CN201185008Y - Control device for computer interface - Google Patents
Control device for computer interface Download PDFInfo
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- CN201185008Y CN201185008Y CNU2008200050833U CN200820005083U CN201185008Y CN 201185008 Y CN201185008 Y CN 201185008Y CN U2008200050833 U CNU2008200050833 U CN U2008200050833U CN 200820005083 U CN200820005083 U CN 200820005083U CN 201185008 Y CN201185008 Y CN 201185008Y
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- data transmission
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Abstract
The utility model provides an interface control device for a computer, which comprises a computer interface control unit, a central control unit, a driver program memory unit, a variable data transmission unit, a variable transmission data control unit and an interrupt transmission unit. The central control unit is connected with the computer interface control unit, and the driver program internal memory unit is connected with the computer interface control unit and the central control unit. The variable data transmission unit is connected with the computer interface control unit; and the variable transmission data control unit is further connected with the computer interface control unit. In addition, the variable transmission data control unit controls the variable data transmission unit with a double channel. The transmission mode of the interface control device for the computer can be changed in a variable transmission control manner according to different products used by a user.
Description
Technical field
The utility model is about a kind of computer interface control device, refers to a kind of difference that can use product according to the user especially, changes the computer interface control device of transmission mode.
Background technology
In the application of computer peripheral device product, USB interface is the important interface of computer peripheral device with present technology.Especially at portable produce market, change based on USB interface fully especially.When USB interface is connected with computing machine as the computer peripheral device product, the interface that the storage of data is read and controlled.And on market according to very many of the computer peripheral device product of USB specifications design.Wherein, with single controller control single product, be the most common on market.Though the controller of integrated two or more functions is arranged, but still can't integrated most control of product functions.Peripheral device manufacturer still needs to design voluntarily or select and use the controller that is suitable at self product, and this quite bothers.
Therefore, on single product, make this mode of single peripheral unit control function if can improve in the market the computer interface control device, and can be all, or all computer peripheral device products commonly used are integrated into a controller, the inconvenience that just can solve in the known technology to be taken place.For example, can receive Digiplex, the carry-on dish of USB, USB card reader, USB fingerprint identifier, USB control button or the like to USB mouse, USB recording microphone, USB phone, USB, the peripheral unit product of relevant USB is integrated in a controller, can be set at any time in use and change over the needed function of user, can promote the integration of computer peripheral device product greatly.
According to the utility model, above-mentioned function can be finished with one chip.All peripheral unit products all pass through same data transmission unit, can reduce the cost of computer peripheral device computer control interface greatly.
The utility model content
Be to solve known problem, the utility model provide the user on single controller product in conjunction with multiple different product control function, to solve the too much problem of computer interface controller kind.The user is on operation system of computer, and behind computer interface control device connection rear perpheral device of the present utility model, the utility model can be done communication with operating system according to the initial setting of itself in advance.Set up on operating system after the necessary initial setting of product itself, the user just can select to set the function of this peripheral unit by the application program on the operating system.
After the user determines selected function, the utility model is by the application program on the operating system, the transmission DCU data control unit is done setting, make transmission control unit change the transmission mode of computer interface control device, and the device that had before set on the operating system is done setting again, and be altered to the selected product function of user.
Of the present utility model being characterised in that, the computer interface control device of computer peripheral device can change with user's selection; Computer interface control device and the transmission mode that is connected between the rear perpheral device can change automatically according to the setting of product; The user also can directly utilize the button selection function on the product, changes computer interface control device and the transmission mode that is connected the rear perpheral device.
In addition, the utility model is finished with the one chip integrated architecture, can can utilize various computer data transmission interfaces in conjunction with image, sound, file data, real-time message on using, and the performed application program of computer operating system of arranging in pairs or groups is simultaneously finished control operation.
The purpose of this utility model provides a kind of computer interface control device, can be according to user's function setting, and change the data transfer mode of peripheral unit and intercomputer.
Another purpose of the present utility model provides a kind of computer interface control device, and it can be according to the function setting of manufacturer, and changes the data transfer mode of peripheral unit and intercomputer automatically.
Another purpose of the present utility model provides a kind of data transmission system, and it can carry out user's application program operating by computer installation, and by the product function that the application setting user sets, selects the mode of transmission data according to this.
A purpose more of the present utility model provides the variable transmission DCU data control unit of a kind of double-channel, and it can carry out user's application program operating, and uses the variable transmission DCU data control unit of program control double-channel.This computer interface control device can be done the operation that the product declaration is reset to computer installation with the computer interconnection state time, select the transmission mode of data according to this.
