CN103997449A - Interface conversion device - Google Patents
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- CN103997449A CN103997449A CN201410202004.8A CN201410202004A CN103997449A CN 103997449 A CN103997449 A CN 103997449A CN 201410202004 A CN201410202004 A CN 201410202004A CN 103997449 A CN103997449 A CN 103997449A
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Abstract
The invention discloses an interface conversion device. The interface conversion device comprises a data signal processing board, a data bus plug, a J-LINK interface, an Ethernet port and a USB interface, wherein a first normally-open switch block K1, a second normally-open switch block K2 and a third normally-open switch block K3 are arranged on the data signal processing board, the J-LINK interface is connected with the data bus plug through the first normally-open switch block K1, the Ethernet port is connected with the data bus plug through the second normally-open switch block K2, the USB interface is connected with the data bus plug through the third normally-open switch block K3, and the data bus plug is used for gathering a data bus of the J-LINK interface, a data bus of the Ethernet interface and a data bus of the USB interface and correspondingly connecting the data bus of the J-LINK interface, the data bus of the Ethernet interface and the data bus of the USB interface to interfaces of a core board one to one. Static electricity and electromagnetic interference can be effectively prevented from bursting into the core board of a mainboard.
Description
Technical field
The invention belongs to power communication field, relate in particular to a kind of interface switching device.
Background technology
In current research and development of products, various debugging interfaces and functional interface on a mainboard are quite a lot of, as J-LINK interface, RS-232 serial ports, Ethernet interface and USB interface etc.These interfaces are arranged on the edge of mainboard and are all connected with core board, because these interfaces all will be connected with outer PC or other communication apparatus, just make a mainboard need to draw a lot of connecting lines, so neither attractive in appearance, and on interface, plug frequently the generation that plug is easy to cause static, static can import the chip of core board into by these interface connecting lines, the core board of mainboard is caused to fatal threat.EMI (electromagnetic interference) is easy to seal in core board by these interface connecting lines simultaneously, causes the interference to normal communication signal, communication efficiency and communication quality between the communication apparatus that impact connects by this interface.
Summary of the invention
The present invention be intended to solve in prior art a plurality of interface lead-out wires on mainboard in disorder, easily produce the technical problem that static is scurried into and electromagnetic interference is scurried into, provide a kind of and can effectively avoid static to scurry into and interface switching device that electromagnetic interference is scurried into, effectively improved the communication efficiency between communication apparatus.
Embodiments of the invention provide a kind of interface switching device, and described interface switching device comprises data-signal disposable plates, data/address bus plug, J-LINK interface, Ethernet interface and USB interface;
Described data-signal disposable plates is provided with the first normal open switch group K1, the second normal open switch group K2 and the 3rd normal open switch group K3;
Described J-LINK interface is connected with described data/address bus plug by the first normal open switch group K1, described Ethernet interface is connected with described data/address bus plug by the second normal open switch group K2, and described USB interface is connected with described bus plug by the 3rd normal open switch group K3;
Described data/address bus plug is for collecting the interface of the data/address bus of J-LINK interface, Ethernet interface and USB interface the core board that connects one to one, when J-LINK interface, Ethernet interface and/or USB interface are connected with external device, the normal open switch group of controlling is corresponding thereto closed.
Preferably, in described data-signal disposable plates, be also provided with sensing controler, the first on-off controller, second switch controller, the 3rd on-off controller and power Vcc, described the first on-off controller, second switch controller and the 3rd on-off controller are connected with described sensing controler respectively, and described power Vcc is connected with sensing controler, the first on-off controller, second switch controller and the 3rd on-off controller respectively.
When described sensing controler detects J-LINK interface access external device, transmit control signal to the first on-off controller, by the first on-off controller, control the first normal open switch group K1 closed;
When described sensing controler detects Ethernet interface access external device, transmit control signal to second switch controller, by second switch controller, control the second normal open switch group K2 closed;
When described sensing controler detects USB interface access external device, transmit control signal to the 3rd on-off controller, by the 3rd on-off controller, control the 3rd normal open switch group K3 closed.
