CN1625168A - Radio data communication device and data procesing method thereof - Google Patents
Radio data communication device and data procesing method thereof Download PDFInfo
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Abstract
This invention discloses a radio data communication device, including the controller unit, system interface unit, radio receiving and sending units and external storage interface unit; the relating controller unit is linked to the system interface unit, the radio sending and receiving units and the external storage interface unit to control the operation of every unit; the relating system interface is used to establish the data channel between radio data communication device and the data processing system; the relating external storage interface is used to establish the data channel between the radio data communication device and the external storage device.
Description
Technical field
The present invention relates to data information transmission and processing, especially relate to a kind of wireless data communication device and data processing method thereof.
Background technology
In recent years, be accompanied by the fast development of information technology, the Internet and people's life is more and more closer, we can be connected computer by public switched telephone network or other special-purpose network facilitiess with the Internet, particularly, we can also receive and send messages through public wireless network by a series of apparatus and method.
Open day is February 19 in 2003, application number is that 02114797 Chinese invention patent application discloses a kind of wireless data communication device that is used for data handling system, this wireless data communication device comprises the serial that connects data handling system and described device, parallel or Wireless communication interface module, also comprise controller module, radio receiving transmitting module, described controller module is connected with described interface module, radio receiving transmitting module, and support flowing of data message, described controller module is coordinated the work of each module.Described wireless data communication device can be received and sent messages through public wireless network, and has the memory function of data.
But, the wireless data communication device of the prior art has the some shortcomings part: at first, the storage medium of described wireless data communication device is fixed, so finite capacity of storage, expand relatively difficulty of its memory capacity, when adopting described wireless data communication device to realize the external memory function of data handling system, when the capacity for the data of research repeatedly in time preserved if desired is big, can't satisfy the external memory demand of described data handling system.
Secondly, the wireless data communication device of prior art and other storage devices carry out very inconvenience of exchanges data, if want with this wireless data communication device and other storage devices on the market, especially storage card such as SD (Secure Digital), CF (CompactFlash), MMC (MultiMedia Card), MS (MemoryStick), SM (SmartMedia), MD (MicroDrive) and x-D storage cards such as (x-D PictureCard) carries out exchanges data, must use data handling system such as host computer as controlling platform, control exchanges data between the two.Like this, when the user wanted to carry out exchanges data between this wireless data communication device and above-mentioned storage cards such as SD, CF, MMC, MS, SM, MD and x-D, operation was with regard to more complicated.
And, these storage cards also will could be connected with data handling system by the interface of special use, because at present the interface type of various sorts of memory cards and the agreement of employing have nothing in common with each other, make data handling system need dispose a plurality of interfaces and could realize exchanges data between described wireless data communication device and other storage cards.Especially work as the user and want on a data handling system, to use simultaneously this wireless data communication device and above-mentioned storage cards such as SD, CF, MMC, MS, SM, MD and x-D out of doors, will bring many inconvenience because of the restriction of interface, even can't use simultaneously.
Summary of the invention
Because the wireless data communication device of prior art is difficult to satisfy the bigger external memory demand of capacity of data handling system, the technical problem that the present invention solves is to provide a kind of convenience and other External memory equipment swap datas, thus but the wireless data communication device and the data processing method thereof of growth data treatment system external memory capacity.
For this reason, the technical scheme of technical solution problem of the present invention is: a kind of wireless data communication device is provided, comprises controller unit, system interface unit and wireless transmit/receive units; Described controller unit is connected with system interface unit, wireless transmit/receive units, is used to control the work of each unit; Described system interface unit is used to set up the data channel between described wireless data communication device and the data handling system; It is characterized in that: also comprise relating external storage interface, described relating external storage interface is connected with controller unit, is used to set up the data channel between described wireless data communication device and the External memory equipment.
The present invention also provides a kind of data processing method of wireless data communication device, comprises step:
1) the described wireless data communication device of initialization;
2) when system interface unit connects wireless data communication device and data handling system, in data handling system, produce the wireless data communication device drive;
Whether 3) controller unit detects has External memory equipment to insert described wireless data communication device by described relating external storage interface, if any, then connect;
4) controller unit responds the data access order of described data handling system to External memory equipment.