Another purpose of the present utility model provides a kind of executable application program of computer operating system of utilizing, and changes the computer interface control device of taking peripheral unit, the transmission mode of change computer interface control device.
Another purpose of the present utility model provide a kind of can be on same controller in conjunction with the computer interface control device of the taking peripheral unit of multiple use identical data transmission interface.
For reaching above-mentioned purpose, the utility model utilizes the one chip integrated architecture, in conjunction with variable transmission DCU data control unit, carries out user's application program operating, and by using Programmable and Variable transmission DCU data control unit, selects the transmission mode of data according to this.
Computer interface control device of the present utility model comprises computer interface control module, central control unit, driver internal memory, variable data transmission unit, variable transmission DCU data control unit, and interrupts data transmission unit.Wherein, central control unit is connected in the computer interface control module, and the driver internal memory is connected in computer interface control module and central control unit.On the other hand, the variable data transmission unit is connected in the computer interface control module, and variable transmission DCU data control unit also is connected in the computer interface control module.In addition, interrupt data transmission unit and also be connected in the computer interface control module.
Computer interface control device of the present utility model can be carried out user's application program operating, and by using Programmable and Variable transmission DCU data control unit, selects the delivering path of data according to this.Computer interface control device of the present utility model can change over the desirable product function of user according to the different function selecting of user.
Another example of the present utility model, be in order to link peripheral unit, external memory device and computer installation, and comprise computer interface control module, central control unit, driver internal memory, variable data transmission unit, variable transmission DCU data control unit, and interrupt data transmission unit.This computer interface control module is connected in this computer interface control module, communicates by communication interface and this computer installation, and the output/input of control computer device; Central control unit is connected in the computer interface control module, the peripheral interface application function of control computer interface control module; The driver internal memory is connected in computer interface control module and central control unit, deposits the driver of various peripheral units.
On the other hand, the variable data transmission unit is connected in the computer interface control module, in order to change the transmission mode of computer interface control device; Variable transmission DCU data control unit is connected in the computer interface control module, and control variable data transmission unit is to change the data transfer mode of computer interface control device.Moreover, interrupt data transmission unit and be connected in the computer interface control module, be used to interrupt data transmission.
The utility model also provides a kind of data transmission system, and it comprises computer installation, computer interface control device, external memory, and peripheral unit.Wherein, the computer interface control device comprises computer interface control module, central control unit, driver internal memory, data transmission unit, variable transmission DCU data control unit, and interrupts data transmission unit.Do the time spent in data transmission system, the computer interface control device is to utilize variable transmission DCU data control unit, with control variable data transmission unit, and then peripheral unit, computer installation and this external memory is communicated negotiation.
Variable data transmission unit of the present utility model can be the transmission node of double-channel variable data transmission unit or variable declaration.As be the transmission node of variable declaration, then variable declaration becomes the mass data transmission node, interrupts data transmission nodal or while data transmission nodal.
Variable transmission DCU data control unit of the present utility model is preferably the variable transmission DCU data control unit of double-channel, is more preferably used the variable transmission DCU data control unit of program control double-channel.
The communication interface that the utility model was suitable for can be wired communication interface or wireless communication interface.If wired communication interface then can be USB, PCMCIA, CardBus, IEEE1394 or PCI.If wireless communication interface then can be infrared ray, bluetooth or radio.
Central control unit of the present utility model is preferably microcontroller or microprocessor.Its driver internal memory then can be OTP ROM, MASK ROM or plug-in NOR type flash memory.And this external memory device can be DRAM (Dynamic Random Access Memory), serial type flash memory, NOR type flash memory or various types of memory card.
Computer interface control device of the present utility model more can comprise the bidirectional data transfers interface.This bidirectional data transfers interface more can comprise the bist data transmission interface.The bist data transmission interface can be SPI interface, Smart Card Reader interface, UART interface, GPIO interface or its combination.
The peripheral unit that the utility model is suitable for is preferably keyboard, recording microphone, telephone set, wireless remote controlled receiver, carry-on dish, calculating punch, fingerprint identifier, key device or mouse.
Description of drawings
Fig. 1 shows the system block diagrams of the utility model computer interface control device.
Fig. 2 is that the utility model changes the communication interface negotiation process flow diagram that the product of computing machine is declared with variable transmission DCU data control unit.