Preferably, described the first normal open switch group K1 is provided with the first normal open switch K11, the second normal open switch K12, the 3rd normal open switch K13, the 4th normal open switch K14,5 constant virtues K switch 15 and the 6th normal open switch K16, and described data-signal disposable plates is provided with the first pin J1, the second pin J2, the 3rd pin J3, the 4th pin J4, the 5th pin J5 and the 6th pin J6; Described data/address bus plug is provided with the first pin, the second pin, the 3rd pin, four-limbed, the 5th pin and the 6th pin;
One end of the first normal open switch K11 is connected with the ICE/TRST pin of J-LINK interface by lead-out wire, and the other end is connected on the first pin of data/address bus plug by the first pin J1 of data-signal disposable plates;
One end of the second normal open switch K12 is connected with the TDI pin of J-LINK interface by lead-out wire, and the other end is connected on the second pin of data/address bus plug by the second pin J2 of data-signal disposable plates;
One end of the 3rd normal open switch K13 is connected with the TMS pin of J-LINK interface by lead-out wire, and the other end is connected on the 3rd pin of data/address bus plug by the 3rd pin J3 of data-signal disposable plates;
One end of the 4th normal open switch K14 is connected with the TCK pin of J-LINK interface by lead-out wire, and the other end is connected on the four-limbed of data/address bus plug by the 4th pin J4 of data-signal disposable plates;
One end of 5 constant virtues K switch 15 is connected with the ICE RTCK pin of J-LINK interface by lead-out wire, and the other end is connected on the 5th pin of data/address bus plug by the 5th pin J5 of data-signal disposable plates;
One end of the 6th normal open switch K16 is connected with the TDO pin of J-LINK interface by lead-out wire, and the other end is connected on the 6th pin of data/address bus plug by the 6th pin J6 of data-signal disposable plates.
Preferably, described the second normal open switch group K2 is provided with the 7th normal open switch K21, the 8th normal open switch K22, the 9th normal open switch K23 and the tenth normal open switch K24, and described data-signal disposable plates is also provided with the 9th pin E9, the tenth pin E10, the 11 pin E11 and the 12 pin E12; Described data/address bus plug is provided with the 9th pin, the tenth pin, the 11 pin and the 12 pin;
One end of the 7th normal open switch K21 is connected with the LXT_TDP pin of Ethernet interface by lead-out wire, and the other end is connected on the 9th pin of data/address bus plug by the 9th pin E9 of data-signal disposable plates;
One end of the 8th normal open switch K22 is connected with the LXT_TDM pin of Ethernet interface by lead-out wire, and the other end is connected on the tenth pin of data/address bus plug by the tenth pin E10 of data-signal disposable plates;
One end of the 9th normal open switch K23 is connected with the LXT_RDP pin of Ethernet interface by lead-out wire, and the other end is connected on the 11 pin of data/address bus plug by the 11 pin E11 of data-signal disposable plates;
One end of the tenth normal open switch K24 is connected with the LXT_RDM pin of Ethernet interface by lead-out wire, and the other end is connected on the 12 pin of data/address bus plug by the 12 pin E12 of data-signal disposable plates.
Preferably, described the 3rd normal open switch group K3 is provided with the 11 normal open switch K31 and the 12 normal open switch K32, and described data-signal disposable plates is provided with the 13 pin U13 and the 14 pin U14; Described data/address bus plug is provided with the 13 pin and the tenth four-limbed;
One end of the 11 normal open switch K31 is connected with the USB_DM pin of USB interface by lead-out wire, and the other end is connected on the 13 pin of data/address bus plug by the 13 pin U13 of data-signal disposable plates;
One end of the 12 normal open switch K32 is connected with the USB_DP pin of USB interface by lead-out wire, and the other end is connected on the tenth four-limbed of data/address bus plug by the 14 pin U14 of data-signal disposable plates.
Preferably, described data/address bus plug is plugged on the interface of described core board, and the pin on data/address bus plug is corresponding one by one with the interface data bus on core board.
Preferably, described the first on-off controller, second switch controller and the 3rd on-off controller are respectively solenoid.
Preferably, on described data/address bus plug, being also provided with grounding pin is connected with ground.