With respect to prior art, the invention has the beneficial effects as follows: at first, because wireless data communication device of the present invention comprises the relating external storage interface that is connected with controller unit, described relating external storage interface can connect External memory equipments such as SM, CF, MMC, SD, MS, MD and x-D, also can connect hard disk, portable hard drive and other semiconductor storage etc., make that satisfying the bigger external memory demand of data handling system capacity becomes possibility.Secondly, wireless data communication device of the present invention can realize under the situation that does not connect data handling system and External memory equipment between or a plurality of External memory equipment exchanges data each other, prior art must adopt data handling system as controlling platform relatively, operation obtains simplifying, and greatly facilitates the user.
Description of drawings
Fig. 1 is the block diagram of wireless data communication device of the present invention;
Fig. 2 is the circuit theory diagrams of system interface unit;
Fig. 3 is the circuit theory diagrams of SM interface in the relating external storage interface;
Fig. 4 is the circuit theory diagrams of CF interface in the relating external storage interface;
Fig. 5 is the circuit theory diagrams of SD/MMC interface in the relating external storage interface;
Fig. 6 is the circuit theory diagrams of MS interface in the relating external storage interface;
Fig. 7 is the circuit theory diagrams of USB interface in the system interface unit;
Fig. 8 is the circuit theory diagrams of IEEE1394 interface in the system interface unit;
Fig. 9 is the circuit theory diagrams of first control device in the controller unit;
Figure 10 is the circuit theory diagrams of storage control in the controller unit;
Figure 11 is the circuit theory diagrams of power subsystem;
Figure 12 is the circuit theory diagrams of liquid crystal display device in the operating state indicating member;
Figure 13 is the flow chart that wireless data communication device of the present invention is in first mode of operation;
Figure 14 is the flow chart that wireless data communication device of the present invention is in second mode of operation.
Embodiment
See also Fig. 1, wireless data communication device of the present invention is connected with External memory equipment 20 with data handling system 40, comprises controller unit 11, system interface unit 2, relating external storage interface 4 and wireless transmit/receive units 8.Described controller unit 11 is connected with system interface unit 2, relating external storage interface 4, wireless transmit/receive units 8, support flowing and coordinating the work of each unit of data message, described system interface unit 2 is connected to external data treatment system 40 with described wireless data communication device, described relating external storage interface 4 is used to connect External memory equipment 20, and described wireless transmit/receive units 8 is received and sent messages through public wireless network under control unit 11 controls.
Described wireless data communication device also comprises power subsystem 1, and it can obtain the power supply supply from data handling system 40 via system interface unit 2.Also can adopt external power source and/or self-powered, also be provided with power control switch (figure does not show) under self-powered situation, described power control switch can cut off, connect the power supply supply of described wireless data communication device.Described self-powered can be photocell, primary cell and/or rechargeable battery.It is the rechargeable battery charging that carries that described power subsystem 1 can be provided with translation circuit.
Be prompting user profile and work state information, described wireless data communication device also comprises operating state indicating member 3, and the indicating device of described operating state indicating member 3 can be liquid crystal display, dot matrix LEDs, led state prompting, auditory tone cues and vibrations device etc.
Described wireless data communication device also comprises the identification code unit 5 that is connected with controller unit 11, be used to store identification code, this identification code can be a unique sequence number or character string, can be used as the electronic ID card of described wireless data communication device, also can provide key for the encrypting and decrypting algorithm.This identification code can be solidificated in the described wireless data communication device, also can be modified.This identification code also can be one group of sequence number or character string.
Described wireless data communication device also comprises internal storage unit 10, and preferentially uses flash memory, and described internal storage unit 10 is connected with controller unit 11.
Described wireless data communication device also comprises the manual control unit 12 that is connected with controller unit 11, is used for realizing that described wireless data communication device data obtain the manual control with functions such as transmission, information indicating, mode of operation switchings.
Described wireless data communication device also comprises the wireless network user identification unit 6 that is connected with wireless transmit/receive units 8, send words receiver unit 9 and dual-mode antenna unit 7.
The various electronic equipments that data-handling capacity is arranged of data handling system 40 general references of the present invention include but not limited to various personal computers, minicom, data processing work station and various exclusive data treatment system with external memory function.
See also Fig. 1 and Fig. 2, described system interface unit 2 is connected with controller unit 11, serial between described radio communication device and the data handling system 40, parallel or wireless communication interface are provided, and the system interface unit 2 of present embodiment adopts USB interface.