Fig. 3 is that the utility model selects change that the communication interface of the product declaration of computing machine is consulted process flow diagram with the function button of GPIO pin position.
The primary clustering symbol description
| 10 | The computer interface control device |
| 11 | The variable transmission DCU data control unit of double-channel |
| 20 | Central control unit |
| 30 | The driver internal memory |
| 31 | Outside memory storage |
| 32 | Core buffer |
| 50 | Computer installation |
| 51 | Communication interface |
| 60 | Peripheral unit |
| 70 | Double-channel variable data transmission unit |
| 80 | Interrupt the data upload download unit |
| 90 | The bidirectional data transfers interface |
| 91 | The GPIO interface |
| 92 | The USB power supply |
| 93 | Battery supply |
Embodiment
Following according to description of drawings computer interface controller of the present utility model.The utility model proposes a kind of framework that is different from known technology.The utility model is controlled the data transfer mode that changes the computer interface control device with variable transmission, and switches to single computer interface control device, drives the various computing machine external device that needs multiple interfaces control.On using, can use the double-channel framework, be constant function setting with the USB mouse designs.When using the carry-on dish of USB if desired, the user can utilize the operation of USB mouse function, the function selecting of executive utility on computers.This moment, the utility model just can use the carry-on dish function of USB mouse and USB simultaneously.When using the USB card reader if desired, the function selecting of executive utility on computers then.At this moment, the utility model just can use USB mouse and USB functions of card reader simultaneously.
Fig. 1 is the system block diagrams that shows the utility model computer interface control device.As shown in Figure 1, computer interface control device of the present utility model (1) is to supply peripheral unit (60) and external memory device (31) to communicate with computer installation (50) and input and output control.Wherein, computer interface control device (1) comprises computer interface control module (10), variable transmission control unit (11), central control unit (20), driver internal memory (30), double-channel variable data transmission unit (70), interrupts data upload download unit (80), bidirectional data transfers interface (90) and GPIO interface (91).
In the computer interface control device, computer interface control module (10) is responsible for by Computer Communications Interface (51), carries out various communication and input and output control with computer installation (50).The miniature control modules of central authorities (20) then are that the peripheral interface application function, the processing that are used for control computer interface control module (10) are linked up data and transmitted message.Driver internal memory (30) is in order to the employed driver of storage interface equipment (60).
On the other hand, variable data transmission unit (70) can be as mass data transmission node, interruption data transmission nodal, while data transmission nodal, three kinds of important transmission modes; It then is fixing in order to interrupt the communication way of data transmission interrupting data upload download unit (80).In addition, the transmission mode of variable data transmission unit (70) is controlled by variable transmission DCU data control unit (11).And variable transmission DCU data control unit (11) can also be controlled by central control unit (20).Variable transmission DCU data control unit (11) also can be carried out repeatedly transmission data mode change setting with computer installation (50).Thus, can consult the required transmission data mode of various peripheral units with computer installation (50), and carry out this transmission data mode.
In above-mentioned framework, the employed communication interface of computer interface control device (1) generally can be USB interface, because this interface at present is the Computer Communications Interface of widespread usage.But, other common computer interface, as wired communication interfaces such as PCMCIA, CardBus, IEEE1394, PCI, and wireless communication interface such as infrared ray, bluetooth, radio, all can in the utility model, use.
Central control unit (20) can use the microcontroller or the microprocessor of any commercialization.In the present embodiment, miniature control module (20) major function is the data that this computer interface control device (10) is sent here is handled, and carries out various required computings, and external interface is done output etc.In addition, variable transmission DCU data control unit (11) is a main emphasis of the present utility model with variable data transmission unit (70).Central control unit (20) is by the required control mode of variable transmission DCU data control unit (11) the various peripheral units of change, and the data transfer mode of change variable data transmission unit (70), make computing machine (50) hold the various peripheral units of declaring according to the utility model, produce corresponding communication interface, carry out driver by the application program that is positioned over computing machine (50) end again, provide the required application program of peripheral unit (60) to computer installation (50), on operating system, carry out.By the execution of application program, confirm and the application of carrying out product.
When the user changes the setting of this device product once again, central control unit (20) utilizes variable transmission DCU data control unit (11) once more, removing the old product of declaring in computing machine (50) end sets, again declaration is altered to other products, so that computing machine (50) end produces corresponding communication interface once more.Thereafter, the flow process of change product function is finished in the complete driving of the application program by computing machine (50) end.