In above technical scheme, by being provided with data-signal disposable plates and the data/address bus plug of a plurality of normal open switch groups, by this data-signal disposable plates, the lead-in wire of a plurality of interfaces is managed concentratedly, and by normal open switch group, lead-in wire is pooled on described data/address bus plug, by plug, be connected with core board, can effectively prevent that static and electromagnetic interference from scurrying into mainboard core board, effectively improve the job security of core board and effectively improved the communication efficiency between communication apparatus.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the interface switching device of an embodiment of the present invention.
Fig. 2 is the structured flowchart of the interface switching device of the second embodiment of the present invention.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, embodiments of the invention provide a kind of interface switching device, described interface switching device comprises data-signal disposable plates 20, data/address bus plug 27, J-LINK interface 30, Ethernet interface 50 and USB interface 60, and described various interface is carried out data communication or data interaction between two communication apparatus.
Described data-signal disposable plates 20 is provided with the first normal open switch group K1, the second normal open switch group K2 and the 3rd normal open switch group K3.
Described J-LINK interface 30 is connected with described data/address bus plug 27 by the first normal open switch group K1, described Ethernet interface 50 is connected with described data/address bus plug 27 by the second normal open switch group K2, and described USB interface 60 is connected with described data/address bus plug 27 by the 3rd normal open switch group K3; Under cause the first normal open switch group K1, the second normal open switch group K2 and the common state of the 3rd normal open switch group K3, all in off-state, therefore can effectively prevent that static and electromagnetic interference from being entered into data/address bus plug 27 and being scurried into mainboard core board by various buttons.
Described data/address bus plug 27 is for collecting the data/address bus of J-LINK interface 30, Ethernet interface 50 and USB interface 60 interface of the core board that connects one to one, when J-LINK interface 30, Ethernet interface 50 and/or USB interface 60 are connected with external device, the normal open switch group of controlling is corresponding thereto closed.As when J-LINK interface 30 connects external device, control the first switches set K1 closed, now, J-LINK interface 30 is communicated with data/address bus plug 27.
As a further improvement on the present invention, in described data-signal disposable plates 20, be also provided with sensing controler 25, the first on-off controller 21, second switch controller 22, the 3rd on-off controller 23 and power Vcc 26, described the first on-off controller 21, second switch controller 22 and the 3rd on-off controller 23 are connected with described sensing controler 25 respectively, and described power Vcc 26 is connected with sensing controler 25, the first on-off controller 21, second switch controller 22 and the 3rd on-off controller 23 respectively.
When described sensing controler 25 detects J-LINK interface 30 access external device, transmit control signal to the first on-off controller 21, by the first on-off controller 21, control the first normal open switch group K1 closed;
When described sensing controler 25 detects Ethernet interface 50 access external device, transmit control signal to second switch controller 22, by second switch controller 22, control the second normal open switch group K2 closed;
When described sensing controler 25 detects USB interface 60 access external device, transmit control signal to the 3rd on-off controller 23, by the 3rd on-off controller 23, control the 3rd normal open switch group K3 closed.
In above technical scheme, preferably, described on-off controller can adopt electromagnetic relay with corresponding normal open switch group, the first on-off controller 21, second switch controller 22 and the 3rd on-off controller 23 are distinguished solenoids, power Vcc 26 is for giving described solenoid power supply, thereby can control adhesive and the disconnection of corresponding normal open switch group.
Further, the method whether described sensing controler 25 detection J-LINK interfaces 30 access external device is: a push switch is set in J-LINK interface, push switch forms loop in power Vcc 26 and sensing controler 25 serial connections, before external device does not access, push switch is off-state, when having external device to access this interface, push switch receives that extruding is closed, the conducting of formed loop, sensing controler 25 monitors the signal of telecommunication, now can judge J-LINK interface 30 access external devices, the method whether certain detection Ethernet interface 50 and USB interface 60 access external device also can adopt said method.Detection method described in the present embodiment is only preferred embodiment, can also adopt the existing various known detection method mouth that achieves a butt joint whether to have the detection of extraneous communication apparatus access.
Shown in Fig. 2, further, described the first normal open switch group K1 is provided with the first normal open switch K11, the second normal open switch K12, the 3rd normal open switch K13, the 4th normal open switch K14,5 constant virtues K switch 15 and the 6th normal open switch K16, and described data-signal disposable plates 20 is provided with the first pin J1, the second pin J2, the 3rd pin J3, the 4th pin J4, the 5th pin J5 and the 6th pin J6; Described data/address bus plug 27 is provided with the first pin 1, the second pin 2, the 3rd pin 3, four-limbed 4, the 5th pin 5 and the 6th pin 6.