The interface of described system interface unit 2 can be wired general-purpose interface or radio universal interface.The interface type of described system interface unit 2 comprises USB interface, IEEE1394 interface, bluetooth (Blue Tooth) interface, IrDA infrared interface, HomeRF interface, IEEE802.11a interface or interfaces such as IEEE802.11b, wired wide area/lan interfaces and/or wireless wide-area/lan interfaces.Both can be individual interface in the described system interface unit 2, also can be the combination of a plurality of same-interfaces and/or a plurality of dissimilar interfaces, each interface by separately based on interface protocol and different data handling system connections.
See also Fig. 3 to Fig. 8, described relating external storage interface 4 is connected with controller unit 11, is the interface that is used to connect described radio communication device and External memory equipment 20.External memory equipments such as SM, CF, MMC, SDMS, MD and x-D be can connect, hard disk, portable hard drive, other semiconductor storage etc. also can be connected.Described relating external storage interface 4 can be individual interface, also can be that a plurality of same-interfaces are or/and the combination of a plurality of dissimilar interfaces.
Interface in the described relating external storage interface 4 comprises interfaces such as being not limited to SM (with reference to Fig. 3), MMC/SD (with reference to Fig. 4), CF (with reference to Fig. 5), MS (with reference to Fig. 6), MD and x-D, and the interface in the described relating external storage interface 4 also comprises USB (with reference to Fig. 7), IEEE1394 (with reference to Fig. 8), IDE, SCSI, Bluetooth, IrDA, series interfaces such as HomeRF, IEEE802.1x.
See also Fig. 9 to Figure 10, described controller unit 11 comprises RFDC controller and storage control, and described RFDC controller and storage control can be independently, also can unite two into one.
With reference to figure 9, be solidified with first solidification software in the RFDC controller of described controller unit 11, its major function is: by standard RS232 serial ports finish with wireless transmit/receive units 8 between communicate by letter; Have controlled function simultaneously concurrently to serial, parallel or wireless communication interface, and by system interface unit 2 finish with main frame between communicate by letter.Present embodiment adopts the application specific processor chip U5 of a 64PIN, and U5 is the microprocessor with USB interface controlled function, and XT2 is the 6MHz crystal oscillator among the figure.
With reference to Figure 10, be solidified with second solidification software in the storage of described controller unit 11 control.Its major function is: not only carry out the internal storage unit 10 of data handling system more than 40 described wireless data communication devices and/or the data storage command of External memory equipment 20, can also be implemented in and read the data in the External memory equipment 20 when not connecting data handling system 40 and store in the internal storage unit 10 or read storage in the internal storage unit 10 in External memory equipment 20.The S3C44B0 chip U15 that the storage control spare of present embodiment adopts SAMSUNG company to produce, be used for central control and treatment, finish the control of docking port with concrete interface controller chip, realize that apparatus of the present invention can carry out exchanges data and data access between data handling system 40, dissimilar External memory equipment 20 and internal storage unit 10, and apparatus of the present invention do not connect under the situation of data handling system, realize carrying out exchanges data and data access between internal storage unit 10 and the External memory equipment 20.
Described controller unit 11 is supported the interface of multiple various criterion, comprises parallel, serial line interface or wave point; Be used to control described system interface unit 2 and relating external storage interface 4, explain, change, control and transmit the agreement of described various criterion interface; Parallel, the serial that comprises that identification connects and/or the type of wave point, and selection corresponding interface agreement, being connected of External memory equipment 20 that initialization is connected with described wireless data communication device and data handling system 40 is according to exchanges data or the data access between method for normalizing realization data handling system 40, External memory equipment 20 and the internal storage unit 10 of the corresponding interface standard agreement.
Described controller unit 11 also has independently data-handling capacity, promptly do not connect under the situation of data handling system 40 at described wireless data communication device, can to External memory equipment 20 that described wireless data communication device is connected in data carry out data access.This independently data-handling capacity mainly is to realize by the solidification software of controller unit 11, this solidification software is as the part of described wireless data communication device, constitute a small-sized or miniature operating system (OS), realize the various data processing functions of described wireless data communication device.
Solidification software among the present invention is the bound fraction of software and hardware, is the software that is solidificated in the microcontroller, behind the microcontroller electrification reset, is solidificated in wherein solidification software by operation, thereby finishes the sequence of operations that the designer needs.