In above-mentioned framework, variable data transmission unit (70) is by variable transmission DCU data control unit (11) and miniature control module (20), finish peripheral unit (60) and consult with the communication interface that computing machine (50) is gone up various operating system application programs, its workflow is shown in Fig. 2 and Fig. 3 (describing in detail in the back).
In data transmission system of the present utility model, variable transmission DCU data control unit (11) can be controlled variable data transmission unit (70), changes the function declaration of computer interface control device to computing machine.Variable transmission DCU data control unit (11) can also be selected according to the user according to the application program of carrying out on the operating system, communicates interface negotiation.
Fig. 2 is that the utility model is consulted process flow diagram with variable transmission DCU data control unit change to the communication interface of the product declaration of computing machine.As shown in Figure 2, when the user in (201) with computer interface control device (1) and peripheral unit (60) and computer installation (50) when being connected, in (202), computer interface control device (1) can be done the declaration of initial connection to computer installation (50).It is that the purpose of declaration is to make computer installation (50) to understand computer interface control device (1) for which kind of transmission node device, and how many transmission node devices are arranged.In this example, this variable data transmission unit (70) is a double-channel variable data transmission unit, for changing the multiple transmission node of declaration arbitrarily.For example, at this Computer Communications Interface (51) is in the example of USB interface, can comprise required a large amount of (Bulk) data transmission nodals of the required interruption of USB mouse (Interrupt) data transmission nodal, the carry-on dish of USB and the interface channel of (Isochronous) data transmission nodal of required while of USB phone.
After computer interface control device (1) was finished initial binding declaration, in (203), computer installation (50) began that the initial setting of peripheral unit is done connection and confirms and startup.In (204), according to initial setting to this computer installation (50) declaration default peripheral unit, for example be USB mouse and USB flash disk device thereafter.After computer installation (50) setting was finished, the user can go up the normal function of using USB mouse and the carry-on dish of USB at computer installation (50) in (205).In (206), computer installation (50) is confirmed to start to computer interface control device (1), and in (207), the application program on the operating system can be carried out the application of user's control.
In (208), the user changes and uses this peripheral unit to become other products, for example the USB card reader.At this moment, the user can carry out change of product to computer interface control device (1), and assign the order of control by application program by executory application program on the operating system.At this moment, in (209), computer interface control device (1) begins to reset, and withdraws from the product declaration on the operating system.In (210), the product that computer installation (50) will before be arranged on the operating system removes, and in (211), begins to reset new Product Definition.Simultaneously, in this example, be that USB mouse and USB card reader are set.In (212), computer interface control device (1) beginning is linked up computing machine again, and operating system is declared the device of USB mouse and USB card reader.And in (213), the setting of affirmation device is finished.
After finishing being provided with of user, computer interface control device (1) waits for that in (214) user next time assigns the order of device change.If user's change in the use once more uses other peripheral unit, for example the USB phone also can pass through same way as, by the application program of carrying out on operating system, is the USB phone to computer interface control device (1) change product.According to above-mentioned steps, finish the setting of USB mouse and USB phone simultaneously.
Computer interface control device of the present utility model (1) also can be selected by the function button of GPIO interface (91) pin position, reaches the function that the change product is set.
Fig. 3 is that the utility model is selected with the function button of GPIO interface (91) pin position, and change is consulted process flow diagram to the communication interface of the product declaration of computing machine.As shown in Figure 3, the user is before connecting peripheral unit, and the function button that must configure GPIO interface (91) pin position is selected.When the user after (301) should the periphery product be connected in this computer installation (50), computer installation (50) begins the initial setting of USB device done to connect to confirm and start in (302).After the initial setting up on starting peripheral unit, computer interface control device (1) is set this computer installation (50) declaration product according to initial setting up in (303).For example, declare USB mouse and USB flash disk device simultaneously.In (304), computer installation (50) is finished setting, and the user can begin to go up the normal function of using USB mouse and the carry-on dish of USB at computer installation (50).
When the user need be altered to the function of USB card reader, the function button that only needs to set GPIO interface (91) pin position in (305) change was selected.At this moment, computer interface control device (1) is assigned control command in (306) by central control unit (20), controls variable transmission DCU data control unit (11), and the change of product that uses is the USB card reader.In (307), computer installation (50) begins to reset with computer interface control device (1), declares at the product that (308) are withdrawed from the operating system, removes the product that before is arranged on the operating system.In (309), central control unit (20) is assigned control command, reset new Product Definition, after (309) for example are provided with USB mouse and USB card reader simultaneously, in (310), computer interface control device (1) beginning is linked up computing machine again, and in (311) to the device of operating system declaration USB mouse with the USB card reader, and finish in the setting of (312) affirmation device.