One end of the first normal open switch K11 is connected with the ICE/TRST pin of J-LINK interface by lead-out wire, and the other end is connected on the first pin 1 of data/address bus plug 27 by the first pin J1 of data-signal disposable plates 20; One end of the second normal open switch K12 is connected with the TDI pin of J-LINK interface by lead-out wire, and the other end is connected on the second pin 2 of data/address bus plug 27 by the second pin J2 of data-signal disposable plates 20; One end of the 3rd normal open switch K13 is connected with the TMS pin of J-LINK interface by lead-out wire, and the other end is connected on the 3rd pin 3 of data/address bus plug 27 by the 3rd pin J3 of data-signal disposable plates 20; One end of the 4th normal open switch K14 is connected with the TCK pin of J-LINK interface by lead-out wire, and the other end is connected on the four-limbed 4 of data/address bus plug 27 by the 4th pin J4 of data-signal disposable plates 20; One end of 5 constant virtues K switch 15 is connected with the ICERTCK pin of J-LINK interface by lead-out wire, and the other end is connected on the 5th pin 5 of data/address bus plug 27 by the 5th pin J5 of data-signal disposable plates 20; One end of the 6th normal open switch K16 is connected with the TDO pin of J-LINK interface by lead-out wire, and the other end is connected on the 6th pin 6 of data/address bus plug 27 by the 6th pin J6 of data-signal disposable plates 20.
Further, described the second normal open switch group K2 is provided with the 7th normal open switch K21, the 8th normal open switch K22, the 9th normal open switch K23 and the tenth normal open switch K24, and described data-signal disposable plates is also provided with the 9th pin E9, the tenth pin E10, the 11 pin E11 and the 12 pin E12; Described data/address bus plug is provided with the 9th pin 9, the tenth pin the 10, the 11 pin 11 and the 12 pin 12.
One end of the 7th normal open switch K21 is connected with the LXT_TDP pin of Ethernet interface by lead-out wire, and the other end is connected on the 9th pin 9 of data/address bus plug 27 by the 9th pin E9 of data-signal disposable plates 20; One end of the 8th normal open switch K22 is connected with the LXT_TDM pin of Ethernet interface by lead-out wire, and the other end is connected on the tenth pin 10 of data/address bus plug 27 by the tenth pin E10 of data-signal disposable plates 20; One end of the 9th normal open switch K23 is connected with the LXT_RDP pin of Ethernet interface by lead-out wire, and the other end is connected on the 11 pin 11 of data/address bus plug 27 by the 11 pin E11 of data-signal disposable plates 20; One end of the tenth normal open switch K24 is connected with the LXT_RDM pin of Ethernet interface by lead-out wire, and the other end is connected on the 12 pin 12 of data/address bus plug 27 by the 12 pin E12 of data-signal disposable plates 20.
Further, described the 3rd normal open switch group K3 is provided with the 11 normal open switch K31 and the 12 normal open switch K32, and described data-signal disposable plates 20 is provided with the 13 pin U13 and the 14 pin U14; Described data/address bus plug 27 is provided with the 13 pin 13 and the tenth four-limbed 14.
One end of the 11 normal open switch K31 is connected with the USB_DM pin of USB interface by lead-out wire, and the other end is connected on the 13 pin 13 of data/address bus plug 27 by the 13 pin U13 of data-signal disposable plates 20; One end of the 12 normal open switch K32 is connected with the USB_DP pin of USB interface by lead-out wire, and the other end is connected on the tenth four-limbed 14 of data/address bus plug 27 by the 14 pin U14 of data-signal disposable plates 20.
In the above scheme, preferably, the mode that one end of each normal open switch is connected with the pin of each interface by lead-out wire is: other pins are set in data-signal disposable plates 20, and this pin is connected with described one end of normal open switch, and then be connected on each data/address bus plug by lead-out wire.