See also Figure 11, described power subsystem 1 is from external power source and/or the self-powered electric power that draws, and for wireless data communication device of the present invention provides working power, for lines in the reduced graph, has omitted the line of power subsystem 1 with other unit among Fig. 1.In the power subsystem 1, B1 is a battery power supply, and J6 is an external power supply plug, and D1, D2 can realize one of them the power supply supply of an option interface power supply, battery supply and external power supply, and the preferential interface power supply of selecting to connect data handling system; U6, R16, R17, C24, C27 formation+5V supply voltage are adjusted and stabilizing circuit, and U7, C36, C37, C39 formation+3.3V supply voltage are adjusted and stabilizing circuit, and U8, R18, R19, C47, C48 formation+2.5V supply voltage are adjusted and stabilizing circuit.
Described power subsystem 1 can also be provided with power control switch under self-powered situation, this power control switch can cut off, connect the power supply supply of described wireless data communication device.Described self-powered can also be photocell, primary cell and/or rechargeable battery.It is the rechargeable battery charging that carries that described power subsystem 1 can also be provided with translation circuit.
See also Figure 12, operating state indicating member 3 is set up with controller unit 11 and is electrically connected, in order to information, the information of the External memory equipment 20 that comprises user profile, product information, equipment and apparatus characteristic information, work state information and be connected is as the product type of External memory equipment 20, model, manufacturer etc.In the present embodiment, the mode of described information indicating adopts liquid crystal display.
The mode of the information indicating that described operating state indicating member 3 adopts can also be dot matrix LEDs, led state prompting, auditory tone cues and vibrations device etc.; Described operating state indicating member 3 also can be provided with manual overvide, utilizes this manual overvide to realize the manual control of information indicating, and this manual overvide can be but be not limited to switch and button.
Described identification code unit 5 is connected with controller unit 11, and the identification code on it can be a unique sequence number or character string, can be used as the electronic ID card of apparatus of the present invention, also can provide key for the encrypting and decrypting algorithm.Can adopt the single bus interface protocol mode to be connected between identification code unit 5 and the controller unit 11, this identification code can be solidificated in the described wireless data communication device, also can be modified.This identification code also can be one group of sequence number or character string.
The major function of described internal storage unit 10 is storing data files and various information.Described internal storage unit has comprised the level shifting circuit of data-signal and control signal, and its storage medium can be a semiconductor storage medium, includes but not limited to flash memory, MRAM, DRAM, SDRAM, EEPROM, SRAM, EPROM.
Described manual control unit 12 is connected with described controller unit 11, be mainly used in described wireless data communication device carry out control that data obtained and transmitted data, information indicating control, mode of operation switching and as enable switch etc.Described manual control unit 12 includes but not limited to toggle switch and button.
Described wireless transmit/receive units 8 is connected with described controller unit 11, its major function is: by wireless network user identification unit 6 finish with controller unit 11 and wireless network user identification card between communicate by letter, receive or send data messages such as SMS, DATA, FAX or voice simultaneously.In the present embodiment, being the control of general SIM card between wireless transmit/receive units 8 and the wireless network user identification unit 6, and being connected for standard RS232 interface between the controller unit 11, and is that 50 ohm of high-frequency feed line are connected between the dual-mode antenna unit 7.Described wireless transmit/receive units 8 can adopt chip Siemens TC35 unit, and this moment, radio data communication equipment of the present invention can work in the GSM network; Wireless transmit/receive units 8 can adopt Wavecom WISO2C unit, and this moment, radio data communication equipment of the present invention can work in GSM network and GPRS network; Wireless transmit/receive units 8 can also adopt the UbiNeticsGM400/GM401 unit, and this moment, radio data communication equipment of the present invention can work in GSM network and GPRS network.Wireless transmit/receive units 8 also can adopt other unit, makes radio data communication equipment of the present invention can work in other networks such as CDMA.
Described wireless network user identification unit 6 is connected with described wireless transmit/receive units 8, its major function provides the standard interface between wireless transmit/receive units 8 and the wireless network user identification card, this identification card can be but be not limited to SIM (Subscriber Identity Module, user identification unit) blocks, be mainly used to store user's relevant information.Described wireless network user identification unit 6 is connected by the identification card interface with wireless transmit/receive units 8.Described wireless network user identification unit 6 can be two independently unit with wireless transmit/receive units 8, also can unite two into one.