If, only need reset the function button selection of GPI interface (91) pin position when the user is altered to the function of using the USB phone once more, can pass through above-mentioned steps, finish the setting of USB mouse and USB phone simultaneously.
The utility model can comprise interruption data upload download unit (80) in addition, in order to be standard peripheral devices such as standard key device or standard mouse,, peripheral unit (60) can go up plug and play in this computer installation (50) so that being provided to computer installation (50) declaration peripheral unit (60).
All or part of computer interface control device (1) with said apparatus goes for multiple peripheral unit because of control interface that can integrated most peripheral units.No matter the manufacturer of peripheral unit utilizes controller of the present utility model as the controller of single peripheral unit or the controller of combined type peripheral unit, and is all very suitable.
It more than is explanation to the utility model computer interface control device.Those skilled in the art are not difficult by above-mentioned explanation, understand spirit of the present utility model and then make different spreading out and stretch and change, and only otherwise exceed spirit of the present utility model, all should be contained in its claim.
Claims (30)
1. a computer interface control device in order to by Computer Communications Interface, is connected to computer installation with at least one peripheral unit, it is characterized in that, comprises:
The computer interface control module, it is in order to connect this Computer Communications Interface;
Central control unit, it is connected in this computer interface control module;
The driver internal memory, it is connected in this computer interface control module and this central control unit, in order to store the driver of at least two kinds of peripherals;
The variable data transmission unit, it is connected in this computer interface control module, in order at least two kinds of data transfer paths to be provided;
Variable transmission DCU data control unit, it is connected in this computer interface control module, in order to control this variable data transmission unit; And
Interrupt data transmission unit, it is connected in this computer interface control module, in order to interrupt data transmission.
2. computer interface control device as claimed in claim 1 is characterized in that, this variable data transmission unit is a double-channel variable data transmission unit.
3. computer interface control device as claimed in claim 1 is characterized in that, this variable data transmission unit is a mass data transmission node, interruption data transmission nodal and while data transmission nodal.
4. computer interface control device as claimed in claim 2 is characterized in that, this variable transmission DCU data control unit is the variable transmission DCU data control unit of double-channel.
5. computer interface control device as claimed in claim 1 is characterized in that, this interrupts data transmission unit for interrupting the data upload unit, interrupt the data download unit or interrupting the data upload download unit.
6. computer interface control device as claimed in claim 1 is characterized in that, this communication interface is USB interface, wired communication interface or wireless communication interface.
7. computer interface control device as claimed in claim 6 is characterized in that, this wired communication interface is PCMCIA, CardBus, IEEE1394 or PCI.
8. computer interface control device as claimed in claim 6 is characterized in that, this wireless communication interface is infrared ray, bluetooth or radio.
9. computer interface control device as claimed in claim 1 is characterized in that, saves as OTP ROM, MASK ROM or plug-in NOR type flash memory in this driver.
10. computer interface control device as claimed in claim 1 is characterized in that, also comprises the bidirectional data transfers interface.
11. computer interface control device as claimed in claim 10 is characterized in that, this bidirectional data transfers interface also comprises the bist data transmission interface.
12. computer interface control device as claimed in claim 11 is characterized in that, this bist data transmission interface is SPI interface, Smart Card Reader interface, UART interface, GPIO interface or its combination.
13. a computer interface control device in order to link peripheral unit, external memory device and computer installation, is characterized in that, comprises:
The computer interface control module, it communicates by communication interface and this computer installation, and controls the output/input of this peripheral unit to this computer installation;
Central control unit, it is connected in this computer interface control module, controls the peripheral interface application function of this computer interface control module;
The driver internal memory, it is connected in this computer interface control module and this central control unit, deposits the driver of at least one peripheral unit;
The variable data transmission unit, it is connected in this computer interface control module, and at least two kinds of data transfer modes are provided;
Variable transmission DCU data control unit, it is connected in this computer interface control module, controls this variable data transmission unit, to change its transmission mode; And
Interrupt data transmission unit, be connected in this computer interface control module, in order to interrupt data transmission.
14. computer interface control device as claimed in claim 13 is characterized in that, this variable data transmission unit is a double-channel variable data transmission unit.
15. computer interface control device as claimed in claim 13 is characterized in that, this variable data transmission unit is a mass data transmission node, interruption data transmission nodal and while data transmission nodal.