In the above embodiment, described data/address bus plug 27 has the first pin 1, the second pin 2, the 3rd pin 3, four-limbed 4, the 5th pin 5, the 6th pin 6, the 9th pin 9, the tenth pin 10, the 11 pin 11, the 12 pin 12, the 13 pin 13 and the tenth four-limbed 14, described data/address bus plug 27 can be plugged on the interface of described core board by these pins, be that data/address bus corresponding with each interface on core board can print off to unify to form an interface, and corresponding one by one with the interface data bus on data/address bus plug 27, when described data/address bus plug 27 is plugged on the interface of core board, corresponding a plurality of interfaces are communicated with core board by data-signal disposable plates 20 and data/address bus plug 27.
Further, in order to protect the job security of interface switching device of the present invention, on described data/address bus plug 27, be also provided with grounding pin and be connected with ground.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. an interface switching device, is characterized in that: described interface switching device comprises data-signal disposable plates, data/address bus plug, J-LINK interface, Ethernet interface and USB interface;
Described data-signal disposable plates is provided with the first normal open switch group K1, the second normal open switch group K2 and the 3rd normal open switch group K3;
Described J-LINK interface is connected with described data/address bus plug by the first normal open switch group K1, described Ethernet interface is connected with described data/address bus plug by the second normal open switch group K2, and described USB interface is connected with described bus plug by the 3rd normal open switch group K3;
Described data/address bus plug is for collecting the interface of the data/address bus of J-LINK interface, Ethernet interface and USB interface the core board that connects one to one, when J-LINK interface, Ethernet interface and/or USB interface are connected with external device, the normal open switch group of controlling is corresponding thereto closed.
2. interface switching device according to claim 1, it is characterized in that: in described data-signal disposable plates, be also provided with sensing controler, the first on-off controller, second switch controller, the 3rd on-off controller and power Vcc, described the first on-off controller, second switch controller and the 3rd on-off controller are connected with described sensing controler respectively, and described power Vcc is connected with sensing controler, the first on-off controller, second switch controller and the 3rd on-off controller respectively.
When described sensing controler detects J-LINK interface access external device, transmit control signal to the first on-off controller, by the first on-off controller, control the first normal open switch group K1 closed;
When described sensing controler detects Ethernet interface access external device, transmit control signal to second switch controller, by second switch controller, control the second normal open switch group K2 closed;
When described sensing controler detects USB interface access external device, transmit control signal to the 3rd on-off controller, by the 3rd on-off controller, control the 3rd normal open switch group K3 closed.
3. interface switching device according to claim 2, it is characterized in that: described the first normal open switch group K1 is provided with the first normal open switch K11, the second normal open switch K12, the 3rd normal open switch K13, the 4th normal open switch K14,5 constant virtues K switch 15 and the 6th normal open switch K16, and described data-signal disposable plates is provided with the first pin J1, the second pin J2, the 3rd pin J3, the 4th pin J4, the 5th pin J5 and the 6th pin J6; Described data/address bus plug is provided with the first pin, the second pin, the 3rd pin, four-limbed, the 5th pin and the 6th pin;
One end of the first normal open switch K11 is connected with the ICE/TRST pin of J-LINK interface by lead-out wire, and the other end is connected on the first pin of data/address bus plug by the first pin J1 of data-signal disposable plates;
One end of the second normal open switch K12 is connected with the TDI pin of J-LINK interface by lead-out wire, and the other end is connected on the second pin of data/address bus plug by the second pin J2 of data-signal disposable plates;
One end of the 3rd normal open switch K13 is connected with the TMS pin of J-LINK interface by lead-out wire, and the other end is connected on the 3rd pin of data/address bus plug by the 3rd pin J3 of data-signal disposable plates;
One end of the 4th normal open switch K14 is connected with the TCK pin of J-LINK interface by lead-out wire, and the other end is connected on the four-limbed of data/address bus plug by the 4th pin J4 of data-signal disposable plates;
One end of 5 constant virtues K switch 15 is connected with the ICE RTCK pin of J-LINK interface by lead-out wire, and the other end is connected on the 5th pin of data/address bus plug by the 5th pin J5 of data-signal disposable plates;
One end of the 6th normal open switch K16 is connected with the TDO pin of J-LINK interface by lead-out wire, and the other end is connected on the 6th pin of data/address bus plug by the 6th pin J6 of data-signal disposable plates.
