can make different composite designs.
In the most preferred embodiment of the present invention, please refer to Fig. 2 again, shown in 4, this column connector 93 is to dispose a plurality of biography T-Rings in regular turn on the surface, each lead passes T-Ring and joins with each in this signal patchcord 92, these pass between T-Ring and are isolated each other mutually with a dead ring 93 respectively, transmit with the independent signal that externally carries out, these of this connector 90 pass T-Ring can be defined as a power supply T-Ring 911 (USB 5V) respectively, two data T-Rings 912 (D-and D+) and an earth terminal 913 (GND), when this column connector 93 is connected with this earphone transmission ends 40 and carry out the signal transmission, this power supply T-Ring 911 is to be connected with the set power supply input pin 411 of this earphone transmission ends 40, to transmit power supply to this mobile electronic device 1, this two data T-Ring 912 and this earphone transmission ends respectively 40 set first transmission pin 412 and the second transmission pin 413 are connected, connect signal between this mobile electronic device 1 and outside, to pass, and this earth terminal 913 connects a ground connection 415 of this mobile electronic device 1 through this earphone transmission ends 40.
As from the foregoing, USB plug on the MP3 player commonly used, earpiece holes and recording hole can be integrated into a shared earphone transmission ends 40, judgement and operation by this testing circuit 20 and this commutation circuit 30, make a MP3 player can connect a device of USB slot, headset plug or microphone plug arbitrarily, and need not have so many plug with this earphone transmission ends 40; Add that another signal patchcord 92 of the present invention also can solve USB plug commonly used and this earphone transmission ends 40 substandard problems.
The above only is a specific embodiment of the best of the present invention, but structural attitude of the present invention is not limited thereto, and anyly is familiar with present technique field person in field of the present invention, can think easily and variation or modification, all can be encompassed in the claim of following this case.
Claims (10)
1. the portable media play electronic installation of a sharing earphone transmission ends is provided with in it:
One earphone transmission ends is located at this movable type media play electronic installation surface, and this earphone transmission ends can receive a signal and power supply that this connector transmits for a connector that connects tool USB transfer protocol;
One testing circuit is connected with this earphone transmission ends, detects and gives notice according to the specification of this connector;
One switches circuit, is connected with this earphone transmission ends, and inputs or outputs state to switch to a signal that meets the connector specification;
One processor is connected with this testing circuit and this commutation circuit respectively, but and the notice sent of this processor receiving test circuit, this commutation circuit is started or closing motion.
2. device as claimed in claim 1 is characterized in that, this movable type media play electronic installation is provided with:
One input block is connected with this processor, can transmit an instruction signal to this processor, becomes signal to input or output the foundation of state as switching this movable type media play electronic installation;
One power supply unit is connected with this processor, and the power supply of all runnings in this movable type media play electronic installation is provided;
One storage element is connected with this processor, and can store at least one archives of forming with signal, and each archives can be by this earphone transmission ends output after this processor processing;
One radio wave reception converter, this radio wave reception converter system joins with this processor and this earphone transmission ends respectively, and this radio wave reception converter can receive external a series of electric wave signal, and this electric wave signal is exported by this earphone transmission ends after this processor processing.
3. device as claimed in claim 2 is characterized in that, these archives can deposit in this storage element after this processor processing.
4. device as claimed in claim 2 is characterized in that, this electric wave signal can deposit in this storage element after this processor processing.
5. device as claimed in claim 2 is characterized in that, is provided with a transmission ends circuit in this earphone transmission ends, and this transmission ends circuit comprises:
One power supply input pin can be connected to the set power supply T-Ring of this testing circuit and this connector respectively:
The first transmission pin is responsible for data transmission, and this first transmission pin can connect a data T-Ring and this radio wave reception converter of this connector respectively;
The second transmission pin is responsible for data transmission, and an end of this second transmission pin can connect another data T-Ring and this radio wave reception converter of this connector respectively;
One grounding leg, as an antenna of this radio wave reception converter, this grounding leg connects an earth terminal of a ground connection, this radio wave reception converter and this connector of this mobile electronic device respectively.
6. device as claimed in claim 5 is characterized in that, this transmission ends circuit also comprises:
The 3rd transmission pin is connected with this commutation circuit and the first transmission pin, and the 3rd transmission pin can receive the electric wave signal that this radio wave reception converter sends;
The 4th transmission pin is connected with this commutation circuit and the second transmission pin, and the 4th transmission pin can receive the electric wave signal that this radio wave reception converter sends.
7. device as claimed in claim 1 is characterized in that, this testing circuit includes:
The first transistor is connected with this power supply input pin;
Triode is connected with this processor and this first transistor respectively, and power supply reaches this triode through this first transistor.
8. device as claimed in claim 5 is characterized in that, this commutation circuit includes:
Two transistor secondses transmit pin with this first and second respectively and this processor is connected, and these two transistor secondses can be closed to switch to the signal output state by this processor, make this first and second transmission pin can spread out of signal;
One contactor is connected with these two transistor secondses, first and second transmission pin and this processor respectively, and this contactor can cut out to switch to the signal input state by this processor, makes this first and second transmission pin can import signal into.
9. device as claimed in claim 5 is characterized in that, this first transmission pin is respectively equipped with:
The first data end connects the signal of this commutation circuit with the transmission input;
The second data end connects the signal of this commutation circuit with transmission input and output.
10. device as claimed in claim 1 is characterized in that, this mobile electronic device can be a MP3 player of tool USB transfer protocol connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100293501A CN100377059C (en) | 2005-09-02 | 2005-09-02 | Mobile media playback electronic device and signal conversion cable sharing headphone transmission end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100293501A CN100377059C (en) | 2005-09-02 | 2005-09-02 | Mobile media playback electronic device and signal conversion cable sharing headphone transmission end |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1924782A CN1924782A (en) | 2007-03-07 |
| CN100377059C true CN100377059C (en) | 2008-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100293501A Expired - Lifetime CN100377059C (en) | 2005-09-02 | 2005-09-02 | Mobile media playback electronic device and signal conversion cable sharing headphone transmission end |
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| Country | Link |
|---|---|
| CN (1) | CN100377059C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1276309A2 (en) * | 2001-07-12 | 2003-01-15 | Kabushiki Kaisha Toshiba | Mobile communication terminal |
| CN1406430A (en) * | 2000-02-29 | 2003-03-26 | 京瓷株式会社 | Portable information terminal, digital camera for portable information terminal, and portable digital camera information terminal system |
| CN1506828A (en) * | 2002-12-06 | 2004-06-23 | 瑞昱半导体股份有限公司 | Automatic analog signal output/input distinguishing device and method |
-
2005
- 2005-09-02 CN CNB2005100293501A patent/CN100377059C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1406430A (en) * | 2000-02-29 | 2003-03-26 | 京瓷株式会社 | Portable information terminal, digital camera for portable information terminal, and portable digital camera information terminal system |
| EP1276309A2 (en) * | 2001-07-12 | 2003-01-15 | Kabushiki Kaisha Toshiba | Mobile communication terminal |
| CN1506828A (en) * | 2002-12-06 | 2004-06-23 | 瑞昱半导体股份有限公司 | Automatic analog signal output/input distinguishing device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1924782A (en) | 2007-03-07 |
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Effective date of registration: 20180312 Address after: 100085 Beijing city Haidian District Qinghe Street No. 68 Huarun colorful city shopping center two floor 9 room 01 Patentee after: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Address before: Nanjing City, Jiangsu province 210006 Crane Street No. 100 Patentee before: IAC (Nanjing) Technology Co.,Ltd. |
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Granted publication date: 20080326 |