Described dual-mode antenna unit 7 is connected with described wireless transmit/receive units 8, and its major function is: finish with the output impedance of wireless transmit/receive units by high-frequency feed line and mate, the realization of dual-mode antenna unit 7 can be adopted 50 ohm of general dual-band mobile phone antennas.Dual-mode antenna unit 7 can be independently, also can combine with wireless transmit/receive units 8.
The described words receiver unit 9 that send is connected with described wireless transmit/receive units 8, has the voice signal of acceptance and voice signal is converted to the signal of telecommunication, perhaps is voice signal and the function that sends out by loud speaker with electrical signal conversion.Send the connection between words receiver unit 9 and the wireless transmit/receive units 8 can two-way transmission analog electrical signal.Send words receiver unit 9 can adopt the commercially available device of various models.
Wireless data communication device of the present invention has two kinds of mode of operations:
When the user is connected to data handling system 40 the corresponding interface with described wireless data communication device, described wireless data communication device can be connected with public wireless network by wireless transmit/receive units 8, can carry out the internal storage unit 10 of 40 pairs of described wireless data communication devices of data handling system and/or the data access order of External memory equipment 20 by controller unit 11 simultaneously.
As the user described wireless data communication device is not connected data handling system 40 and power on when making it in running order, can realize reading the data in the External memory equipment 20 and store in the internal storage unit 10 or read the task of storage in the External memory equipment 20 in the internal storage unit 10.
Described radio communication device realizes that it is 02114797 application for a patent for invention that the method for getting online without being tethered to a cable can be consulted the application number of company of Netac application.The data processing method of present embodiment below is described in detail in detail.
See also Fig. 1 and Figure 13, when the user was connected to data handling system 40 the corresponding interface with described wireless data communication device, its data processing method comprised step:
1) power subsystem 1 obtains power supply from data handling system 40, and 40 pairs of system interfaces of data handling system carry out initialization when powering on, and comprise the initialization of device driver;
2) operating system in the controller unit 11 is promptly carried out device initialize, comprises controller unit 11 and the initialization of peripheral interface chip circuit, the identification of internal storage unit 10 be connected and in data handling system 40, produce the radio communication device drive;
3) whether detection has External memory equipment 20 to be inserted in the corresponding interface of relating external storage interface 4, if detected External memory equipment 20, detects the type of the External memory equipment 20 that is inserted simultaneously and also selects the corresponding interface agreement;
4) set up being connected of External memory equipment 20 and data handling system 40 according to the method for normalizing of the corresponding interface standard agreement;
5) operation requests of response data treatment system 40, when the internal storage unit 10 of 40 pairs of described wireless data communication devices of data handling system had operation requests, then data handling system 40 was carried out exchanges data and data access operation by controller unit 11 and internal storage unit 10;
6) be inserted into External memory equipment 20 in apparatus of the present invention interface when operation requests is arranged when 40 pairs of data handling systems, then data handling system 40 is carried out exchanges data and data access operations by controller unit 11 and External memory equipment 20.
See also Fig. 1 and Figure 14, as the user described radio communication device is not connected data handling system 40 and power on when making it in running order, its data processing method comprises step:
1) power subsystem 1 is from self-powered acquisition electric power, and the operating system in the controller unit 11 is promptly carried out device initialize, the identification that comprises controller unit 11 and the initialization of peripheral interface chip circuit, internal storage unit 10 be connected;
2) whether detection has External memory equipment 20 to be inserted in the corresponding interface of relating external storage interface 4, if detected External memory equipment 20, detect type, interface type and the apparatus characteristic information of the External memory equipment 20 that is inserted simultaneously, when a plurality of dissimilar External memory equipments 20 are inserted into the corresponding interface, will repeat aforesaid operations;
3) select and External memory equipment 20 corresponding interface agreements, and according to the method for normalizing foundation of the corresponding interface standard agreement and being connected of internal storage unit 10;
4) response user operation requests, comprise the data that read in External memory equipment 20 or the internal storage unit 10, the data that read are written in internal storage unit 10 or the External memory equipment 20, and the data that read are made information indicating by operating state indicating member 3, the picture information that reads as liquid crystal display.