16. computer interface control device as claimed in claim 14 is characterized in that, this variable transmission DCU data control unit is the variable transmission DCU data control unit of double-channel.
17. computer interface control device as claimed in claim 13 is characterized in that, this interrupts data transmission unit for interrupting the data upload unit, interrupt the data download unit or interrupting the data upload download unit.
18. computer interface control device as claimed in claim 13 is characterized in that, this communication interface is USB interface, wired communication interface or wireless communication interface.
19. computer interface control device as claimed in claim 18 is characterized in that, this wired communication interface is PCMCIA, CardBus, IEEE1394 or PCI.
20. computer interface control device as claimed in claim 18 is characterized in that, this wireless communication interface is infrared ray, bluetooth or radio.
21. computer interface control device as claimed in claim 13 is characterized in that, also comprises the bidirectional data transfers interface.
22. computer interface control device as claimed in claim 21 is characterized in that, this bidirectional data transfers interface also comprises the bist data transmission interface.
23. computer interface control device as claimed in claim 22 is characterized in that, this bist data transmission interface is SPI interface, Smart Card Reader interface, UART interface, GPIO interface or its combination.
24. computer interface control device as claimed in claim 13 is characterized in that, saves as OTP ROM, MASK ROM or plug-in NOR type flash memory in this driver.
25. computer interface control device as claimed in claim 13 is characterized in that, this peripheral unit is key device or mouse.
26. a data transmission system is characterized in that, comprises:
Computer installation, it has communication interface;
The computer interface control device, it is connected in this communication interface;
Peripheral unit, it is connected in this computer interface control device; And
External memory, it is connected in the computer interface control device;
Wherein, this computer interface control device comprises:
The computer interface control module, it is connected in this communication interface, this computer installation is communicated, and output/input of controlling this computer installation;
Central control unit, it is connected in this computer interface control module, controls the peripheral interface application function of this computer interface control module;
The driver internal memory, it is connected in this computer interface control module and this central control unit, deposits the driver of at least two kinds of peripheral units;
The variable data transmission unit, it is connected in this computer interface control module, provides at least two kinds of data to transmit approach;
Variable transmission DCU data control unit, it is connected in this computer interface control module, controls this variable data transmission unit to change the data transfer mode of this computer interface control device; And
Interrupt data transmission unit, it is connected in this computer interface control module, is used to interrupt data transmission.
27. data transmission system as claimed in claim 26 is characterized in that, this variable data transmission unit is a double-channel variable data transmission unit.
28. data transmission system as claimed in claim 26 is characterized in that, this variable data transmission unit is a mass data transmission node, interruption data transmission nodal or while data transmission nodal.
29. data transmission system as claimed in claim 28 is characterized in that, this variable transmission DCU data control unit is the variable transmission DCU data control unit of double-channel.
30. data transmission system as claimed in claim 26 is characterized in that, this Computer Communications Interface and this computer interface control device are the usb communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200050833U CN201185008Y (en) | 2008-04-25 | 2008-04-25 | Control device for computer interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200050833U CN201185008Y (en) | 2008-04-25 | 2008-04-25 | Control device for computer interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201185008Y true CN201185008Y (en) | 2009-01-21 |
Family
ID=40272746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200050833U Expired - Fee Related CN201185008Y (en) | 2008-04-25 | 2008-04-25 | Control device for computer interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201185008Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104598405A (en) * | 2015-02-03 | 2015-05-06 | 杭州士兰控股有限公司 | Expansion chip and expandable chip system and control method |
| CN104598404A (en) * | 2015-02-03 | 2015-05-06 | 杭州士兰控股有限公司 | Computing equipment extending method and device as well as extensible computing system |
-
2008
- 2008-04-25 CN CNU2008200050833U patent/CN201185008Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104598405A (en) * | 2015-02-03 | 2015-05-06 | 杭州士兰控股有限公司 | Expansion chip and expandable chip system and control method |
| CN104598404A (en) * | 2015-02-03 | 2015-05-06 | 杭州士兰控股有限公司 | Computing equipment extending method and device as well as extensible computing system |
| CN104598405B (en) * | 2015-02-03 | 2018-05-11 | 杭州士兰控股有限公司 | Extended chip and expansible chip system and control method |
| CN104598404B (en) * | 2015-02-03 | 2018-09-04 | 杭州士兰控股有限公司 | Computing device extended method and device and expansible computing system |
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