4. interface switching device according to claim 2, it is characterized in that: described the second normal open switch group K2 is provided with the 7th normal open switch K21, the 8th normal open switch K22, the 9th normal open switch K23 and the tenth normal open switch K24, and described data-signal disposable plates is also provided with the 9th pin E9, the tenth pin E10, the 11 pin E11 and the 12 pin E12; Described data/address bus plug is provided with the 9th pin, the tenth pin, the 11 pin and the 12 pin;
One end of the 7th normal open switch K21 is connected with the LXT_TDP pin of Ethernet interface by lead-out wire, and the other end is connected on the 9th pin of data/address bus plug by the 9th pin E9 of data-signal disposable plates;
One end of the 8th normal open switch K22 is connected with the LXT_TDM pin of Ethernet interface by lead-out wire, and the other end is connected on the tenth pin of data/address bus plug by the tenth pin E10 of data-signal disposable plates;
One end of the 9th normal open switch K23 is connected with the LXT_RDP pin of Ethernet interface by lead-out wire, and the other end is connected on the 11 pin of data/address bus plug by the 11 pin E11 of data-signal disposable plates;
One end of the tenth normal open switch K24 is connected with the LXT_RDM pin of Ethernet interface by lead-out wire, and the other end is connected on the 12 pin of data/address bus plug by the 12 pin E12 of data-signal disposable plates.
5. interface switching device according to claim 2, is characterized in that: described the 3rd normal open switch group K3 is provided with the 11 normal open switch K31 and the 12 normal open switch K32, and described data-signal disposable plates is provided with the 13 pin U13 and the 14 pin U14; Described data/address bus plug is provided with the 13 pin and the tenth four-limbed;
One end of the 11 normal open switch K31 is connected with the USB_DM pin of USB interface by lead-out wire, and the other end is connected on the 13 pin of data/address bus plug by the 13 pin U13 of data-signal disposable plates;
One end of the 12 normal open switch K32 is connected with the USB_DP pin of USB interface by lead-out wire, and the other end is connected on the tenth four-limbed of data/address bus plug by the 14 pin U14 of data-signal disposable plates.
6. according to the interface switching device described in claim 2-5 any one, it is characterized in that: described data/address bus plug is plugged on the interface of described core board, the pin on data/address bus plug is corresponding one by one with the interface data bus on core board.
7. interface switching device according to claim 2, is characterized in that: described the first on-off controller, second switch controller and the 3rd on-off controller are respectively solenoid.
8. interface switching device according to claim 1, is characterized in that: on described data/address bus plug, be also provided with grounding pin and be connected with ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410202004.8A CN103997449A (en) | 2014-05-14 | 2014-05-14 | Interface conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410202004.8A CN103997449A (en) | 2014-05-14 | 2014-05-14 | Interface conversion device |
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| CN103997449A true CN103997449A (en) | 2014-08-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050045726A1 (en) * | 2003-08-28 | 2005-03-03 | Terlizzi Jeffrey J. | Multi-interface data acquisition system and method thereof |
| CN2904085Y (en) * | 2006-03-02 | 2007-05-23 | 海信集团有限公司 | Multifunctional adapter for cell phone |
| CN101017451A (en) * | 2006-12-05 | 2007-08-15 | 深圳创维－Rgb电子有限公司 | Method and system for controlling insertion and extraction of USB on television |
| US20070300006A1 (en) * | 2006-06-23 | 2007-12-27 | Genesys Logic, Inc. | Multi-interface conversion device |
-
2014
- 2014-05-14 CN CN201410202004.8A patent/CN103997449A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050045726A1 (en) * | 2003-08-28 | 2005-03-03 | Terlizzi Jeffrey J. | Multi-interface data acquisition system and method thereof |
| CN2904085Y (en) * | 2006-03-02 | 2007-05-23 | 海信集团有限公司 | Multifunctional adapter for cell phone |
| US20070300006A1 (en) * | 2006-06-23 | 2007-12-27 | Genesys Logic, Inc. | Multi-interface conversion device |
| CN101017451A (en) * | 2006-12-05 | 2007-08-15 | 深圳创维－Rgb电子有限公司 | Method and system for controlling insertion and extraction of USB on television |
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Application publication date: 20140820 |