In sum, this device not only has wireless networking capabilities, data storage function, and by this device, can also realize between this device and the data handling system that links to each other with this device, the External memory equipment three, perhaps wherein arbitrarily between the two, or with a plurality of External memory equipments that this device links to each other between exchanges data.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1, a kind of wireless data communication device comprises controller unit, system interface unit and wireless transmit/receive units; Described controller unit is connected with system interface unit, wireless transmit/receive units, is used to control the work of each unit; Described system interface unit is used to set up the data channel between described wireless data communication device and the data handling system; It is characterized in that: also comprise relating external storage interface, described relating external storage interface is connected with controller unit, is used to set up the data channel between described wireless data communication device and the External memory equipment.
2, wireless data communication device according to claim 1 is characterized in that: described wireless data communication device further comprises internal storage unit, and described internal storage unit is connected with controller unit.
3, wireless data communication device according to claim 2 is characterized in that: described controller unit comprises RFDC controller and storage control, and described RFDC controller is used to realize the control of getting online without being tethered to a cable; Described storage control is used to control the exchanges data between described data handling system, internal storage unit and/or the External memory equipment.
4, wireless data communication device according to claim 1 is characterized in that: described relating external storage interface comprises IDE, SCSI, SM, CF, MMC, SD, MS, MD and/or x-D interface; Described system interface unit comprises USB, IEEE1394, IDE, SCSI, Bluetooth, IrDA, HomeRF and/or IEEE802.1x interface.
5, wireless data communication device according to claim 1, it is characterized in that: also comprise the manual control unit that is connected with described controller unit, be used for that the switching of the control of the control of data, information indicating, mode of operation is obtained and transmitted to data and/or as enable switch.
6, wireless data communication device according to claim 1 is characterized in that: also comprise the identification code unit that is connected with controller unit, be used to store identification code.
7, wireless data communication device according to claim 1 is characterized in that: also comprise wireless network user identification unit, the dual-mode antenna unit that is connected with described wireless transmit/receive units and send words receiver unit.
8, a kind of data processing method of wireless data communication device comprises step:
1) the described wireless data communication device of initialization;
2) when system interface unit connects wireless data communication device and data handling system, in data handling system, produce the wireless data communication device drive;
Whether 3) controller unit detects has External memory equipment to insert described wireless data communication device by described relating external storage interface, if any, then connect;
4) controller unit responds the data access order of described data handling system to External memory equipment.
9, data processing method according to claim 8 is characterized in that: described step 3) comprises to be set up being connected between External memory equipment and the internal storage unit.
10, data processing method according to claim 9, it is characterized in that: also be included in controller unit control down, read data in External memory equipment or the internal storage unit, the data that read be written to the step of internal storage unit or External memory equipment.
11, data processing method according to claim 9 is characterized in that: also comprise and carry out the step of data handling system to the data access order of described wireless data communication device internal storage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310116984 CN1625168A (en) | 2003-12-05 | 2003-12-05 | Radio data communication device and data procesing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200310116984 CN1625168A (en) | 2003-12-05 | 2003-12-05 | Radio data communication device and data procesing method thereof |
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| CN1625168A true CN1625168A (en) | 2005-06-08 |
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| CN 200310116984 Pending CN1625168A (en) | 2003-12-05 | 2003-12-05 | Radio data communication device and data procesing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101471681A (en) * | 2007-12-28 | 2009-07-01 | 希姆通信息技术（上海）有限公司 | Wireless communication module and automatic switchover method of double power supply thereof |
| CN102609741A (en) * | 2012-01-31 | 2012-07-25 | 上海艾尚通讯科技有限公司 | Mobile device and method for exchange data between internal and external storage cards |
| CN108769066A (en) * | 2018-06-27 | 2018-11-06 | 安徽国讯芯微科技有限公司 | A kind of full stack micro-system of edge calculations |
-
2003
- 2003-12-05 CN CN 200310116984 patent/CN1625168A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101471681A (en) * | 2007-12-28 | 2009-07-01 | 希姆通信息技术（上海）有限公司 | Wireless communication module and automatic switchover method of double power supply thereof |
| CN102609741A (en) * | 2012-01-31 | 2012-07-25 | 上海艾尚通讯科技有限公司 | Mobile device and method for exchange data between internal and external storage cards |
| CN102609741B (en) * | 2012-01-31 | 2016-03-09 | 上海艾尚通讯科技有限公司 | A kind of method of exchanges data between mobile device and inside and outside portion storage card thereof |
| CN108769066A (en) * | 2018-06-27 | 2018-11-06 | 安徽国讯芯微科技有限公司 | A kind of full stack micro-system of edge calculations |
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